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-rw-r--r--send-pack.c444
1 files changed, 0 insertions, 444 deletions
diff --git a/send-pack.c b/send-pack.c
deleted file mode 100644
index fd985ed28d..0000000000
--- a/send-pack.c
+++ /dev/null
@@ -1,444 +0,0 @@
-#include "cache.h"
-#include "commit.h"
-#include "tag.h"
-#include "refs.h"
-#include "pkt-line.h"
-#include "run-command.h"
-#include "remote.h"
-
-static const char send_pack_usage[] =
-"git-send-pack [--all] [--force] [--receive-pack=<git-receive-pack>] [--verbose] [--thin] [<host>:]<directory> [<ref>...]\n"
-" --all and explicit <ref> specification are mutually exclusive.";
-static const char *receivepack = "git-receive-pack";
-static int verbose;
-static int send_all;
-static int force_update;
-static int use_thin_pack;
-
-/*
- * Make a pack stream and spit it out into file descriptor fd
- */
-static int pack_objects(int fd, struct ref *refs)
-{
- /*
- * The child becomes pack-objects --revs; we feed
- * the revision parameters to it via its stdin and
- * let its stdout go back to the other end.
- */
- const char *args[] = {
- "pack-objects",
- "--all-progress",
- "--revs",
- "--stdout",
- NULL,
- NULL,
- };
- struct child_process po;
-
- if (use_thin_pack)
- args[4] = "--thin";
- memset(&po, 0, sizeof(po));
- po.argv = args;
- po.in = -1;
- po.out = fd;
- po.git_cmd = 1;
- if (start_command(&po))
- die("git-pack-objects failed (%s)", strerror(errno));
-
- /*
- * We feed the pack-objects we just spawned with revision
- * parameters by writing to the pipe.
- */
- while (refs) {
- char buf[42];
-
- if (!is_null_sha1(refs->old_sha1) &&
- has_sha1_file(refs->old_sha1)) {
- memcpy(buf + 1, sha1_to_hex(refs->old_sha1), 40);
- buf[0] = '^';
- buf[41] = '\n';
- if (!write_or_whine(po.in, buf, 42,
- "send-pack: send refs"))
- break;
- }
- if (!is_null_sha1(refs->new_sha1)) {
- memcpy(buf, sha1_to_hex(refs->new_sha1), 40);
- buf[40] = '\n';
- if (!write_or_whine(po.in, buf, 41,
- "send-pack: send refs"))
- break;
- }
- refs = refs->next;
- }
-
- if (finish_command(&po))
- return error("pack-objects died with strange error");
- return 0;
-}
-
-static void unmark_and_free(struct commit_list *list, unsigned int mark)
-{
- while (list) {
- struct commit_list *temp = list;
- temp->item->object.flags &= ~mark;
- list = temp->next;
- free(temp);
- }
-}
-
-static int ref_newer(const unsigned char *new_sha1,
- const unsigned char *old_sha1)
-{
- struct object *o;
- struct commit *old, *new;
- struct commit_list *list, *used;
- int found = 0;
-
- /* Both new and old must be commit-ish and new is descendant of
- * old. Otherwise we require --force.
- */
- o = deref_tag(parse_object(old_sha1), NULL, 0);
- if (!o || o->type != OBJ_COMMIT)
- return 0;
- old = (struct commit *) o;
-
- o = deref_tag(parse_object(new_sha1), NULL, 0);
- if (!o || o->type != OBJ_COMMIT)
- return 0;
- new = (struct commit *) o;
-
- if (parse_commit(new) < 0)
- return 0;
-
- used = list = NULL;
- commit_list_insert(new, &list);
- while (list) {
- new = pop_most_recent_commit(&list, 1);
- commit_list_insert(new, &used);
- if (new == old) {
- found = 1;
- break;
- }
- }
- unmark_and_free(list, 1);
- unmark_and_free(used, 1);
- return found;
-}
-
-static struct ref *local_refs, **local_tail;
-static struct ref *remote_refs, **remote_tail;
-
-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;
- ref = xcalloc(1, sizeof(*ref) + len);
- hashcpy(ref->new_sha1, sha1);
- memcpy(ref->name, refname, len);
- *local_tail = ref;
- local_tail = &ref->next;
- return 0;
-}
-
-static void get_local_heads(void)
-{
- local_tail = &local_refs;
- for_each_ref(one_local_ref, NULL);
-}
-
-static int receive_status(int in)
-{
- char line[1000];
- int ret = 0;
- int len = packet_read_line(in, line, sizeof(line));
- if (len < 10 || memcmp(line, "unpack ", 7)) {
- fprintf(stderr, "did not receive status back\n");
- return -1;
- }
- if (memcmp(line, "unpack ok\n", 10)) {
- fputs(line, stderr);
- ret = -1;
- }
- while (1) {
- len = packet_read_line(in, line, sizeof(line));
- if (!len)
- break;
- if (len < 3 ||
- (memcmp(line, "ok", 2) && memcmp(line, "ng", 2))) {
- fprintf(stderr, "protocol error: %s\n", line);
- ret = -1;
- break;
- }
- if (!memcmp(line, "ok", 2))
- continue;
- fputs(line, stderr);
- ret = -1;
- }
- return ret;
-}
-
-static int send_pack(int in, int out, struct remote *remote, int nr_refspec, char **refspec)
-{
- struct ref *ref;
- int new_refs;
- int ret = 0;
- int ask_for_status_report = 0;
- int allow_deleting_refs = 0;
- int expect_status_report = 0;
-
- /* No funny business with the matcher */
- remote_tail = get_remote_heads(in, &remote_refs, 0, NULL, REF_NORMAL);
- get_local_heads();
-
- /* Does the other end support the reporting? */
- if (server_supports("report-status"))
- ask_for_status_report = 1;
- if (server_supports("delete-refs"))
- allow_deleting_refs = 1;
-
- /* match them up */
- if (!remote_tail)
- remote_tail = &remote_refs;
- if (match_refs(local_refs, remote_refs, &remote_tail,
- nr_refspec, refspec, send_all))
- return -1;
-
- if (!remote_refs) {
- fprintf(stderr, "No refs in common and none specified; doing nothing.\n"
- "Perhaps you should specify a branch such as 'master'.\n");
- return 0;
- }
-
- /*
- * Finally, tell the other end!
- */
- new_refs = 0;
- for (ref = remote_refs; ref; ref = ref->next) {
- char old_hex[60], *new_hex;
- int will_delete_ref;
-
- if (!ref->peer_ref)
- continue;
-
-
- will_delete_ref = is_null_sha1(ref->peer_ref->new_sha1);
- if (will_delete_ref && !allow_deleting_refs) {
- error("remote does not support deleting refs");
- ret = -2;
- continue;
- }
- if (!will_delete_ref &&
- !hashcmp(ref->old_sha1, ref->peer_ref->new_sha1)) {
- if (verbose)
- fprintf(stderr, "'%s': up-to-date\n", ref->name);
- continue;
- }
-
- /* This part determines what can overwrite what.
- * The rules are:
- *
- * (0) you can always use --force or +A:B notation to
- * selectively force individual ref pairs.
- *
- * (1) if the old thing does not exist, it is OK.
- *
- * (2) if you do not have the old thing, you are not allowed
- * to overwrite it; you would not know what you are losing
- * otherwise.
- *
- * (3) if both new and old are commit-ish, and new is a
- * descendant of old, it is OK.
- *
- * (4) regardless of all of the above, removing :B is
- * always allowed.
- */
-
- if (!force_update &&
- !will_delete_ref &&
- !is_null_sha1(ref->old_sha1) &&
- !ref->force) {
- if (!has_sha1_file(ref->old_sha1) ||
- !ref_newer(ref->peer_ref->new_sha1,
- ref->old_sha1)) {
- /* We do not have the remote ref, or
- * we know that the remote ref is not
- * an ancestor of what we are trying to
- * push. Either way this can be losing
- * commits at the remote end and likely
- * we were not up to date to begin with.
- */
- error("remote '%s' is not a strict "
- "subset of local ref '%s'. "
- "maybe you are not up-to-date and "
- "need to pull first?",
- ref->name,
- ref->peer_ref->name);
- ret = -2;
- continue;
- }
- }
- hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
- if (!will_delete_ref)
- new_refs++;
- strcpy(old_hex, sha1_to_hex(ref->old_sha1));
- new_hex = sha1_to_hex(ref->new_sha1);
-
- if (ask_for_status_report) {
- packet_write(out, "%s %s %s%c%s",
- old_hex, new_hex, ref->name, 0,
- "report-status");
- ask_for_status_report = 0;
- expect_status_report = 1;
- }
- else
- packet_write(out, "%s %s %s",
- old_hex, new_hex, ref->name);
- if (will_delete_ref)
- fprintf(stderr, "deleting '%s'\n", ref->name);
- else {
- fprintf(stderr, "updating '%s'", ref->name);
- if (strcmp(ref->name, ref->peer_ref->name))
- fprintf(stderr, " using '%s'",
- ref->peer_ref->name);
- fprintf(stderr, "\n from %s\n to %s\n",
- old_hex, new_hex);
- }
- if (remote) {
- struct refspec rs;
- rs.src = ref->name;
- rs.dst = NULL;
- if (!remote_find_tracking(remote, &rs)) {
- struct ref_lock *lock;
- fprintf(stderr, " Also local %s\n", rs.dst);
- if (will_delete_ref) {
- if (delete_ref(rs.dst, NULL)) {
- error("Failed to delete");
- }
- } else {
- lock = lock_any_ref_for_update(rs.dst, NULL, 0);
- if (!lock)
- error("Failed to lock");
- else
- write_ref_sha1(lock, ref->new_sha1,
- "update by push");
- }
- free(rs.dst);
- }
- }
- }
-
- packet_flush(out);
- if (new_refs)
- ret = pack_objects(out, remote_refs);
- close(out);
-
- if (expect_status_report) {
- if (receive_status(in))
- ret = -4;
- }
-
- if (!new_refs && ret == 0)
- fprintf(stderr, "Everything up-to-date\n");
- return ret;
-}
-
-static void verify_remote_names(int nr_heads, char **heads)
-{
- int i;
-
- for (i = 0; i < nr_heads; i++) {
- const char *remote = strchr(heads[i], ':');
-
- remote = remote ? (remote + 1) : heads[i];
- switch (check_ref_format(remote)) {
- case 0: /* ok */
- case -2: /* ok but a single level -- that is fine for
- * a match pattern.
- */
- case -3: /* ok but ends with a pattern-match character */
- continue;
- }
- die("remote part of refspec is not a valid name in %s",
- heads[i]);
- }
-}
-
-int main(int argc, char **argv)
-{
- int i, nr_heads = 0;
- char *dest = NULL;
- char **heads = NULL;
- int fd[2], ret;
- pid_t pid;
- char *remote_name = NULL;
- struct remote *remote = NULL;
-
- setup_git_directory();
- git_config(git_default_config);
-
- argv++;
- for (i = 1; i < argc; i++, argv++) {
- char *arg = *argv;
-
- if (*arg == '-') {
- if (!prefixcmp(arg, "--receive-pack=")) {
- receivepack = arg + 15;
- continue;
- }
- if (!prefixcmp(arg, "--exec=")) {
- receivepack = arg + 7;
- continue;
- }
- if (!prefixcmp(arg, "--remote=")) {
- remote_name = arg + 9;
- continue;
- }
- if (!strcmp(arg, "--all")) {
- send_all = 1;
- continue;
- }
- if (!strcmp(arg, "--force")) {
- force_update = 1;
- continue;
- }
- if (!strcmp(arg, "--verbose")) {
- verbose = 1;
- continue;
- }
- if (!strcmp(arg, "--thin")) {
- use_thin_pack = 1;
- continue;
- }
- usage(send_pack_usage);
- }
- if (!dest) {
- dest = arg;
- continue;
- }
- heads = argv;
- nr_heads = argc - i;
- break;
- }
- if (!dest)
- usage(send_pack_usage);
- if (heads && send_all)
- usage(send_pack_usage);
- verify_remote_names(nr_heads, heads);
-
- if (remote_name) {
- remote = remote_get(remote_name);
- if (!remote_has_uri(remote, dest)) {
- die("Destination %s is not a uri for %s",
- dest, remote_name);
- }
- }
-
- pid = git_connect(fd, dest, receivepack, verbose ? CONNECT_VERBOSE : 0);
- if (pid < 0)
- return 1;
- ret = send_pack(fd[0], fd[1], remote, nr_heads, heads);
- close(fd[0]);
- close(fd[1]);
- ret |= finish_connect(pid);
- return !!ret;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-04 21:58:34 +0000