diff options
Diffstat (limited to 'builtin-log.c')
| -rw-r--r-- | builtin-log.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/builtin-log.c b/builtin-log.c index 7e5cab15c1..1f1074cec6 100644 --- a/builtin-log.c +++ b/builtin-log.c @@ -226,6 +226,17 @@ static void get_patch_ids(struct rev_info *rev, struct diff_options *options) o2->flags = flags2; } +static void gen_message_id(char *dest, unsigned int length, char *base) +{ + const char *committer = git_committer_info(1); + const char *email_start = strrchr(committer, '<'); + const char *email_end = strrchr(committer, '>'); + if(!email_start || !email_end || email_start > email_end - 1) + die("Could not extract email from committer identity."); + snprintf(dest, length, "%s.%u.git.%.*s", base, time(NULL), + email_end - email_start - 1, email_start + 1); +} + int cmd_format_patch(int argc, const char **argv, char **envp) { struct commit *commit; @@ -239,6 +250,8 @@ int cmd_format_patch(int argc, const char **argv, char **envp) int ignore_if_in_upstream = 0; struct diff_options patch_id_opts; char *add_signoff = NULL; + char message_id[1024]; + char ref_message_id[1024]; git_config(git_format_config); init_revisions(&rev); @@ -365,6 +378,16 @@ int cmd_format_patch(int argc, const char **argv, char **envp) int shown; commit = list[nr]; rev.nr = total - nr + (start_number - 1); + /* Make the second and subsequent mails replies to the first */ + if (nr == (total - 2)) { + strncpy(ref_message_id, message_id, + sizeof(ref_message_id)); + ref_message_id[sizeof(ref_message_id)-1] = '\0'; + rev.ref_message_id = ref_message_id; + } + gen_message_id(message_id, sizeof(message_id), + sha1_to_hex(commit->object.sha1)); + rev.message_id = message_id; if (!use_stdout) reopen_stdout(commit, rev.nr, keep_subject); shown = log_tree_commit(&rev, commit); |