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-rw-r--r--builtin/read-tree.c35
1 files changed, 26 insertions, 9 deletions
diff --git a/builtin/read-tree.c b/builtin/read-tree.c
index 8ba64bc785..d5f618d086 100644
--- a/builtin/read-tree.c
+++ b/builtin/read-tree.c
@@ -5,6 +5,7 @@
*/
#include "cache.h"
+#include "config.h"
#include "lockfile.h"
#include "object.h"
#include "tree.h"
@@ -15,18 +16,20 @@
#include "builtin.h"
#include "parse-options.h"
#include "resolve-undo.h"
+#include "submodule.h"
+#include "submodule-config.h"
static int nr_trees;
static int read_empty;
static struct tree *trees[MAX_UNPACK_TREES];
-static int list_tree(unsigned char *sha1)
+static int list_tree(struct object_id *oid)
{
struct tree *tree;
if (nr_trees >= MAX_UNPACK_TREES)
die("I cannot read more than %d trees", MAX_UNPACK_TREES);
- tree = parse_tree_indirect(sha1);
+ tree = parse_tree_indirect(oid);
if (!tree)
return -1;
trees[nr_trees++] = tree;
@@ -96,12 +99,20 @@ static int debug_merge(const struct cache_entry * const *stages,
return 0;
}
+static int git_read_tree_config(const char *var, const char *value, void *cb)
+{
+ if (!strcmp(var, "submodule.recurse"))
+ return git_default_submodule_config(var, value, cb);
+
+ return git_default_config(var, value, cb);
+}
+
static struct lock_file lock_file;
int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
{
int i, stage = 0;
- unsigned char sha1[20];
+ struct object_id oid;
struct tree_desc t[MAX_UNPACK_TREES];
struct unpack_trees_options opts;
int prefix_set = 0;
@@ -137,6 +148,9 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
N_("skip applying sparse checkout filter")),
OPT_BOOL(0, "debug-unpack", &opts.debug_unpack,
N_("debug unpack-trees")),
+ { OPTION_CALLBACK, 0, "recurse-submodules", NULL,
+ "checkout", "control recursive updating of submodules",
+ PARSE_OPT_OPTARG, option_parse_recurse_submodules_worktree_updater },
OPT_END()
};
@@ -145,11 +159,13 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
opts.src_index = &the_index;
opts.dst_index = &the_index;
- git_config(git_default_config, NULL);
+ git_config(git_read_tree_config, NULL);
argc = parse_options(argc, argv, unused_prefix, read_tree_options,
read_tree_usage, 0);
+ load_submodule_cache();
+
hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR);
prefix_set = opts.prefix ? 1 : 0;
@@ -175,13 +191,13 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
for (i = 0; i < argc; i++) {
const char *arg = argv[i];
- if (get_sha1(arg, sha1))
+ if (get_oid(arg, &oid))
die("Not a valid object name %s", arg);
- if (list_tree(sha1) < 0)
+ if (list_tree(&oid) < 0)
die("failed to unpack tree object %s", arg);
stage++;
}
- if (nr_trees == 0 && !read_empty)
+ if (!nr_trees && !read_empty && !opts.merge)
warning("read-tree: emptying the index with no arguments is deprecated; use --empty");
else if (nr_trees > 0 && read_empty)
die("passing trees as arguments contradicts --empty");
@@ -197,9 +213,10 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
setup_work_tree();
if (opts.merge) {
- if (stage < 2)
- die("just how do you expect me to merge %d trees?", stage-1);
switch (stage - 1) {
+ case 0:
+ die("you must specify at least one tree to merge");
+ break;
case 1:
opts.fn = opts.prefix ? bind_merge : oneway_merge;
break;