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-rw-r--r--builtin/clone.c226
1 files changed, 157 insertions, 69 deletions
diff --git a/builtin/clone.c b/builtin/clone.c
index a35d62293a..f7e17d2295 100644
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -9,6 +9,7 @@
*/
#include "builtin.h"
+#include "config.h"
#include "lockfile.h"
#include "parse-options.h"
#include "fetch-pack.h"
@@ -39,20 +40,39 @@ static const char * const builtin_clone_usage[] = {
};
static int option_no_checkout, option_bare, option_mirror, option_single_branch = -1;
-static int option_local = -1, option_no_hardlinks, option_shared, option_recursive;
+static int option_local = -1, option_no_hardlinks, option_shared;
+static int option_no_tags;
static int option_shallow_submodules;
-static char *option_template, *option_depth;
+static int deepen;
+static char *option_template, *option_depth, *option_since;
static char *option_origin = NULL;
static char *option_branch = NULL;
+static struct string_list option_not = STRING_LIST_INIT_NODUP;
static const char *real_git_dir;
static char *option_upload_pack = "git-upload-pack";
static int option_verbosity;
static int option_progress = -1;
static enum transport_family family;
static struct string_list option_config = STRING_LIST_INIT_NODUP;
-static struct string_list option_reference = STRING_LIST_INIT_NODUP;
+static struct string_list option_required_reference = STRING_LIST_INIT_NODUP;
+static struct string_list option_optional_reference = STRING_LIST_INIT_NODUP;
static int option_dissociate;
static int max_jobs = -1;
+static struct string_list option_recurse_submodules = STRING_LIST_INIT_NODUP;
+
+static int recurse_submodules_cb(const struct option *opt,
+ const char *arg, int unset)
+{
+ if (unset)
+ string_list_clear((struct string_list *)opt->value, 0);
+ else if (arg)
+ string_list_append((struct string_list *)opt->value, arg);
+ else
+ string_list_append((struct string_list *)opt->value,
+ (const char *)opt->defval);
+
+ return 0;
+}
static struct option builtin_clone_options[] = {
OPT__VERBOSITY(&option_verbosity),
@@ -71,16 +91,21 @@ static struct option builtin_clone_options[] = {
N_("don't use local hardlinks, always copy")),
OPT_BOOL('s', "shared", &option_shared,
N_("setup as shared repository")),
- OPT_BOOL(0, "recursive", &option_recursive,
- N_("initialize submodules in the clone")),
- OPT_BOOL(0, "recurse-submodules", &option_recursive,
- N_("initialize submodules in the clone")),
+ { OPTION_CALLBACK, 0, "recursive", &option_recurse_submodules,
+ N_("pathspec"), N_("initialize submodules in the clone"),
+ PARSE_OPT_OPTARG | PARSE_OPT_HIDDEN, recurse_submodules_cb,
+ (intptr_t)"." },
+ { OPTION_CALLBACK, 0, "recurse-submodules", &option_recurse_submodules,
+ N_("pathspec"), N_("initialize submodules in the clone"),
+ PARSE_OPT_OPTARG, recurse_submodules_cb, (intptr_t)"." },
OPT_INTEGER('j', "jobs", &max_jobs,
N_("number of submodules cloned in parallel")),
OPT_STRING(0, "template", &option_template, N_("template-directory"),
N_("directory from which templates will be used")),
- OPT_STRING_LIST(0, "reference", &option_reference, N_("repo"),
+ OPT_STRING_LIST(0, "reference", &option_required_reference, N_("repo"),
N_("reference repository")),
+ OPT_STRING_LIST(0, "reference-if-able", &option_optional_reference,
+ N_("repo"), N_("reference repository")),
OPT_BOOL(0, "dissociate", &option_dissociate,
N_("use --reference only while cloning")),
OPT_STRING('o', "origin", &option_origin, N_("name"),
@@ -91,8 +116,14 @@ static struct option builtin_clone_options[] = {
N_("path to git-upload-pack on the remote")),
OPT_STRING(0, "depth", &option_depth, N_("depth"),
N_("create a shallow clone of that depth")),
+ OPT_STRING(0, "shallow-since", &option_since, N_("time"),
+ N_("create a shallow clone since a specific time")),
+ OPT_STRING_LIST(0, "shallow-exclude", &option_not, N_("revision"),
+ N_("deepen history of shallow clone, excluding rev")),
OPT_BOOL(0, "single-branch", &option_single_branch,
N_("clone only one branch, HEAD or --branch")),
+ OPT_BOOL(0, "no-tags", &option_no_tags,
+ N_("don't clone any tags, and make later fetches not to follow them")),
OPT_BOOL(0, "shallow-submodules", &option_shallow_submodules,
N_("any cloned submodules will be shallow")),
OPT_STRING(0, "separate-git-dir", &real_git_dir, N_("gitdir"),
@@ -161,7 +192,7 @@ static char *get_repo_path(const char *repo, int *is_bundle)
strbuf_addstr(&path, repo);
raw = get_repo_path_1(&path, is_bundle);
- canon = raw ? xstrdup(absolute_path(raw)) : NULL;
+ canon = raw ? absolute_pathdup(raw) : NULL;
strbuf_release(&path);
return canon;
}
@@ -282,50 +313,37 @@ static void strip_trailing_slashes(char *dir)
static int add_one_reference(struct string_list_item *item, void *cb_data)
{
- char *ref_git;
- const char *repo;
- struct strbuf alternate = STRBUF_INIT;
-
- /* Beware: read_gitfile(), real_path() and mkpath() return static buffer */
- ref_git = xstrdup(real_path(item->string));
-
- repo = read_gitfile(ref_git);
- if (!repo)
- repo = read_gitfile(mkpath("%s/.git", ref_git));
- if (repo) {
- free(ref_git);
- ref_git = xstrdup(repo);
- }
+ struct strbuf err = STRBUF_INIT;
+ int *required = cb_data;
+ char *ref_git = compute_alternate_path(item->string, &err);
- if (!repo && is_directory(mkpath("%s/.git/objects", ref_git))) {
- char *ref_git_git = mkpathdup("%s/.git", ref_git);
- free(ref_git);
- ref_git = ref_git_git;
- } else if (!is_directory(mkpath("%s/objects", ref_git))) {
+ if (!ref_git) {
+ if (*required)
+ die("%s", err.buf);
+ else
+ fprintf(stderr,
+ _("info: Could not add alternate for '%s': %s\n"),
+ item->string, err.buf);
+ } else {
struct strbuf sb = STRBUF_INIT;
- if (get_common_dir(&sb, ref_git))
- die(_("reference repository '%s' as a linked checkout is not supported yet."),
- item->string);
- die(_("reference repository '%s' is not a local repository."),
- item->string);
+ strbuf_addf(&sb, "%s/objects", ref_git);
+ add_to_alternates_file(sb.buf);
+ strbuf_release(&sb);
}
- if (!access(mkpath("%s/shallow", ref_git), F_OK))
- die(_("reference repository '%s' is shallow"), item->string);
-
- if (!access(mkpath("%s/info/grafts", ref_git), F_OK))
- die(_("reference repository '%s' is grafted"), item->string);
-
- strbuf_addf(&alternate, "%s/objects", ref_git);
- add_to_alternates_file(alternate.buf);
- strbuf_release(&alternate);
+ strbuf_release(&err);
free(ref_git);
return 0;
}
static void setup_reference(void)
{
- for_each_string_list(&option_reference, add_one_reference, NULL);
+ int required = 1;
+ for_each_string_list(&option_required_reference,
+ add_one_reference, &required);
+ required = 0;
+ for_each_string_list(&option_optional_reference,
+ add_one_reference, &required);
}
static void copy_alternates(struct strbuf *src, struct strbuf *dst,
@@ -343,7 +361,7 @@ static void copy_alternates(struct strbuf *src, struct strbuf *dst,
* to turn entries with paths relative to the original
* absolute, so that they can be used in the new repository.
*/
- FILE *in = fopen(src->buf, "r");
+ FILE *in = xfopen(src->buf, "r");
struct strbuf line = STRBUF_INIT;
while (strbuf_getline(&line, in) != EOF) {
@@ -549,7 +567,7 @@ static struct ref *wanted_peer_refs(const struct ref *refs,
} else
get_fetch_map(refs, refspec, &tail, 0);
- if (!option_mirror && !option_single_branch)
+ if (!option_mirror && !option_single_branch && !option_no_tags)
get_fetch_map(refs, tag_refspec, &tail, 0);
return local_refs;
@@ -638,7 +656,7 @@ static void update_remote_refs(const struct ref *refs,
if (refs) {
write_remote_refs(mapped_refs);
- if (option_single_branch)
+ if (option_single_branch && !option_no_tags)
write_followtags(refs, msg);
}
@@ -668,7 +686,7 @@ static void update_head(const struct ref *our, const struct ref *remote,
install_branch_config(0, head, option_origin, our->name);
}
} else if (our) {
- struct commit *c = lookup_commit_reference(our->old_oid.hash);
+ struct commit *c = lookup_commit_reference(&our->old_oid);
/* --branch specifies a non-branch (i.e. tags), detach HEAD */
update_ref(msg, "HEAD", c->object.oid.hash,
NULL, REF_NODEREF, UPDATE_REFS_DIE_ON_ERR);
@@ -683,9 +701,9 @@ static void update_head(const struct ref *our, const struct ref *remote,
}
}
-static int checkout(void)
+static int checkout(int submodule_progress)
{
- unsigned char sha1[20];
+ struct object_id oid;
char *head;
struct lock_file *lock_file;
struct unpack_trees_options opts;
@@ -696,7 +714,7 @@ static int checkout(void)
if (option_no_checkout)
return 0;
- head = resolve_refdup("HEAD", RESOLVE_REF_READING, sha1, NULL);
+ head = resolve_refdup("HEAD", RESOLVE_REF_READING, oid.hash, NULL);
if (!head) {
warning(_("remote HEAD refers to nonexistent ref, "
"unable to checkout.\n"));
@@ -704,7 +722,7 @@ static int checkout(void)
}
if (!strcmp(head, "HEAD")) {
if (advice_detached_head)
- detach_advice(sha1_to_hex(sha1));
+ detach_advice(oid_to_hex(&oid));
} else {
if (!starts_with(head, "refs/heads/"))
die(_("HEAD not found below refs/heads!"));
@@ -715,7 +733,7 @@ static int checkout(void)
setup_work_tree();
lock_file = xcalloc(1, sizeof(struct lock_file));
- hold_locked_index(lock_file, 1);
+ hold_locked_index(lock_file, LOCK_DIE_ON_ERROR);
memset(&opts, 0, sizeof opts);
opts.update = 1;
@@ -725,7 +743,7 @@ static int checkout(void)
opts.src_index = &the_index;
opts.dst_index = &the_index;
- tree = parse_tree_indirect(sha1);
+ tree = parse_tree_indirect(&oid);
parse_tree(tree);
init_tree_desc(&t, tree->buffer, tree->size);
if (unpack_trees(1, &t, &opts) < 0)
@@ -735,9 +753,9 @@ static int checkout(void)
die(_("unable to write new index file"));
err |= run_hook_le(NULL, "post-checkout", sha1_to_hex(null_sha1),
- sha1_to_hex(sha1), "1", NULL);
+ oid_to_hex(&oid), "1", NULL);
- if (!err && option_recursive) {
+ if (!err && (option_recurse_submodules.nr > 0)) {
struct argv_array args = ARGV_ARRAY_INIT;
argv_array_pushl(&args, "submodule", "update", "--init", "--recursive", NULL);
@@ -747,6 +765,12 @@ static int checkout(void)
if (max_jobs != -1)
argv_array_pushf(&args, "--jobs=%d", max_jobs);
+ if (submodule_progress)
+ argv_array_push(&args, "--progress");
+
+ if (option_verbosity < 0)
+ argv_array_push(&args, "--quiet");
+
err = run_command_v_opt(args.argv, RUN_GIT_CMD);
argv_array_clear(&args);
}
@@ -756,7 +780,9 @@ static int checkout(void)
static int write_one_config(const char *key, const char *value, void *data)
{
- return git_config_set_multivar_gently(key, value ? value : "true", "^$", 0);
+ return git_config_set_multivar_gently(key,
+ value ? value : "true",
+ CONFIG_REGEX_NONE, 0);
}
static void write_config(struct string_list *config)
@@ -854,6 +880,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
const char *src_ref_prefix = "refs/heads/";
struct remote *remote;
int err = 0, complete_refs_before_fetch = 1;
+ int submodule_progress;
struct refspec *refspec;
const char *fetch_pattern;
@@ -870,8 +897,10 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
usage_msg_opt(_("You must specify a repository to clone."),
builtin_clone_usage, builtin_clone_options);
+ if (option_depth || option_since || option_not.nr)
+ deepen = 1;
if (option_single_branch == -1)
- option_single_branch = option_depth ? 1 : 0;
+ option_single_branch = deepen ? 1 : 0;
if (option_mirror)
option_bare = 1;
@@ -892,7 +921,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
path = get_repo_path(repo_name, &is_bundle);
if (path)
- repo = xstrdup(absolute_path(repo_name));
+ repo = absolute_pathdup(repo_name);
else if (!strchr(repo_name, ':'))
die(_("repository '%s' does not exist"), repo_name);
else
@@ -944,23 +973,58 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
set_git_work_tree(work_tree);
}
- junk_git_dir = git_dir;
+ junk_git_dir = real_git_dir ? real_git_dir : git_dir;
if (safe_create_leading_directories_const(git_dir) < 0)
die(_("could not create leading directories of '%s'"), git_dir);
- set_git_dir_init(git_dir, real_git_dir, 0);
- if (real_git_dir) {
- git_dir = real_git_dir;
- junk_git_dir = real_git_dir;
- }
-
if (0 <= option_verbosity) {
if (option_bare)
fprintf(stderr, _("Cloning into bare repository '%s'...\n"), dir);
else
fprintf(stderr, _("Cloning into '%s'...\n"), dir);
}
- init_db(option_template, INIT_DB_QUIET);
+
+ if (option_recurse_submodules.nr > 0) {
+ struct string_list_item *item;
+ struct strbuf sb = STRBUF_INIT;
+
+ /* remove duplicates */
+ string_list_sort(&option_recurse_submodules);
+ string_list_remove_duplicates(&option_recurse_submodules, 0);
+
+ /*
+ * NEEDSWORK: In a multi-working-tree world, this needs to be
+ * set in the per-worktree config.
+ */
+ for_each_string_list_item(item, &option_recurse_submodules) {
+ strbuf_addf(&sb, "submodule.active=%s",
+ item->string);
+ string_list_append(&option_config,
+ strbuf_detach(&sb, NULL));
+ }
+
+ if (option_required_reference.nr &&
+ option_optional_reference.nr)
+ die(_("clone --recursive is not compatible with "
+ "both --reference and --reference-if-able"));
+ else if (option_required_reference.nr) {
+ string_list_append(&option_config,
+ "submodule.alternateLocation=superproject");
+ string_list_append(&option_config,
+ "submodule.alternateErrorStrategy=die");
+ } else if (option_optional_reference.nr) {
+ string_list_append(&option_config,
+ "submodule.alternateLocation=superproject");
+ string_list_append(&option_config,
+ "submodule.alternateErrorStrategy=info");
+ }
+ }
+
+ init_db(git_dir, real_git_dir, option_template, INIT_DB_QUIET);
+
+ if (real_git_dir)
+ git_dir = real_git_dir;
+
write_config(&option_config);
git_config(git_default_config, NULL);
@@ -980,7 +1044,13 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
git_config_set(key.buf, repo);
strbuf_reset(&key);
- if (option_reference.nr)
+ if (option_no_tags) {
+ strbuf_addf(&key, "remote.%s.tagOpt", option_origin);
+ git_config_set(key.buf, "--no-tags");
+ strbuf_reset(&key);
+ }
+
+ if (option_required_reference.nr || option_optional_reference.nr)
setup_reference();
fetch_pattern = value.buf;
@@ -998,6 +1068,10 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
if (is_local) {
if (option_depth)
warning(_("--depth is ignored in local clones; use file:// instead."));
+ if (option_since)
+ warning(_("--shallow-since is ignored in local clones; use file:// instead."));
+ if (option_not.nr)
+ warning(_("--shallow-exclude is ignored in local clones; use file:// instead."));
if (!access(mkpath("%s/shallow", path), F_OK)) {
if (option_local > 0)
warning(_("source repository is shallow, ignoring --local"));
@@ -1016,6 +1090,12 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
if (option_depth)
transport_set_option(transport, TRANS_OPT_DEPTH,
option_depth);
+ if (option_since)
+ transport_set_option(transport, TRANS_OPT_DEEPEN_SINCE,
+ option_since);
+ if (option_not.nr)
+ transport_set_option(transport, TRANS_OPT_DEEPEN_NOT,
+ (const char *)&option_not);
if (option_single_branch)
transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, "1");
@@ -1023,7 +1103,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
transport_set_option(transport, TRANS_OPT_UPLOADPACK,
option_upload_pack);
- if (transport->smart_options && !option_depth)
+ if (transport->smart_options && !deepen)
transport->smart_options->check_self_contained_and_connected = 1;
refs = transport_get_remote_refs(transport);
@@ -1093,6 +1173,14 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
update_head(our_head_points_at, remote_head, reflog_msg.buf);
+ /*
+ * We want to show progress for recursive submodule clones iff
+ * we did so for the main clone. But only the transport knows
+ * the final decision for this flag, so we need to rescue the value
+ * before we free the transport.
+ */
+ submodule_progress = transport->progress;
+
transport_unlock_pack(transport);
transport_disconnect(transport);
@@ -1102,7 +1190,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
}
junk_mode = JUNK_LEAVE_REPO;
- err = checkout();
+ err = checkout(submodule_progress);
strbuf_release(&reflog_msg);
strbuf_release(&branch_top);