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-rw-r--r--commit.c128
1 files changed, 77 insertions, 51 deletions
diff --git a/commit.c b/commit.c
index ae7f2b1..a54cb9a 100644
--- a/commit.c
+++ b/commit.c
@@ -584,25 +584,19 @@ define_commit_slab(author_date_slab, unsigned long);
static void record_author_date(struct author_date_slab *author_date,
struct commit *commit)
{
- const char *buf, *line_end, *ident_line;
const char *buffer = get_commit_buffer(commit, NULL);
struct ident_split ident;
+ const char *ident_line;
+ size_t ident_len;
char *date_end;
unsigned long date;
- for (buf = buffer; buf; buf = line_end + 1) {
- line_end = strchrnul(buf, '\n');
- if (!skip_prefix(buf, "author ", &ident_line)) {
- if (!line_end[0] || line_end[1] == '\n')
- return; /* end of header */
- continue;
- }
- if (split_ident_line(&ident,
- ident_line, line_end - ident_line) ||
- !ident.date_begin || !ident.date_end)
- goto fail_exit; /* malformed "author" line */
- break;
- }
+ ident_line = find_commit_header(buffer, "author", &ident_len);
+ if (!ident_line)
+ goto fail_exit; /* no author line */
+ if (split_ident_line(&ident, ident_line, ident_len) ||
+ !ident.date_begin || !ident.date_end)
+ goto fail_exit; /* malformed "author" line */
date = strtoul(ident.date_begin, &date_end, 10);
if (date_end != ident.date_end)
@@ -1220,43 +1214,7 @@ free_return:
free(buf);
}
-static struct {
- char result;
- const char *check;
-} sigcheck_gpg_status[] = {
- { 'G', "\n[GNUPG:] GOODSIG " },
- { 'B', "\n[GNUPG:] BADSIG " },
- { 'U', "\n[GNUPG:] TRUST_NEVER" },
- { 'U', "\n[GNUPG:] TRUST_UNDEFINED" },
-};
-
-static void parse_gpg_output(struct signature_check *sigc)
-{
- const char *buf = sigc->gpg_status;
- int i;
-
- /* Iterate over all search strings */
- for (i = 0; i < ARRAY_SIZE(sigcheck_gpg_status); i++) {
- const char *found, *next;
-
- if (!skip_prefix(buf, sigcheck_gpg_status[i].check + 1, &found)) {
- found = strstr(buf, sigcheck_gpg_status[i].check);
- if (!found)
- continue;
- found += strlen(sigcheck_gpg_status[i].check);
- }
- sigc->result = sigcheck_gpg_status[i].result;
- /* The trust messages are not followed by key/signer information */
- if (sigc->result != 'U') {
- sigc->key = xmemdupz(found, 16);
- found += 17;
- next = strchrnul(found, '\n');
- sigc->signer = xmemdupz(found, next - found);
- }
- }
-}
-
-void check_commit_signature(const struct commit* commit, struct signature_check *sigc)
+void check_commit_signature(const struct commit *commit, struct signature_check *sigc)
{
struct strbuf payload = STRBUF_INIT;
struct strbuf signature = STRBUF_INIT;
@@ -1660,3 +1618,71 @@ void print_commit_list(struct commit_list *list,
printf(format, sha1_to_hex(list->item->object.sha1));
}
}
+
+const char *find_commit_header(const char *msg, const char *key, size_t *out_len)
+{
+ int key_len = strlen(key);
+ const char *line = msg;
+
+ while (line) {
+ const char *eol = strchrnul(line, '\n');
+
+ if (line == eol)
+ return NULL;
+
+ if (eol - line > key_len &&
+ !strncmp(line, key, key_len) &&
+ line[key_len] == ' ') {
+ *out_len = eol - line - key_len - 1;
+ return line + key_len + 1;
+ }
+ line = *eol ? eol + 1 : NULL;
+ }
+ return NULL;
+}
+
+/*
+ * Inspect sb and determine the true "end" of the log message, in
+ * order to find where to put a new Signed-off-by: line. Ignored are
+ * trailing comment lines and blank lines, and also the traditional
+ * "Conflicts:" block that is not commented out, so that we can use
+ * "git commit -s --amend" on an existing commit that forgot to remove
+ * it.
+ *
+ * Returns the number of bytes from the tail to ignore, to be fed as
+ * the second parameter to append_signoff().
+ */
+int ignore_non_trailer(struct strbuf *sb)
+{
+ int boc = 0;
+ int bol = 0;
+ int in_old_conflicts_block = 0;
+
+ while (bol < sb->len) {
+ char *next_line;
+
+ if (!(next_line = memchr(sb->buf + bol, '\n', sb->len - bol)))
+ next_line = sb->buf + sb->len;
+ else
+ next_line++;
+
+ if (sb->buf[bol] == comment_line_char || sb->buf[bol] == '\n') {
+ /* is this the first of the run of comments? */
+ if (!boc)
+ boc = bol;
+ /* otherwise, it is just continuing */
+ } else if (starts_with(sb->buf + bol, "Conflicts:\n")) {
+ in_old_conflicts_block = 1;
+ if (!boc)
+ boc = bol;
+ } else if (in_old_conflicts_block && sb->buf[bol] == '\t') {
+ ; /* a pathname in the conflicts block */
+ } else if (boc) {
+ /* the previous was not trailing comment */
+ boc = 0;
+ in_old_conflicts_block = 0;
+ }
+ bol = next_line - sb->buf;
+ }
+ return boc ? sb->len - boc : 0;
+}