Junio C Hamano <gitster@xxxxxxxxx> writes:
> Miklos Vajna <vmiklos@xxxxxxxxxxxxxx> writes:
>
>> Till now 'git merge -s foobar' bailed out with an error message, but
>> foobar in pull.twohead or pull.octopus was just silently ignored. It's
>> better to inform the user then just silently doing nothing.
>>
>> Signed-off-by: Miklos Vajna <vmiklos@xxxxxxxxxxxxxx>
>
> Doesn't this make "git merge -s 'recursive resolve'" to misbehave?
Perhaps this would be a better replacement. It makes get_strategy() to
validate and barf on unknown one. It is slightly smaller and more
contained. If/when we add user-defined ones, that logic will also be
contained in the function.
builtin-merge.c | 37 ++++++++++++-------------------------
t/t7601-merge-pull-config.sh | 12 ++++++++++++
2 files changed, 24 insertions(+), 25 deletions(-)
diff --git a/builtin-merge.c b/builtin-merge.c
index e97c79e..0fd7985 100644
--- a/builtin-merge.c
+++ b/builtin-merge.c
@@ -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++)
diff --git a/t/t7601-merge-pull-config.sh b/t/t7601-merge-pull-config.sh
index 95b4d71..6b9f638 100755
--- a/t/t7601-merge-pull-config.sh
+++ b/t/t7601-merge-pull-config.sh
@@ -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
--
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