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builtin-am: implement --[no-]scissors

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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 <pyokagan@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Paul Tan 2015-08-04 21:51:49 +08:00 committed by Junio C Hamano
parent 5d123a4017
commit 9b646617b8
1 changed files with 48 additions and 0 deletions
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48
builtin/am.c
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@ -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;
@ -99,6 +105,7 @@ struct am_state {
int utf8;
int keep; /* enum keep_type */
int message_id;
int scissors; /* enum scissors_type */
const char *resolvemsg;
int rebasing;
};
@ -119,6 +126,8 @@ 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;
}
/**
@ -394,6 +403,14 @@ 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);
@ -614,6 +631,22 @@ 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
@ -798,6 +831,19 @@ 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"));
@ -1551,6 +1597,8 @@ 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),