| /* |
| * Builtin "git log" and related commands (show, whatchanged) |
| * |
| * (C) Copyright 2006 Linus Torvalds |
| * 2006 Junio Hamano |
| */ |
| #define USE_THE_INDEX_COMPATIBILITY_MACROS |
| #include "cache.h" |
| #include "config.h" |
| #include "refs.h" |
| #include "object-store.h" |
| #include "color.h" |
| #include "commit.h" |
| #include "diff.h" |
| #include "diff-merges.h" |
| #include "revision.h" |
| #include "log-tree.h" |
| #include "builtin.h" |
| #include "tag.h" |
| #include "reflog-walk.h" |
| #include "patch-ids.h" |
| #include "run-command.h" |
| #include "shortlog.h" |
| #include "remote.h" |
| #include "string-list.h" |
| #include "parse-options.h" |
| #include "line-log.h" |
| #include "branch.h" |
| #include "streaming.h" |
| #include "version.h" |
| #include "mailmap.h" |
| #include "gpg-interface.h" |
| #include "progress.h" |
| #include "commit-slab.h" |
| #include "repository.h" |
| #include "commit-reach.h" |
| #include "range-diff.h" |
| |
| #define MAIL_DEFAULT_WRAP 72 |
| #define COVER_FROM_AUTO_MAX_SUBJECT_LEN 100 |
| #define FORMAT_PATCH_NAME_MAX_DEFAULT 64 |
| |
| /* Set a default date-time format for git log ("log.date" config variable) */ |
| static const char *default_date_mode = NULL; |
| |
| static int default_abbrev_commit; |
| static int default_show_root = 1; |
| static int default_follow; |
| static int default_show_signature; |
| static int default_encode_email_headers = 1; |
| static int decoration_style; |
| static int decoration_given; |
| static int use_mailmap_config = 1; |
| static const char *fmt_patch_subject_prefix = "PATCH"; |
| static int fmt_patch_name_max = FORMAT_PATCH_NAME_MAX_DEFAULT; |
| static const char *fmt_pretty; |
| |
| static const char * const builtin_log_usage[] = { |
| N_("git log [<options>] [<revision-range>] [[--] <path>...]"), |
| N_("git show [<options>] <object>..."), |
| NULL |
| }; |
| |
| struct line_opt_callback_data { |
| struct rev_info *rev; |
| const char *prefix; |
| struct string_list args; |
| }; |
| |
| static int session_is_interactive(void) |
| { |
| return isatty(1) || pager_in_use(); |
| } |
| |
| static int auto_decoration_style(void) |
| { |
| return session_is_interactive() ? DECORATE_SHORT_REFS : 0; |
| } |
| |
| static int parse_decoration_style(const char *value) |
| { |
| switch (git_parse_maybe_bool(value)) { |
| case 1: |
| return DECORATE_SHORT_REFS; |
| case 0: |
| return 0; |
| default: |
| break; |
| } |
| if (!strcmp(value, "full")) |
| return DECORATE_FULL_REFS; |
| else if (!strcmp(value, "short")) |
| return DECORATE_SHORT_REFS; |
| else if (!strcmp(value, "auto")) |
| return auto_decoration_style(); |
| /* |
| * Please update _git_log() in git-completion.bash when you |
| * add new decoration styles. |
| */ |
| return -1; |
| } |
| |
| static int decorate_callback(const struct option *opt, const char *arg, int unset) |
| { |
| if (unset) |
| decoration_style = 0; |
| else if (arg) |
| decoration_style = parse_decoration_style(arg); |
| else |
| decoration_style = DECORATE_SHORT_REFS; |
| |
| if (decoration_style < 0) |
| die(_("invalid --decorate option: %s"), arg); |
| |
| decoration_given = 1; |
| |
| return 0; |
| } |
| |
| static int log_line_range_callback(const struct option *option, const char *arg, int unset) |
| { |
| struct line_opt_callback_data *data = option->value; |
| |
| BUG_ON_OPT_NEG(unset); |
| |
| if (!arg) |
| return -1; |
| |
| data->rev->line_level_traverse = 1; |
| string_list_append(&data->args, arg); |
| |
| return 0; |
| } |
| |
| static void init_log_defaults(void) |
| { |
| init_diff_ui_defaults(); |
| |
| decoration_style = auto_decoration_style(); |
| } |
| |
| static void cmd_log_init_defaults(struct rev_info *rev) |
| { |
| if (fmt_pretty) |
| get_commit_format(fmt_pretty, rev); |
| if (default_follow) |
| rev->diffopt.flags.default_follow_renames = 1; |
| rev->verbose_header = 1; |
| rev->diffopt.flags.recursive = 1; |
| rev->diffopt.stat_width = -1; /* use full terminal width */ |
| rev->diffopt.stat_graph_width = -1; /* respect statGraphWidth config */ |
| rev->abbrev_commit = default_abbrev_commit; |
| rev->show_root_diff = default_show_root; |
| rev->subject_prefix = fmt_patch_subject_prefix; |
| rev->patch_name_max = fmt_patch_name_max; |
| rev->show_signature = default_show_signature; |
| rev->encode_email_headers = default_encode_email_headers; |
| rev->diffopt.flags.allow_textconv = 1; |
| |
| if (default_date_mode) |
| parse_date_format(default_date_mode, &rev->date_mode); |
| } |
| |
| static void cmd_log_init_finish(int argc, const char **argv, const char *prefix, |
| struct rev_info *rev, struct setup_revision_opt *opt) |
| { |
| struct userformat_want w; |
| int quiet = 0, source = 0, mailmap; |
| static struct line_opt_callback_data line_cb = {NULL, NULL, STRING_LIST_INIT_DUP}; |
| static struct string_list decorate_refs_exclude = STRING_LIST_INIT_NODUP; |
| static struct string_list decorate_refs_exclude_config = STRING_LIST_INIT_NODUP; |
| static struct string_list decorate_refs_include = STRING_LIST_INIT_NODUP; |
| struct decoration_filter decoration_filter = {&decorate_refs_include, |
| &decorate_refs_exclude, |
| &decorate_refs_exclude_config}; |
| static struct revision_sources revision_sources; |
| |
| const struct option builtin_log_options[] = { |
| OPT__QUIET(&quiet, N_("suppress diff output")), |
| OPT_BOOL(0, "source", &source, N_("show source")), |
| OPT_BOOL(0, "use-mailmap", &mailmap, N_("use mail map file")), |
| OPT_ALIAS(0, "mailmap", "use-mailmap"), |
| OPT_STRING_LIST(0, "decorate-refs", &decorate_refs_include, |
| N_("pattern"), N_("only decorate refs that match <pattern>")), |
| OPT_STRING_LIST(0, "decorate-refs-exclude", &decorate_refs_exclude, |
| N_("pattern"), N_("do not decorate refs that match <pattern>")), |
| OPT_CALLBACK_F(0, "decorate", NULL, NULL, N_("decorate options"), |
| PARSE_OPT_OPTARG, decorate_callback), |
| OPT_CALLBACK('L', NULL, &line_cb, "range:file", |
| N_("trace the evolution of line range <start>,<end> or function :<funcname> in <file>"), |
| log_line_range_callback), |
| OPT_END() |
| }; |
| |
| line_cb.rev = rev; |
| line_cb.prefix = prefix; |
| |
| mailmap = use_mailmap_config; |
| argc = parse_options(argc, argv, prefix, |
| builtin_log_options, builtin_log_usage, |
| PARSE_OPT_KEEP_ARGV0 | PARSE_OPT_KEEP_UNKNOWN | |
| PARSE_OPT_KEEP_DASHDASH); |
| |
| if (quiet) |
| rev->diffopt.output_format |= DIFF_FORMAT_NO_OUTPUT; |
| argc = setup_revisions(argc, argv, rev, opt); |
| |
| /* Any arguments at this point are not recognized */ |
| if (argc > 1) |
| die(_("unrecognized argument: %s"), argv[1]); |
| |
| if (rev->line_level_traverse && rev->prune_data.nr) |
| die(_("-L<range>:<file> cannot be used with pathspec")); |
| |
| memset(&w, 0, sizeof(w)); |
| userformat_find_requirements(NULL, &w); |
| |
| if (!rev->show_notes_given && (!rev->pretty_given || w.notes)) |
| rev->show_notes = 1; |
| if (rev->show_notes) |
| load_display_notes(&rev->notes_opt); |
| |
| if ((rev->diffopt.pickaxe_opts & DIFF_PICKAXE_KINDS_MASK) || |
| rev->diffopt.filter || rev->diffopt.flags.follow_renames) |
| rev->always_show_header = 0; |
| |
| if (source || w.source) { |
| init_revision_sources(&revision_sources); |
| rev->sources = &revision_sources; |
| } |
| |
| if (mailmap) { |
| rev->mailmap = xcalloc(1, sizeof(struct string_list)); |
| read_mailmap(rev->mailmap); |
| } |
| |
| if (rev->pretty_given && rev->commit_format == CMIT_FMT_RAW) { |
| /* |
| * "log --pretty=raw" is special; ignore UI oriented |
| * configuration variables such as decoration. |
| */ |
| if (!decoration_given) |
| decoration_style = 0; |
| if (!rev->abbrev_commit_given) |
| rev->abbrev_commit = 0; |
| } |
| |
| if (decoration_style) { |
| const struct string_list *config_exclude = |
| repo_config_get_value_multi(the_repository, |
| "log.excludeDecoration"); |
| |
| if (config_exclude) { |
| struct string_list_item *item; |
| for_each_string_list_item(item, config_exclude) |
| string_list_append(&decorate_refs_exclude_config, |
| item->string); |
| } |
| |
| rev->show_decorations = 1; |
| |
| load_ref_decorations(&decoration_filter, decoration_style); |
| } |
| |
| if (rev->line_level_traverse) |
| line_log_init(rev, line_cb.prefix, &line_cb.args); |
| |
| setup_pager(); |
| } |
| |
| static void cmd_log_init(int argc, const char **argv, const char *prefix, |
| struct rev_info *rev, struct setup_revision_opt *opt) |
| { |
| cmd_log_init_defaults(rev); |
| cmd_log_init_finish(argc, argv, prefix, rev, opt); |
| } |
| |
| /* |
| * This gives a rough estimate for how many commits we |
| * will print out in the list. |
| */ |
| static int estimate_commit_count(struct commit_list *list) |
| { |
| int n = 0; |
| |
| while (list) { |
| struct commit *commit = list->item; |
| unsigned int flags = commit->object.flags; |
| list = list->next; |
| if (!(flags & (TREESAME | UNINTERESTING))) |
| n++; |
| } |
| return n; |
| } |
| |
| static void show_early_header(struct rev_info *rev, const char *stage, int nr) |
| { |
| if (rev->shown_one) { |
| rev->shown_one = 0; |
| if (rev->commit_format != CMIT_FMT_ONELINE) |
| putchar(rev->diffopt.line_termination); |
| } |
| fprintf(rev->diffopt.file, _("Final output: %d %s\n"), nr, stage); |
| } |
| |
| static struct itimerval early_output_timer; |
| |
| static void log_show_early(struct rev_info *revs, struct commit_list *list) |
| { |
| int i = revs->early_output; |
| int show_header = 1; |
| int no_free = revs->diffopt.no_free; |
| |
| revs->diffopt.no_free = 0; |
| sort_in_topological_order(&list, revs->sort_order); |
| while (list && i) { |
| struct commit *commit = list->item; |
| switch (simplify_commit(revs, commit)) { |
| case commit_show: |
| if (show_header) { |
| int n = estimate_commit_count(list); |
| show_early_header(revs, "incomplete", n); |
| show_header = 0; |
| } |
| log_tree_commit(revs, commit); |
| i--; |
| break; |
| case commit_ignore: |
| break; |
| case commit_error: |
| revs->diffopt.no_free = no_free; |
| diff_free(&revs->diffopt); |
| return; |
| } |
| list = list->next; |
| } |
| |
| /* Did we already get enough commits for the early output? */ |
| if (!i) { |
| revs->diffopt.no_free = 0; |
| diff_free(&revs->diffopt); |
| return; |
| } |
| |
| /* |
| * ..if no, then repeat it twice a second until we |
| * do. |
| * |
| * NOTE! We don't use "it_interval", because if the |
| * reader isn't listening, we want our output to be |
| * throttled by the writing, and not have the timer |
| * trigger every second even if we're blocked on a |
| * reader! |
| */ |
| early_output_timer.it_value.tv_sec = 0; |
| early_output_timer.it_value.tv_usec = 500000; |
| setitimer(ITIMER_REAL, &early_output_timer, NULL); |
| } |
| |
| static void early_output(int signal) |
| { |
| show_early_output = log_show_early; |
| } |
| |
| static void setup_early_output(void) |
| { |
| struct sigaction sa; |
| |
| /* |
| * Set up the signal handler, minimally intrusively: |
| * we only set a single volatile integer word (not |
| * using sigatomic_t - trying to avoid unnecessary |
| * system dependencies and headers), and using |
| * SA_RESTART. |
| */ |
| memset(&sa, 0, sizeof(sa)); |
| sa.sa_handler = early_output; |
| sigemptyset(&sa.sa_mask); |
| sa.sa_flags = SA_RESTART; |
| sigaction(SIGALRM, &sa, NULL); |
| |
| /* |
| * If we can get the whole output in less than a |
| * tenth of a second, don't even bother doing the |
| * early-output thing.. |
| * |
| * This is a one-time-only trigger. |
| */ |
| early_output_timer.it_value.tv_sec = 0; |
| early_output_timer.it_value.tv_usec = 100000; |
| setitimer(ITIMER_REAL, &early_output_timer, NULL); |
| } |
| |
| static void finish_early_output(struct rev_info *rev) |
| { |
| int n = estimate_commit_count(rev->commits); |
| signal(SIGALRM, SIG_IGN); |
| show_early_header(rev, "done", n); |
| } |
| |
| static int cmd_log_walk(struct rev_info *rev) |
| { |
| struct commit *commit; |
| int saved_nrl = 0; |
| int saved_dcctc = 0; |
| |
| if (rev->early_output) |
| setup_early_output(); |
| |
| if (prepare_revision_walk(rev)) |
| die(_("revision walk setup failed")); |
| |
| if (rev->early_output) |
| finish_early_output(rev); |
| |
| /* |
| * For --check and --exit-code, the exit code is based on CHECK_FAILED |
| * and HAS_CHANGES being accumulated in rev->diffopt, so be careful to |
| * retain that state information if replacing rev->diffopt in this loop |
| */ |
| rev->diffopt.no_free = 1; |
| while ((commit = get_revision(rev)) != NULL) { |
| if (!log_tree_commit(rev, commit) && rev->max_count >= 0) |
| /* |
| * We decremented max_count in get_revision, |
| * but we didn't actually show the commit. |
| */ |
| rev->max_count++; |
| if (!rev->reflog_info) { |
| /* |
| * We may show a given commit multiple times when |
| * walking the reflogs. |
| */ |
| free_commit_buffer(the_repository->parsed_objects, |
| commit); |
| free_commit_list(commit->parents); |
| commit->parents = NULL; |
| } |
| if (saved_nrl < rev->diffopt.needed_rename_limit) |
| saved_nrl = rev->diffopt.needed_rename_limit; |
| if (rev->diffopt.degraded_cc_to_c) |
| saved_dcctc = 1; |
| } |
| rev->diffopt.degraded_cc_to_c = saved_dcctc; |
| rev->diffopt.needed_rename_limit = saved_nrl; |
| rev->diffopt.no_free = 0; |
| diff_free(&rev->diffopt); |
| |
| if (rev->diffopt.output_format & DIFF_FORMAT_CHECKDIFF && |
| rev->diffopt.flags.check_failed) { |
| return 02; |
| } |
| return diff_result_code(&rev->diffopt, 0); |
| } |
| |
| static int git_log_config(const char *var, const char *value, void *cb) |
| { |
| const char *slot_name; |
| |
| if (!strcmp(var, "format.pretty")) |
| return git_config_string(&fmt_pretty, var, value); |
| if (!strcmp(var, "format.subjectprefix")) |
| return git_config_string(&fmt_patch_subject_prefix, var, value); |
| if (!strcmp(var, "format.filenamemaxlength")) { |
| fmt_patch_name_max = git_config_int(var, value); |
| return 0; |
| } |
| if (!strcmp(var, "format.encodeemailheaders")) { |
| default_encode_email_headers = git_config_bool(var, value); |
| return 0; |
| } |
| if (!strcmp(var, "log.abbrevcommit")) { |
| default_abbrev_commit = git_config_bool(var, value); |
| return 0; |
| } |
| if (!strcmp(var, "log.date")) |
| return git_config_string(&default_date_mode, var, value); |
| if (!strcmp(var, "log.decorate")) { |
| decoration_style = parse_decoration_style(value); |
| if (decoration_style < 0) |
| decoration_style = 0; /* maybe warn? */ |
| return 0; |
| } |
| if (!strcmp(var, "log.diffmerges")) |
| return diff_merges_config(value); |
| if (!strcmp(var, "log.showroot")) { |
| default_show_root = git_config_bool(var, value); |
| return 0; |
| } |
| if (!strcmp(var, "log.follow")) { |
| default_follow = git_config_bool(var, value); |
| return 0; |
| } |
| if (skip_prefix(var, "color.decorate.", &slot_name)) |
| return parse_decorate_color_config(var, slot_name, value); |
| if (!strcmp(var, "log.mailmap")) { |
| use_mailmap_config = git_config_bool(var, value); |
| return 0; |
| } |
| if (!strcmp(var, "log.showsignature")) { |
| default_show_signature = git_config_bool(var, value); |
| return 0; |
| } |
| |
| if (grep_config(var, value, cb) < 0) |
| return -1; |
| if (git_gpg_config(var, value, cb) < 0) |
| return -1; |
| return git_diff_ui_config(var, value, cb); |
| } |
| |
| int cmd_whatchanged(int argc, const char **argv, const char *prefix) |
| { |
| struct rev_info rev; |
| struct setup_revision_opt opt; |
| |
| init_log_defaults(); |
| git_config(git_log_config, NULL); |
| |
| repo_init_revisions(the_repository, &rev, prefix); |
| rev.diff = 1; |
| rev.simplify_history = 0; |
| memset(&opt, 0, sizeof(opt)); |
| opt.def = "HEAD"; |
| opt.revarg_opt = REVARG_COMMITTISH; |
| cmd_log_init(argc, argv, prefix, &rev, &opt); |
| if (!rev.diffopt.output_format) |
| rev.diffopt.output_format = DIFF_FORMAT_RAW; |
| return cmd_log_walk(&rev); |
| } |
| |
| static void show_tagger(const char *buf, struct rev_info *rev) |
| { |
| struct strbuf out = STRBUF_INIT; |
| struct pretty_print_context pp = {0}; |
| |
| pp.fmt = rev->commit_format; |
| pp.date_mode = rev->date_mode; |
| pp_user_info(&pp, "Tagger", &out, buf, get_log_output_encoding()); |
| fprintf(rev->diffopt.file, "%s", out.buf); |
| strbuf_release(&out); |
| } |
| |
| static int show_blob_object(const struct object_id *oid, struct rev_info *rev, const char *obj_name) |
| { |
| struct object_id oidc; |
| struct object_context obj_context; |
| char *buf; |
| unsigned long size; |
| |
| fflush(rev->diffopt.file); |
| if (!rev->diffopt.flags.textconv_set_via_cmdline || |
| !rev->diffopt.flags.allow_textconv) |
| return stream_blob_to_fd(1, oid, NULL, 0); |
| |
| if (get_oid_with_context(the_repository, obj_name, |
| GET_OID_RECORD_PATH, |
| &oidc, &obj_context)) |
| die(_("not a valid object name %s"), obj_name); |
| if (!obj_context.path || |
| !textconv_object(the_repository, obj_context.path, |
| obj_context.mode, &oidc, 1, &buf, &size)) { |
| free(obj_context.path); |
| return stream_blob_to_fd(1, oid, NULL, 0); |
| } |
| |
| if (!buf) |
| die(_("git show %s: bad file"), obj_name); |
| |
| write_or_die(1, buf, size); |
| free(obj_context.path); |
| return 0; |
| } |
| |
| static int show_tag_object(const struct object_id *oid, struct rev_info *rev) |
| { |
| unsigned long size; |
| enum object_type type; |
| char *buf = read_object_file(oid, &type, &size); |
| int offset = 0; |
| |
| if (!buf) |
| return error(_("could not read object %s"), oid_to_hex(oid)); |
| |
| assert(type == OBJ_TAG); |
| while (offset < size && buf[offset] != '\n') { |
| int new_offset = offset + 1; |
| const char *ident; |
| while (new_offset < size && buf[new_offset++] != '\n') |
| ; /* do nothing */ |
| if (skip_prefix(buf + offset, "tagger ", &ident)) |
| show_tagger(ident, rev); |
| offset = new_offset; |
| } |
| |
| if (offset < size) |
| fwrite(buf + offset, size - offset, 1, rev->diffopt.file); |
| free(buf); |
| return 0; |
| } |
| |
| static int show_tree_object(const struct object_id *oid, |
| struct strbuf *base, |
| const char *pathname, unsigned mode, void *context) |
| { |
| FILE *file = context; |
| fprintf(file, "%s%s\n", pathname, S_ISDIR(mode) ? "/" : ""); |
| return 0; |
| } |
| |
| static void show_setup_revisions_tweak(struct rev_info *rev, |
| struct setup_revision_opt *opt) |
| { |
| if (rev->first_parent_only) |
| diff_merges_default_to_first_parent(rev); |
| else |
| diff_merges_default_to_dense_combined(rev); |
| if (!rev->diffopt.output_format) |
| rev->diffopt.output_format = DIFF_FORMAT_PATCH; |
| } |
| |
| int cmd_show(int argc, const char **argv, const char *prefix) |
| { |
| struct rev_info rev; |
| struct object_array_entry *objects; |
| struct setup_revision_opt opt; |
| struct pathspec match_all; |
| int i, count, ret = 0; |
| |
| init_log_defaults(); |
| git_config(git_log_config, NULL); |
| |
| memset(&match_all, 0, sizeof(match_all)); |
| repo_init_revisions(the_repository, &rev, prefix); |
| rev.diff = 1; |
| rev.always_show_header = 1; |
| rev.no_walk = REVISION_WALK_NO_WALK_SORTED; |
| rev.diffopt.stat_width = -1; /* Scale to real terminal size */ |
| |
| memset(&opt, 0, sizeof(opt)); |
| opt.def = "HEAD"; |
| opt.tweak = show_setup_revisions_tweak; |
| cmd_log_init(argc, argv, prefix, &rev, &opt); |
| |
| if (!rev.no_walk) |
| return cmd_log_walk(&rev); |
| |
| count = rev.pending.nr; |
| objects = rev.pending.objects; |
| for (i = 0; i < count && !ret; i++) { |
| struct object *o = objects[i].item; |
| const char *name = objects[i].name; |
| switch (o->type) { |
| case OBJ_BLOB: |
| ret = show_blob_object(&o->oid, &rev, name); |
| break; |
| case OBJ_TAG: { |
| struct tag *t = (struct tag *)o; |
| struct object_id *oid = get_tagged_oid(t); |
| |
| if (rev.shown_one) |
| putchar('\n'); |
| fprintf(rev.diffopt.file, "%stag %s%s\n", |
| diff_get_color_opt(&rev.diffopt, DIFF_COMMIT), |
| t->tag, |
| diff_get_color_opt(&rev.diffopt, DIFF_RESET)); |
| ret = show_tag_object(&o->oid, &rev); |
| rev.shown_one = 1; |
| if (ret) |
| break; |
| o = parse_object(the_repository, oid); |
| if (!o) |
| ret = error(_("could not read object %s"), |
| oid_to_hex(oid)); |
| objects[i].item = o; |
| i--; |
| break; |
| } |
| case OBJ_TREE: |
| if (rev.shown_one) |
| putchar('\n'); |
| fprintf(rev.diffopt.file, "%stree %s%s\n\n", |
| diff_get_color_opt(&rev.diffopt, DIFF_COMMIT), |
| name, |
| diff_get_color_opt(&rev.diffopt, DIFF_RESET)); |
| read_tree(the_repository, (struct tree *)o, |
| &match_all, show_tree_object, |
| rev.diffopt.file); |
| rev.shown_one = 1; |
| break; |
| case OBJ_COMMIT: |
| rev.pending.nr = rev.pending.alloc = 0; |
| rev.pending.objects = NULL; |
| add_object_array(o, name, &rev.pending); |
| ret = cmd_log_walk(&rev); |
| break; |
| default: |
| ret = error(_("unknown type: %d"), o->type); |
| } |
| } |
| free(objects); |
| return ret; |
| } |
| |
| /* |
| * This is equivalent to "git log -g --abbrev-commit --pretty=oneline" |
| */ |
| int cmd_log_reflog(int argc, const char **argv, const char *prefix) |
| { |
| struct rev_info rev; |
| struct setup_revision_opt opt; |
| |
| init_log_defaults(); |
| git_config(git_log_config, NULL); |
| |
| repo_init_revisions(the_repository, &rev, prefix); |
| init_reflog_walk(&rev.reflog_info); |
| rev.verbose_header = 1; |
| memset(&opt, 0, sizeof(opt)); |
| opt.def = "HEAD"; |
| cmd_log_init_defaults(&rev); |
| rev.abbrev_commit = 1; |
| rev.commit_format = CMIT_FMT_ONELINE; |
| rev.use_terminator = 1; |
| rev.always_show_header = 1; |
| cmd_log_init_finish(argc, argv, prefix, &rev, &opt); |
| |
| return cmd_log_walk(&rev); |
| } |
| |
| static void log_setup_revisions_tweak(struct rev_info *rev, |
| struct setup_revision_opt *opt) |
| { |
| if (rev->diffopt.flags.default_follow_renames && |
| rev->prune_data.nr == 1) |
| rev->diffopt.flags.follow_renames = 1; |
| |
| if (rev->first_parent_only) |
| diff_merges_default_to_first_parent(rev); |
| } |
| |
| int cmd_log(int argc, const char **argv, const char *prefix) |
| { |
| struct rev_info rev; |
| struct setup_revision_opt opt; |
| |
| init_log_defaults(); |
| git_config(git_log_config, NULL); |
| |
| repo_init_revisions(the_repository, &rev, prefix); |
| rev.always_show_header = 1; |
| memset(&opt, 0, sizeof(opt)); |
| opt.def = "HEAD"; |
| opt.revarg_opt = REVARG_COMMITTISH; |
| opt.tweak = log_setup_revisions_tweak; |
| cmd_log_init(argc, argv, prefix, &rev, &opt); |
| return cmd_log_walk(&rev); |
| } |
| |
| /* format-patch */ |
| |
| static const char *fmt_patch_suffix = ".patch"; |
| static int numbered = 0; |
| static int auto_number = 1; |
| |
| static char *default_attach = NULL; |
| |
| static struct string_list extra_hdr = STRING_LIST_INIT_NODUP; |
| static struct string_list extra_to = STRING_LIST_INIT_NODUP; |
| static struct string_list extra_cc = STRING_LIST_INIT_NODUP; |
| |
| static void add_header(const char *value) |
| { |
| struct string_list_item *item; |
| int len = strlen(value); |
| while (len && value[len - 1] == '\n') |
| len--; |
| |
| if (!strncasecmp(value, "to: ", 4)) { |
| item = string_list_append(&extra_to, value + 4); |
| len -= 4; |
| } else if (!strncasecmp(value, "cc: ", 4)) { |
| item = string_list_append(&extra_cc, value + 4); |
| len -= 4; |
| } else { |
| item = string_list_append(&extra_hdr, value); |
| } |
| |
| item->string[len] = '\0'; |
| } |
| |
| enum cover_setting { |
| COVER_UNSET, |
| COVER_OFF, |
| COVER_ON, |
| COVER_AUTO |
| }; |
| |
| enum thread_level { |
| THREAD_UNSET, |
| THREAD_SHALLOW, |
| THREAD_DEEP |
| }; |
| |
| enum cover_from_description { |
| COVER_FROM_NONE, |
| COVER_FROM_MESSAGE, |
| COVER_FROM_SUBJECT, |
| COVER_FROM_AUTO |
| }; |
| |
| enum auto_base_setting { |
| AUTO_BASE_NEVER, |
| AUTO_BASE_ALWAYS, |
| AUTO_BASE_WHEN_ABLE |
| }; |
| |
| static enum thread_level thread; |
| static int do_signoff; |
| static enum auto_base_setting auto_base; |
| static char *from; |
| static const char *signature = git_version_string; |
| static const char *signature_file; |
| static enum cover_setting config_cover_letter; |
| static const char *config_output_directory; |
| static enum cover_from_description cover_from_description_mode = COVER_FROM_MESSAGE; |
| static int show_notes; |
| static struct display_notes_opt notes_opt; |
| |
| static enum cover_from_description parse_cover_from_description(const char *arg) |
| { |
| if (!arg || !strcmp(arg, "default")) |
| return COVER_FROM_MESSAGE; |
| else if (!strcmp(arg, "none")) |
| return COVER_FROM_NONE; |
| else if (!strcmp(arg, "message")) |
| return COVER_FROM_MESSAGE; |
| else if (!strcmp(arg, "subject")) |
| return COVER_FROM_SUBJECT; |
| else if (!strcmp(arg, "auto")) |
| return COVER_FROM_AUTO; |
| else |
| die(_("%s: invalid cover from description mode"), arg); |
| } |
| |
| static int git_format_config(const char *var, const char *value, void *cb) |
| { |
| if (!strcmp(var, "format.headers")) { |
| if (!value) |
| die(_("format.headers without value")); |
| add_header(value); |
| return 0; |
| } |
| if (!strcmp(var, "format.suffix")) |
| return git_config_string(&fmt_patch_suffix, var, value); |
| if (!strcmp(var, "format.to")) { |
| if (!value) |
| return config_error_nonbool(var); |
| string_list_append(&extra_to, value); |
| return 0; |
| } |
| if (!strcmp(var, "format.cc")) { |
| if (!value) |
| return config_error_nonbool(var); |
| string_list_append(&extra_cc, value); |
| return 0; |
| } |
| if (!strcmp(var, "diff.color") || !strcmp(var, "color.diff") || |
| !strcmp(var, "color.ui") || !strcmp(var, "diff.submodule")) { |
| return 0; |
| } |
| if (!strcmp(var, "format.numbered")) { |
| if (value && !strcasecmp(value, "auto")) { |
| auto_number = 1; |
| return 0; |
| } |
| numbered = git_config_bool(var, value); |
| auto_number = auto_number && numbered; |
| return 0; |
| } |
| if (!strcmp(var, "format.attach")) { |
| if (value && *value) |
| default_attach = xstrdup(value); |
| else |
| default_attach = xstrdup(git_version_string); |
| return 0; |
| } |
| if (!strcmp(var, "format.thread")) { |
| if (value && !strcasecmp(value, "deep")) { |
| thread = THREAD_DEEP; |
| return 0; |
| } |
| if (value && !strcasecmp(value, "shallow")) { |
| thread = THREAD_SHALLOW; |
| return 0; |
| } |
| thread = git_config_bool(var, value) ? THREAD_SHALLOW : THREAD_UNSET; |
| return 0; |
| } |
| if (!strcmp(var, "format.signoff")) { |
| do_signoff = git_config_bool(var, value); |
| return 0; |
| } |
| if (!strcmp(var, "format.signature")) |
| return git_config_string(&signature, var, value); |
| if (!strcmp(var, "format.signaturefile")) |
| return git_config_pathname(&signature_file, var, value); |
| if (!strcmp(var, "format.coverletter")) { |
| if (value && !strcasecmp(value, "auto")) { |
| config_cover_letter = COVER_AUTO; |
| return 0; |
| } |
| config_cover_letter = git_config_bool(var, value) ? COVER_ON : COVER_OFF; |
| return 0; |
| } |
| if (!strcmp(var, "format.outputdirectory")) |
| return git_config_string(&config_output_directory, var, value); |
| if (!strcmp(var, "format.useautobase")) { |
| if (value && !strcasecmp(value, "whenAble")) { |
| auto_base = AUTO_BASE_WHEN_ABLE; |
| return 0; |
| } |
| auto_base = git_config_bool(var, value) ? AUTO_BASE_ALWAYS : AUTO_BASE_NEVER; |
| return 0; |
| } |
| if (!strcmp(var, "format.from")) { |
| int b = git_parse_maybe_bool(value); |
| free(from); |
| if (b < 0) |
| from = xstrdup(value); |
| else if (b) |
| from = xstrdup(git_committer_info(IDENT_NO_DATE)); |
| else |
| from = NULL; |
| return 0; |
| } |
| if (!strcmp(var, "format.notes")) { |
| int b = git_parse_maybe_bool(value); |
| if (b < 0) |
| enable_ref_display_notes(¬es_opt, &show_notes, value); |
| else if (b) |
| enable_default_display_notes(¬es_opt, &show_notes); |
| else |
| disable_display_notes(¬es_opt, &show_notes); |
| return 0; |
| } |
| if (!strcmp(var, "format.coverfromdescription")) { |
| cover_from_description_mode = parse_cover_from_description(value); |
| return 0; |
| } |
| |
| return git_log_config(var, value, cb); |
| } |
| |
| static const char *output_directory = NULL; |
| static int outdir_offset; |
| |
| static int open_next_file(struct commit *commit, const char *subject, |
| struct rev_info *rev, int quiet) |
| { |
| struct strbuf filename = STRBUF_INIT; |
| |
| if (output_directory) { |
| strbuf_addstr(&filename, output_directory); |
| strbuf_complete(&filename, '/'); |
| } |
| |
| if (rev->numbered_files) |
| strbuf_addf(&filename, "%d", rev->nr); |
| else if (commit) |
| fmt_output_commit(&filename, commit, rev); |
| else |
| fmt_output_subject(&filename, subject, rev); |
| |
| if (!quiet) |
| printf("%s\n", filename.buf + outdir_offset); |
| |
| if ((rev->diffopt.file = fopen(filename.buf, "w")) == NULL) { |
| error_errno(_("cannot open patch file %s"), filename.buf); |
| strbuf_release(&filename); |
| return -1; |
| } |
| |
| strbuf_release(&filename); |
| return 0; |
| } |
| |
| static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids) |
| { |
| struct rev_info check_rev; |
| struct commit *commit, *c1, *c2; |
| struct object *o1, *o2; |
| unsigned flags1, flags2; |
| |
| if (rev->pending.nr != 2) |
| die(_("need exactly one range")); |
| |
| o1 = rev->pending.objects[0].item; |
| o2 = rev->pending.objects[1].item; |
| flags1 = o1->flags; |
| flags2 = o2->flags; |
| c1 = lookup_commit_reference(the_repository, &o1->oid); |
| c2 = lookup_commit_reference(the_repository, &o2->oid); |
| |
| if ((flags1 & UNINTERESTING) == (flags2 & UNINTERESTING)) |
| die(_("not a range")); |
| |
| init_patch_ids(the_repository, ids); |
| |
| /* given a range a..b get all patch ids for b..a */ |
| repo_init_revisions(the_repository, &check_rev, rev->prefix); |
| check_rev.max_parents = 1; |
| o1->flags ^= UNINTERESTING; |
| o2->flags ^= UNINTERESTING; |
| add_pending_object(&check_rev, o1, "o1"); |
| add_pending_object(&check_rev, o2, "o2"); |
| if (prepare_revision_walk(&check_rev)) |
| die(_("revision walk setup failed")); |
| |
| while ((commit = get_revision(&check_rev)) != NULL) { |
| add_commit_patch_id(commit, ids); |
| } |
| |
| /* reset for next revision walk */ |
| clear_commit_marks(c1, SEEN | UNINTERESTING | SHOWN | ADDED); |
| clear_commit_marks(c2, SEEN | UNINTERESTING | SHOWN | ADDED); |
| o1->flags = flags1; |
| o2->flags = flags2; |
| } |
| |
| static void gen_message_id(struct rev_info *info, char *base) |
| { |
| struct strbuf buf = STRBUF_INIT; |
| strbuf_addf(&buf, "%s.%"PRItime".git.%s", base, |
| (timestamp_t) time(NULL), |
| git_committer_info(IDENT_NO_NAME|IDENT_NO_DATE|IDENT_STRICT)); |
| info->message_id = strbuf_detach(&buf, NULL); |
| } |
| |
| static void print_signature(FILE *file) |
| { |
| if (!signature || !*signature) |
| return; |
| |
| fprintf(file, "-- \n%s", signature); |
| if (signature[strlen(signature)-1] != '\n') |
| putc('\n', file); |
| putc('\n', file); |
| } |
| |
| static char *find_branch_name(struct rev_info *rev) |
| { |
| int i, positive = -1; |
| struct object_id branch_oid; |
| const struct object_id *tip_oid; |
| const char *ref, *v; |
| char *full_ref, *branch = NULL; |
| |
| for (i = 0; i < rev->cmdline.nr; i++) { |
| if (rev->cmdline.rev[i].flags & UNINTERESTING) |
| continue; |
| if (positive < 0) |
| positive = i; |
| else |
| return NULL; |
| } |
| if (positive < 0) |
| return NULL; |
| ref = rev->cmdline.rev[positive].name; |
| tip_oid = &rev->cmdline.rev[positive].item->oid; |
| if (dwim_ref(ref, strlen(ref), &branch_oid, &full_ref, 0) && |
| skip_prefix(full_ref, "refs/heads/", &v) && |
| oideq(tip_oid, &branch_oid)) |
| branch = xstrdup(v); |
| free(full_ref); |
| return branch; |
| } |
| |
| static void show_diffstat(struct rev_info *rev, |
| struct commit *origin, struct commit *head) |
| { |
| struct diff_options opts; |
| |
| memcpy(&opts, &rev->diffopt, sizeof(opts)); |
| opts.output_format = DIFF_FORMAT_SUMMARY | DIFF_FORMAT_DIFFSTAT; |
| diff_setup_done(&opts); |
| |
| diff_tree_oid(get_commit_tree_oid(origin), |
| get_commit_tree_oid(head), |
| "", &opts); |
| diffcore_std(&opts); |
| diff_flush(&opts); |
| |
| fprintf(rev->diffopt.file, "\n"); |
| } |
| |
| static void prepare_cover_text(struct pretty_print_context *pp, |
| const char *branch_name, |
| struct strbuf *sb, |
| const char *encoding, |
| int need_8bit_cte) |
| { |
| const char *subject = "*** SUBJECT HERE ***"; |
| const char *body = "*** BLURB HERE ***"; |
| struct strbuf description_sb = STRBUF_INIT; |
| struct strbuf subject_sb = STRBUF_INIT; |
| |
| if (cover_from_description_mode == COVER_FROM_NONE) |
| goto do_pp; |
| |
| if (branch_name && *branch_name) |
| read_branch_desc(&description_sb, branch_name); |
| if (!description_sb.len) |
| goto do_pp; |
| |
| if (cover_from_description_mode == COVER_FROM_SUBJECT || |
| cover_from_description_mode == COVER_FROM_AUTO) |
| body = format_subject(&subject_sb, description_sb.buf, " "); |
| |
| if (cover_from_description_mode == COVER_FROM_MESSAGE || |
| (cover_from_description_mode == COVER_FROM_AUTO && |
| subject_sb.len > COVER_FROM_AUTO_MAX_SUBJECT_LEN)) |
| body = description_sb.buf; |
| else |
| subject = subject_sb.buf; |
| |
| do_pp: |
| pp_title_line(pp, &subject, sb, encoding, need_8bit_cte); |
| pp_remainder(pp, &body, sb, 0); |
| |
| strbuf_release(&description_sb); |
| strbuf_release(&subject_sb); |
| } |
| |
| static int get_notes_refs(struct string_list_item *item, void *arg) |
| { |
| strvec_pushf(arg, "--notes=%s", item->string); |
| return 0; |
| } |
| |
| static void get_notes_args(struct strvec *arg, struct rev_info *rev) |
| { |
| if (!rev->show_notes) { |
| strvec_push(arg, "--no-notes"); |
| } else if (rev->notes_opt.use_default_notes > 0 || |
| (rev->notes_opt.use_default_notes == -1 && |
| !rev->notes_opt.extra_notes_refs.nr)) { |
| strvec_push(arg, "--notes"); |
| } else { |
| for_each_string_list(&rev->notes_opt.extra_notes_refs, get_notes_refs, arg); |
| } |
| } |
| |
| static void make_cover_letter(struct rev_info *rev, int use_separate_file, |
| struct commit *origin, |
| int nr, struct commit **list, |
| const char *branch_name, |
| int quiet) |
| { |
| const char *committer; |
| struct shortlog log; |
| struct strbuf sb = STRBUF_INIT; |
| int i; |
| const char *encoding = "UTF-8"; |
| int need_8bit_cte = 0; |
| struct pretty_print_context pp = {0}; |
| struct commit *head = list[0]; |
| |
| if (!cmit_fmt_is_mail(rev->commit_format)) |
| die(_("cover letter needs email format")); |
| |
| committer = git_committer_info(0); |
| |
| if (use_separate_file && |
| open_next_file(NULL, rev->numbered_files ? NULL : "cover-letter", rev, quiet)) |
| die(_("failed to create cover-letter file")); |
| |
| log_write_email_headers(rev, head, &pp.after_subject, &need_8bit_cte, 0); |
| |
| for (i = 0; !need_8bit_cte && i < nr; i++) { |
| const char *buf = get_commit_buffer(list[i], NULL); |
| if (has_non_ascii(buf)) |
| need_8bit_cte = 1; |
| unuse_commit_buffer(list[i], buf); |
| } |
| |
| if (!branch_name) |
| branch_name = find_branch_name(rev); |
| |
| pp.fmt = CMIT_FMT_EMAIL; |
| pp.date_mode.type = DATE_RFC2822; |
| pp.rev = rev; |
| pp.print_email_subject = 1; |
| pp_user_info(&pp, NULL, &sb, committer, encoding); |
| prepare_cover_text(&pp, branch_name, &sb, encoding, need_8bit_cte); |
| fprintf(rev->diffopt.file, "%s\n", sb.buf); |
| |
| strbuf_release(&sb); |
| |
| shortlog_init(&log); |
| log.wrap_lines = 1; |
| log.wrap = MAIL_DEFAULT_WRAP; |
| log.in1 = 2; |
| log.in2 = 4; |
| log.file = rev->diffopt.file; |
| log.groups = SHORTLOG_GROUP_AUTHOR; |
| for (i = 0; i < nr; i++) |
| shortlog_add_commit(&log, list[i]); |
| |
| shortlog_output(&log); |
| |
| /* We can only do diffstat with a unique reference point */ |
| if (origin) |
| show_diffstat(rev, origin, head); |
| |
| if (rev->idiff_oid1) { |
| fprintf_ln(rev->diffopt.file, "%s", rev->idiff_title); |
| show_interdiff(rev->idiff_oid1, rev->idiff_oid2, 0, |
| &rev->diffopt); |
| } |
| |
| if (rev->rdiff1) { |
| /* |
| * Pass minimum required diff-options to range-diff; others |
| * can be added later if deemed desirable. |
| */ |
| struct diff_options opts; |
| struct strvec other_arg = STRVEC_INIT; |
| struct range_diff_options range_diff_opts = { |
| .creation_factor = rev->creation_factor, |
| .dual_color = 1, |
| .diffopt = &opts, |
| .other_arg = &other_arg |
| }; |
| |
| diff_setup(&opts); |
| opts.file = rev->diffopt.file; |
| opts.use_color = rev->diffopt.use_color; |
| diff_setup_done(&opts); |
| fprintf_ln(rev->diffopt.file, "%s", rev->rdiff_title); |
| get_notes_args(&other_arg, rev); |
| show_range_diff(rev->rdiff1, rev->rdiff2, &range_diff_opts); |
| strvec_clear(&other_arg); |
| } |
| } |
| |
| static const char *clean_message_id(const char *msg_id) |
| { |
| char ch; |
| const char *a, *z, *m; |
| |
| m = msg_id; |
| while ((ch = *m) && (isspace(ch) || (ch == '<'))) |
| m++; |
| a = m; |
| z = NULL; |
| while ((ch = *m)) { |
| if (!isspace(ch) && (ch != '>')) |
| z = m; |
| m++; |
| } |
| if (!z) |
| die(_("insane in-reply-to: %s"), msg_id); |
| if (++z == m) |
| return a; |
| return xmemdupz(a, z - a); |
| } |
| |
| static const char *set_outdir(const char *prefix, const char *output_directory) |
| { |
| if (output_directory && is_absolute_path(output_directory)) |
| return output_directory; |
| |
| if (!prefix || !*prefix) { |
| if (output_directory) |
| return output_directory; |
| /* The user did not explicitly ask for "./" */ |
| outdir_offset = 2; |
| return "./"; |
| } |
| |
| outdir_offset = strlen(prefix); |
| if (!output_directory) |
| return prefix; |
| |
| return prefix_filename(prefix, output_directory); |
| } |
| |
| static const char * const builtin_format_patch_usage[] = { |
| N_("git format-patch [<options>] [<since> | <revision-range>]"), |
| NULL |
| }; |
| |
| static int keep_subject = 0; |
| |
| static int keep_callback(const struct option *opt, const char *arg, int unset) |
| { |
| BUG_ON_OPT_NEG(unset); |
| BUG_ON_OPT_ARG(arg); |
| ((struct rev_info *)opt->value)->total = -1; |
| keep_subject = 1; |
| return 0; |
| } |
| |
| static int subject_prefix = 0; |
| |
| static int subject_prefix_callback(const struct option *opt, const char *arg, |
| int unset) |
| { |
| BUG_ON_OPT_NEG(unset); |
| subject_prefix = 1; |
| ((struct rev_info *)opt->value)->subject_prefix = arg; |
| return 0; |
| } |
| |
| static int rfc_callback(const struct option *opt, const char *arg, int unset) |
| { |
| BUG_ON_OPT_NEG(unset); |
| BUG_ON_OPT_ARG(arg); |
| return subject_prefix_callback(opt, "RFC PATCH", unset); |
| } |
| |
| static int numbered_cmdline_opt = 0; |
| |
| static int numbered_callback(const struct option *opt, const char *arg, |
| int unset) |
| { |
| BUG_ON_OPT_ARG(arg); |
| *(int *)opt->value = numbered_cmdline_opt = unset ? 0 : 1; |
| if (unset) |
| auto_number = 0; |
| return 0; |
| } |
| |
| static int no_numbered_callback(const struct option *opt, const char *arg, |
| int unset) |
| { |
| BUG_ON_OPT_NEG(unset); |
| return numbered_callback(opt, arg, 1); |
| } |
| |
| static int output_directory_callback(const struct option *opt, const char *arg, |
| int unset) |
| { |
| const char **dir = (const char **)opt->value; |
| BUG_ON_OPT_NEG(unset); |
| if (*dir) |
| die(_("two output directories?")); |
| *dir = arg; |
| return 0; |
| } |
| |
| static int thread_callback(const struct option *opt, const char *arg, int unset) |
| { |
| enum thread_level *thread = (enum thread_level *)opt->value; |
| if (unset) |
| *thread = THREAD_UNSET; |
| else if (!arg || !strcmp(arg, "shallow")) |
| *thread = THREAD_SHALLOW; |
| else if (!strcmp(arg, "deep")) |
| *thread = THREAD_DEEP; |
| /* |
| * Please update _git_formatpatch() in git-completion.bash |
| * when you add new options. |
| */ |
| else |
| return 1; |
| return 0; |
| } |
| |
| static int attach_callback(const struct option *opt, const char *arg, int unset) |
| { |
| struct rev_info *rev = (struct rev_info *)opt->value; |
| if (unset) |
| rev->mime_boundary = NULL; |
| else if (arg) |
| rev->mime_boundary = arg; |
| else |
| rev->mime_boundary = git_version_string; |
| rev->no_inline = unset ? 0 : 1; |
| return 0; |
| } |
| |
| static int inline_callback(const struct option *opt, const char *arg, int unset) |
| { |
| struct rev_info *rev = (struct rev_info *)opt->value; |
| if (unset) |
| rev->mime_boundary = NULL; |
| else if (arg) |
| rev->mime_boundary = arg; |
| else |
| rev->mime_boundary = git_version_string; |
| rev->no_inline = 0; |
| return 0; |
| } |
| |
| static int header_callback(const struct option *opt, const char *arg, int unset) |
| { |
| if (unset) { |
| string_list_clear(&extra_hdr, 0); |
| string_list_clear(&extra_to, 0); |
| string_list_clear(&extra_cc, 0); |
| } else { |
| add_header(arg); |
| } |
| return 0; |
| } |
| |
| static int to_callback(const struct option *opt, const char *arg, int unset) |
| { |
| if (unset) |
| string_list_clear(&extra_to, 0); |
| else |
| string_list_append(&extra_to, arg); |
| return 0; |
| } |
| |
| static int cc_callback(const struct option *opt, const char *arg, int unset) |
| { |
| if (unset) |
| string_list_clear(&extra_cc, 0); |
| else |
| string_list_append(&extra_cc, arg); |
| return 0; |
| } |
| |
| static int from_callback(const struct option *opt, const char *arg, int unset) |
| { |
| char **from = opt->value; |
| |
| free(*from); |
| |
| if (unset) |
| *from = NULL; |
| else if (arg) |
| *from = xstrdup(arg); |
| else |
| *from = xstrdup(git_committer_info(IDENT_NO_DATE)); |
| return 0; |
| } |
| |
| static int base_callback(const struct option *opt, const char *arg, int unset) |
| { |
| const char **base_commit = opt->value; |
| |
| if (unset) { |
| auto_base = AUTO_BASE_NEVER; |
| *base_commit = NULL; |
| } else if (!strcmp(arg, "auto")) { |
| auto_base = AUTO_BASE_ALWAYS; |
| *base_commit = NULL; |
| } else { |
| auto_base = AUTO_BASE_NEVER; |
| *base_commit = arg; |
| } |
| return 0; |
| } |
| |
| struct base_tree_info { |
| struct object_id base_commit; |
| int nr_patch_id, alloc_patch_id; |
| struct object_id *patch_id; |
| }; |
| |
| static struct commit *get_base_commit(const char *base_commit, |
| struct commit **list, |
| int total) |
| { |
| struct commit *base = NULL; |
| struct commit **rev; |
| int i = 0, rev_nr = 0, auto_select, die_on_failure; |
| |
| switch (auto_base) { |
| case AUTO_BASE_NEVER: |
| if (base_commit) { |
| auto_select = 0; |
| die_on_failure = 1; |
| } else { |
| /* no base information is requested */ |
| return NULL; |
| } |
| break; |
| case AUTO_BASE_ALWAYS: |
| case AUTO_BASE_WHEN_ABLE: |
| if (base_commit) { |
| BUG("requested automatic base selection but a commit was provided"); |
| } else { |
| auto_select = 1; |
| die_on_failure = auto_base == AUTO_BASE_ALWAYS; |
| } |
| break; |
| default: |
| BUG("unexpected automatic base selection method"); |
| } |
| |
| if (!auto_select) { |
| base = lookup_commit_reference_by_name(base_commit); |
| if (!base) |
| die(_("unknown commit %s"), base_commit); |
| } else { |
| struct branch *curr_branch = branch_get(NULL); |
| const char *upstream = branch_get_upstream(curr_branch, NULL); |
| if (upstream) { |
| struct commit_list *base_list; |
| struct commit *commit; |
| struct object_id oid; |
| |
| if (get_oid(upstream, &oid)) { |
| if (die_on_failure) |
| die(_("failed to resolve '%s' as a valid ref"), upstream); |
| else |
| return NULL; |
| } |
| commit = lookup_commit_or_die(&oid, "upstream base"); |
| base_list = get_merge_bases_many(commit, total, list); |
| /* There should be one and only one merge base. */ |
| if (!base_list || base_list->next) { |
| if (die_on_failure) { |
| die(_("could not find exact merge base")); |
| } else { |
| free_commit_list(base_list); |
| return NULL; |
| } |
| } |
| base = base_list->item; |
| free_commit_list(base_list); |
| } else { |
| if (die_on_failure) |
| die(_("failed to get upstream, if you want to record base commit automatically,\n" |
| "please use git branch --set-upstream-to to track a remote branch.\n" |
| "Or you could specify base commit by --base=<base-commit-id> manually")); |
| else |
| return NULL; |
| } |
| } |
| |
| ALLOC_ARRAY(rev, total); |
| for (i = 0; i < total; i++) |
| rev[i] = list[i]; |
| |
| rev_nr = total; |
| /* |
| * Get merge base through pair-wise computations |
| * and store it in rev[0]. |
| */ |
| while (rev_nr > 1) { |
| for (i = 0; i < rev_nr / 2; i++) { |
| struct commit_list *merge_base; |
| merge_base = get_merge_bases(rev[2 * i], rev[2 * i + 1]); |
| if (!merge_base || merge_base->next) { |
| if (die_on_failure) { |
| die(_("failed to find exact merge base")); |
| } else { |
| free(rev); |
| return NULL; |
| } |
| } |
| |
| rev[i] = merge_base->item; |
| } |
| |
| if (rev_nr % 2) |
| rev[i] = rev[2 * i]; |
| rev_nr = DIV_ROUND_UP(rev_nr, 2); |
| } |
| |
| if (!in_merge_bases(base, rev[0])) { |
| if (die_on_failure) { |
| die(_("base commit should be the ancestor of revision list")); |
| } else { |
| free(rev); |
| return NULL; |
| } |
| } |
| |
| for (i = 0; i < total; i++) { |
| if (base == list[i]) { |
| if (die_on_failure) { |
| die(_("base commit shouldn't be in revision list")); |
| } else { |
| free(rev); |
| return NULL; |
| } |
| } |
| } |
| |
| free(rev); |
| return base; |
| } |
| |
| define_commit_slab(commit_base, int); |
| |
| static void prepare_bases(struct base_tree_info *bases, |
| struct commit *base, |
| struct commit **list, |
| int total) |
| { |
| struct commit *commit; |
| struct rev_info revs; |
| struct diff_options diffopt; |
| struct commit_base commit_base; |
| int i; |
| |
| if (!base) |
| return; |
| |
| init_commit_base(&commit_base); |
| repo_diff_setup(the_repository, &diffopt); |
| diffopt.flags.recursive = 1; |
| diff_setup_done(&diffopt); |
| |
| oidcpy(&bases->base_commit, &base->object.oid); |
| |
| repo_init_revisions(the_repository, &revs, NULL); |
| revs.max_parents = 1; |
| revs.topo_order = 1; |
| for (i = 0; i < total; i++) { |
| list[i]->object.flags &= ~UNINTERESTING; |
| add_pending_object(&revs, &list[i]->object, "rev_list"); |
| *commit_base_at(&commit_base, list[i]) = 1; |
| } |
| base->object.flags |= UNINTERESTING; |
| add_pending_object(&revs, &base->object, "base"); |
| |
| if (prepare_revision_walk(&revs)) |
| die(_("revision walk setup failed")); |
| /* |
| * Traverse the commits list, get prerequisite patch ids |
| * and stuff them in bases structure. |
| */ |
| while ((commit = get_revision(&revs)) != NULL) { |
| struct object_id oid; |
| struct object_id *patch_id; |
| if (*commit_base_at(&commit_base, commit)) |
| continue; |
| if (commit_patch_id(commit, &diffopt, &oid, 0, 1)) |
| die(_("cannot get patch id")); |
| ALLOC_GROW(bases->patch_id, bases->nr_patch_id + 1, bases->alloc_patch_id); |
| patch_id = bases->patch_id + bases->nr_patch_id; |
| oidcpy(patch_id, &oid); |
| bases->nr_patch_id++; |
| } |
| clear_commit_base(&commit_base); |
| } |
| |
| static void print_bases(struct base_tree_info *bases, FILE *file) |
| { |
| int i; |
| |
| /* Only do this once, either for the cover or for the first one */ |
| if (is_null_oid(&bases->base_commit)) |
| return; |
| |
| /* Show the base commit */ |
| fprintf(file, "\nbase-commit: %s\n", oid_to_hex(&bases->base_commit)); |
| |
| /* Show the prerequisite patches */ |
| for (i = bases->nr_patch_id - 1; i >= 0; i--) |
| fprintf(file, "prerequisite-patch-id: %s\n", oid_to_hex(&bases->patch_id[i])); |
| |
| free(bases->patch_id); |
| bases->nr_patch_id = 0; |
| bases->alloc_patch_id = 0; |
| oidclr(&bases->base_commit); |
| } |
| |
| static const char *diff_title(struct strbuf *sb, |
| const char *reroll_count, |
| const char *generic, |
| const char *rerolled) |
| { |
| int v; |
| |
| /* RFC may be v0, so allow -v1 to diff against v0 */ |
| if (reroll_count && !strtol_i(reroll_count, 10, &v) && |
| v >= 1) |
| strbuf_addf(sb, rerolled, v - 1); |
| else |
| strbuf_addstr(sb, generic); |
| return sb->buf; |
| } |
| |
| static void infer_range_diff_ranges(struct strbuf *r1, |
| struct strbuf *r2, |
| const char *prev, |
| struct commit *origin, |
| struct commit *head) |
| { |
| const char *head_oid = oid_to_hex(&head->object.oid); |
| int prev_is_range = is_range_diff_range(prev); |
| |
| if (prev_is_range) |
| strbuf_addstr(r1, prev); |
| else |
| strbuf_addf(r1, "%s..%s", head_oid, prev); |
| |
| if (origin) |
| strbuf_addf(r2, "%s..%s", oid_to_hex(&origin->object.oid), head_oid); |
| else if (prev_is_range) |
| die(_("failed to infer range-diff origin of current series")); |
| else { |
| warning(_("using '%s' as range-diff origin of current series"), prev); |
| strbuf_addf(r2, "%s..%s", prev, head_oid); |
| } |
| } |
| |
| int cmd_format_patch(int argc, const char **argv, const char *prefix) |
| { |
| struct commit *commit; |
| struct commit **list = NULL; |
| struct rev_info rev; |
| struct setup_revision_opt s_r_opt; |
| int nr = 0, total, i; |
| int use_stdout = 0; |
| int start_number = -1; |
| int just_numbers = 0; |
| int ignore_if_in_upstream = 0; |
| int cover_letter = -1; |
| int boundary_count = 0; |
| int no_binary_diff = 0; |
| int zero_commit = 0; |
| struct commit *origin = NULL; |
| const char *in_reply_to = NULL; |
| struct patch_ids ids; |
| struct strbuf buf = STRBUF_INIT; |
| int use_patch_format = 0; |
| int quiet = 0; |
| const char *reroll_count = NULL; |
| char *cover_from_description_arg = NULL; |
| char *branch_name = NULL; |
| char *base_commit = NULL; |
| struct base_tree_info bases; |
| struct commit *base; |
| int show_progress = 0; |
| struct progress *progress = NULL; |
| struct oid_array idiff_prev = OID_ARRAY_INIT; |
| struct strbuf idiff_title = STRBUF_INIT; |
| const char *rdiff_prev = NULL; |
| struct strbuf rdiff1 = STRBUF_INIT; |
| struct strbuf rdiff2 = STRBUF_INIT; |
| struct strbuf rdiff_title = STRBUF_INIT; |
| int creation_factor = -1; |
| |
| const struct option builtin_format_patch_options[] = { |
| OPT_CALLBACK_F('n', "numbered", &numbered, NULL, |
| N_("use [PATCH n/m] even with a single patch"), |
| PARSE_OPT_NOARG, numbered_callback), |
| OPT_CALLBACK_F('N', "no-numbered", &numbered, NULL, |
| N_("use [PATCH] even with multiple patches"), |
| PARSE_OPT_NOARG | PARSE_OPT_NONEG, no_numbered_callback), |
| OPT_BOOL('s', "signoff", &do_signoff, N_("add a Signed-off-by trailer")), |
| OPT_BOOL(0, "stdout", &use_stdout, |
| N_("print patches to standard out")), |
| OPT_BOOL(0, "cover-letter", &cover_letter, |
| N_("generate a cover letter")), |
| OPT_BOOL(0, "numbered-files", &just_numbers, |
| N_("use simple number sequence for output file names")), |
| OPT_STRING(0, "suffix", &fmt_patch_suffix, N_("sfx"), |
| N_("use <sfx> instead of '.patch'")), |
| OPT_INTEGER(0, "start-number", &start_number, |
| N_("start numbering patches at <n> instead of 1")), |
| OPT_STRING('v', "reroll-count", &reroll_count, N_("reroll-count"), |
| N_("mark the series as Nth re-roll")), |
| OPT_INTEGER(0, "filename-max-length", &fmt_patch_name_max, |
| N_("max length of output filename")), |
| OPT_CALLBACK_F(0, "rfc", &rev, NULL, |
| N_("use [RFC PATCH] instead of [PATCH]"), |
| PARSE_OPT_NOARG | PARSE_OPT_NONEG, rfc_callback), |
| OPT_STRING(0, "cover-from-description", &cover_from_description_arg, |
| N_("cover-from-description-mode"), |
| N_("generate parts of a cover letter based on a branch's description")), |
| OPT_CALLBACK_F(0, "subject-prefix", &rev, N_("prefix"), |
| N_("use [<prefix>] instead of [PATCH]"), |
| PARSE_OPT_NONEG, subject_prefix_callback), |
| OPT_CALLBACK_F('o', "output-directory", &output_directory, |
| N_("dir"), N_("store resulting files in <dir>"), |
| PARSE_OPT_NONEG, output_directory_callback), |
| OPT_CALLBACK_F('k', "keep-subject", &rev, NULL, |
| N_("don't strip/add [PATCH]"), |
| PARSE_OPT_NOARG | PARSE_OPT_NONEG, keep_callback), |
| OPT_BOOL(0, "no-binary", &no_binary_diff, |
| N_("don't output binary diffs")), |
| OPT_BOOL(0, "zero-commit", &zero_commit, |
| N_("output all-zero hash in From header")), |
| OPT_BOOL(0, "ignore-if-in-upstream", &ignore_if_in_upstream, |
| N_("don't include a patch matching a commit upstream")), |
| OPT_SET_INT_F('p', "no-stat", &use_patch_format, |
| N_("show patch format instead of default (patch + stat)"), |
| 1, PARSE_OPT_NONEG), |
| OPT_GROUP(N_("Messaging")), |
| OPT_CALLBACK(0, "add-header", NULL, N_("header"), |
| N_("add email header"), header_callback), |
| OPT_CALLBACK(0, "to", NULL, N_("email"), N_("add To: header"), to_callback), |
| OPT_CALLBACK(0, "cc", NULL, N_("email"), N_("add Cc: header"), cc_callback), |
| OPT_CALLBACK_F(0, "from", &from, N_("ident"), |
| N_("set From address to <ident> (or committer ident if absent)"), |
| PARSE_OPT_OPTARG, from_callback), |
| OPT_STRING(0, "in-reply-to", &in_reply_to, N_("message-id"), |
| N_("make first mail a reply to <message-id>")), |
| OPT_CALLBACK_F(0, "attach", &rev, N_("boundary"), |
| N_("attach the patch"), PARSE_OPT_OPTARG, |
| attach_callback), |
| OPT_CALLBACK_F(0, "inline", &rev, N_("boundary"), |
| N_("inline the patch"), |
| PARSE_OPT_OPTARG | PARSE_OPT_NONEG, |
| inline_callback), |
| OPT_CALLBACK_F(0, "thread", &thread, N_("style"), |
| N_("enable message threading, styles: shallow, deep"), |
| PARSE_OPT_OPTARG, thread_callback), |
| OPT_STRING(0, "signature", &signature, N_("signature"), |
| N_("add a signature")), |
| OPT_CALLBACK_F(0, "base", &base_commit, N_("base-commit"), |
| N_("add prerequisite tree info to the patch series"), |
| 0, base_callback), |
| OPT_FILENAME(0, "signature-file", &signature_file, |
| N_("add a signature from a file")), |
| OPT__QUIET(&quiet, N_("don't print the patch filenames")), |
| OPT_BOOL(0, "progress", &show_progress, |
| N_("show progress while generating patches")), |
| OPT_CALLBACK(0, "interdiff", &idiff_prev, N_("rev"), |
| N_("show changes against <rev> in cover letter or single patch"), |
| parse_opt_object_name), |
| OPT_STRING(0, "range-diff", &rdiff_prev, N_("refspec"), |
| N_("show changes against <refspec> in cover letter or single patch")), |
| OPT_INTEGER(0, "creation-factor", &creation_factor, |
| N_("percentage by which creation is weighted")), |
| OPT_END() |
| }; |
| |
| extra_hdr.strdup_strings = 1; |
| extra_to.strdup_strings = 1; |
| extra_cc.strdup_strings = 1; |
| init_log_defaults(); |
| init_display_notes(¬es_opt); |
| git_config(git_format_config, NULL); |
| repo_init_revisions(the_repository, &rev, prefix); |
| rev.show_notes = show_notes; |
| memcpy(&rev.notes_opt, ¬es_opt, sizeof(notes_opt)); |
| rev.commit_format = CMIT_FMT_EMAIL; |
| rev.encode_email_headers = default_encode_email_headers; |
| rev.expand_tabs_in_log_default = 0; |
| rev.verbose_header = 1; |
| rev.diff = 1; |
| rev.max_parents = 1; |
| rev.diffopt.flags.recursive = 1; |
| rev.subject_prefix = fmt_patch_subject_prefix; |
| memset(&s_r_opt, 0, sizeof(s_r_opt)); |
| s_r_opt.def = "HEAD"; |
| s_r_opt.revarg_opt = REVARG_COMMITTISH; |
| |
| if (default_attach) { |
| rev.mime_boundary = default_attach; |
| rev.no_inline = 1; |
| } |
| |
| /* |
| * Parse the arguments before setup_revisions(), or something |
| * like "git format-patch -o a123 HEAD^.." may fail; a123 is |
| * possibly a valid SHA1. |
| */ |
| argc = parse_options(argc, argv, prefix, builtin_format_patch_options, |
| builtin_format_patch_usage, |
| PARSE_OPT_KEEP_ARGV0 | PARSE_OPT_KEEP_UNKNOWN | |
| PARSE_OPT_KEEP_DASHDASH); |
| |
| /* Make sure "0000-$sub.patch" gives non-negative length for $sub */ |
| if (fmt_patch_name_max <= strlen("0000-") + strlen(fmt_patch_suffix)) |
| fmt_patch_name_max = strlen("0000-") + strlen(fmt_patch_suffix); |
| |
| if (cover_from_description_arg) |
| cover_from_description_mode = parse_cover_from_description(cover_from_description_arg); |
| |
| if (reroll_count) { |
| struct strbuf sprefix = STRBUF_INIT; |
| |
| strbuf_addf(&sprefix, "%s v%s", |
| rev.subject_prefix, reroll_count); |
| rev.reroll_count = reroll_count; |
| rev.subject_prefix = strbuf_detach(&sprefix, NULL); |
| } |
| |
| for (i = 0; i < extra_hdr.nr; i++) { |
| strbuf_addstr(&buf, extra_hdr.items[i].string); |
| strbuf_addch(&buf, '\n'); |
| } |
| |
| if (extra_to.nr) |
| strbuf_addstr(&buf, "To: "); |
| for (i = 0; i < extra_to.nr; i++) { |
| if (i) |
| strbuf_addstr(&buf, " "); |
| strbuf_addstr(&buf, extra_to.items[i].string); |
| if (i + 1 < extra_to.nr) |
| strbuf_addch(&buf, ','); |
| strbuf_addch(&buf, '\n'); |
| } |
| |
| if (extra_cc.nr) |
| strbuf_addstr(&buf, "Cc: "); |
| for (i = 0; i < extra_cc.nr; i++) { |
| if (i) |
| strbuf_addstr(&buf, " "); |
| strbuf_addstr(&buf, extra_cc.items[i].string); |
| if (i + 1 < extra_cc.nr) |
| strbuf_addch(&buf, ','); |
| strbuf_addch(&buf, '\n'); |
| } |
| |
| rev.extra_headers = strbuf_detach(&buf, NULL); |
| |
| if (from) { |
| if (split_ident_line(&rev.from_ident, from, strlen(from))) |
| die(_("invalid ident line: %s"), from); |
| } |
| |
| if (start_number < 0) |
| start_number = 1; |
| |
| /* |
| * If numbered is set solely due to format.numbered in config, |
| * and it would conflict with --keep-subject (-k) from the |
| * command line, reset "numbered". |
| */ |
| if (numbered && keep_subject && !numbered_cmdline_opt) |
| numbered = 0; |
| |
| if (numbered && keep_subject) |
| die(_("-n and -k are mutually exclusive")); |
| if (keep_subject && subject_prefix) |
| die(_("--subject-prefix/--rfc and -k are mutually exclusive")); |
| rev.preserve_subject = keep_subject; |
| |
| argc = setup_revisions(argc, argv, &rev, &s_r_opt); |
| if (argc > 1) |
| die(_("unrecognized argument: %s"), argv[1]); |
| |
| if (rev.diffopt.output_format & DIFF_FORMAT_NAME) |
| die(_("--name-only does not make sense")); |
| if (rev.diffopt.output_format & DIFF_FORMAT_NAME_STATUS) |
| die(_("--name-status does not make sense")); |
| if (rev.diffopt.output_format & DIFF_FORMAT_CHECKDIFF) |
| die(_("--check does not make sense")); |
| |
| if (!use_patch_format && |
| (!rev.diffopt.output_format || |
| rev.diffopt.output_format == DIFF_FORMAT_PATCH)) |
| rev.diffopt.output_format = DIFF_FORMAT_DIFFSTAT | DIFF_FORMAT_SUMMARY; |
| if (!rev.diffopt.stat_width) |
| rev.diffopt.stat_width = MAIL_DEFAULT_WRAP; |
| |
| /* Always generate a patch */ |
| rev.diffopt.output_format |= DIFF_FORMAT_PATCH; |
| |
| rev.zero_commit = zero_commit; |
| rev.patch_name_max = fmt_patch_name_max; |
| |
| if (!rev.diffopt.flags.text && !no_binary_diff) |
| rev.diffopt.flags.binary = 1; |
| |
| if (rev.show_notes) |
| load_display_notes(&rev.notes_opt); |
| |
| if (use_stdout + rev.diffopt.close_file + !!output_directory > 1) |
| die(_("--stdout, --output, and --output-directory are mutually exclusive")); |
| |
| if (use_stdout) { |
| setup_pager(); |
| } else if (rev.diffopt.close_file) { |
| /* |
| * The diff code parsed --output; it has already opened the |
| * file, but but we must instruct it not to close after each |
| * diff. |
| */ |
| rev.diffopt.no_free = 1; |
| } else { |
| int saved; |
| |
| if (!output_directory) |
| output_directory = config_output_directory; |
| output_directory = set_outdir(prefix, output_directory); |
| |
| if (rev.diffopt.use_color != GIT_COLOR_ALWAYS) |
| rev.diffopt.use_color = GIT_COLOR_NEVER; |
| /* |
| * We consider <outdir> as 'outside of gitdir', therefore avoid |
| * applying adjust_shared_perm in s-c-l-d. |
| */ |
| saved = get_shared_repository(); |
| set_shared_repository(0); |
| switch (safe_create_leading_directories_const(output_directory)) { |
| case SCLD_OK: |
| case SCLD_EXISTS: |
| break; |
| default: |
| die(_("could not create leading directories " |
| "of '%s'"), output_directory); |
| } |
| set_shared_repository(saved); |
| if (mkdir(output_directory, 0777) < 0 && errno != EEXIST) |
| die_errno(_("could not create directory '%s'"), |
| output_directory); |
| } |
| |
| if (rev.pending.nr == 1) { |
| int check_head = 0; |
| |
| if (rev.max_count < 0 && !rev.show_root_diff) { |
| /* |
| * This is traditional behaviour of "git format-patch |
| * origin" that prepares what the origin side still |
| * does not have. |
| */ |
| rev.pending.objects[0].item->flags |= UNINTERESTING; |
| add_head_to_pending(&rev); |
| check_head = 1; |
| } |
| /* |
| * Otherwise, it is "format-patch -22 HEAD", and/or |
| * "format-patch --root HEAD". The user wants |
| * get_revision() to do the usual traversal. |
| */ |
| |
| if (!strcmp(rev.pending.objects[0].name, "HEAD")) |
| check_head = 1; |
| |
| if (check_head) { |
| const char *ref, *v; |
| ref = resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, |
| NULL, NULL); |
| if (ref && skip_prefix(ref, "refs/heads/", &v)) |
| branch_name = xstrdup(v); |
| else |
| branch_name = xstrdup(""); /* no branch */ |
| } |
| } |
| |
| /* |
| * We cannot move this anywhere earlier because we do want to |
| * know if --root was given explicitly from the command line. |
| */ |
| rev.show_root_diff = 1; |
| |
| if (ignore_if_in_upstream) { |
| /* Don't say anything if head and upstream are the same. */ |
| if (rev.pending.nr == 2) { |
| struct object_array_entry *o = rev.pending.objects; |
| if (oideq(&o[0].item->oid, &o[1].item->oid)) |
| goto done; |
| } |
| get_patch_ids(&rev, &ids); |
| } |
| |
| if (prepare_revision_walk(&rev)) |
| die(_("revision walk setup failed")); |
| rev.boundary = 1; |
| while ((commit = get_revision(&rev)) != NULL) { |
| if (commit->object.flags & BOUNDARY) { |
| boundary_count++; |
| origin = (boundary_count == 1) ? commit : NULL; |
| continue; |
| } |
| |
| if (ignore_if_in_upstream && has_commit_patch_id(commit, &ids)) |
| continue; |
| |
| nr++; |
| REALLOC_ARRAY(list, nr); |
| list[nr - 1] = commit; |
| } |
| if (nr == 0) |
| /* nothing to do */ |
| goto done; |
| total = nr; |
| if (cover_letter == -1) { |
| if (config_cover_letter == COVER_AUTO) |
| cover_letter = (total > 1); |
| else |
| cover_letter = (config_cover_letter == COVER_ON); |
| } |
| if (!keep_subject && auto_number && (total > 1 || cover_letter)) |
| numbered = 1; |
| if (numbered) |
| rev.total = total + start_number - 1; |
| |
| if (idiff_prev.nr) { |
| if (!cover_letter && total != 1) |
| die(_("--interdiff requires --cover-letter or single patch")); |
| rev.idiff_oid1 = &idiff_prev.oid[idiff_prev.nr - 1]; |
| rev.idiff_oid2 = get_commit_tree_oid(list[0]); |
| rev.idiff_title = diff_title(&idiff_title, reroll_count, |
| _("Interdiff:"), |
| _("Interdiff against v%d:")); |
| } |
| |
| if (creation_factor < 0) |
| creation_factor = RANGE_DIFF_CREATION_FACTOR_DEFAULT; |
| else if (!rdiff_prev) |
| die(_("--creation-factor requires --range-diff")); |
| |
| if (rdiff_prev) { |
| if (!cover_letter && total != 1) |
| die(_("--range-diff requires --cover-letter or single patch")); |
| |
| infer_range_diff_ranges(&rdiff1, &rdiff2, rdiff_prev, |
| origin, list[0]); |
| rev.rdiff1 = rdiff1.buf; |
| rev.rdiff2 = rdiff2.buf; |
| rev.creation_factor = creation_factor; |
| rev.rdiff_title = diff_title(&rdiff_title, reroll_count, |
| _("Range-diff:"), |
| _("Range-diff against v%d:")); |
| } |
| |
| if (!signature) { |
| ; /* --no-signature inhibits all signatures */ |
| } else if (signature && signature != git_version_string) { |
| ; /* non-default signature already set */ |
| } else if (signature_file) { |
| struct strbuf buf = STRBUF_INIT; |
| |
| if (strbuf_read_file(&buf, signature_file, 128) < 0) |
| die_errno(_("unable to read signature file '%s'"), signature_file); |
| signature = strbuf_detach(&buf, NULL); |
| } |
| |
| memset(&bases, 0, sizeof(bases)); |
| base = get_base_commit(base_commit, list, nr); |
| if (base) { |
| reset_revision_walk(); |
| clear_object_flags(UNINTERESTING); |
| prepare_bases(&bases, base, list, nr); |
| } |
| |
| if (in_reply_to || thread || cover_letter) |
| rev.ref_message_ids = xcalloc(1, sizeof(struct string_list)); |
| if (in_reply_to) { |
| const char *msgid = clean_message_id(in_reply_to); |
| string_list_append(rev.ref_message_ids, msgid); |
| } |
| rev.numbered_files = just_numbers; |
| rev.patch_suffix = fmt_patch_suffix; |
| if (cover_letter) { |
| if (thread) |
| gen_message_id(&rev, "cover"); |
| make_cover_letter(&rev, !!output_directory, |
| origin, nr, list, branch_name, quiet); |
| print_bases(&bases, rev.diffopt.file); |
| print_signature(rev.diffopt.file); |
| total++; |
| start_number--; |
| /* interdiff/range-diff in cover-letter; omit from patches */ |
| rev.idiff_oid1 = NULL; |
| rev.rdiff1 = NULL; |
| } |
| rev.add_signoff = do_signoff; |
| |
| if (show_progress) |
| progress = start_delayed_progress(_("Generating patches"), total); |
| while (0 <= --nr) { |
| int shown; |
| display_progress(progress, total - nr); |
| commit = list[nr]; |
| rev.nr = total - nr + (start_number - 1); |
| /* Make the second and subsequent mails replies to the first */ |
| if (thread) { |
| /* Have we already had a message ID? */ |
| if (rev.message_id) { |
| /* |
| * For deep threading: make every mail |
| * a reply to the previous one, no |
| * matter what other options are set. |
| * |
| * For shallow threading: |
| * |
| * Without --cover-letter and |
| * --in-reply-to, make every mail a |
| * reply to the one before. |
| * |
| * With --in-reply-to but no |
| * --cover-letter, make every mail a |
| * reply to the <reply-to>. |
| * |
| * With --cover-letter, make every |
| * mail but the cover letter a reply |
| * to the cover letter. The cover |
| * letter is a reply to the |
| * --in-reply-to, if specified. |
| */ |
| if (thread == THREAD_SHALLOW |
| && rev.ref_message_ids->nr > 0 |
| && (!cover_letter || rev.nr > 1)) |
| free(rev.message_id); |
| else |
| string_list_append(rev.ref_message_ids, |
| rev.message_id); |
| } |
| gen_message_id(&rev, oid_to_hex(&commit->object.oid)); |
| } |
| |
| if (output_directory && |
| open_next_file(rev.numbered_files ? NULL : commit, NULL, &rev, quiet)) |
| die(_("failed to create output files")); |
| shown = log_tree_commit(&rev, commit); |
| free_commit_buffer(the_repository->parsed_objects, |
| commit); |
| |
| /* We put one extra blank line between formatted |
| * patches and this flag is used by log-tree code |
| * to see if it needs to emit a LF before showing |
| * the log; when using one file per patch, we do |
| * not want the extra blank line. |
| */ |
| if (output_directory) |
| rev.shown_one = 0; |
| if (shown) { |
| print_bases(&bases, rev.diffopt.file); |
| if (rev.mime_boundary) |
| fprintf(rev.diffopt.file, "\n--%s%s--\n\n\n", |
| mime_boundary_leader, |
| rev.mime_boundary); |
| else |
| print_signature(rev.diffopt.file); |
| } |
| if (output_directory) |
| fclose(rev.diffopt.file); |
| } |
| stop_progress(&progress); |
| free(list); |
| free(branch_name); |
| string_list_clear(&extra_to, 0); |
| string_list_clear(&extra_cc, 0); |
| string_list_clear(&extra_hdr, 0); |
| if (ignore_if_in_upstream) |
| free_patch_ids(&ids); |
| |
| done: |
| oid_array_clear(&idiff_prev); |
| strbuf_release(&idiff_title); |
| strbuf_release(&rdiff1); |
| strbuf_release(&rdiff2); |
| strbuf_release(&rdiff_title); |
| return 0; |
| } |
| |
| static int add_pending_commit(const char *arg, struct rev_info *revs, int flags) |
| { |
| struct object_id oid; |
| if (get_oid(arg, &oid) == 0) { |
| struct commit *commit = lookup_commit_reference(the_repository, |
| &oid); |
| if (commit) { |
| commit->object.flags |= flags; |
| add_pending_object(revs, &commit->object, arg); |
| return 0; |
| } |
| } |
| return -1; |
| } |
| |
| static const char * const cherry_usage[] = { |
| N_("git cherry [-v] [<upstream> [<head> [<limit>]]]"), |
| NULL |
| }; |
| |
| static void print_commit(char sign, struct commit *commit, int verbose, |
| int abbrev, FILE *file) |
| { |
| if (!verbose) { |
| fprintf(file, "%c %s\n", sign, |
| find_unique_abbrev(&commit->object.oid, abbrev)); |
| } else { |
| struct strbuf buf = STRBUF_INIT; |
| pp_commit_easy(CMIT_FMT_ONELINE, commit, &buf); |
| fprintf(file, "%c %s %s\n", sign, |
| find_unique_abbrev(&commit->object.oid, abbrev), |
| buf.buf); |
| strbuf_release(&buf); |
| } |
| } |
| |
| int cmd_cherry(int argc, const char **argv, const char *prefix) |
| { |
| struct rev_info revs; |
| struct patch_ids ids; |
| struct commit *commit; |
| struct commit_list *list = NULL; |
| struct branch *current_branch; |
| const char *upstream; |
| const char *head = "HEAD"; |
| const char *limit = NULL; |
| int verbose = 0, abbrev = 0; |
| |
| struct option options[] = { |
| OPT__ABBREV(&abbrev), |
| OPT__VERBOSE(&verbose, N_("be verbose")), |
| OPT_END() |
| }; |
| |
| argc = parse_options(argc, argv, prefix, options, cherry_usage, 0); |
| |
| switch (argc) { |
| case 3: |
| limit = argv[2]; |
| /* FALLTHROUGH */ |
| case 2: |
| head = argv[1]; |
| /* FALLTHROUGH */ |
| case 1: |
| upstream = argv[0]; |
| break; |
| default: |
| current_branch = branch_get(NULL); |
| upstream = branch_get_upstream(current_branch, NULL); |
| if (!upstream) { |
| fprintf(stderr, _("Could not find a tracked" |
| " remote branch, please" |
| " specify <upstream> manually.\n")); |
| usage_with_options(cherry_usage, options); |
| } |
| } |
| |
| repo_init_revisions(the_repository, &revs, prefix); |
| revs.max_parents = 1; |
| |
| if (add_pending_commit(head, &revs, 0)) |
| die(_("unknown commit %s"), head); |
| if (add_pending_commit(upstream, &revs, UNINTERESTING)) |
| die(_("unknown commit %s"), upstream); |
| |
| /* Don't say anything if head and upstream are the same. */ |
| if (revs.pending.nr == 2) { |
| struct object_array_entry *o = revs.pending.objects; |
| if (oideq(&o[0].item->oid, &o[1].item->oid)) |
| return 0; |
| } |
| |
| get_patch_ids(&revs, &ids); |
| |
| if (limit && add_pending_commit(limit, &revs, UNINTERESTING)) |
| die(_("unknown commit %s"), limit); |
| |
| /* reverse the list of commits */ |
| if (prepare_revision_walk(&revs)) |
| die(_("revision walk setup failed")); |
| while ((commit = get_revision(&revs)) != NULL) { |
| commit_list_insert(commit, &list); |
| } |
| |
| while (list) { |
| char sign = '+'; |
| |
| commit = list->item; |
| if (has_commit_patch_id(commit, &ids)) |
| sign = '-'; |
| print_commit(sign, commit, verbose, abbrev, revs.diffopt.file); |
| list = list->next; |
| } |
| |
| free_patch_ids(&ids); |
| return 0; |
| } |