Since 017678b (am/mailinfo: Disable scissors processing by default,
2009-08-26), git-am supported the --[no-]scissors option, passing it to
git-mailinfo.
Re-implement support for this option in builtin/am.c.
Since the default setting of --scissors in git-mailinfo can be
configured with mailinfo.scissors (and perhaps through other settings in
the future), to be safe we make an explicit distinction between
SCISSORS_UNSET, SCISSORS_TRUE and SCISSORS_FALSE.
Signed-off-by: Paul Tan <pyoka...@gmail.com>
---
Notes:
v5
* Previously, SCISSORS_FALSE was 1 while SCISSORS_TRUE was 0. This
should be the other way around.
builtin/am.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 50 insertions(+)
diff --git a/builtin/am.c b/builtin/am.c
index 59a7a2a..2e46a06 100644
--- a/builtin/am.c
+++ b/builtin/am.c
@@ -74,6 +74,12 @@ enum keep_type {
KEEP_NON_PATCH /* pass -b flag to git-mailinfo */
};
+enum scissors_type {
+ SCISSORS_UNSET = -1,
+ SCISSORS_FALSE = 0, /* pass --no-scissors to git-mailinfo */
+ SCISSORS_TRUE /* pass --scissors to git-mailinfo */
+};
+
struct am_state {
/* state directory path */
char *dir;
@@ -106,6 +112,9 @@ struct am_state {
/* pass -m flag to git-mailinfo */
int message_id;
+ /* one of the enum scissors_type values */
+ int scissors;
+
/* override error message when patch failure occurs */
const char *resolvemsg;
@@ -130,6 +139,8 @@ static void am_state_init(struct am_state *state, const
char *dir)
state->utf8 = 1;
git_config_get_bool("am.messageid", &state->message_id);
+
+ state->scissors = SCISSORS_UNSET;
}
/**
@@ -422,6 +433,14 @@ static void am_load(struct am_state *state)
read_state_file(&sb, state, "messageid", 1);
state->message_id = !strcmp(sb.buf, "t");
+ read_state_file(&sb, state, "scissors", 1);
+ if (!strcmp(sb.buf, "t"))
+ state->scissors = SCISSORS_TRUE;
+ else if (!strcmp(sb.buf, "f"))
+ state->scissors = SCISSORS_FALSE;
+ else
+ state->scissors = SCISSORS_UNSET;
+
state->rebasing = !!file_exists(am_path(state, "rebasing"));
strbuf_release(&sb);
@@ -642,6 +661,22 @@ static void am_setup(struct am_state *state, enum
patch_format patch_format,
write_file(am_path(state, "messageid"), 1, state->message_id ? "t" :
"f");
+ switch (state->scissors) {
+ case SCISSORS_UNSET:
+ str = "";
+ break;
+ case SCISSORS_FALSE:
+ str = "f";
+ break;
+ case SCISSORS_TRUE:
+ str = "t";
+ break;
+ default:
+ die("BUG: invalid value for state->scissors");
+ }
+
+ write_file(am_path(state, "scissors"), 1, "%s", str);
+
if (state->rebasing)
write_file(am_path(state, "rebasing"), 1, "%s", "");
else
@@ -831,6 +866,19 @@ static int parse_mail(struct am_state *state, const char
*mail)
if (state->message_id)
argv_array_push(&cp.args, "-m");
+ switch (state->scissors) {
+ case SCISSORS_UNSET:
+ break;
+ case SCISSORS_FALSE:
+ argv_array_push(&cp.args, "--no-scissors");
+ break;
+ case SCISSORS_TRUE:
+ argv_array_push(&cp.args, "--scissors");
+ break;
+ default:
+ die("BUG: invalid value for state->scissors");
+ }
+
argv_array_push(&cp.args, am_path(state, "msg"));
argv_array_push(&cp.args, am_path(state, "patch"));
@@ -1560,6 +1608,8 @@ int cmd_am(int argc, const char **argv, const char
*prefix)
{ OPTION_SET_INT, 0, "no-keep-cr", &keep_cr, NULL,
N_("do not pass --keep-cr flag to git-mailsplit independent
of am.keepcr"),
PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 0},
+ OPT_BOOL('c', "scissors", &state.scissors,
+ N_("strip everything before a scissors line")),
OPT_CALLBACK(0, "patch-format", &patch_format, N_("format"),
N_("format the patch(es) are in"),
parse_opt_patchformat),
--
2.5.0.rc1.76.gf60a929
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