#include "refs.h"
#include "commit.h"
#include "builtin.h"
-#include "path-list.h"
+#include "string-list.h"
#include "remote.h"
#include "transport.h"
#include "run-command.h"
#include "parse-options.h"
+#include "sigchain.h"
static const char * const builtin_fetch_usage[] = {
- "git-fetch [options] [<repository> <refspec>...]",
+ "git fetch [options] [<repository> <refspec>...]",
NULL
};
TAGS_SET = 2
};
-static int append, force, keep, update_head_ok, verbose, quiet;
+static int append, force, keep, update_head_ok, verbosity;
static int tags = TAGS_DEFAULT;
static const char *depth;
static const char *upload_pack;
static struct transport *transport;
static struct option builtin_fetch_options[] = {
- OPT__QUIET(&quiet),
- OPT__VERBOSE(&verbose),
+ OPT__VERBOSITY(&verbosity),
OPT_BOOLEAN('a', "append", &append,
"append to .git/FETCH_HEAD instead of overwriting"),
OPT_STRING(0, "upload-pack", &upload_pack, "PATH",
static void unlock_pack_on_signal(int signo)
{
unlock_pack();
- signal(SIGINT, SIG_DFL);
+ sigchain_pop(signo);
raise(signo);
}
/*
* Not fetched to a tracking branch? We need to fetch
* it anyway to allow this branch's "branch.$name.merge"
- * to be honored by git-pull, but we do not have to
+ * to be honored by 'git pull', but we do not have to
* fail if branch.$name.merge is misconfigured to point
* at a nonexisting branch. If we were indeed called by
- * git-pull, it will notice the misconfiguration because
+ * 'git pull', it will notice the misconfiguration because
* there is no entry in the resulting FETCH_HEAD marked
* for merging.
*/
/* Merge everything on the command line, but not --tags */
for (rm = ref_map; rm; rm = rm->next)
rm->merge = 1;
- if (tags == TAGS_SET) {
- struct refspec refspec;
- refspec.src = "refs/tags/";
- refspec.dst = "refs/tags/";
- refspec.pattern = 1;
- refspec.force = 0;
- get_fetch_map(remote_refs, &refspec, &tail, 0);
- }
+ if (tags == TAGS_SET)
+ get_fetch_map(remote_refs, tag_refspec, &tail, 0);
} else {
/* Use the defaults */
struct remote *remote = transport->remote;
lock = lock_any_ref_for_update(ref->name,
check_old ? ref->old_sha1 : NULL, 0);
if (!lock)
- return 1;
+ return 2;
if (write_ref_sha1(lock, ref->new_sha1, msg) < 0)
- return 1;
+ return 2;
return 0;
}
static int update_local_ref(struct ref *ref,
const char *remote,
- int verbose,
char *display)
{
struct commit *current = NULL, *updated;
die("object %s not found", sha1_to_hex(ref->new_sha1));
if (!hashcmp(ref->old_sha1, ref->new_sha1)) {
- if (verbose)
+ if (verbosity > 0)
sprintf(display, "= %-*s %-*s -> %s", SUMMARY_WIDTH,
"[up to date]", REFCOL_WIDTH, remote,
pretty_ref);
if (!is_null_sha1(ref->old_sha1) &&
!prefixcmp(ref->name, "refs/tags/")) {
- sprintf(display, "- %-*s %-*s -> %s",
+ int r;
+ r = s_update_ref("updating tag", ref, 0);
+ sprintf(display, "%c %-*s %-*s -> %s%s", r ? '!' : '-',
SUMMARY_WIDTH, "[tag update]", REFCOL_WIDTH, remote,
- pretty_ref);
- return s_update_ref("updating tag", ref, 0);
+ pretty_ref, r ? " (unable to update local ref)" : "");
+ return r;
}
current = lookup_commit_reference_gently(ref->old_sha1, 1);
if (!current || !updated) {
const char *msg;
const char *what;
+ int r;
if (!strncmp(ref->name, "refs/tags/", 10)) {
msg = "storing tag";
what = "[new tag]";
what = "[new branch]";
}
- sprintf(display, "* %-*s %-*s -> %s", SUMMARY_WIDTH, what,
- REFCOL_WIDTH, remote, pretty_ref);
- return s_update_ref(msg, ref, 0);
+ r = s_update_ref(msg, ref, 0);
+ sprintf(display, "%c %-*s %-*s -> %s%s", r ? '!' : '*',
+ SUMMARY_WIDTH, what, REFCOL_WIDTH, remote, pretty_ref,
+ r ? " (unable to update local ref)" : "");
+ return r;
}
if (in_merge_bases(current, &updated, 1)) {
char quickref[83];
+ int r;
strcpy(quickref, find_unique_abbrev(current->object.sha1, DEFAULT_ABBREV));
strcat(quickref, "..");
strcat(quickref, find_unique_abbrev(ref->new_sha1, DEFAULT_ABBREV));
- sprintf(display, " %-*s %-*s -> %s", SUMMARY_WIDTH, quickref,
- REFCOL_WIDTH, remote, pretty_ref);
- return s_update_ref("fast forward", ref, 1);
+ r = s_update_ref("fast forward", ref, 1);
+ sprintf(display, "%c %-*s %-*s -> %s%s", r ? '!' : ' ',
+ SUMMARY_WIDTH, quickref, REFCOL_WIDTH, remote,
+ pretty_ref, r ? " (unable to update local ref)" : "");
+ return r;
} else if (force || ref->force) {
char quickref[84];
+ int r;
strcpy(quickref, find_unique_abbrev(current->object.sha1, DEFAULT_ABBREV));
strcat(quickref, "...");
strcat(quickref, find_unique_abbrev(ref->new_sha1, DEFAULT_ABBREV));
- sprintf(display, "+ %-*s %-*s -> %s (forced update)",
- SUMMARY_WIDTH, quickref, REFCOL_WIDTH, remote, pretty_ref);
- return s_update_ref("forced-update", ref, 1);
+ r = s_update_ref("forced-update", ref, 1);
+ sprintf(display, "%c %-*s %-*s -> %s (%s)", r ? '!' : '+',
+ SUMMARY_WIDTH, quickref, REFCOL_WIDTH, remote,
+ pretty_ref,
+ r ? "unable to update local ref" : "forced update");
+ return r;
} else {
sprintf(display, "! %-*s %-*s -> %s (non fast forward)",
SUMMARY_WIDTH, "[rejected]", REFCOL_WIDTH, remote,
}
}
-static int store_updated_refs(const char *url, struct ref *ref_map)
+static int store_updated_refs(const char *url, const char *remote_name,
+ struct ref *ref_map)
{
FILE *fp;
struct commit *commit;
- int url_len, i, note_len, shown_url = 0;
+ int url_len, i, note_len, shown_url = 0, rc = 0;
char note[1024];
const char *what, *kind;
struct ref *rm;
note);
if (ref)
- update_local_ref(ref, what, verbose, note);
- else if (verbose)
+ rc |= update_local_ref(ref, what, note);
+ else
sprintf(note, "* %-*s %-*s -> FETCH_HEAD",
SUMMARY_WIDTH, *kind ? kind : "branch",
REFCOL_WIDTH, *what ? what : "HEAD");
- else
- *note = '\0';
if (*note) {
- if (!shown_url) {
+ if (verbosity >= 0 && !shown_url) {
fprintf(stderr, "From %.*s\n",
url_len, url);
shown_url = 1;
}
- fprintf(stderr, " %s\n", note);
+ if (verbosity >= 0)
+ fprintf(stderr, " %s\n", note);
}
}
fclose(fp);
- return 0;
+ if (rc & 2)
+ error("some local refs could not be updated; try running\n"
+ " 'git remote prune %s' to remove any old, conflicting "
+ "branches", remote_name);
+ return rc;
}
/*
* The refs we are going to fetch are in to_fetch (nr_heads in
* total). If running
*
- * $ git-rev-list --objects to_fetch[0] to_fetch[1] ... --not --all
+ * $ git rev-list --objects to_fetch[0] to_fetch[1] ... --not --all
*
* does not error out, that means everything reachable from the
* refs we are going to fetch exists and is connected to some of
if (ret)
ret = transport_fetch_refs(transport, ref_map);
if (!ret)
- ret |= store_updated_refs(transport->url, ref_map);
+ ret |= store_updated_refs(transport->url,
+ transport->remote->name,
+ ref_map);
transport_unlock_pack(transport);
return ret;
}
static int add_existing(const char *refname, const unsigned char *sha1,
int flag, void *cbdata)
{
- struct path_list *list = (struct path_list *)cbdata;
- path_list_insert(refname, list);
+ struct string_list *list = (struct string_list *)cbdata;
+ string_list_insert(refname, list);
return 0;
}
struct ref **head,
struct ref ***tail)
{
- struct path_list existing_refs = { NULL, 0, 0, 0 };
- struct path_list new_refs = { NULL, 0, 0, 1 };
+ struct string_list existing_refs = { NULL, 0, 0, 0 };
+ struct string_list new_refs = { NULL, 0, 0, 1 };
char *ref_name;
int ref_name_len;
const unsigned char *ref_sha1;
}
}
- if (!path_list_has_path(&existing_refs, ref_name) &&
- !path_list_has_path(&new_refs, ref_name) &&
+ if (!string_list_has_string(&existing_refs, ref_name) &&
+ !string_list_has_string(&new_refs, ref_name) &&
(has_sha1_file(ref->old_sha1) ||
will_fetch(head, ref->old_sha1))) {
- path_list_insert(ref_name, &new_refs);
+ string_list_insert(ref_name, &new_refs);
- rm = alloc_ref(strlen(ref_name) + 1);
- strcpy(rm->name, ref_name);
- rm->peer_ref = alloc_ref(strlen(ref_name) + 1);
- strcpy(rm->peer_ref->name, ref_name);
+ rm = alloc_ref(ref_name);
+ rm->peer_ref = alloc_ref(ref_name);
hashcpy(rm->old_sha1, ref_sha1);
**tail = rm;
}
free(ref_name);
}
- path_list_clear(&existing_refs, 0);
- path_list_clear(&new_refs, 0);
+ string_list_clear(&existing_refs, 0);
+ string_list_clear(&new_refs, 0);
+}
+
+static void check_not_current_branch(struct ref *ref_map)
+{
+ struct branch *current_branch = branch_get(NULL);
+
+ if (is_bare_repository() || !current_branch)
+ return;
+
+ for (; ref_map; ref_map = ref_map->next)
+ if (ref_map->peer_ref && !strcmp(current_branch->refname,
+ ref_map->peer_ref->name))
+ die("Refusing to fetch into current branch");
}
static int do_fetch(struct transport *transport,
}
ref_map = get_ref_map(transport, refs, ref_count, tags, &autotags);
+ if (!update_head_ok)
+ check_not_current_branch(ref_map);
for (rm = ref_map; rm; rm = rm->next) {
if (rm->peer_ref)
{
int r = transport_set_option(transport, name, value);
if (r < 0)
- die("Option \"%s\" value \"%s\" is not valid for %s\n",
+ die("Option \"%s\" value \"%s\" is not valid for %s",
name, value, transport->url);
if (r > 0)
warning("Option \"%s\" is ignored for %s\n",
else
remote = remote_get(argv[0]);
+ if (!remote)
+ die("Where do you want to fetch from today?");
+
transport = transport_get(remote, remote->url[0]);
- if (verbose >= 2)
+ if (verbosity >= 2)
transport->verbose = 1;
- if (quiet)
+ if (verbosity < 0)
transport->verbose = -1;
if (upload_pack)
set_option(TRANS_OPT_UPLOADPACK, upload_pack);
if (depth)
set_option(TRANS_OPT_DEPTH, depth);
- if (!transport->url)
- die("Where do you want to fetch from today?");
-
if (argc > 1) {
int j = 0;
refs = xcalloc(argc + 1, sizeof(const char *));
ref_nr = j;
}
- signal(SIGINT, unlock_pack_on_signal);
+ sigchain_push_common(unlock_pack_on_signal);
atexit(unlock_pack);
exit_code = do_fetch(transport,
parse_fetch_refspec(ref_nr, refs), ref_nr);