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-rw-r--r--builtin/submodule--helper.c37
1 files changed, 32 insertions, 5 deletions
diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c
index 909e77e802..c72931ecd7 100644
--- a/builtin/submodule--helper.c
+++ b/builtin/submodule--helper.c
@@ -19,6 +19,8 @@
#include "diffcore.h"
#include "diff.h"
#include "object-store.h"
+#include "dir.h"
+#include "advice.h"
#define OPT_QUIET (1 << 0)
#define OPT_CACHED (1 << 1)
@@ -424,7 +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));
@@ -802,7 +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,
@@ -1268,6 +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)
{
@@ -1299,6 +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:
@@ -1359,7 +1371,7 @@ static int module_clone(int argc, const char **argv, const char *prefix)
char *p, *path = NULL, *sm_gitdir;
struct strbuf sb = STRBUF_INIT;
struct string_list reference = STRING_LIST_INIT_NODUP;
- int dissociate = 0;
+ int dissociate = 0, require_init = 0;
char *sm_alternate = NULL, *error_strategy = NULL;
struct option module_clone_options[] = {
@@ -1386,6 +1398,8 @@ static int module_clone(int argc, const char **argv, const char *prefix)
OPT__QUIET(&quiet, "Suppress output for cloning a submodule"),
OPT_BOOL(0, "progress", &progress,
N_("force cloning progress")),
+ OPT_BOOL(0, "require-init", &require_init,
+ N_("disallow cloning into non-empty directory")),
OPT_END()
};
@@ -1413,6 +1427,10 @@ static int module_clone(int argc, const char **argv, const char *prefix)
} else
path = xstrdup(path);
+ if (validate_submodule_git_dir(sm_gitdir, name) < 0)
+ die(_("refusing to create/use '%s' in another submodule's "
+ "git dir"), sm_gitdir);
+
if (!file_exists(sm_gitdir)) {
if (safe_create_leading_directories_const(sm_gitdir) < 0)
die(_("could not create directory '%s'"), sm_gitdir);
@@ -1424,6 +1442,8 @@ static int module_clone(int argc, const char **argv, const char *prefix)
die(_("clone of '%s' into submodule path '%s' failed"),
url, path);
} else {
+ if (require_init && !access(path, X_OK) && !is_empty_dir(path))
+ die(_("directory not empty: '%s'"), path);
if (safe_create_leading_directories_const(path) < 0)
die(_("could not create directory '%s'"), path);
strbuf_addf(&sb, "%s/index", sm_gitdir);
@@ -1478,6 +1498,8 @@ static void determine_submodule_update_strategy(struct repository *r,
die(_("Invalid update mode '%s' configured for submodule path '%s'"),
val, path);
} else if (sub->update_strategy.type != SM_UPDATE_UNSPECIFIED) {
+ if (sub->update_strategy.type == SM_UPDATE_COMMAND)
+ BUG("how did we read update = !command from .gitmodules?");
out->type = sub->update_strategy.type;
out->command = sub->update_strategy.command;
} else
@@ -1536,6 +1558,7 @@ struct submodule_update_clone {
int recommend_shallow;
struct string_list references;
int dissociate;
+ unsigned require_init;
const char *depth;
const char *recursive_prefix;
const char *prefix;
@@ -1554,7 +1577,7 @@ struct submodule_update_clone {
int max_jobs;
};
#define SUBMODULE_UPDATE_CLONE_INIT {0, MODULE_LIST_INIT, 0, \
- SUBMODULE_UPDATE_STRATEGY_INIT, 0, 0, -1, STRING_LIST_INIT_DUP, 0, \
+ SUBMODULE_UPDATE_STRATEGY_INIT, 0, 0, -1, STRING_LIST_INIT_DUP, 0, 0, \
NULL, NULL, NULL, \
NULL, 0, 0, 0, NULL, 0, 0, 1}
@@ -1681,6 +1704,8 @@ static int prepare_to_clone_next_submodule(const struct cache_entry *ce,
argv_array_pushl(&child->args, "--prefix", suc->prefix, NULL);
if (suc->recommend_shallow && sub->recommend_shallow == 1)
argv_array_push(&child->args, "--depth=1");
+ if (suc->require_init)
+ argv_array_push(&child->args, "--require-init");
argv_array_pushl(&child->args, "--path", sub->path, NULL);
argv_array_pushl(&child->args, "--name", sub->name, NULL);
argv_array_pushl(&child->args, "--url", url, NULL);
@@ -1870,11 +1895,13 @@ static int update_clone(int argc, const char **argv, const char *prefix)
OPT__QUIET(&suc.quiet, N_("don't print cloning progress")),
OPT_BOOL(0, "progress", &suc.progress,
N_("force cloning progress")),
+ OPT_BOOL(0, "require-init", &suc.require_init,
+ N_("disallow cloning into non-empty directory")),
OPT_END()
};
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;