After resolving a conflicting patch, a user may wish to sign off the
patch to declare that the patch has been modified. As such, the user
will expect that running "git am --signoff --continue" will append the
signoff to the commit message.
However, the --signoff option is only taken into account during the
mail-parsing stage. If the --signoff option is set, then the signoff
will be appended to the commit message. Since the mail-parsing stage
comes before the patch application stage, the --signoff option, if
provided on the command-line when resuming, will have no effect at all.
We cannot move the append_signoff() call to the patch application stage
as the applypatch-msg hook and interactive mode, which run before patch
application, may expect the signoff to be there.
Fix this by taking note if the user explictly set the --signoff option
on the command-line, and append the signoff to the commit message when
resuming if so.
Signed-off-by: Paul Tan <pyoka...@gmail.com>
---
builtin/am.c | 28 +++++++++++++++++++++++++---
t/t4153-am-resume-override-opts.sh | 20 ++++++++++++++++++++
2 files changed, 45 insertions(+), 3 deletions(-)
diff --git a/builtin/am.c b/builtin/am.c
index 0961304..8c95aec 100644
--- a/builtin/am.c
+++ b/builtin/am.c
@@ -98,6 +98,12 @@ enum scissors_type {
SCISSORS_TRUE /* pass --scissors to git-mailinfo */
};
+enum signoff_type {
+ SIGNOFF_FALSE = 0,
+ SIGNOFF_TRUE = 1,
+ SIGNOFF_EXPLICIT /* --signoff was set on the command-line */
+};
+
struct am_state {
/* state directory path */
char *dir;
@@ -123,7 +129,7 @@ struct am_state {
int interactive;
int threeway;
int quiet;
- int signoff;
+ int signoff; /* enum signoff_type */
int utf8;
int keep; /* enum keep_type */
int message_id;
@@ -1184,6 +1190,18 @@ static void NORETURN die_user_resolve(const struct
am_state *state)
}
/**
+ * Appends signoff to the "msg" field of the am_state.
+ */
+static void am_append_signoff(struct am_state *state)
+{
+ struct strbuf sb = STRBUF_INIT;
+
+ strbuf_attach(&sb, state->msg, state->msg_len, state->msg_len);
+ append_signoff(&sb, 0, 0);
+ state->msg = strbuf_detach(&sb, &state->msg_len);
+}
+
+/**
* Parses `mail` using git-mailinfo, extracting its patch and authorship info.
* state->msg will be set to the patch message. state->author_name,
* state->author_email and state->author_date will be set to the patch author's
@@ -2151,8 +2169,9 @@ int cmd_am(int argc, const char **argv, const char
*prefix)
OPT_BOOL('3', "3way", &state.threeway,
N_("allow fall back on 3way merging if needed")),
OPT__QUIET(&state.quiet, N_("be quiet")),
- OPT_BOOL('s', "signoff", &state.signoff,
- N_("add a Signed-off-by line to the commit message")),
+ OPT_SET_INT('s', "signoff", &state.signoff,
+ N_("add a Signed-off-by line to the commit message"),
+ SIGNOFF_EXPLICIT),
OPT_BOOL('u', "utf8", &state.utf8,
N_("recode into utf8 (default)")),
OPT_SET_INT('k', "keep", &state.keep,
@@ -2265,6 +2284,9 @@ int cmd_am(int argc, const char **argv, const char
*prefix)
if (resume == RESUME_FALSE)
resume = RESUME_APPLY;
+
+ if (state.signoff == SIGNOFF_EXPLICIT)
+ am_append_signoff(&state);
} else {
struct argv_array paths = ARGV_ARRAY_INIT;
int i;
diff --git a/t/t4153-am-resume-override-opts.sh
b/t/t4153-am-resume-override-opts.sh
index 39fac79..7c013d8 100755
--- a/t/t4153-am-resume-override-opts.sh
+++ b/t/t4153-am-resume-override-opts.sh
@@ -64,6 +64,26 @@ test_expect_success '--no-quiet overrides --quiet' '
test_i18ncmp expected out
'
+test_expect_success '--signoff overrides --no-signoff' '
+ rm -fr .git/rebase-apply &&
+ git reset --hard &&
+ git checkout first &&
+
+ test_must_fail git am --no-signoff side[12].eml &&
+ test_path_is_dir .git/rebase-apply &&
+ echo side1 >file &&
+ git add file &&
+ git am --signoff --continue &&
+
+ # Applied side1 will be signed off
+ echo "Signed-off-by: $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>"
>expected &&
+ git cat-file commit HEAD^ | grep "Signed-off-by:" >actual &&
+ test_cmp expected actual &&
+
+ # Applied side2 will not be signed off
+ test $(git cat-file commit HEAD | grep -c "Signed-off-by:") -eq 0
+'
+
test_expect_success TTY '--reject overrides --no-reject' '
rm -fr .git/rebase-apply &&
git reset --hard &&
--
2.5.0.280.gd88bd6e
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