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-rw-r--r--builtin/read-tree.c78
1 files changed, 47 insertions, 31 deletions
diff --git a/builtin/read-tree.c b/builtin/read-tree.c
index 43b47f72f1..5bfd4c9f76 100644
--- a/builtin/read-tree.c
+++ b/builtin/read-tree.c
@@ -15,18 +15,20 @@
#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;
@@ -34,7 +36,7 @@ static int list_tree(unsigned char *sha1)
}
static const char * const read_tree_usage[] = {
- N_("git read-tree [[-m [--trivial] [--aggressive] | --reset | --prefix=<prefix>] [-u [--exclude-per-directory=<gitignore>] | -i]] [--no-sparse-checkout] [--index-output=<file>] (--empty | <tree-ish1> [<tree-ish2> [<tree-ish3>]])"),
+ N_("git read-tree [(-m [--trivial] [--aggressive] | --reset | --prefix=<prefix>) [-u [--exclude-per-directory=<gitignore>] | -i]] [--no-sparse-checkout] [--index-output=<file>] (--empty | <tree-ish1> [<tree-ish2> [<tree-ish3>]])"),
NULL
};
@@ -78,7 +80,7 @@ static void debug_stage(const char *label, const struct cache_entry *ce,
else
printf("%06o #%d %s %.8s\n",
ce->ce_mode, ce_stage(ce), ce->name,
- sha1_to_hex(ce->sha1));
+ oid_to_hex(&ce->oid));
}
static int debug_merge(const struct cache_entry * const *stages,
@@ -90,18 +92,26 @@ static int debug_merge(const struct cache_entry * const *stages,
debug_stage("index", stages[0], o);
for (i = 1; i <= o->merge_size; i++) {
char buf[24];
- sprintf(buf, "ent#%d", i);
+ xsnprintf(buf, sizeof(buf), "ent#%d", i);
debug_stage(buf, stages[i], o);
}
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;
@@ -109,34 +119,37 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
{ OPTION_CALLBACK, 0, "index-output", NULL, N_("file"),
N_("write resulting index to <file>"),
PARSE_OPT_NONEG, index_output_cb },
- OPT_SET_INT(0, "empty", &read_empty,
- N_("only empty the index"), 1),
+ OPT_BOOL(0, "empty", &read_empty,
+ N_("only empty the index")),
OPT__VERBOSE(&opts.verbose_update, N_("be verbose")),
OPT_GROUP(N_("Merging")),
- OPT_SET_INT('m', NULL, &opts.merge,
- N_("perform a merge in addition to a read"), 1),
- OPT_SET_INT(0, "trivial", &opts.trivial_merges_only,
- N_("3-way merge if no file level merging required"), 1),
- OPT_SET_INT(0, "aggressive", &opts.aggressive,
- N_("3-way merge in presence of adds and removes"), 1),
- OPT_SET_INT(0, "reset", &opts.reset,
- N_("same as -m, but discard unmerged entries"), 1),
+ OPT_BOOL('m', NULL, &opts.merge,
+ N_("perform a merge in addition to a read")),
+ OPT_BOOL(0, "trivial", &opts.trivial_merges_only,
+ N_("3-way merge if no file level merging required")),
+ OPT_BOOL(0, "aggressive", &opts.aggressive,
+ N_("3-way merge in presence of adds and removes")),
+ OPT_BOOL(0, "reset", &opts.reset,
+ N_("same as -m, but discard unmerged entries")),
{ OPTION_STRING, 0, "prefix", &opts.prefix, N_("<subdirectory>/"),
N_("read the tree into the index under <subdirectory>/"),
PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP },
- OPT_SET_INT('u', NULL, &opts.update,
- N_("update working tree with merge result"), 1),
+ OPT_BOOL('u', NULL, &opts.update,
+ N_("update working tree with merge result")),
{ OPTION_CALLBACK, 0, "exclude-per-directory", &opts,
N_("gitignore"),
N_("allow explicitly ignored files to be overwritten"),
PARSE_OPT_NONEG, exclude_per_directory_cb },
- OPT_SET_INT('i', NULL, &opts.index_only,
- N_("don't check the working tree after merging"), 1),
+ OPT_BOOL('i', NULL, &opts.index_only,
+ N_("don't check the working tree after merging")),
OPT__DRY_RUN(&opts.dry_run, N_("don't update the index or the work tree")),
- OPT_SET_INT(0, "no-sparse-checkout", &opts.skip_sparse_checkout,
- N_("skip applying sparse checkout filter"), 1),
- OPT_SET_INT(0, "debug-unpack", &opts.debug_unpack,
- N_("debug unpack-trees"), 1),
+ OPT_BOOL(0, "no-sparse-checkout", &opts.skip_sparse_checkout,
+ 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()
};
@@ -145,12 +158,14 @@ 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);
- hold_locked_index(&lock_file, 1);
+ load_submodule_cache();
+
+ hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR);
prefix_set = opts.prefix ? 1 : 0;
if (1 < opts.merge + opts.reset + prefix_set)
@@ -175,13 +190,13 @@ 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 +212,10 @@ 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;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 13:05:47 +0000