diff options
Diffstat (limited to 'sha1_name.c')
-rw-r--r-- | sha1_name.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/sha1_name.c b/sha1_name.c index 892db21813..d0f844db89 100644 --- a/sha1_name.c +++ b/sha1_name.c @@ -848,8 +848,12 @@ static int get_sha1_1(const char *name, int len, unsigned char *sha1, unsigned l * through history and returning the first commit whose message starts * the given regular expression. * - * For future extension, ':/!' is reserved. If you want to match a message - * beginning with a '!', you have to repeat the exclamation mark. + * For negative-matching, prefix the pattern-part with '!-', like: ':/!-WIP'. + * + * For a literal '!' character at the beginning of a pattern, you have to repeat + * that, like: ':/!!foo' + * + * For future extension, all other sequences beginning with ':/!' are reserved. */ /* Remember to update object flag allocation in object.h */ @@ -878,16 +882,22 @@ static int get_sha1_oneline(const char *prefix, unsigned char *sha1, { struct commit_list *backup = NULL, *l; int found = 0; + int negative = 0; regex_t regex; if (prefix[0] == '!') { - if (prefix[1] != '!') - die ("Invalid search pattern: %s", prefix); prefix++; + + if (prefix[0] == '-') { + prefix++; + negative = 1; + } else if (prefix[0] != '!') { + return -1; + } } if (regcomp(®ex, prefix, REG_EXTENDED)) - die("Invalid search pattern: %s", prefix); + return -1; for (l = list; l; l = l->next) { l->item->object.flags |= ONELINE_SEEN; @@ -903,7 +913,7 @@ static int get_sha1_oneline(const char *prefix, unsigned char *sha1, continue; buf = get_commit_buffer(commit, NULL); p = strstr(buf, "\n\n"); - matches = p && !regexec(®ex, p + 2, 0, NULL, 0); + matches = negative ^ (p && !regexec(®ex, p + 2, 0, NULL, 0)); unuse_commit_buffer(commit, buf); if (matches) { |