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builtin-merge: give a proper error message for invalid strategies in config

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'git merge -s foobar' diagnosed invalid "foobar" strategy and errored out
with a message, but foobar in pull.twohead or pull.octopus was just
silently ignored.  This makes invalid strategy both on the command line
and in the configuration file to trigger the same error.

Signed-off-by: Miklos Vajna <vmiklos@frugalware.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Miklos Vajna 2008-07-21 18:10:47 +02:00 committed by Junio C Hamano
parent ac2e28c0a4
commit 1719b5e446
2 changed files with 24 additions and 25 deletions
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37
builtin-merge.c
View file

@ -77,6 +77,7 @@ static int option_parse_message(const struct option *opt,
static struct strategy *get_strategy(const char *name)
{
int i;
struct strbuf err;
if (!name)
return NULL;
@ -84,7 +85,13 @@ static struct strategy *get_strategy(const char *name)
for (i = 0; i < ARRAY_SIZE(all_strategy); i++)
if (!strcmp(name, all_strategy[i].name))
return &all_strategy[i];
return NULL;
strbuf_init(&err, 0);
for (i = 0; i < ARRAY_SIZE(all_strategy); i++)
strbuf_addf(&err, " %s", all_strategy[i].name);
fprintf(stderr, "Could not find merge strategy '%s'.\n", name);
fprintf(stderr, "Available strategies are:%s.\n", err.buf);
exit(1);
}
static void append_strategy(struct strategy *s)
@ -96,25 +103,10 @@ static void append_strategy(struct strategy *s)
static int option_parse_strategy(const struct option *opt,
const char *name, int unset)
{
int i;
struct strategy *s;
if (unset)
return 0;
s = get_strategy(name);
if (s)
append_strategy(s);
else {
struct strbuf err;
strbuf_init(&err, 0);
for (i = 0; i < ARRAY_SIZE(all_strategy); i++)
strbuf_addf(&err, " %s", all_strategy[i].name);
fprintf(stderr, "Could not find merge strategy '%s'.\n", name);
fprintf(stderr, "Available strategies are:%s.\n", err.buf);
exit(1);
}
append_strategy(get_strategy(name));
return 0;
}
@ -643,14 +635,9 @@ static void add_strategies(const char *string, unsigned attr)
memset(&list, 0, sizeof(list));
split_merge_strategies(string, &list, &list_nr, &list_alloc);
if (list != NULL) {
for (i = 0; i < list_nr; i++) {
struct strategy *s;
s = get_strategy(list[i].name);
if (s)
append_strategy(s);
}
if (list) {
for (i = 0; i < list_nr; i++)
append_strategy(get_strategy(list[i].name));
return;
}
for (i = 0; i < ARRAY_SIZE(all_strategy); i++)

12
t/t7601-merge-pull-config.sh
View file

@ -126,4 +126,16 @@ test_expect_success 'merge picks up the best result' '
test $auto_count != $resolve_count
'
test_expect_success 'merge errors out on invalid strategy' '
git config pull.twohead "foobar" &&
git reset --hard c5 &&
test_must_fail git merge c6
'
test_expect_success 'merge errors out on invalid strategy' '
git config --unset-all pull.twohead &&
git reset --hard c5 &&
test_must_fail git merge -s "resolve recursive" c6
'
test_done