diff options
| -rw-r--r-- | refs.c | 44 |
1 files changed, 28 insertions, 16 deletions
@@ -1036,6 +1036,32 @@ void unlock_ref(struct ref_lock *lock) free(lock); } +/* + * copy the reflog message msg to buf, which has been allocated sufficiently + * large, while cleaning up the whitespaces. Especially, convert LF to space, + * because reflog file is one line per entry. + */ +static int copy_msg(char *buf, const char *msg) +{ + char *cp = buf; + char c; + int wasspace = 1; + + *cp++ = '\t'; + while ((c = *msg++)) { + if (wasspace && isspace(c)) + continue; + wasspace = isspace(c); + if (wasspace) + c = ' '; + *cp++ = c; + } + while (buf < cp && isspace(cp[-1])) + cp--; + *cp++ = '\n'; + return cp - buf; +} + static int log_ref_write(const char *ref_name, const unsigned char *old_sha1, const unsigned char *new_sha1, const char *msg) { @@ -1080,21 +1106,7 @@ static int log_ref_write(const char *ref_name, const unsigned char *old_sha1, adjust_shared_perm(log_file); - msglen = 0; - if (msg) { - /* clean up the message and make sure it is a single line */ - for ( ; *msg; msg++) - if (!isspace(*msg)) - break; - if (*msg) { - const char *ep = strchr(msg, '\n'); - if (ep) - msglen = ep - msg; - else - msglen = strlen(msg); - } - } - + msglen = msg ? strlen(msg) : 0; committer = git_committer_info(-1); maxlen = strlen(committer) + msglen + 100; logrec = xmalloc(maxlen); @@ -1103,7 +1115,7 @@ static int log_ref_write(const char *ref_name, const unsigned char *old_sha1, sha1_to_hex(new_sha1), committer); if (msglen) - len += sprintf(logrec + len - 1, "\t%.*s\n", msglen, msg) - 1; + len += copy_msg(logrec + len - 1, msg) - 1; written = len <= maxlen ? write_in_full(logfd, logrec, len) : -1; free(logrec); if (close(logfd) != 0 || written != len) |