| /* |
| * GIT - The information manager from hell |
| * |
| * Copyright (C) Linus Torvalds, 2005 |
| */ |
| #include "cache.h" |
| #include "config.h" |
| #include "object-store.h" |
| #include "blob.h" |
| #include "tree.h" |
| #include "commit.h" |
| #include "quote.h" |
| #include "builtin.h" |
| #include "parse-options.h" |
| #include "pathspec.h" |
| |
| static int line_termination = '\n'; |
| #define LS_RECURSIVE 1 |
| #define LS_TREE_ONLY (1 << 1) |
| #define LS_SHOW_TREES (1 << 2) |
| static int abbrev; |
| static int ls_options; |
| static struct pathspec pathspec; |
| static int chomp_prefix; |
| static const char *ls_tree_prefix; |
| static const char *format; |
| struct show_tree_data { |
| unsigned mode; |
| enum object_type type; |
| const struct object_id *oid; |
| const char *pathname; |
| struct strbuf *base; |
| }; |
| |
| static const char * const ls_tree_usage[] = { |
| N_("git ls-tree [<options>] <tree-ish> [<path>...]"), |
| NULL |
| }; |
| |
| static enum ls_tree_cmdmode { |
| MODE_DEFAULT = 0, |
| MODE_LONG, |
| MODE_NAME_ONLY, |
| MODE_NAME_STATUS, |
| MODE_OBJECT_ONLY, |
| } cmdmode; |
| |
| static void expand_objectsize(struct strbuf *line, const struct object_id *oid, |
| const enum object_type type, unsigned int padded) |
| { |
| if (type == OBJ_BLOB) { |
| unsigned long size; |
| if (oid_object_info(the_repository, oid, &size) < 0) |
| die(_("could not get object info about '%s'"), |
| oid_to_hex(oid)); |
| if (padded) |
| strbuf_addf(line, "%7"PRIuMAX, (uintmax_t)size); |
| else |
| strbuf_addf(line, "%"PRIuMAX, (uintmax_t)size); |
| } else if (padded) { |
| strbuf_addf(line, "%7s", "-"); |
| } else { |
| strbuf_addstr(line, "-"); |
| } |
| } |
| |
| static size_t expand_show_tree(struct strbuf *sb, const char *start, |
| void *context) |
| { |
| struct show_tree_data *data = context; |
| const char *end; |
| const char *p; |
| unsigned int errlen; |
| size_t len = strbuf_expand_literal_cb(sb, start, NULL); |
| |
| if (len) |
| return len; |
| if (*start != '(') |
| die(_("bad ls-tree format: element '%s' does not start with '('"), start); |
| |
| end = strchr(start + 1, ')'); |
| if (!end) |
| die(_("bad ls-tree format: element '%s' does not end in ')'"), start); |
| |
| len = end - start + 1; |
| if (skip_prefix(start, "(objectmode)", &p)) { |
| strbuf_addf(sb, "%06o", data->mode); |
| } else if (skip_prefix(start, "(objecttype)", &p)) { |
| strbuf_addstr(sb, type_name(data->type)); |
| } else if (skip_prefix(start, "(objectsize:padded)", &p)) { |
| expand_objectsize(sb, data->oid, data->type, 1); |
| } else if (skip_prefix(start, "(objectsize)", &p)) { |
| expand_objectsize(sb, data->oid, data->type, 0); |
| } else if (skip_prefix(start, "(objectname)", &p)) { |
| strbuf_add_unique_abbrev(sb, data->oid, abbrev); |
| } else if (skip_prefix(start, "(path)", &p)) { |
| const char *name = data->base->buf; |
| const char *prefix = chomp_prefix ? ls_tree_prefix : NULL; |
| struct strbuf quoted = STRBUF_INIT; |
| struct strbuf sbuf = STRBUF_INIT; |
| strbuf_addstr(data->base, data->pathname); |
| name = relative_path(data->base->buf, prefix, &sbuf); |
| quote_c_style(name, "ed, NULL, 0); |
| strbuf_addbuf(sb, "ed); |
| strbuf_release(&sbuf); |
| strbuf_release("ed); |
| } else { |
| errlen = (unsigned long)len; |
| die(_("bad ls-tree format: %%%.*s"), errlen, start); |
| } |
| return len; |
| } |
| |
| static int show_recursive(const char *base, size_t baselen, const char *pathname) |
| { |
| int i; |
| |
| if (ls_options & LS_RECURSIVE) |
| return 1; |
| |
| if (!pathspec.nr) |
| return 0; |
| |
| for (i = 0; i < pathspec.nr; i++) { |
| const char *spec = pathspec.items[i].match; |
| size_t len, speclen; |
| |
| if (strncmp(base, spec, baselen)) |
| continue; |
| len = strlen(pathname); |
| spec += baselen; |
| speclen = strlen(spec); |
| if (speclen <= len) |
| continue; |
| if (spec[len] && spec[len] != '/') |
| continue; |
| if (memcmp(pathname, spec, len)) |
| continue; |
| return 1; |
| } |
| return 0; |
| } |
| |
| static int show_tree_fmt(const struct object_id *oid, struct strbuf *base, |
| const char *pathname, unsigned mode, void *context) |
| { |
| size_t baselen; |
| int recurse = 0; |
| struct strbuf sb = STRBUF_INIT; |
| enum object_type type = object_type(mode); |
| |
| struct show_tree_data data = { |
| .mode = mode, |
| .type = type, |
| .oid = oid, |
| .pathname = pathname, |
| .base = base, |
| }; |
| |
| if (type == OBJ_TREE && show_recursive(base->buf, base->len, pathname)) |
| recurse = READ_TREE_RECURSIVE; |
| if (type == OBJ_TREE && recurse && !(ls_options & LS_SHOW_TREES)) |
| return recurse; |
| if (type == OBJ_BLOB && (ls_options & LS_TREE_ONLY)) |
| return 0; |
| |
| baselen = base->len; |
| strbuf_expand(&sb, format, expand_show_tree, &data); |
| strbuf_addch(&sb, line_termination); |
| fwrite(sb.buf, sb.len, 1, stdout); |
| strbuf_release(&sb); |
| strbuf_setlen(base, baselen); |
| return recurse; |
| } |
| |
| static int show_tree_common(struct show_tree_data *data, int *recurse, |
| const struct object_id *oid, struct strbuf *base, |
| const char *pathname, unsigned mode) |
| { |
| enum object_type type = object_type(mode); |
| int ret = -1; |
| |
| *recurse = 0; |
| data->mode = mode; |
| data->type = type; |
| data->oid = oid; |
| data->pathname = pathname; |
| data->base = base; |
| |
| if (type == OBJ_BLOB) { |
| if (ls_options & LS_TREE_ONLY) |
| ret = 0; |
| } else if (type == OBJ_TREE && |
| show_recursive(base->buf, base->len, pathname)) { |
| *recurse = READ_TREE_RECURSIVE; |
| if (!(ls_options & LS_SHOW_TREES)) |
| ret = *recurse; |
| } |
| |
| return ret; |
| } |
| |
| static void show_tree_common_default_long(struct strbuf *base, |
| const char *pathname, |
| const size_t baselen) |
| { |
| strbuf_addstr(base, pathname); |
| write_name_quoted_relative(base->buf, |
| chomp_prefix ? ls_tree_prefix : NULL, stdout, |
| line_termination); |
| strbuf_setlen(base, baselen); |
| } |
| |
| static int show_tree_default(const struct object_id *oid, struct strbuf *base, |
| const char *pathname, unsigned mode, |
| void *context) |
| { |
| int early; |
| int recurse; |
| struct show_tree_data data = { 0 }; |
| |
| early = show_tree_common(&data, &recurse, oid, base, pathname, mode); |
| if (early >= 0) |
| return early; |
| |
| printf("%06o %s %s\t", data.mode, type_name(data.type), |
| find_unique_abbrev(data.oid, abbrev)); |
| show_tree_common_default_long(base, pathname, data.base->len); |
| return recurse; |
| } |
| |
| static int show_tree_long(const struct object_id *oid, struct strbuf *base, |
| const char *pathname, unsigned mode, void *context) |
| { |
| int early; |
| int recurse; |
| struct show_tree_data data = { 0 }; |
| char size_text[24]; |
| |
| early = show_tree_common(&data, &recurse, oid, base, pathname, mode); |
| if (early >= 0) |
| return early; |
| |
| if (data.type == OBJ_BLOB) { |
| unsigned long size; |
| if (oid_object_info(the_repository, data.oid, &size) == OBJ_BAD) |
| xsnprintf(size_text, sizeof(size_text), "BAD"); |
| else |
| xsnprintf(size_text, sizeof(size_text), |
| "%" PRIuMAX, (uintmax_t)size); |
| } else { |
| xsnprintf(size_text, sizeof(size_text), "-"); |
| } |
| |
| printf("%06o %s %s %7s\t", data.mode, type_name(data.type), |
| find_unique_abbrev(data.oid, abbrev), size_text); |
| show_tree_common_default_long(base, pathname, data.base->len); |
| return recurse; |
| } |
| |
| static int show_tree_name_only(const struct object_id *oid, struct strbuf *base, |
| const char *pathname, unsigned mode, void *context) |
| { |
| int early; |
| int recurse; |
| const size_t baselen = base->len; |
| struct show_tree_data data = { 0 }; |
| |
| early = show_tree_common(&data, &recurse, oid, base, pathname, mode); |
| if (early >= 0) |
| return early; |
| |
| strbuf_addstr(base, pathname); |
| write_name_quoted_relative(base->buf, |
| chomp_prefix ? ls_tree_prefix : NULL, |
| stdout, line_termination); |
| strbuf_setlen(base, baselen); |
| return recurse; |
| } |
| |
| static int show_tree_object(const struct object_id *oid, struct strbuf *base, |
| const char *pathname, unsigned mode, void *context) |
| { |
| int early; |
| int recurse; |
| struct show_tree_data data = { 0 }; |
| |
| early = show_tree_common(&data, &recurse, oid, base, pathname, mode); |
| if (early >= 0) |
| return early; |
| |
| printf("%s%c", find_unique_abbrev(oid, abbrev), line_termination); |
| return recurse; |
| } |
| |
| struct ls_tree_cmdmode_to_fmt { |
| enum ls_tree_cmdmode mode; |
| const char *const fmt; |
| read_tree_fn_t fn; |
| }; |
| |
| static struct ls_tree_cmdmode_to_fmt ls_tree_cmdmode_format[] = { |
| { |
| .mode = MODE_DEFAULT, |
| .fmt = "%(objectmode) %(objecttype) %(objectname)%x09%(path)", |
| .fn = show_tree_default, |
| }, |
| { |
| .mode = MODE_LONG, |
| .fmt = "%(objectmode) %(objecttype) %(objectname) %(objectsize:padded)%x09%(path)", |
| .fn = show_tree_long, |
| }, |
| { |
| .mode = MODE_NAME_ONLY, /* And MODE_NAME_STATUS */ |
| .fmt = "%(path)", |
| .fn = show_tree_name_only, |
| }, |
| { |
| .mode = MODE_OBJECT_ONLY, |
| .fmt = "%(objectname)", |
| .fn = show_tree_object |
| }, |
| { |
| /* fallback */ |
| .fn = show_tree_default, |
| }, |
| }; |
| |
| int cmd_ls_tree(int argc, const char **argv, const char *prefix) |
| { |
| struct object_id oid; |
| struct tree *tree; |
| int i, full_tree = 0; |
| read_tree_fn_t fn = NULL; |
| const struct option ls_tree_options[] = { |
| OPT_BIT('d', NULL, &ls_options, N_("only show trees"), |
| LS_TREE_ONLY), |
| OPT_BIT('r', NULL, &ls_options, N_("recurse into subtrees"), |
| LS_RECURSIVE), |
| OPT_BIT('t', NULL, &ls_options, N_("show trees when recursing"), |
| LS_SHOW_TREES), |
| OPT_SET_INT('z', NULL, &line_termination, |
| N_("terminate entries with NUL byte"), 0), |
| OPT_CMDMODE('l', "long", &cmdmode, N_("include object size"), |
| MODE_LONG), |
| OPT_CMDMODE(0, "name-only", &cmdmode, N_("list only filenames"), |
| MODE_NAME_ONLY), |
| OPT_CMDMODE(0, "name-status", &cmdmode, N_("list only filenames"), |
| MODE_NAME_STATUS), |
| OPT_CMDMODE(0, "object-only", &cmdmode, N_("list only objects"), |
| MODE_OBJECT_ONLY), |
| OPT_SET_INT(0, "full-name", &chomp_prefix, |
| N_("use full path names"), 0), |
| OPT_BOOL(0, "full-tree", &full_tree, |
| N_("list entire tree; not just current directory " |
| "(implies --full-name)")), |
| OPT_STRING_F(0, "format", &format, N_("format"), |
| N_("format to use for the output"), |
| PARSE_OPT_NONEG), |
| OPT__ABBREV(&abbrev), |
| OPT_END() |
| }; |
| struct ls_tree_cmdmode_to_fmt *m2f = ls_tree_cmdmode_format; |
| |
| git_config(git_default_config, NULL); |
| ls_tree_prefix = prefix; |
| if (prefix) |
| chomp_prefix = strlen(prefix); |
| |
| argc = parse_options(argc, argv, prefix, ls_tree_options, |
| ls_tree_usage, 0); |
| if (full_tree) { |
| ls_tree_prefix = prefix = NULL; |
| chomp_prefix = 0; |
| } |
| /* |
| * We wanted to detect conflicts between --name-only and |
| * --name-status, but once we're done with that subsequent |
| * code should only need to check the primary name. |
| */ |
| if (cmdmode == MODE_NAME_STATUS) |
| cmdmode = MODE_NAME_ONLY; |
| |
| /* -d -r should imply -t, but -d by itself should not have to. */ |
| if ( (LS_TREE_ONLY|LS_RECURSIVE) == |
| ((LS_TREE_ONLY|LS_RECURSIVE) & ls_options)) |
| ls_options |= LS_SHOW_TREES; |
| |
| if (format && cmdmode) |
| usage_msg_opt( |
| _("--format can't be combined with other format-altering options"), |
| ls_tree_usage, ls_tree_options); |
| if (argc < 1) |
| usage_with_options(ls_tree_usage, ls_tree_options); |
| if (get_oid(argv[0], &oid)) |
| die("Not a valid object name %s", argv[0]); |
| |
| /* |
| * show_recursive() rolls its own matching code and is |
| * generally ignorant of 'struct pathspec'. The magic mask |
| * cannot be lifted until it is converted to use |
| * match_pathspec() or tree_entry_interesting() |
| */ |
| parse_pathspec(&pathspec, PATHSPEC_ALL_MAGIC & |
| ~(PATHSPEC_FROMTOP | PATHSPEC_LITERAL), |
| PATHSPEC_PREFER_CWD, |
| prefix, argv + 1); |
| for (i = 0; i < pathspec.nr; i++) |
| pathspec.items[i].nowildcard_len = pathspec.items[i].len; |
| pathspec.has_wildcard = 0; |
| tree = parse_tree_indirect(&oid); |
| if (!tree) |
| die("not a tree object"); |
| /* |
| * The generic show_tree_fmt() is slower than show_tree(), so |
| * take the fast path if possible. |
| */ |
| while (m2f) { |
| if (!m2f->fmt) { |
| fn = format ? show_tree_fmt : show_tree_default; |
| } else if (format && !strcmp(format, m2f->fmt)) { |
| cmdmode = m2f->mode; |
| fn = m2f->fn; |
| } else if (!format && cmdmode == m2f->mode) { |
| fn = m2f->fn; |
| } else { |
| m2f++; |
| continue; |
| } |
| break; |
| } |
| |
| return !!read_tree(the_repository, tree, &pathspec, fn, NULL); |
| } |