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authorJunio C Hamano <gitster@pobox.com>2011-08-23 01:05:15 (GMT)
committerJunio C Hamano <gitster@pobox.com>2011-08-23 01:57:20 (GMT)
commitdbc92b072dd7023f8ba1f682a8060022fc72504a (patch)
tree2b935124666866f9d8b9702ad60a123962c4a26c /builtin
parentf696543dad6c7ba27b0c4fab167a5687263a9ba0 (diff)
downloadgit-dbc92b072dd7023f8ba1f682a8060022fc72504a.zip
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clone: allow more than one --reference
Also add a test to expose a long-standing bug that is triggered when cloning with --reference option from a local repository that has its own alternates. The alternate object stores specified on the command line are lost, and only alternates copied from the source repository remain. The bug will be fixed in the next patch. Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'builtin')
-rw-r--r--builtin/clone.c32
1 files changed, 24 insertions, 8 deletions
diff --git a/builtin/clone.c b/builtin/clone.c
index f579794..ee5d651 100644
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -39,13 +39,23 @@ static const char * const builtin_clone_usage[] = {
static int option_no_checkout, option_bare, option_mirror;
static int option_local, option_no_hardlinks, option_shared, option_recursive;
-static char *option_template, *option_reference, *option_depth;
+static char *option_template, *option_depth;
static char *option_origin = NULL;
static char *option_branch = NULL;
static const char *real_git_dir;
static char *option_upload_pack = "git-upload-pack";
static int option_verbosity;
static int option_progress;
+static struct string_list option_reference;
+
+static int opt_parse_reference(const struct option *opt, const char *arg, int unset)
+{
+ struct string_list *option_reference = opt->value;
+ if (!arg)
+ return -1;
+ string_list_append(option_reference, arg);
+ return 0;
+}
static struct option builtin_clone_options[] = {
OPT__VERBOSITY(&option_verbosity),
@@ -71,8 +81,8 @@ static struct option builtin_clone_options[] = {
"initialize submodules in the clone"),
OPT_STRING(0, "template", &option_template, "template-directory",
"directory from which templates will be used"),
- OPT_STRING(0, "reference", &option_reference, "repo",
- "reference repository"),
+ OPT_CALLBACK(0 , "reference", &option_reference, "repo",
+ "reference repository", &opt_parse_reference),
OPT_STRING('o', "origin", &option_origin, "branch",
"use <branch> instead of 'origin' to track upstream"),
OPT_STRING('b', "branch", &option_branch, "branch",
@@ -197,7 +207,7 @@ static void strip_trailing_slashes(char *dir)
*end = '\0';
}
-static void setup_reference(const char *repo)
+static int add_one_reference(struct string_list_item *item, void *cb_data)
{
const char *ref_git;
char *ref_git_copy;
@@ -206,13 +216,13 @@ static void setup_reference(const char *repo)
struct transport *transport;
const struct ref *extra;
- ref_git = real_path(option_reference);
+ ref_git = real_path(item->string);
if (is_directory(mkpath("%s/.git/objects", ref_git)))
ref_git = mkpath("%s/.git", ref_git);
else if (!is_directory(mkpath("%s/objects", ref_git)))
die(_("reference repository '%s' is not a local directory."),
- option_reference);
+ item->string);
ref_git_copy = xstrdup(ref_git);
@@ -227,6 +237,12 @@ static void setup_reference(const char *repo)
transport_disconnect(transport);
free(ref_git_copy);
+ return 0;
+}
+
+static void setup_reference(void)
+{
+ for_each_string_list(&option_reference, add_one_reference, NULL);
}
static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest)
@@ -521,8 +537,8 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
git_config_set(key.buf, repo);
strbuf_reset(&key);
- if (option_reference)
- setup_reference(git_dir);
+ if (option_reference.nr)
+ setup_reference();
fetch_pattern = value.buf;
refspec = parse_fetch_refspec(1, &fetch_pattern);