continue;
}
- if (delete_ref(name, sha1)) {
+ if (delete_ref(name, sha1, 0)) {
error("Error deleting %sbranch '%s'", remote,
argv[i]);
ret = 1;
}
if (verbose) {
- struct strbuf subject;
+ struct strbuf subject = STRBUF_INIT;
const char *sub = " **** invalid ref ****";
char stat[128];
- strbuf_init(&subject, 0);
stat[0] = '\0';
commit = item->commit;
--- /dev/null
- if (delete_ref(name, old_sha1)) {
+#include "cache.h"
+#include "pack.h"
+#include "refs.h"
+#include "pkt-line.h"
+#include "run-command.h"
+#include "exec_cmd.h"
+#include "commit.h"
+#include "object.h"
+#include "remote.h"
+#include "transport.h"
+
+static const char receive_pack_usage[] = "git-receive-pack <git-dir>";
+
+static int deny_deletes = 0;
+static int deny_non_fast_forwards = 0;
+static int receive_fsck_objects;
+static int receive_unpack_limit = -1;
+static int transfer_unpack_limit = -1;
+static int unpack_limit = 100;
+static int report_status;
+
+static char capabilities[] = " report-status delete-refs ";
+static int capabilities_sent;
+
+static int receive_pack_config(const char *var, const char *value, void *cb)
+{
+ if (strcmp(var, "receive.denydeletes") == 0) {
+ deny_deletes = git_config_bool(var, value);
+ return 0;
+ }
+
+ if (strcmp(var, "receive.denynonfastforwards") == 0) {
+ deny_non_fast_forwards = git_config_bool(var, value);
+ return 0;
+ }
+
+ if (strcmp(var, "receive.unpacklimit") == 0) {
+ receive_unpack_limit = git_config_int(var, value);
+ return 0;
+ }
+
+ if (strcmp(var, "transfer.unpacklimit") == 0) {
+ transfer_unpack_limit = git_config_int(var, value);
+ return 0;
+ }
+
+ if (strcmp(var, "receive.fsckobjects") == 0) {
+ receive_fsck_objects = git_config_bool(var, value);
+ return 0;
+ }
+
+ return git_default_config(var, value, cb);
+}
+
+static int show_ref(const char *path, const unsigned char *sha1, int flag, void *cb_data)
+{
+ if (capabilities_sent)
+ packet_write(1, "%s %s\n", sha1_to_hex(sha1), path);
+ else
+ packet_write(1, "%s %s%c%s\n",
+ sha1_to_hex(sha1), path, 0, capabilities);
+ capabilities_sent = 1;
+ return 0;
+}
+
+static void write_head_info(void)
+{
+ for_each_ref(show_ref, NULL);
+ if (!capabilities_sent)
+ show_ref("capabilities^{}", null_sha1, 0, NULL);
+
+}
+
+struct command {
+ struct command *next;
+ const char *error_string;
+ unsigned char old_sha1[20];
+ unsigned char new_sha1[20];
+ char ref_name[FLEX_ARRAY]; /* more */
+};
+
+static struct command *commands;
+
+static const char pre_receive_hook[] = "hooks/pre-receive";
+static const char post_receive_hook[] = "hooks/post-receive";
+
+static int hook_status(int code, const char *hook_name)
+{
+ switch (code) {
+ case 0:
+ return 0;
+ case -ERR_RUN_COMMAND_FORK:
+ return error("hook fork failed");
+ case -ERR_RUN_COMMAND_EXEC:
+ return error("hook execute failed");
+ case -ERR_RUN_COMMAND_PIPE:
+ return error("hook pipe failed");
+ case -ERR_RUN_COMMAND_WAITPID:
+ return error("waitpid failed");
+ case -ERR_RUN_COMMAND_WAITPID_WRONG_PID:
+ return error("waitpid is confused");
+ case -ERR_RUN_COMMAND_WAITPID_SIGNAL:
+ return error("%s died of signal", hook_name);
+ case -ERR_RUN_COMMAND_WAITPID_NOEXIT:
+ return error("%s died strangely", hook_name);
+ default:
+ error("%s exited with error code %d", hook_name, -code);
+ return -code;
+ }
+}
+
+static int run_hook(const char *hook_name)
+{
+ static char buf[sizeof(commands->old_sha1) * 2 + PATH_MAX + 4];
+ struct command *cmd;
+ struct child_process proc;
+ const char *argv[2];
+ int have_input = 0, code;
+
+ for (cmd = commands; !have_input && cmd; cmd = cmd->next) {
+ if (!cmd->error_string)
+ have_input = 1;
+ }
+
+ if (!have_input || access(hook_name, X_OK) < 0)
+ return 0;
+
+ argv[0] = hook_name;
+ argv[1] = NULL;
+
+ memset(&proc, 0, sizeof(proc));
+ proc.argv = argv;
+ proc.in = -1;
+ proc.stdout_to_stderr = 1;
+
+ code = start_command(&proc);
+ if (code)
+ return hook_status(code, hook_name);
+ for (cmd = commands; cmd; cmd = cmd->next) {
+ if (!cmd->error_string) {
+ size_t n = snprintf(buf, sizeof(buf), "%s %s %s\n",
+ sha1_to_hex(cmd->old_sha1),
+ sha1_to_hex(cmd->new_sha1),
+ cmd->ref_name);
+ if (write_in_full(proc.in, buf, n) != n)
+ break;
+ }
+ }
+ close(proc.in);
+ return hook_status(finish_command(&proc), hook_name);
+}
+
+static int run_update_hook(struct command *cmd)
+{
+ static const char update_hook[] = "hooks/update";
+ struct child_process proc;
+ const char *argv[5];
+
+ if (access(update_hook, X_OK) < 0)
+ return 0;
+
+ argv[0] = update_hook;
+ argv[1] = cmd->ref_name;
+ argv[2] = sha1_to_hex(cmd->old_sha1);
+ argv[3] = sha1_to_hex(cmd->new_sha1);
+ argv[4] = NULL;
+
+ memset(&proc, 0, sizeof(proc));
+ proc.argv = argv;
+ proc.no_stdin = 1;
+ proc.stdout_to_stderr = 1;
+
+ return hook_status(run_command(&proc), update_hook);
+}
+
+static const char *update(struct command *cmd)
+{
+ const char *name = cmd->ref_name;
+ unsigned char *old_sha1 = cmd->old_sha1;
+ unsigned char *new_sha1 = cmd->new_sha1;
+ struct ref_lock *lock;
+
+ /* only refs/... are allowed */
+ if (prefixcmp(name, "refs/") || check_ref_format(name + 5)) {
+ error("refusing to create funny ref '%s' remotely", name);
+ return "funny refname";
+ }
+
+ if (!is_null_sha1(new_sha1) && !has_sha1_file(new_sha1)) {
+ error("unpack should have generated %s, "
+ "but I can't find it!", sha1_to_hex(new_sha1));
+ return "bad pack";
+ }
+ if (deny_deletes && is_null_sha1(new_sha1) &&
+ !is_null_sha1(old_sha1) &&
+ !prefixcmp(name, "refs/heads/")) {
+ error("denying ref deletion for %s", name);
+ return "deletion prohibited";
+ }
+ if (deny_non_fast_forwards && !is_null_sha1(new_sha1) &&
+ !is_null_sha1(old_sha1) &&
+ !prefixcmp(name, "refs/heads/")) {
+ struct object *old_object, *new_object;
+ struct commit *old_commit, *new_commit;
+ struct commit_list *bases, *ent;
+
+ old_object = parse_object(old_sha1);
+ new_object = parse_object(new_sha1);
+
+ if (!old_object || !new_object ||
+ old_object->type != OBJ_COMMIT ||
+ new_object->type != OBJ_COMMIT) {
+ error("bad sha1 objects for %s", name);
+ return "bad ref";
+ }
+ old_commit = (struct commit *)old_object;
+ new_commit = (struct commit *)new_object;
+ bases = get_merge_bases(old_commit, new_commit, 1);
+ for (ent = bases; ent; ent = ent->next)
+ if (!hashcmp(old_sha1, ent->item->object.sha1))
+ break;
+ free_commit_list(bases);
+ if (!ent) {
+ error("denying non-fast forward %s"
+ " (you should pull first)", name);
+ return "non-fast forward";
+ }
+ }
+ if (run_update_hook(cmd)) {
+ error("hook declined to update %s", name);
+ return "hook declined";
+ }
+
+ if (is_null_sha1(new_sha1)) {
+ if (!parse_object(old_sha1)) {
+ warning ("Allowing deletion of corrupt ref.");
+ old_sha1 = NULL;
+ }
++ if (delete_ref(name, old_sha1, 0)) {
+ error("failed to delete %s", name);
+ return "failed to delete";
+ }
+ return NULL; /* good */
+ }
+ else {
+ lock = lock_any_ref_for_update(name, old_sha1, 0);
+ if (!lock) {
+ error("failed to lock %s", name);
+ return "failed to lock";
+ }
+ if (write_ref_sha1(lock, new_sha1, "push")) {
+ return "failed to write"; /* error() already called */
+ }
+ return NULL; /* good */
+ }
+}
+
+static char update_post_hook[] = "hooks/post-update";
+
+static void run_update_post_hook(struct command *cmd)
+{
+ struct command *cmd_p;
+ int argc;
+ const char **argv;
+
+ for (argc = 0, cmd_p = cmd; cmd_p; cmd_p = cmd_p->next) {
+ if (cmd_p->error_string)
+ continue;
+ argc++;
+ }
+ if (!argc || access(update_post_hook, X_OK) < 0)
+ return;
+ argv = xmalloc(sizeof(*argv) * (2 + argc));
+ argv[0] = update_post_hook;
+
+ for (argc = 1, cmd_p = cmd; cmd_p; cmd_p = cmd_p->next) {
+ char *p;
+ if (cmd_p->error_string)
+ continue;
+ p = xmalloc(strlen(cmd_p->ref_name) + 1);
+ strcpy(p, cmd_p->ref_name);
+ argv[argc] = p;
+ argc++;
+ }
+ argv[argc] = NULL;
+ run_command_v_opt(argv, RUN_COMMAND_NO_STDIN
+ | RUN_COMMAND_STDOUT_TO_STDERR);
+}
+
+static void execute_commands(const char *unpacker_error)
+{
+ struct command *cmd = commands;
+
+ if (unpacker_error) {
+ while (cmd) {
+ cmd->error_string = "n/a (unpacker error)";
+ cmd = cmd->next;
+ }
+ return;
+ }
+
+ if (run_hook(pre_receive_hook)) {
+ while (cmd) {
+ cmd->error_string = "pre-receive hook declined";
+ cmd = cmd->next;
+ }
+ return;
+ }
+
+ while (cmd) {
+ cmd->error_string = update(cmd);
+ cmd = cmd->next;
+ }
+}
+
+static void read_head_info(void)
+{
+ struct command **p = &commands;
+ for (;;) {
+ static char line[1000];
+ unsigned char old_sha1[20], new_sha1[20];
+ struct command *cmd;
+ char *refname;
+ int len, reflen;
+
+ len = packet_read_line(0, line, sizeof(line));
+ if (!len)
+ break;
+ if (line[len-1] == '\n')
+ line[--len] = 0;
+ if (len < 83 ||
+ line[40] != ' ' ||
+ line[81] != ' ' ||
+ get_sha1_hex(line, old_sha1) ||
+ get_sha1_hex(line + 41, new_sha1))
+ die("protocol error: expected old/new/ref, got '%s'",
+ line);
+
+ refname = line + 82;
+ reflen = strlen(refname);
+ if (reflen + 82 < len) {
+ if (strstr(refname + reflen + 1, "report-status"))
+ report_status = 1;
+ }
+ cmd = xmalloc(sizeof(struct command) + len - 80);
+ hashcpy(cmd->old_sha1, old_sha1);
+ hashcpy(cmd->new_sha1, new_sha1);
+ memcpy(cmd->ref_name, line + 82, len - 81);
+ cmd->error_string = NULL;
+ cmd->next = NULL;
+ *p = cmd;
+ p = &cmd->next;
+ }
+}
+
+static const char *parse_pack_header(struct pack_header *hdr)
+{
+ switch (read_pack_header(0, hdr)) {
+ case PH_ERROR_EOF:
+ return "eof before pack header was fully read";
+
+ case PH_ERROR_PACK_SIGNATURE:
+ return "protocol error (pack signature mismatch detected)";
+
+ case PH_ERROR_PROTOCOL:
+ return "protocol error (pack version unsupported)";
+
+ default:
+ return "unknown error in parse_pack_header";
+
+ case 0:
+ return NULL;
+ }
+}
+
+static const char *pack_lockfile;
+
+static const char *unpack(void)
+{
+ struct pack_header hdr;
+ const char *hdr_err;
+ char hdr_arg[38];
+
+ hdr_err = parse_pack_header(&hdr);
+ if (hdr_err)
+ return hdr_err;
+ snprintf(hdr_arg, sizeof(hdr_arg),
+ "--pack_header=%"PRIu32",%"PRIu32,
+ ntohl(hdr.hdr_version), ntohl(hdr.hdr_entries));
+
+ if (ntohl(hdr.hdr_entries) < unpack_limit) {
+ int code, i = 0;
+ const char *unpacker[4];
+ unpacker[i++] = "unpack-objects";
+ if (receive_fsck_objects)
+ unpacker[i++] = "--strict";
+ unpacker[i++] = hdr_arg;
+ unpacker[i++] = NULL;
+ code = run_command_v_opt(unpacker, RUN_GIT_CMD);
+ switch (code) {
+ case 0:
+ return NULL;
+ case -ERR_RUN_COMMAND_FORK:
+ return "unpack fork failed";
+ case -ERR_RUN_COMMAND_EXEC:
+ return "unpack execute failed";
+ case -ERR_RUN_COMMAND_WAITPID:
+ return "waitpid failed";
+ case -ERR_RUN_COMMAND_WAITPID_WRONG_PID:
+ return "waitpid is confused";
+ case -ERR_RUN_COMMAND_WAITPID_SIGNAL:
+ return "unpacker died of signal";
+ case -ERR_RUN_COMMAND_WAITPID_NOEXIT:
+ return "unpacker died strangely";
+ default:
+ return "unpacker exited with error code";
+ }
+ } else {
+ const char *keeper[7];
+ int s, status, i = 0;
+ char keep_arg[256];
+ struct child_process ip;
+
+ s = sprintf(keep_arg, "--keep=receive-pack %"PRIuMAX" on ", (uintmax_t) getpid());
+ if (gethostname(keep_arg + s, sizeof(keep_arg) - s))
+ strcpy(keep_arg + s, "localhost");
+
+ keeper[i++] = "index-pack";
+ keeper[i++] = "--stdin";
+ if (receive_fsck_objects)
+ keeper[i++] = "--strict";
+ keeper[i++] = "--fix-thin";
+ keeper[i++] = hdr_arg;
+ keeper[i++] = keep_arg;
+ keeper[i++] = NULL;
+ memset(&ip, 0, sizeof(ip));
+ ip.argv = keeper;
+ ip.out = -1;
+ ip.git_cmd = 1;
+ if (start_command(&ip))
+ return "index-pack fork failed";
+ pack_lockfile = index_pack_lockfile(ip.out);
+ close(ip.out);
+ status = finish_command(&ip);
+ if (!status) {
+ reprepare_packed_git();
+ return NULL;
+ }
+ return "index-pack abnormal exit";
+ }
+}
+
+static void report(const char *unpack_status)
+{
+ struct command *cmd;
+ packet_write(1, "unpack %s\n",
+ unpack_status ? unpack_status : "ok");
+ for (cmd = commands; cmd; cmd = cmd->next) {
+ if (!cmd->error_string)
+ packet_write(1, "ok %s\n",
+ cmd->ref_name);
+ else
+ packet_write(1, "ng %s %s\n",
+ cmd->ref_name, cmd->error_string);
+ }
+ packet_flush(1);
+}
+
+static int delete_only(struct command *cmd)
+{
+ while (cmd) {
+ if (!is_null_sha1(cmd->new_sha1))
+ return 0;
+ cmd = cmd->next;
+ }
+ return 1;
+}
+
+static int add_refs_from_alternate(struct alternate_object_database *e, void *unused)
+{
+ char *other;
+ size_t len;
+ struct remote *remote;
+ struct transport *transport;
+ const struct ref *extra;
+
+ e->name[-1] = '\0';
+ other = xstrdup(make_absolute_path(e->base));
+ e->name[-1] = '/';
+ len = strlen(other);
+
+ while (other[len-1] == '/')
+ other[--len] = '\0';
+ if (len < 8 || memcmp(other + len - 8, "/objects", 8))
+ return 0;
+ /* Is this a git repository with refs? */
+ memcpy(other + len - 8, "/refs", 6);
+ if (!is_directory(other))
+ return 0;
+ other[len - 8] = '\0';
+ remote = remote_get(other);
+ transport = transport_get(remote, other);
+ for (extra = transport_get_remote_refs(transport);
+ extra;
+ extra = extra->next) {
+ add_extra_ref(".have", extra->old_sha1, 0);
+ }
+ transport_disconnect(transport);
+ free(other);
+ return 0;
+}
+
+static void add_alternate_refs(void)
+{
+ foreach_alt_odb(add_refs_from_alternate, NULL);
+}
+
+int cmd_receive_pack(int argc, const char **argv, const char *prefix)
+{
+ int i;
+ char *dir = NULL;
+
+ argv++;
+ for (i = 1; i < argc; i++) {
+ const char *arg = *argv++;
+
+ if (*arg == '-') {
+ /* Do flag handling here */
+ usage(receive_pack_usage);
+ }
+ if (dir)
+ usage(receive_pack_usage);
+ dir = xstrdup(arg);
+ }
+ if (!dir)
+ usage(receive_pack_usage);
+
+ setup_path();
+
+ if (!enter_repo(dir, 0))
+ die("'%s': unable to chdir or not a git archive", dir);
+
+ if (is_repository_shallow())
+ die("attempt to push into a shallow repository");
+
+ git_config(receive_pack_config, NULL);
+
+ if (0 <= transfer_unpack_limit)
+ unpack_limit = transfer_unpack_limit;
+ else if (0 <= receive_unpack_limit)
+ unpack_limit = receive_unpack_limit;
+
+ add_alternate_refs();
+ write_head_info();
+ clear_extra_refs();
+
+ /* EOF */
+ packet_flush(1);
+
+ read_head_info();
+ if (commands) {
+ const char *unpack_status = NULL;
+
+ if (!delete_only(commands))
+ unpack_status = unpack();
+ execute_commands(unpack_status);
+ if (pack_lockfile)
+ unlink(pack_lockfile);
+ if (report_status)
+ report(unpack_status);
+ run_hook(post_receive_hook);
+ run_update_post_hook(commands);
+ }
+ return 0;
+}
struct string_list track = { NULL, 0, 0 };
const char *master = NULL;
struct remote *remote;
- struct strbuf buf, buf2;
+ struct strbuf buf = STRBUF_INIT, buf2 = STRBUF_INIT;
const char *name, *url;
int i;
remote->fetch_refspec_nr))
die("remote %s already exists.", name);
- strbuf_init(&buf, 0);
- strbuf_init(&buf2, 0);
-
strbuf_addf(&buf2, "refs/heads/test:refs/remotes/%s/test", name);
if (!valid_fetch_refspec(buf2.buf))
die("'%s' is not a valid remote name", name);
const char *refname = item->string;
unsigned char *sha1 = item->util;
- if (delete_ref(refname, sha1))
+ if (delete_ref(refname, sha1, 0))
result |= error("Could not remove branch %s", refname);
}
return result;
OPT_END()
};
struct remote *remote;
- struct strbuf buf;
+ struct strbuf buf = STRBUF_INIT;
struct known_remotes known_remotes = { NULL, NULL };
struct string_list branches = { NULL, 0, 0, 1 };
struct branches_for_remote cb_data = { NULL, &branches, &known_remotes };
known_remotes.to_delete = remote;
for_each_remote(add_known_remote, &known_remotes);
- strbuf_init(&buf, 0);
strbuf_addf(&buf, "remote.%s", remote->name);
if (git_config_rename_section(buf.buf, NULL) < 1)
return error("Could not remove config section '%s'", buf.buf);
return;
printf(title, list->nr > 1 ? "es" : "", extra_arg);
- printf("\n ");
- for (i = 0; i < list->nr; i++)
- printf("%s%s", i ? " " : "", list->items[i].string);
printf("\n");
+ for (i = 0; i < list->nr; i++)
+ printf(" %s\n", list->items[i].string);
}
static int get_remote_ref_states(const char *name,
show_list(" Tracked remote branch%s", &states.tracked, "");
if (states.remote->push_refspec_nr) {
- printf(" Local branch%s pushed with 'git push'\n ",
+ printf(" Local branch%s pushed with 'git push'\n",
states.remote->push_refspec_nr > 1 ?
"es" : "");
for (i = 0; i < states.remote->push_refspec_nr; i++) {
struct refspec *spec = states.remote->push + i;
- printf(" %s%s%s%s", spec->force ? "+" : "",
+ printf(" %s%s%s%s\n",
+ spec->force ? "+" : "",
abbrev_branch(spec->src),
spec->dst ? ":" : "",
spec->dst ? abbrev_branch(spec->dst) : "");
}
- printf("\n");
}
/* NEEDSWORK: free remote */
const char *refname = states.stale.items[i].util;
if (!dry_run)
- result |= delete_ref(refname, NULL);
+ result |= delete_ref(refname, NULL, 0);
printf(" * [%s] %s\n", dry_run ? "would prune" : "pruned",
abbrev_ref(refname, "refs/remotes/"));
/*
* Make a pack stream and spit it out into file descriptor fd
*/
-static int pack_objects(int fd, struct ref *refs)
+static int pack_objects(int fd, struct ref *refs, struct extra_have_objects *extra)
{
/*
* The child becomes pack-objects --revs; we feed
NULL,
};
struct child_process po;
+ int i;
+ char buf[42];
if (args.use_thin_pack)
argv[4] = "--thin";
* We feed the pack-objects we just spawned with revision
* parameters by writing to the pipe.
*/
- while (refs) {
- char buf[42];
+ for (i = 0; i < extra->nr; i++) {
+ memcpy(buf + 1, sha1_to_hex(&extra->array[i][0]), 40);
+ buf[0] = '^';
+ buf[41] = '\n';
+ if (!write_or_whine(po.in, buf, 42, "send-pack: send refs"))
+ break;
+ }
+ while (refs) {
if (!is_null_sha1(refs->old_sha1) &&
has_sha1_file(refs->old_sha1)) {
memcpy(buf + 1, sha1_to_hex(refs->old_sha1), 40);
static int one_local_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
{
struct ref *ref;
- int len = strlen(refname) + 1;
+ int len;
+
+ /* we already know it starts with refs/ to get here */
+ if (check_ref_format(refname + 5))
+ return 0;
+
+ len = strlen(refname) + 1;
ref = xcalloc(1, sizeof(*ref) + len);
hashcpy(ref->new_sha1, sha1);
memcpy(ref->name, refname, len);
if (args.verbose)
fprintf(stderr, "updating local tracking ref '%s'\n", rs.dst);
if (ref->deletion) {
- delete_ref(rs.dst, NULL);
+ delete_ref(rs.dst, NULL, 0);
} else
update_ref("update by push", rs.dst,
ref->new_sha1, NULL, 0, 0);
int expect_status_report = 0;
int flags = MATCH_REFS_NONE;
int ret;
+ struct extra_have_objects extra_have;
+ memset(&extra_have, 0, sizeof(extra_have));
if (args.send_all)
flags |= MATCH_REFS_ALL;
if (args.send_mirror)
flags |= MATCH_REFS_MIRROR;
/* No funny business with the matcher */
- remote_tail = get_remote_heads(in, &remote_refs, 0, NULL, REF_NORMAL);
+ remote_tail = get_remote_heads(in, &remote_refs, 0, NULL, REF_NORMAL,
+ &extra_have);
get_local_heads();
/* Does the other end support the reporting? */
packet_flush(out);
if (new_refs && !args.dry_run) {
- if (pack_objects(out, remote_refs) < 0)
+ if (pack_objects(out, remote_refs, &extra_have) < 0)
return -1;
}
else
static int delete_tag(const char *name, const char *ref,
const unsigned char *sha1)
{
- if (delete_ref(ref, sha1))
+ if (delete_ref(ref, sha1, 0))
return 1;
printf("Deleted tag '%s'\n", name);
return 0;
int cmd_tag(int argc, const char **argv, const char *prefix)
{
- struct strbuf buf;
+ struct strbuf buf = STRBUF_INIT;
unsigned char object[20], prev[20];
char ref[PATH_MAX];
const char *object_ref, *tag;
if (verify)
return for_each_tag_name(argv, verify_tag);
- strbuf_init(&buf, 0);
if (msg.given || msgfile) {
if (msg.given && msgfile)
die("only one -F or -m option is allowed.");
#include "hash.h"
#include SHA1_HEADER
-#include <zlib.h>
+#ifndef git_SHA_CTX
+#define git_SHA_CTX SHA_CTX
+#define git_SHA1_Init SHA1_Init
+#define git_SHA1_Update SHA1_Update
+#define git_SHA1_Final SHA1_Final
+#endif
+#include <zlib.h>
#if defined(NO_DEFLATE_BOUND) || ZLIB_VERNUM < 0x1200
#define deflateBound(c,s) ((s) + (((s) + 7) >> 3) + (((s) + 63) >> 6) + 11)
#endif
#define CE_NAMEMASK (0x0fff)
#define CE_STAGEMASK (0x3000)
+#define CE_EXTENDED (0x4000)
#define CE_VALID (0x8000)
#define CE_STAGESHIFT 12
#define ce_match_stat(ce, st, options) ie_match_stat(&the_index, (ce), (st), (options))
#define ce_modified(ce, st, options) ie_modified(&the_index, (ce), (st), (options))
#define cache_name_exists(name, namelen, igncase) index_name_exists(&the_index, (name), (namelen), (igncase))
+#define cache_name_is_other(name, namelen) index_name_is_other(&the_index, (name), (namelen))
#endif
enum object_type {
extern int is_inside_git_dir(void);
extern char *git_work_tree_cfg;
extern int is_inside_work_tree(void);
+extern int have_git_dir(void);
extern const char *get_git_dir(void);
extern char *get_object_directory(void);
extern char *get_index_file(void);
#define ADD_CACHE_OK_TO_REPLACE 2 /* Ok to replace file/directory */
#define ADD_CACHE_SKIP_DFCHECK 4 /* Ok to skip DF conflict checks */
#define ADD_CACHE_JUST_APPEND 8 /* Append only; tree.c::read_tree() */
+#define ADD_CACHE_NEW_ONLY 16 /* Do not replace existing ones */
extern int add_index_entry(struct index_state *, struct cache_entry *ce, int option);
extern struct cache_entry *refresh_cache_entry(struct cache_entry *ce, int really);
extern void rename_index_entry_at(struct index_state *, int pos, const char *new_name);
#define ADD_CACHE_VERBOSE 1
#define ADD_CACHE_PRETEND 2
#define ADD_CACHE_IGNORE_ERRORS 4
+#define ADD_CACHE_IGNORE_REMOVAL 8
+#define ADD_CACHE_INTENT 16
extern int add_to_index(struct index_state *, const char *path, struct stat *, int flags);
extern int add_file_to_index(struct index_state *, const char *path, int flags);
extern struct cache_entry *make_cache_entry(unsigned int mode, const unsigned char *sha1, const char *path, int stage, int refresh);
extern int ce_same_name(struct cache_entry *a, struct cache_entry *b);
+extern int index_name_is_other(const struct index_state *, const char *, int);
/* do stat comparison even if CE_VALID is true */
#define CE_MATCH_IGNORE_VALID 01
extern int ce_path_match(const struct cache_entry *ce, const char **pathspec);
extern int index_fd(unsigned char *sha1, int fd, struct stat *st, int write_object, enum object_type type, const char *path);
-extern int index_pipe(unsigned char *sha1, int fd, const char *type, int write_object);
extern int index_path(unsigned char *sha1, const char *path, struct stat *st, int write_object);
extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st);
char on_list;
char filename[PATH_MAX];
};
+#define LOCK_DIE_ON_ERROR 1
+#define LOCK_NODEREF 2
extern int hold_lock_file_for_update(struct lock_file *, const char *path, int);
extern int hold_lock_file_for_append(struct lock_file *, const char *path, int);
extern int commit_lock_file(struct lock_file *);
extern void set_alternate_index_output(const char *);
extern int close_lock_file(struct lock_file *);
extern void rollback_lock_file(struct lock_file *);
- extern int delete_ref(const char *, const unsigned char *sha1);
+ extern int delete_ref(const char *, const unsigned char *sha1, int delopt);
/* Environment bits from configuration mechanism */
extern int trust_executable_bit;
extern enum safe_crlf safe_crlf;
enum branch_track {
+ BRANCH_TRACK_UNSPECIFIED = -1,
BRANCH_TRACK_NEVER = 0,
BRANCH_TRACK_REMOTE,
BRANCH_TRACK_ALWAYS,
{
memset(hash, 0, 20);
}
+extern int is_empty_blob_sha1(const unsigned char *sha1);
int git_mkstemp(char *path, size_t n, const char *template);
{
return path[0] == '/' || has_dos_drive_prefix(path);
}
+int is_directory(const char *);
const char *make_absolute_path(const char *path);
const char *make_nonrelative_path(const char *path);
const char *make_relative_path(const char *abs, const char *base);
} *alt_odb_list;
extern void prepare_alt_odb(void);
extern void add_to_alternates_file(const char *reference);
+typedef int alt_odb_fn(struct alternate_object_database *, void *);
+extern void foreach_alt_odb(alt_odb_fn, void*);
struct pack_window {
struct pack_window *next;
extern int finish_connect(struct child_process *conn);
extern int path_match(const char *path, int nr, char **match);
extern int get_ack(int fd, unsigned char *result_sha1);
-extern struct ref **get_remote_heads(int in, struct ref **list, int nr_match, char **match, unsigned int flags);
+struct extra_have_objects {
+ int nr, alloc;
+ unsigned char (*array)[20];
+};
+extern struct ref **get_remote_heads(int in, struct ref **list, int nr_match, char **match, unsigned int flags, struct extra_have_objects *);
extern int server_supports(const char *feature);
extern struct packed_git *parse_pack_index(unsigned char *sha1);
extern int git_default_config(const char *, const char *, void *);
extern int git_config_from_file(config_fn_t fn, const char *, void *);
extern int git_config(config_fn_t fn, void *);
-extern int git_parse_long(const char *, long *);
extern int git_parse_ulong(const char *, unsigned long *);
extern int git_config_int(const char *, const char *);
extern unsigned long git_config_ulong(const char *, const char *);
return retval;
}
+/*
+ * If the "reading" argument is set, this function finds out what _object_
+ * the ref points at by "reading" the ref. The ref, if it is not symbolic,
+ * has to exist, and if it is symbolic, it has to point at an existing ref,
+ * because the "read" goes through the symref to the ref it points at.
+ *
+ * The access that is not "reading" may often be "writing", but does not
+ * have to; it can be merely checking _where it leads to_. If it is a
+ * prelude to "writing" to the ref, a write to a symref that points at
+ * yet-to-be-born ref will create the real ref pointed by the symref.
+ * reading=0 allows the caller to check where such a symref leads to.
+ */
const char *resolve_ref(const char *ref, unsigned char *sha1, int reading, int *flag)
{
int depth = MAXDEPTH;
if (--depth < 0)
return NULL;
- /* Special case: non-existing file.
- * Not having the refs/heads/new-branch is OK
- * if we are writing into it, so is .git/HEAD
- * that points at refs/heads/master still to be
- * born. It is NOT OK if we are resolving for
- * reading.
- */
+ /* Special case: non-existing file. */
if (lstat(path, &st) < 0) {
struct ref_list *list = get_packed_refs();
while (list) {
struct ref_lock *lock;
struct stat st;
int last_errno = 0;
- int type;
+ int type, lflags;
int mustexist = (old_sha1 && !is_null_sha1(old_sha1));
lock = xcalloc(1, sizeof(struct ref_lock));
lock->lk = xcalloc(1, sizeof(struct lock_file));
- if (flags & REF_NODEREF)
+ lflags = LOCK_DIE_ON_ERROR;
+ if (flags & REF_NODEREF) {
ref = orig_ref;
+ lflags |= LOCK_NODEREF;
+ }
lock->ref_name = xstrdup(ref);
lock->orig_ref_name = xstrdup(orig_ref);
ref_file = git_path("%s", ref);
error("unable to create directory for %s", ref_file);
goto error_return;
}
- lock->lock_fd = hold_lock_file_for_update(lock->lk, ref_file, 1);
+ lock->lock_fd = hold_lock_file_for_update(lock->lk, ref_file, lflags);
return old_sha1 ? verify_lock(lock, old_sha1, mustexist) : lock;
error_return:
return commit_lock_file(&packlock);
}
- int delete_ref(const char *refname, const unsigned char *sha1)
+ int delete_ref(const char *refname, const unsigned char *sha1, int delopt)
{
struct ref_lock *lock;
- int err, i, ret = 0, flag = 0;
+ int err, i = 0, ret = 0, flag = 0;
lock = lock_ref_sha1_basic(refname, sha1, 0, &flag);
if (!lock)
return 1;
- if (!(flag & REF_ISPACKED)) {
+ if (!(flag & REF_ISPACKED) || flag & REF_ISSYMREF) {
/* loose */
- i = strlen(lock->lk->filename) - 5; /* .lock */
- lock->lk->filename[i] = 0;
- err = unlink(lock->lk->filename);
+ const char *path;
+
+ if (!(delopt & REF_NODEREF)) {
+ i = strlen(lock->lk->filename) - 5; /* .lock */
+ lock->lk->filename[i] = 0;
+ path = lock->lk->filename;
+ } else {
+ path = git_path(refname);
+ }
+ err = unlink(path);
if (err && errno != ENOENT) {
ret = 1;
error("unlink(%s) failed: %s",
- lock->lk->filename, strerror(errno));
+ path, strerror(errno));
}
- lock->lk->filename[i] = '.';
+ if (!(delopt & REF_NODEREF))
+ lock->lk->filename[i] = '.';
}
/* removing the loose one could have resurrected an earlier
* packed one. Also, if it was not loose we need to repack
struct ref_lock *lock;
struct stat loginfo;
int log = !lstat(git_path("logs/%s", oldref), &loginfo);
+ const char *symref = NULL;
- if (S_ISLNK(loginfo.st_mode))
+ if (log && S_ISLNK(loginfo.st_mode))
return error("reflog for %s is a symlink", oldref);
- if (!resolve_ref(oldref, orig_sha1, 1, &flag))
+ symref = resolve_ref(oldref, orig_sha1, 1, &flag);
+ if (flag & REF_ISSYMREF)
+ return error("refname %s is a symbolic ref, renaming it is not supported",
+ oldref);
+ if (!symref)
return error("refname %s not found", oldref);
if (!is_refname_available(newref, oldref, get_packed_refs(), 0))
return error("unable to move logfile logs/%s to tmp-renamed-log: %s",
oldref, strerror(errno));
- if (delete_ref(oldref, orig_sha1)) {
+ if (delete_ref(oldref, orig_sha1, REF_NODEREF)) {
error("unable to delete old %s", oldref);
goto rollback;
}
- if (resolve_ref(newref, sha1, 1, &flag) && delete_ref(newref, sha1)) {
+ if (resolve_ref(newref, sha1, 1, &flag) && delete_ref(newref, sha1, REF_NODEREF)) {
if (errno==EISDIR) {
if (remove_empty_directories(git_path("%s", newref))) {
error("Directory not empty: %s", newref);
error("unable to lock %s for update", newref);
goto rollback;
}
-
lock->force_write = 1;
hashcpy(lock->old_sha1, orig_sha1);
if (write_ref_sha1(lock, orig_sha1, logmsg)) {