Re: Bug: Incorrect stripping of the [PATCH] prefix in git-am

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Am 25.11.2015 um 16:29 schrieb huebbe:
> Description:
> 
> When applying a patch created via `git format-patch` with `git am`,
> any prefix of the commit message that's within square brackets is stripped from the commit message.

As advertised in the man page of 'git am' (or 'git mailinfo' that is).

Is 'git am --keep-non-patch' what you're looking for ?

> 
> 
> Reproduction:
> 
>     $ git log --oneline --decorate --graph --all
>     * b41514b (HEAD) [baz] baz
>     | * 5e31740 (master) [bar] bar
>     |/
>     * aaf5d34 [foo] foo
>     $ git format-patch aaf5d34
>     $ git checkout master
>     $ git am 0001-baz-baz.patch
>     $ git log --oneline --decorate --graph --all
>     * d5161b8 (HEAD, master) baz
>     * 5e31740 [bar] bar
>     * aaf5d34 [foo] foo
> 
> I have omitted all output except for the `git log` output for brevity.
> As you can see, the commit resulting from `git am` has lost the "[bar]" prefix from its commit message.
> 
> Looking at the patch,
> 
>     $ cat 0001-baz-baz.patch
>     From b41514be8a70fd44052bff0d3ce720373ec9cfd8 Mon Sep 17 00:00:00 2001
>     From: Nathanael Huebbe <nathanael.huebbe@xxxxxxxxxxxxxxxxxxxxxxxxx>
>     Date: Wed, 25 Nov 2015 15:28:09 +0100
>     Subject: [PATCH] [baz] baz
> 
>     ---
>      baz | 1 +
>      1 file changed, 1 insertion(+)
>      create mode 100644 baz
> 
>     diff --git a/baz b/baz
>     new file mode 100644
>     index 0000000..7601807
>     --- /dev/null
>     +++ b/baz
>     @@ -0,0 +1 @@
>     +baz
>     --
>     2.1.4
> 
> I see that the commit message contains the "[PATCH]"-prefix that `git am` is supposed to strip,
> yet it seems to incorrectly continue to also strip the "[baz]"-prefix.
> 
> 
> Affected versions:
> I have reproduced the bug with versions 1.9.1, 2.1.4, and 2.6.3
> 
> 
> Severity:
> While I do not consider this a high priority bug, it becomes quite irksome in some workflows.
> In my case, an upstream `svn` repository has the policy of using "[branch-name]" prefixes
> to the commit messages, which are stripped whenever I transplant a commit using the
> `git format-patch`/`git am` combination.
> 
> 
> 

HTH,
  Stefan
-- 
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