git notes merge: List conflicting notes in notes merge commit message

This brings notes merge in line with regular merge's behaviour.

This patch has been improved by the following contributions:
- Ævar Arnfjörð Bjarmason: Don't use C99 comments.

Thanks-to: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Johan Herland <johan@herland.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/notes.c b/builtin/notes.c
index b5385238eada5b05351c3587483f92824f7ca68d..ee1df7030caceb9ffe2f0500698e7fa95dd196f3 100644 (file)
--- a/builtin/notes.c
+++ b/builtin/notes.c
@@ -902,7 +902,7 @@ static int merge(int argc, const char **argv, const char *prefix)
 
        strbuf_addf(&msg, "notes: Merged notes from %s into %s",
                    remote_ref.buf, default_notes_ref());
-       o.commit_msg = msg.buf + 7; // skip "notes: " prefix
+       strbuf_add(&(o.commit_msg), msg.buf + 7, msg.len - 7); /* skip "notes: " */
 
        result = notes_merge(&o, t, result_sha1);
 

diff --git a/notes-merge.c b/notes-merge.c
index a2feab6d1bb7821329bc976b1cd7682e61191f86..459b1c2bf2c4e8a849f9860430bc643a6152b9f5 100644 (file)
--- a/notes-merge.c
+++ b/notes-merge.c
@@ -8,6 +8,7 @@
 #include "dir.h"
 #include "notes.h"
 #include "notes-merge.h"
+#include "strbuf.h"
 
 struct notes_merge_pair {
        unsigned char obj[20], base[20], local[20], remote[20];
@@ -16,6 +17,7 @@ struct notes_merge_pair {
 void init_notes_merge_options(struct notes_merge_options *o)
 {
        memset(o, 0, sizeof(struct notes_merge_options));
+       strbuf_init(&(o->commit_msg), 0);
        o->verbosity = NOTES_MERGE_VERBOSITY_DEFAULT;
 }
 
@@ -384,6 +386,12 @@ static int merge_one_change_manual(struct notes_merge_options *o,
               sha1_to_hex(p->obj), sha1_to_hex(p->base),
               sha1_to_hex(p->local), sha1_to_hex(p->remote));
 
+       /* add "Conflicts:" section to commit message first time through */
+       if (!o->has_worktree)
+               strbuf_addstr(&(o->commit_msg), "\n\nConflicts:\n");
+
+       strbuf_addf(&(o->commit_msg), "\t%s\n", sha1_to_hex(p->obj));
+
        OUTPUT(o, 2, "Auto-merging notes for %s", sha1_to_hex(p->obj));
        check_notes_merge_worktree(o);
        if (is_null_sha1(p->local)) {
@@ -640,12 +648,13 @@ int notes_merge(struct notes_merge_options *o,
                struct commit_list *parents = NULL;
                commit_list_insert(remote, &parents); /* LIFO order */
                commit_list_insert(local, &parents);
-               create_notes_commit(local_tree, parents, o->commit_msg,
+               create_notes_commit(local_tree, parents, o->commit_msg.buf,
                                    result_sha1);
        }
 
 found_result:
        free_commit_list(bases);
+       strbuf_release(&(o->commit_msg));
        trace_printf("notes_merge(): result = %i, result_sha1 = %.7s\n",
               result, sha1_to_hex(result_sha1));
        return result;

diff --git a/notes-merge.h b/notes-merge.h
index aa756931a5720aab8526e4c9ba746113783b50ae..195222f9dad9c245c152eef1871f579dc470f6f4 100644 (file)
--- a/notes-merge.h
+++ b/notes-merge.h
@@ -11,7 +11,7 @@ enum notes_merge_verbosity {
 struct notes_merge_options {
        const char *local_ref;
        const char *remote_ref;
-       const char *commit_msg;
+       struct strbuf commit_msg;
        int verbosity;
        enum {
                NOTES_MERGE_RESOLVE_MANUAL = 0,

diff --git a/t/t3310-notes-merge-manual-resolve.sh b/t/t3310-notes-merge-manual-resolve.sh
index 0ec315aa9ba2f98fa281104d0d9f214c11aeadab..287fab82d71741d8068ee6f42d6e13e9a4eb52ec 100755 (executable)
--- a/t/t3310-notes-merge-manual-resolve.sh
+++ b/t/t3310-notes-merge-manual-resolve.sh
@@ -333,6 +333,12 @@ EOF
        git log -1 --format=%B refs/notes/m > merge_commit_msg &&
        grep -q refs/notes/m merge_commit_msg &&
        grep -q refs/notes/z merge_commit_msg &&
+       # Merge commit mentions conflicting notes
+       grep -q "Conflicts" merge_commit_msg &&
+       ( for sha1 in $(cat expect_conflicts); do
+               grep -q "$sha1" merge_commit_msg ||
+               exit 1
+       done ) &&
        # Verify contents of merge result
        verify_notes m &&
        # Verify that other notes refs has not changed (w, x, y and z)
@@ -456,6 +462,12 @@ EOF
        git log -1 --format=%B refs/notes/m > merge_commit_msg &&
        grep -q refs/notes/m merge_commit_msg &&
        grep -q refs/notes/z merge_commit_msg &&
+       # Merge commit mentions conflicting notes
+       grep -q "Conflicts" merge_commit_msg &&
+       ( for sha1 in $(cat expect_conflicts); do
+               grep -q "$sha1" merge_commit_msg ||
+               exit 1
+       done ) &&
        # Verify contents of merge result
        verify_notes m &&
        # Verify that other notes refs has not changed (w, x, y and z)