diff options
| -rw-r--r-- | Documentation/git-merge.txt | 7 | ||||
| -rw-r--r-- | builtin.h | 1 | ||||
| -rw-r--r-- | builtin/fmt-merge-msg.c | 76 | ||||
| -rw-r--r-- | builtin/merge.c | 20 | ||||
| -rwxr-xr-x | t/t7604-merge-custom-message.sh | 24 |
5 files changed, 87 insertions, 41 deletions
diff --git a/Documentation/git-merge.txt b/Documentation/git-merge.txt index c2325ef90e..84043cc5b2 100644 --- a/Documentation/git-merge.txt +++ b/Documentation/git-merge.txt @@ -58,7 +58,12 @@ include::merge-options.txt[] -m <msg>:: Set the commit message to be used for the merge commit (in - case one is created). The 'git fmt-merge-msg' command can be + case one is created). + + If `--log` is specified, a shortlog of the commits being merged + will be appended to the specified message. + + The 'git fmt-merge-msg' command can be used to give a good default for automated 'git merge' invocations. @@ -16,6 +16,7 @@ extern const char *help_unknown_cmd(const char *cmd); extern void prune_packed_objects(int); extern int fmt_merge_msg(int merge_summary, struct strbuf *in, struct strbuf *out); +extern int fmt_merge_msg_shortlog(struct strbuf *in, struct strbuf *out); extern int commit_notes(struct notes_tree *t, const char *msg); struct notes_rewrite_cfg { diff --git a/builtin/fmt-merge-msg.c b/builtin/fmt-merge-msg.c index 379a03131f..44204257c7 100644 --- a/builtin/fmt-merge-msg.c +++ b/builtin/fmt-merge-msg.c @@ -202,35 +202,10 @@ static void shortlog(const char *name, unsigned char *sha1, string_list_clear(&subjects, 0); } -int fmt_merge_msg(int merge_summary, struct strbuf *in, struct strbuf *out) { - int limit = 20, i = 0, pos = 0; +static void do_fmt_merge_msg_title(struct strbuf *out, + const char *current_branch) { + int i = 0; char *sep = ""; - unsigned char head_sha1[20]; - const char *current_branch; - - /* get current branch */ - current_branch = resolve_ref("HEAD", head_sha1, 1, NULL); - if (!current_branch) - die("No current branch"); - if (!prefixcmp(current_branch, "refs/heads/")) - current_branch += 11; - - /* get a line */ - while (pos < in->len) { - int len; - char *newline, *p = in->buf + pos; - - newline = strchr(p, '\n'); - len = newline ? newline - p : strlen(p); - pos += len + !!newline; - i++; - p[len] = 0; - if (handle_line(p)) - die ("Error in line %d: %.*s", i, len, p); - } - - if (!srcs.nr) - return 0; strbuf_addstr(out, "Merge "); for (i = 0; i < srcs.nr; i++) { @@ -278,6 +253,40 @@ int fmt_merge_msg(int merge_summary, struct strbuf *in, struct strbuf *out) { strbuf_addch(out, '\n'); else strbuf_addf(out, " into %s\n", current_branch); +} + +static int do_fmt_merge_msg(int merge_title, int merge_summary, + struct strbuf *in, struct strbuf *out) { + int limit = 20, i = 0, pos = 0; + unsigned char head_sha1[20]; + const char *current_branch; + + /* get current branch */ + current_branch = resolve_ref("HEAD", head_sha1, 1, NULL); + if (!current_branch) + die("No current branch"); + if (!prefixcmp(current_branch, "refs/heads/")) + current_branch += 11; + + /* get a line */ + while (pos < in->len) { + int len; + char *newline, *p = in->buf + pos; + + newline = strchr(p, '\n'); + len = newline ? newline - p : strlen(p); + pos += len + !!newline; + i++; + p[len] = 0; + if (handle_line(p)) + die ("Error in line %d: %.*s", i, len, p); + } + + if (!srcs.nr) + return 0; + + if (merge_title) + do_fmt_merge_msg_title(out, current_branch); if (merge_summary) { struct commit *head; @@ -289,6 +298,9 @@ int fmt_merge_msg(int merge_summary, struct strbuf *in, struct strbuf *out) { rev.ignore_merges = 1; rev.limited = 1; + if (suffixcmp(out->buf, "\n")) + strbuf_addch(out, '\n'); + for (i = 0; i < origins.nr; i++) shortlog(origins.items[i].string, origins.items[i].util, head, &rev, limit, out); @@ -296,6 +308,14 @@ int fmt_merge_msg(int merge_summary, struct strbuf *in, struct strbuf *out) { return 0; } +int fmt_merge_msg(int merge_summary, struct strbuf *in, struct strbuf *out) { + return do_fmt_merge_msg(1, merge_summary, in, out); +} + +int fmt_merge_msg_shortlog(struct strbuf *in, struct strbuf *out) { + return do_fmt_merge_msg(0, 1, in, out); +} + int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix) { const char *inpath = NULL; diff --git a/builtin/merge.c b/builtin/merge.c index 37d414b3ba..37ce4f589f 100644 --- a/builtin/merge.c +++ b/builtin/merge.c @@ -982,7 +982,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) reset_hard(remote_head->sha1, 0); return 0; } else { - struct strbuf msg = STRBUF_INIT; + struct strbuf merge_names = STRBUF_INIT; /* We are invoked directly as the first-class UI. */ head_arg = "HEAD"; @@ -995,13 +995,17 @@ int cmd_merge(int argc, const char **argv, const char *prefix) * codepath so we discard the error in this * loop. */ - if (!have_message) { - for (i = 0; i < argc; i++) - merge_name(argv[i], &msg); - fmt_merge_msg(option_log, &msg, &merge_msg); - if (merge_msg.len) - strbuf_setlen(&merge_msg, merge_msg.len-1); - } + for (i = 0; i < argc; i++) + merge_name(argv[i], &merge_names); + + if (have_message && option_log) + fmt_merge_msg_shortlog(&merge_names, &merge_msg); + else if (!have_message) + fmt_merge_msg(option_log, &merge_names, &merge_msg); + + + if (!(have_message && !option_log) && merge_msg.len) + strbuf_setlen(&merge_msg, merge_msg.len-1); } if (head_invalid || !argc) diff --git a/t/t7604-merge-custom-message.sh b/t/t7604-merge-custom-message.sh index 269cfdf267..9114785ef7 100755 --- a/t/t7604-merge-custom-message.sh +++ b/t/t7604-merge-custom-message.sh @@ -6,6 +6,15 @@ Testing merge when using a custom message for the merge commit.' . ./test-lib.sh +create_merge_msgs() { + echo >exp.subject "custom message" + + cp exp.subject exp.log && + echo >>exp.log "" && + echo >>exp.log "* commit 'c2':" && + echo >>exp.log " c2" +} + test_expect_success 'setup' ' echo c0 > c0.c && git add c0.c && @@ -19,16 +28,23 @@ test_expect_success 'setup' ' echo c2 > c2.c && git add c2.c && git commit -m c2 && - git tag c2 + git tag c2 && + create_merge_msgs ' test_expect_success 'merge c2 with a custom message' ' git reset --hard c1 && - echo >expected "custom message" && - git merge -m "custom message" c2 && + git merge -m "$(cat exp.subject)" c2 && + git cat-file commit HEAD | sed -e "1,/^$/d" >actual && + test_cmp exp.subject actual +' + +test_expect_success 'merge --log appends to custom message' ' + git reset --hard c1 && + git merge --log -m "$(cat exp.subject)" c2 && git cat-file commit HEAD | sed -e "1,/^$/d" >actual && - test_cmp expected actual + test_cmp exp.log actual ' test_done |