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-rw-r--r--builtin/submodule--helper.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index ad8df0d471..c72931ecd7 100644
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -20,6 +20,7 @@
#include "diff.h"
#include "object-store.h"
#include "dir.h"
+#include "advice.h"
#define OPT_QUIET (1 << 0)
#define OPT_CACHED (1 << 1)
@@ -425,7 +426,7 @@ static int module_list(int argc, const char **argv, const char *prefix)
const struct cache_entry *ce = list.entries[i];
if (ce_stage(ce))
- printf("%06o %s U\t", ce->ce_mode, sha1_to_hex(null_sha1));
+ printf("%06o %s U\t", ce->ce_mode, oid_to_hex(&null_oid));
else
printf("%06o %s %d\t", ce->ce_mode,
oid_to_hex(&ce->oid), ce_stage(ce));
@@ -803,7 +804,8 @@ static void status_submodule(const char *path, const struct object_id *ce_oid,
path, NULL);
git_config(git_diff_basic_config, NULL);
- repo_init_revisions(the_repository, &rev, prefix);
+
+ repo_init_revisions(the_repository, &rev, NULL);
rev.abbrev = 0;
diff_files_args.argc = setup_revisions(diff_files_args.argc,
diff_files_args.argv,
@@ -1269,6 +1271,13 @@ struct submodule_alternate_setup {
#define SUBMODULE_ALTERNATE_SETUP_INIT { NULL, \
SUBMODULE_ALTERNATE_ERROR_IGNORE, NULL }
+static const char alternate_error_advice[] = N_(
+"An alternate computed from a superproject's alternate is invalid.\n"
+"To allow Git to clone without an alternate in such a case, set\n"
+"submodule.alternateErrorStrategy to 'info' or, equivalently, clone with\n"
+"'--reference-if-able' instead of '--reference'."
+);
+
static int add_possible_reference_from_superproject(
struct object_directory *odb, void *sas_cb)
{
@@ -1300,6 +1309,8 @@ static int add_possible_reference_from_superproject(
} else {
switch (sas->error_mode) {
case SUBMODULE_ALTERNATE_ERROR_DIE:
+ if (advice_submodule_alternate_error_strategy_die)
+ advise(_(alternate_error_advice));
die(_("submodule '%s' cannot add alternate: %s"),
sas->submodule_name, err.buf);
case SUBMODULE_ALTERNATE_ERROR_INFO:
@@ -1890,7 +1901,7 @@ static int update_clone(int argc, const char **argv, const char *prefix)
};
const char *const git_submodule_helper_usage[] = {
- N_("git submodule--helper update_clone [--prefix=<path>] [<path>...]"),
+ N_("git submodule--helper update-clone [--prefix=<path>] [<path>...]"),
NULL
};
suc.prefix = prefix;