diff options
Diffstat (limited to 'builtin/clone.c')
-rw-r--r-- | builtin/clone.c | 84 |
1 files changed, 53 insertions, 31 deletions
diff --git a/builtin/clone.c b/builtin/clone.c index b12989d1ca..957246723e 100644 --- a/builtin/clone.c +++ b/builtin/clone.c @@ -9,6 +9,7 @@ */ #include "builtin.h" +#include "lockfile.h" #include "parse-options.h" #include "fetch-pack.h" #include "refs.h" @@ -33,7 +34,7 @@ * */ static const char * const builtin_clone_usage[] = { - N_("git clone [options] [--] <repo> [<dir>]"), + N_("git clone [<options>] [--] <repo> [<dir>]"), NULL }; @@ -48,6 +49,7 @@ static int option_verbosity; static int option_progress = -1; static struct string_list option_config; static struct string_list option_reference; +static int option_dissociate; static int opt_parse_reference(const struct option *opt, const char *arg, int unset) { @@ -93,6 +95,8 @@ static struct option builtin_clone_options[] = { N_("create a shallow clone of that depth")), OPT_BOOL(0, "single-branch", &option_single_branch, N_("clone only one branch, HEAD or --branch")), + OPT_BOOL(0, "dissociate", &option_dissociate, + N_("use --reference only while cloning")), OPT_STRING(0, "separate-git-dir", &real_git_dir, N_("gitdir"), N_("separate git dir from working tree")), OPT_STRING_LIST('c', "config", &option_config, N_("key=value"), @@ -390,7 +394,6 @@ static void clone_local(const char *src_repo, const char *dest_repo) static const char *junk_work_tree; static const char *junk_git_dir; -static pid_t junk_pid; static enum { JUNK_LEAVE_NONE, JUNK_LEAVE_REPO, @@ -417,8 +420,6 @@ static void remove_junk(void) break; } - if (getpid() != junk_pid) - return; if (junk_git_dir) { strbuf_addstr(&sb, junk_git_dir); remove_dir_recursively(&sb, 0); @@ -584,11 +585,11 @@ static void update_remote_refs(const struct ref *refs, static void update_head(const struct ref *our, const struct ref *remote, const char *msg) { - if (our && starts_with(our->name, "refs/heads/")) { + const char *head; + if (our && skip_prefix(our->name, "refs/heads/", &head)) { /* Local default branch link */ create_symref("HEAD", our->name, NULL); if (!option_bare) { - const char *head = skip_prefix(our->name, "refs/heads/"); update_ref(msg, "HEAD", our->old_sha1, NULL, 0, UPDATE_REFS_DIE_ON_ERR); install_branch_config(0, head, option_origin, our->name); @@ -617,12 +618,12 @@ static int checkout(void) struct unpack_trees_options opts; struct tree *tree; struct tree_desc t; - int err = 0, fd; + int err = 0; if (option_no_checkout) return 0; - head = resolve_refdup("HEAD", sha1, 1, NULL); + head = resolve_refdup("HEAD", RESOLVE_REF_READING, sha1, NULL); if (!head) { warning(_("remote HEAD refers to nonexistent ref, " "unable to checkout.\n")); @@ -641,7 +642,7 @@ static int checkout(void) setup_work_tree(); lock_file = xcalloc(1, sizeof(struct lock_file)); - fd = hold_locked_index(lock_file, 1); + hold_locked_index(lock_file, 1); memset(&opts, 0, sizeof opts); opts.update = 1; @@ -657,8 +658,7 @@ static int checkout(void) if (unpack_trees(1, &t, &opts) < 0) die(_("unable to checkout working tree")); - if (write_cache(fd, active_cache, active_nr) || - commit_locked_index(lock_file)) + if (write_locked_index(&the_index, lock_file, COMMIT_LOCK)) die(_("unable to write new index file")); err |= run_hook_le(NULL, "post-checkout", sha1_to_hex(null_sha1), @@ -686,9 +686,10 @@ static void write_config(struct string_list *config) } } -static void write_refspec_config(const char* src_ref_prefix, - const struct ref* our_head_points_at, - const struct ref* remote_head_points_at, struct strbuf* branch_top) +static void write_refspec_config(const char *src_ref_prefix, + const struct ref *our_head_points_at, + const struct ref *remote_head_points_at, + struct strbuf *branch_top) { struct strbuf key = STRBUF_INIT; struct strbuf value = STRBUF_INIT; @@ -696,16 +697,19 @@ static void write_refspec_config(const char* src_ref_prefix, if (option_mirror || !option_bare) { if (option_single_branch && !option_mirror) { if (option_branch) { - if (strstr(our_head_points_at->name, "refs/tags/")) + if (starts_with(our_head_points_at->name, "refs/tags/")) strbuf_addf(&value, "+%s:%s", our_head_points_at->name, our_head_points_at->name); else strbuf_addf(&value, "+%s:%s%s", our_head_points_at->name, branch_top->buf, option_branch); } else if (remote_head_points_at) { + const char *head = remote_head_points_at->name; + if (!skip_prefix(head, "refs/heads/", &head)) + die("BUG: remote HEAD points at non-head?"); + strbuf_addf(&value, "+%s:%s%s", remote_head_points_at->name, - branch_top->buf, - skip_prefix(remote_head_points_at->name, "refs/heads/")); + branch_top->buf, head); } /* * otherwise, the next "git fetch" will @@ -734,6 +738,16 @@ static void write_refspec_config(const char* src_ref_prefix, strbuf_release(&value); } +static void dissociate_from_references(void) +{ + static const char* argv[] = { "repack", "-a", "-d", NULL }; + + if (run_command_v_opt(argv, RUN_GIT_CMD|RUN_COMMAND_NO_STDIN)) + die(_("cannot repack to clean up")); + if (unlink(git_path("objects/info/alternates")) && errno != ENOENT) + die_errno(_("cannot unlink temporary alternates file")); +} + int cmd_clone(int argc, const char **argv, const char *prefix) { int is_bundle = 0, is_local; @@ -756,8 +770,6 @@ int cmd_clone(int argc, const char **argv, const char *prefix) struct refspec *refspec; const char *fetch_pattern; - junk_pid = getpid(); - packet_trace_identity("clone"); argc = parse_options(argc, argv, prefix, builtin_clone_options, builtin_clone_usage, 0); @@ -797,18 +809,6 @@ int cmd_clone(int argc, const char **argv, const char *prefix) die(_("repository '%s' does not exist"), repo_name); else repo = repo_name; - is_local = option_local != 0 && path && !is_bundle; - if (is_local) { - if (option_depth) - warning(_("--depth 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")); - is_local = 0; - } - } - if (option_local > 0 && !is_local) - warning(_("--local is ignored")); /* no need to be strict, transport_set_option() will validate it again */ if (option_depth && atoi(option_depth) < 1) @@ -893,6 +893,10 @@ int cmd_clone(int argc, const char **argv, const char *prefix) if (option_reference.nr) setup_reference(); + else if (option_dissociate) { + warning(_("--dissociate given, but there is no --reference")); + option_dissociate = 0; + } fetch_pattern = value.buf; refspec = parse_fetch_refspec(1, &fetch_pattern); @@ -901,6 +905,19 @@ int cmd_clone(int argc, const char **argv, const char *prefix) remote = remote_get(option_origin); transport = transport_get(remote, remote->url[0]); + path = get_repo_path(remote->url[0], &is_bundle); + is_local = option_local != 0 && path && !is_bundle; + if (is_local) { + if (option_depth) + warning(_("--depth 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")); + is_local = 0; + } + } + if (option_local > 0 && !is_local) + warning(_("--local is ignored")); transport->cloning = 1; if (!transport->get_refs_list || (!is_local && !transport->fetch)) @@ -993,6 +1010,9 @@ int cmd_clone(int argc, const char **argv, const char *prefix) transport_unlock_pack(transport); transport_disconnect(transport); + if (option_dissociate) + dissociate_from_references(); + junk_mode = JUNK_LEAVE_REPO; err = checkout(); @@ -1001,5 +1021,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix) strbuf_release(&key); strbuf_release(&value); junk_mode = JUNK_LEAVE_ALL; + + free(refspec); return err; } |