am: support --patch-format=mboxrd
Combined with "git format-patch --pretty=mboxrd", this should
allow us to round-trip commit messages with embedded mbox
"From " lines without corruption.
Signed-off-by: Eric Wong <e@80x24.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/Documentation/git-am.txt b/Documentation/git-am.txt
index 13cdd7f..6348c29 100644
--- a/Documentation/git-am.txt
+++ b/Documentation/git-am.txt
@@ -116,7 +116,8 @@
By default the command will try to detect the patch format
automatically. This option allows the user to bypass the automatic
detection and specify the patch format that the patch(es) should be
- interpreted as. Valid formats are mbox, stgit, stgit-series and hg.
+ interpreted as. Valid formats are mbox, mboxrd,
+ stgit, stgit-series and hg.
-i::
--interactive::
diff --git a/builtin/am.c b/builtin/am.c
index 3dfe70b..d5da5fe 100644
--- a/builtin/am.c
+++ b/builtin/am.c
@@ -70,7 +70,8 @@
PATCH_FORMAT_MBOX,
PATCH_FORMAT_STGIT,
PATCH_FORMAT_STGIT_SERIES,
- PATCH_FORMAT_HG
+ PATCH_FORMAT_HG,
+ PATCH_FORMAT_MBOXRD
};
enum keep_type {
@@ -712,7 +713,8 @@
* Splits out individual email patches from `paths`, where each path is either
* a mbox file or a Maildir. Returns 0 on success, -1 on failure.
*/
-static int split_mail_mbox(struct am_state *state, const char **paths, int keep_cr)
+static int split_mail_mbox(struct am_state *state, const char **paths,
+ int keep_cr, int mboxrd)
{
struct child_process cp = CHILD_PROCESS_INIT;
struct strbuf last = STRBUF_INIT;
@@ -724,6 +726,8 @@
argv_array_push(&cp.args, "-b");
if (keep_cr)
argv_array_push(&cp.args, "--keep-cr");
+ if (mboxrd)
+ argv_array_push(&cp.args, "--mboxrd");
argv_array_push(&cp.args, "--");
argv_array_pushv(&cp.args, paths);
@@ -965,13 +969,15 @@
switch (patch_format) {
case PATCH_FORMAT_MBOX:
- return split_mail_mbox(state, paths, keep_cr);
+ return split_mail_mbox(state, paths, keep_cr, 0);
case PATCH_FORMAT_STGIT:
return split_mail_conv(stgit_patch_to_mail, state, paths, keep_cr);
case PATCH_FORMAT_STGIT_SERIES:
return split_mail_stgit_series(state, paths, keep_cr);
case PATCH_FORMAT_HG:
return split_mail_conv(hg_patch_to_mail, state, paths, keep_cr);
+ case PATCH_FORMAT_MBOXRD:
+ return split_mail_mbox(state, paths, keep_cr, 1);
default:
die("BUG: invalid patch_format");
}
@@ -2201,6 +2207,8 @@
*opt_value = PATCH_FORMAT_STGIT_SERIES;
else if (!strcmp(arg, "hg"))
*opt_value = PATCH_FORMAT_HG;
+ else if (!strcmp(arg, "mboxrd"))
+ *opt_value = PATCH_FORMAT_MBOXRD;
else
return error(_("Invalid value for --patch-format: %s"), arg);
return 0;
diff --git a/t/t4150-am.sh b/t/t4150-am.sh
index b41bd17..9ce9424 100755
--- a/t/t4150-am.sh
+++ b/t/t4150-am.sh
@@ -957,4 +957,24 @@
test_cmp expect actual
'
+test_expect_success 'am --patch-format=mboxrd handles mboxrd' '
+ rm -fr .git/rebase-apply &&
+ git checkout -f first &&
+ echo mboxrd >>file &&
+ git add file &&
+ cat >msg <<-\INPUT_END &&
+ mboxrd should escape the body
+
+ From could trip up a loose mbox parser
+ >From extra escape for reversibility
+ INPUT_END
+ git commit -F msg &&
+ git format-patch --pretty=mboxrd --stdout -1 >mboxrd1 &&
+ grep "^>From could trip up a loose mbox parser" mboxrd1 &&
+ git checkout -f first &&
+ git am --patch-format=mboxrd mboxrd1 &&
+ git cat-file commit HEAD | tail -n4 >out &&
+ test_cmp msg out
+'
+
test_done
