add read_author_script() to libgit
Add read_author_script() to sequencer.c based on the implementation in
builtin/am.c and update read_am_author_script() to use
read_author_script(). The sequencer code that reads the author script
will be updated in the next commit.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/builtin/am.c b/builtin/am.c
index c78a745..8368518 100644
--- a/builtin/am.c
+++ b/builtin/am.c
@@ -261,36 +261,6 @@ static int read_state_file(struct strbuf *sb, const struct am_state *state,
}
/**
- * Take a series of KEY='VALUE' lines where VALUE part is
- * sq-quoted, and append <KEY, VALUE> at the end of the string list
- */
-static int parse_key_value_squoted(char *buf, struct string_list *list)
-{
- while (*buf) {
- struct string_list_item *item;
- char *np;
- char *cp = strchr(buf, '=');
- if (!cp) {
- np = strchrnul(buf, '\n');
- return error(_("unable to parse '%.*s'"),
- (int) (np - buf), buf);
- }
- np = strchrnul(cp, '\n');
- *cp++ = '\0';
- item = string_list_append(list, buf);
-
- buf = np + (*np == '\n');
- *np = '\0';
- cp = sq_dequote(cp);
- if (!cp)
- return error(_("unable to dequote value of '%s'"),
- item->string);
- item->util = xstrdup(cp);
- }
- return 0;
-}
-
-/**
* Reads and parses the state directory's "author-script" file, and sets
* state->author_name, state->author_email and state->author_date accordingly.
* Returns 0 on success, -1 if the file could not be parsed.
@@ -309,65 +279,13 @@ static int parse_key_value_squoted(char *buf, struct string_list *list)
static int read_am_author_script(struct am_state *state)
{
const char *filename = am_path(state, "author-script");
- struct strbuf buf = STRBUF_INIT;
- struct string_list kv = STRING_LIST_INIT_DUP;
- int retval = -1; /* assume failure */
- int i, name_i = -2, email_i = -2, date_i = -2, err = 0;
- int fd;
assert(!state->author_name);
assert(!state->author_email);
assert(!state->author_date);
- fd = open(filename, O_RDONLY);
- if (fd < 0) {
- if (errno == ENOENT)
- return 0;
- return error_errno(_("could not open '%s' for reading"),
- filename);
- }
- strbuf_read(&buf, fd, 0);
- close(fd);
- if (parse_key_value_squoted(buf.buf, &kv))
- goto finish;
-
- for (i = 0; i < kv.nr; i++) {
- if (!strcmp(kv.items[i].string, "GIT_AUTHOR_NAME")) {
- if (name_i != -2)
- name_i = error(_("'GIT_AUTHOR_NAME' already given"));
- else
- name_i = i;
- } else if (!strcmp(kv.items[i].string, "GIT_AUTHOR_EMAIL")) {
- if (email_i != -2)
- email_i = error(_("'GIT_AUTHOR_EMAIL' already given"));
- else
- email_i = i;
- } else if (!strcmp(kv.items[i].string, "GIT_AUTHOR_DATE")) {
- if (date_i != -2)
- date_i = error(_("'GIT_AUTHOR_DATE' already given"));
- else
- date_i = i;
- } else {
- err = error(_("unknown variable '%s'"),
- kv.items[i].string);
- }
- }
- if (name_i == -2)
- error(_("missing 'GIT_AUTHOR_NAME'"));
- if (email_i == -2)
- error(_("missing 'GIT_AUTHOR_EMAIL'"));
- if (date_i == -2)
- error(_("missing 'GIT_AUTHOR_DATE'"));
- if (date_i < 0 || email_i < 0 || date_i < 0 || err)
- goto finish;
- state->author_name = kv.items[name_i].util;
- state->author_email = kv.items[email_i].util;
- state->author_date = kv.items[date_i].util;
- retval = 0;
-finish:
- string_list_clear(&kv, !!retval);
- strbuf_release(&buf);
- return retval;
+ return read_author_script(filename, &state->author_name,
+ &state->author_email, &state->author_date, 1);
}
/**
