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Re: [PATCH] merge: indicate remote tracking branches in merge message

From
Jeff King <peff@peff.net>
Date
Aug 9, 2009, 07:14 UTC
Message-ID
<20090809071446.GA24221@coredump.intra.peff.net>
In-Reply-To
<20090809065936.GA24112@coredump.intra.peff.net>
On Sun, Aug 09, 2009 at 02:59:36AM -0400, Jeff King wrote:
Show 7 quoted lines
> This is a repost of
> 
>   http://article.gmane.org/gmane.comp.version-control.git/119909
> 
> which got no response from you. I think it is a good idea, but I am not
> deeply committed to it. I mainly want a yes or no so I can clean it out
> of my patch queue.

Ah, it may have had to do with the fact that it doesn't actually pass the tests. There is a trivial text update needed in t3409, which calls "git merge origin/master" during its setup phase.

Updated, passing-all-tests patch is below. Sorry for the confusion.
-- >8 --
Subject: [PATCH] merge: indicate remote tracking branches in merge message

Previously when merging directly from a local tracking branch like:

  git merge origin/master
The merge message said:
   Merge commit 'origin/master'
     * commit 'origin/master':
       ...
Instead, let's be more explicit about what we are merging:
   Merge remote branch 'origin/master'
     * origin/master:
       ...

We accomplish this by recognizing remote tracking branches in git-merge when we build the simulated FETCH_HEAD output that we feed to fmt-merge-msg.

Signed-off-by: Jeff King <peff@peff.net>
---
 builtin-merge.c                   |   11 +++++++++++
 t/t3409-rebase-preserve-merges.sh |    2 +-
 2 files changed, 12 insertions(+), 1 deletions(-)
diff --git a/builtin-merge.c b/builtin-merge.c
index 82b5466..1f59567 100644
--- a/builtin-merge.c
+++ b/builtin-merge.c
@@ -378,6 +378,17 @@ static void merge_name(const char *remote, struct strbuf *msg)
 		goto cleanup;
 	}
 
+	strbuf_setlen(&buf, 0);
+	strbuf_addstr(&buf, "refs/remotes/");
+	strbuf_addstr(&buf, remote);
+	resolve_ref(buf.buf, branch_head, 0, 0);
+
+	if (!hashcmp(remote_head->sha1, branch_head)) {
+		strbuf_addf(msg, "%s\t\tremote branch '%s' of .\n",
+				sha1_to_hex(branch_head), remote);
+		goto cleanup;
+	}
+
 	/* See if remote matches <name>^^^.. or <name>~<number> */
 	for (len = 0, ptr = remote + strlen(remote);
 	     remote < ptr && ptr[-1] == '^';
diff --git a/t/t3409-rebase-preserve-merges.sh b/t/t3409-rebase-preserve-merges.sh
index e6c8327..2ce0236 100755
--- a/t/t3409-rebase-preserve-merges.sh
+++ b/t/t3409-rebase-preserve-merges.sh
@@ -71,7 +71,7 @@ test_expect_success 'rebase -p fakes interactive rebase' '
 	git fetch &&
 	git rebase -p origin/topic &&
 	test 1 = $(git rev-list --all --pretty=oneline | grep "Modify A" | wc -l) &&
-	test 1 = $(git rev-list --all --pretty=oneline | grep "Merge commit" | wc -l)
+	test 1 = $(git rev-list --all --pretty=oneline | grep "Merge remote branch" | wc -l)
 	)
 '
 
-- 
1.6.4.178.g7a987
Previous: Jeff KingNext: Junio C Hamano
Message 2 of 12 in “merge: indicate remote tracking branches in merge message”
  1. merge: indicate remote tracking branches in merge messageJeff King, Aug 9, 2009
  2. Jeff KingAug 9, 2009
  3. Junio C HamanoAug 9, 2009
  4. Jeff KingAug 9, 2009
  5. Jeff KingAug 9, 2009
  6. Jeff KingAug 9, 2009
  7. 1/3 add tests for merge message headingsJeff King, Aug 9, 2009
  8. 2/3 merge: fix incorrect merge message for ambiguous tag/branchJeff King, Aug 9, 2009
  9. 3/3 merge: indicate remote tracking branches in merge messageJeff King, Aug 9, 2009
  10. Jeff KingAug 9, 2009
  11. Junio C HamanoAug 9, 2009
  12. Jeff KingAug 9, 2009

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