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diff --git a/builtin-fetch.c b/builtin-fetch.c
index be9e3ea2bcea0d0ab88a51d396aff5714822b77a..7eec4a0e43ad5760f1060a7d5bcf2a5083015130 100644 (file)
--- a/builtin-fetch.c
+++ b/builtin-fetch.c
#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"
-static const char fetch_usage[] = "git-fetch [-a | --append] [--upload-pack <upload-pack>] [-f | --force] [--no-tags] [-t | --tags] [-k | --keep] [-u | --update-head-ok] [--depth <depth>] [-v | --verbose] [<repository> <refspec>...]";
+static const char * const builtin_fetch_usage[] = {
+ "git fetch [options] [<repository> <refspec>...]",
+ NULL
+};
-static int append, force, tags, no_tags, update_head_ok, verbose, quiet;
+enum {
+ TAGS_UNSET = 0,
+ TAGS_DEFAULT = 1,
+ TAGS_SET = 2
+};
+
+static int append, force, keep, update_head_ok, verbose, quiet;
+static int tags = TAGS_DEFAULT;
static const char *depth;
-static char *default_rla = NULL;
+static const char *upload_pack;
+static struct strbuf default_rla = STRBUF_INIT;
static struct transport *transport;
+static struct option builtin_fetch_options[] = {
+ OPT__QUIET(&quiet),
+ OPT__VERBOSE(&verbose),
+ OPT_BOOLEAN('a', "append", &append,
+ "append to .git/FETCH_HEAD instead of overwriting"),
+ OPT_STRING(0, "upload-pack", &upload_pack, "PATH",
+ "path to upload pack on remote end"),
+ OPT_BOOLEAN('f', "force", &force,
+ "force overwrite of local branch"),
+ OPT_SET_INT('t', "tags", &tags,
+ "fetch all tags and associated objects", TAGS_SET),
+ OPT_SET_INT('n', NULL, &tags,
+ "do not fetch all tags (--no-tags)", TAGS_UNSET),
+ OPT_BOOLEAN('k', "keep", &keep, "keep downloaded pack"),
+ OPT_BOOLEAN('u', "update-head-ok", &update_head_ok,
+ "allow updating of HEAD ref"),
+ OPT_STRING(0, "depth", &depth, "DEPTH",
+ "deepen history of shallow clone"),
+ OPT_END()
+};
+
static void unlock_pack(void)
{
if (transport)
}
static void add_merge_config(struct ref **head,
- struct ref *remote_refs,
+ const struct ref *remote_refs,
struct branch *branch,
struct ref ***tail)
{
}
}
+static void find_non_local_tags(struct transport *transport,
+ struct ref **head,
+ struct ref ***tail);
+
static struct ref *get_ref_map(struct transport *transport,
struct refspec *refs, int ref_count, int tags,
int *autotags)
struct ref *ref_map = NULL;
struct ref **tail = &ref_map;
- struct ref *remote_refs = transport_get_remote_refs(transport);
+ const struct ref *remote_refs = transport_get_remote_refs(transport);
- if (ref_count || tags) {
+ if (ref_count || tags == TAGS_SET) {
for (i = 0; i < ref_count; i++) {
get_fetch_map(remote_refs, &refs[i], &tail, 0);
if (refs[i].dst && refs[i].dst[0])
/* Merge everything on the command line, but not --tags */
for (rm = ref_map; rm; rm = rm->next)
rm->merge = 1;
- if (tags) {
- 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;
if (!ref_map)
die("Couldn't find remote ref HEAD");
ref_map->merge = 1;
+ tail = &ref_map->next;
}
}
+ if (tags == TAGS_DEFAULT && *autotags)
+ find_non_local_tags(transport, &ref_map, &tail);
ref_remove_duplicates(ref_map);
return ref_map;
static struct ref_lock *lock;
if (!rla)
- rla = default_rla;
+ rla = default_rla.buf;
snprintf(msg, sizeof(msg), "%s: %s", rla, action);
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;
}
if (type < 0)
die("object %s not found", sha1_to_hex(ref->new_sha1));
- if (!*ref->name) {
- /* Not storing */
- if (verbose)
- sprintf(display, "* branch %s -> FETCH_HEAD", remote);
- return 0;
- }
-
if (!hashcmp(ref->old_sha1, ref->new_sha1)) {
if (verbose)
sprintf(display, "= %-*s %-*s -> %s", SUMMARY_WIDTH,
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 void 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;
+ char *filename = git_path("FETCH_HEAD");
- fp = fopen(git_path("FETCH_HEAD"), "a");
+ fp = fopen(filename, "a");
+ if (!fp)
+ return error("cannot open %s: %s\n", filename, strerror(errno));
for (rm = ref_map; rm; rm = rm->next) {
struct ref *ref = NULL;
rm->merge ? "" : "not-for-merge",
note);
- if (ref) {
- update_local_ref(ref, what, verbose, note);
- if (*note) {
- if (!shown_url) {
- fprintf(stderr, "From %.*s\n",
- url_len, url);
- shown_url = 1;
- }
- fprintf(stderr, " %s\n", note);
+ if (ref)
+ rc |= update_local_ref(ref, what, verbose, note);
+ else
+ sprintf(note, "* %-*s %-*s -> FETCH_HEAD",
+ SUMMARY_WIDTH, *kind ? kind : "branch",
+ REFCOL_WIDTH, *what ? what : "HEAD");
+ if (*note) {
+ if (!shown_url) {
+ fprintf(stderr, "From %.*s\n",
+ url_len, url);
+ shown_url = 1;
}
+ fprintf(stderr, " %s\n", note);
}
}
fclose(fp);
+ 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;
}
/*
if (ret)
ret = transport_fetch_refs(transport, ref_map);
if (!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;
+}
+
+static int will_fetch(struct ref **head, const unsigned char *sha1)
+{
+ struct ref *rm = *head;
+ while (rm) {
+ if (!hashcmp(rm->old_sha1, sha1))
+ return 1;
+ rm = rm->next;
+ }
return 0;
}
-static struct ref *find_non_local_tags(struct transport *transport,
- struct ref *fetch_map)
+static void find_non_local_tags(struct transport *transport,
+ struct ref **head,
+ struct ref ***tail)
{
- static 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;
- unsigned char *ref_sha1;
- struct ref *tag_ref;
+ const unsigned char *ref_sha1;
+ const struct ref *tag_ref;
struct ref *rm = NULL;
- struct ref *ref_map = NULL;
- struct ref **tail = &ref_map;
- struct ref *ref;
+ const struct ref *ref;
for_each_ref(add_existing, &existing_refs);
for (ref = transport_get_remote_refs(transport); ref; ref = ref->next) {
}
}
- if (!path_list_has_path(&existing_refs, ref_name) &&
- !path_list_has_path(&new_refs, ref_name) &&
- has_sha1_file(ref->old_sha1)) {
- path_list_insert(ref_name, &new_refs);
+ 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))) {
+ 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_from_str(ref_name);
+ rm->peer_ref = alloc_ref_from_str(ref_name);
hashcpy(rm->old_sha1, ref_sha1);
- *tail = rm;
- tail = &rm->next;
+ **tail = rm;
+ *tail = &rm->next;
}
free(ref_name);
}
-
- return ref_map;
+ string_list_clear(&existing_refs, 0);
+ string_list_clear(&new_refs, 0);
}
static int do_fetch(struct transport *transport,
struct refspec *refs, int ref_count)
{
- struct ref *ref_map, *fetch_map;
+ struct ref *ref_map;
struct ref *rm;
int autotags = (transport->remote->fetch_tags == 1);
- if (transport->remote->fetch_tags == 2 && !no_tags)
- tags = 1;
+ if (transport->remote->fetch_tags == 2 && tags != TAGS_UNSET)
+ tags = TAGS_SET;
if (transport->remote->fetch_tags == -1)
- no_tags = 1;
+ tags = TAGS_UNSET;
if (!transport->get_refs_list || !transport->fetch)
die("Don't know how to fetch from %s", transport->url);
/* if not appending, truncate FETCH_HEAD */
- if (!append)
- fclose(fopen(git_path("FETCH_HEAD"), "w"));
+ if (!append) {
+ char *filename = git_path("FETCH_HEAD");
+ FILE *fp = fopen(filename, "w");
+ if (!fp)
+ return error("cannot open %s: %s\n", filename, strerror(errno));
+ fclose(fp);
+ }
ref_map = get_ref_map(transport, refs, ref_count, tags, &autotags);
read_ref(rm->peer_ref->name, rm->peer_ref->old_sha1);
}
+ if (tags == TAGS_DEFAULT && autotags)
+ transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, "1");
if (fetch_refs(transport, ref_map)) {
free_refs(ref_map);
return 1;
}
-
- fetch_map = ref_map;
+ free_refs(ref_map);
/* if neither --no-tags nor --tags was specified, do automated tag
* following ... */
- if (!(tags || no_tags) && autotags) {
- ref_map = find_non_local_tags(transport, fetch_map);
+ if (tags == TAGS_DEFAULT && autotags) {
+ struct ref **tail = &ref_map;
+ ref_map = NULL;
+ find_non_local_tags(transport, &ref_map, &tail);
if (ref_map) {
+ transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, NULL);
transport_set_option(transport, TRANS_OPT_DEPTH, "0");
fetch_refs(transport, ref_map);
}
free_refs(ref_map);
}
- free_refs(fetch_map);
-
return 0;
}
int cmd_fetch(int argc, const char **argv, const char *prefix)
{
struct remote *remote;
- int i, j, rla_offset;
+ int i;
static const char **refs = NULL;
int ref_nr = 0;
- int cmd_len = 0;
- const char *upload_pack = NULL;
- int keep = 0;
-
- for (i = 1; i < argc; i++) {
- const char *arg = argv[i];
- cmd_len += strlen(arg);
-
- if (arg[0] != '-')
- break;
- if (!strcmp(arg, "--append") || !strcmp(arg, "-a")) {
- append = 1;
- continue;
- }
- if (!prefixcmp(arg, "--upload-pack=")) {
- upload_pack = arg + 14;
- continue;
- }
- if (!strcmp(arg, "--upload-pack")) {
- i++;
- if (i == argc)
- usage(fetch_usage);
- upload_pack = argv[i];
- continue;
- }
- if (!strcmp(arg, "--force") || !strcmp(arg, "-f")) {
- force = 1;
- continue;
- }
- if (!strcmp(arg, "--no-tags")) {
- no_tags = 1;
- continue;
- }
- if (!strcmp(arg, "--tags") || !strcmp(arg, "-t")) {
- tags = 1;
- continue;
- }
- if (!strcmp(arg, "--keep") || !strcmp(arg, "-k")) {
- keep = 1;
- continue;
- }
- if (!strcmp(arg, "--update-head-ok") || !strcmp(arg, "-u")) {
- update_head_ok = 1;
- continue;
- }
- if (!prefixcmp(arg, "--depth=")) {
- depth = arg + 8;
- continue;
- }
- if (!strcmp(arg, "--depth")) {
- i++;
- if (i == argc)
- usage(fetch_usage);
- depth = argv[i];
- continue;
- }
- if (!strcmp(arg, "--quiet") || !strcmp(arg, "-q")) {
- quiet = 1;
- continue;
- }
- if (!strcmp(arg, "--verbose") || !strcmp(arg, "-v")) {
- verbose++;
- continue;
- }
- usage(fetch_usage);
- }
+ int exit_code;
- for (j = i; j < argc; j++)
- cmd_len += strlen(argv[j]);
+ /* Record the command line for the reflog */
+ strbuf_addstr(&default_rla, "fetch");
+ for (i = 1; i < argc; i++)
+ strbuf_addf(&default_rla, " %s", argv[i]);
- default_rla = xmalloc(cmd_len + 5 + argc + 1);
- sprintf(default_rla, "fetch");
- rla_offset = strlen(default_rla);
- for (j = 1; j < argc; j++) {
- sprintf(default_rla + rla_offset, " %s", argv[j]);
- rla_offset += strlen(argv[j]) + 1;
- }
+ argc = parse_options(argc, argv,
+ builtin_fetch_options, builtin_fetch_usage, 0);
- if (i == argc)
+ if (argc == 0)
remote = remote_get(NULL);
else
- remote = remote_get(argv[i++]);
+ remote = remote_get(argv[0]);
transport = transport_get(remote, remote->url[0]);
if (verbose >= 2)
if (!transport->url)
die("Where do you want to fetch from today?");
- if (i < argc) {
+ if (argc > 1) {
int j = 0;
- refs = xcalloc(argc - i + 1, sizeof(const char *));
- while (i < argc) {
+ refs = xcalloc(argc + 1, sizeof(const char *));
+ for (i = 1; i < argc; i++) {
if (!strcmp(argv[i], "tag")) {
char *ref;
i++;
+ if (i >= argc)
+ die("You need to specify a tag name.");
ref = xmalloc(strlen(argv[i]) * 2 + 22);
strcpy(ref, "refs/tags/");
strcat(ref, argv[i]);
refs[j++] = ref;
} else
refs[j++] = argv[i];
- i++;
}
refs[j] = NULL;
ref_nr = j;
signal(SIGINT, unlock_pack_on_signal);
atexit(unlock_pack);
- return do_fetch(transport, parse_ref_spec(ref_nr, refs), ref_nr);
+ exit_code = do_fetch(transport,
+ parse_fetch_refspec(ref_nr, refs), ref_nr);
+ transport_disconnect(transport);
+ transport = NULL;
+ return exit_code;
}