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Diffstat (limited to 'builtin/read-tree.c')
-rw-r--r--builtin/read-tree.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/builtin/read-tree.c b/builtin/read-tree.c
index 23e212ee8c..78d3193659 100644
--- a/builtin/read-tree.c
+++ b/builtin/read-tree.c
@@ -23,13 +23,13 @@ static int read_empty;
static struct tree *trees[MAX_UNPACK_TREES];
static int recurse_submodules = RECURSE_SUBMODULES_DEFAULT;
-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;
@@ -121,7 +121,7 @@ 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;
@@ -204,13 +204,13 @@ 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");
@@ -226,9 +226,10 @@ 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;