X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=upload-pack.c;h=dc464d78b35659705ffb0cd233b80ab27e24e8bc;hb=7e7db5e4520388d3a6f1efbe2f7a29d43bd06a2b;hp=953ebe1a6030d8476fbebd0b060d3651cfde8f2f;hpb=5c30b8f7dd2640a1b75fcbcdd3e175329c5b7bbe;p=git.git diff --git a/upload-pack.c b/upload-pack.c index 953ebe1a6..dc464d78b 100644 --- a/upload-pack.c +++ b/upload-pack.c @@ -39,6 +39,8 @@ static unsigned int timeout; */ static int use_sideband; static int debug_fd; +static int advertise_refs; +static int stateless_rpc; static void reset_timeout(void) { @@ -103,12 +105,12 @@ static void show_edge(struct commit *commit) fprintf(pack_pipe, "-%s\n", sha1_to_hex(commit->object.sha1)); } -static int do_rev_list(int fd, void *create_full_pack) +static int do_rev_list(int in, int out, void *create_full_pack) { int i; struct rev_info revs; - pack_pipe = xfdopen(fd, "w"); + pack_pipe = xfdopen(out, "w"); init_revisions(&revs, NULL); revs.tag_objects = 1; revs.tree_objects = 1; @@ -146,66 +148,8 @@ static int do_rev_list(int fd, void *create_full_pack) return 0; } -static int feed_msg_to_hook(int fd, const char *fmt, ...) -{ - int cnt; - char buf[1024]; - va_list params; - - va_start(params, fmt); - cnt = vsprintf(buf, fmt, params); - va_end(params); - return write_in_full(fd, buf, cnt) != cnt; -} - -static int feed_obj_to_hook(const char *label, struct object_array *oa, int i, int fd) -{ - return feed_msg_to_hook(fd, "%s %s\n", label, - sha1_to_hex(oa->objects[i].item->sha1)); -} - -static int run_post_upload_pack_hook(size_t total, struct timeval *tv) -{ - const char *argv[2]; - struct child_process proc; - int err, i; - - argv[0] = "hooks/post-upload-pack"; - argv[1] = NULL; - - if (access(argv[0], X_OK) < 0) - return 0; - - memset(&proc, 0, sizeof(proc)); - proc.argv = argv; - proc.in = -1; - proc.stdout_to_stderr = 1; - err = start_command(&proc); - if (err) - return err; - for (i = 0; !err && i < want_obj.nr; i++) - err |= feed_obj_to_hook("want", &want_obj, i, proc.in); - for (i = 0; !err && i < have_obj.nr; i++) - err |= feed_obj_to_hook("have", &have_obj, i, proc.in); - if (!err) - err |= feed_msg_to_hook(proc.in, "time %ld.%06ld\n", - (long)tv->tv_sec, (long)tv->tv_usec); - if (!err) - err |= feed_msg_to_hook(proc.in, "size %ld\n", (long)total); - if (!err) - err |= feed_msg_to_hook(proc.in, "kind %s\n", - (nr_our_refs == want_obj.nr && !have_obj.nr) - ? "clone" : "fetch"); - if (close(proc.in)) - err = 1; - if (finish_command(&proc)) - err = 1; - return err; -} - static void create_pack_file(void) { - struct timeval start_tv, tv; struct async rev_list; struct child_process pack_objects; int create_full_pack = (nr_our_refs == want_obj.nr && !have_obj.nr); @@ -213,15 +157,14 @@ static void create_pack_file(void) char abort_msg[] = "aborting due to possible repository " "corruption on the remote side."; int buffered = -1; - ssize_t sz, total_sz; + ssize_t sz; const char *argv[10]; int arg = 0; - gettimeofday(&start_tv, NULL); - total_sz = 0; if (shallow_nr) { + memset(&rev_list, 0, sizeof(rev_list)); rev_list.proc = do_rev_list; - rev_list.data = 0; + rev_list.out = -1; if (start_async(&rev_list)) die("git upload-pack: unable to fork git-rev-list"); argv[arg++] = "pack-objects"; @@ -344,7 +287,7 @@ static void create_pack_file(void) sz = xread(pack_objects.out, cp, sizeof(data) - outsz); if (0 < sz) - total_sz += sz; + ; else if (sz == 0) { close(pack_objects.out); pack_objects.out = -1; @@ -381,16 +324,6 @@ static void create_pack_file(void) } if (use_sideband) packet_flush(1); - - gettimeofday(&tv, NULL); - tv.tv_sec -= start_tv.tv_sec; - if (tv.tv_usec < start_tv.tv_usec) { - tv.tv_sec--; - tv.tv_usec += 1000000; - } - tv.tv_usec -= start_tv.tv_usec; - if (run_post_upload_pack_hook(total_sz, &tv)) - warning("post-upload-hook failed"); return; fail: @@ -500,7 +433,7 @@ static int get_common_commits(void) { static char line[1000]; unsigned char sha1[20]; - char hex[41], last_hex[41]; + char last_hex[41]; save_commit_buffer = 0; @@ -511,25 +444,30 @@ static int get_common_commits(void) if (!len) { if (have_obj.nr == 0 || multi_ack) packet_write(1, "NAK\n"); + if (stateless_rpc) + exit(0); continue; } strip(line, len); if (!prefixcmp(line, "have ")) { switch (got_sha1(line+5, sha1)) { case -1: /* they have what we do not */ - if (multi_ack && ok_to_give_up()) - packet_write(1, "ACK %s continue\n", - sha1_to_hex(sha1)); + if (multi_ack && ok_to_give_up()) { + const char *hex = sha1_to_hex(sha1); + if (multi_ack == 2) + packet_write(1, "ACK %s ready\n", hex); + else + packet_write(1, "ACK %s continue\n", hex); + } break; default: - memcpy(hex, sha1_to_hex(sha1), 41); - if (multi_ack) { - const char *msg = "ACK %s continue\n"; - packet_write(1, msg, hex); - memcpy(last_hex, hex, 41); - } + memcpy(last_hex, sha1_to_hex(sha1), 41); + if (multi_ack == 2) + packet_write(1, "ACK %s common\n", last_hex); + else if (multi_ack) + packet_write(1, "ACK %s continue\n", last_hex); else if (have_obj.nr == 1) - packet_write(1, "ACK %s\n", hex); + packet_write(1, "ACK %s\n", last_hex); break; } continue; @@ -589,7 +527,9 @@ static void receive_needs(void) get_sha1_hex(line+5, sha1_buf)) die("git upload-pack: protocol error, " "expected to get sha, not '%s'", line); - if (strstr(line+45, "multi_ack")) + if (strstr(line+45, "multi_ack_detailed")) + multi_ack = 2; + else if (strstr(line+45, "multi_ack")) multi_ack = 1; if (strstr(line+45, "thin-pack")) use_thin_pack = 1; @@ -683,7 +623,7 @@ static int send_ref(const char *refname, const unsigned char *sha1, int flag, vo { static const char *capabilities = "multi_ack thin-pack side-band" " side-band-64k ofs-delta shallow no-progress" - " include-tag"; + " include-tag multi_ack_detailed"; struct object *o = parse_object(sha1); if (!o) @@ -707,12 +647,32 @@ static int send_ref(const char *refname, const unsigned char *sha1, int flag, vo return 0; } +static int mark_our_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data) +{ + struct object *o = parse_object(sha1); + if (!o) + die("git upload-pack: cannot find object %s:", sha1_to_hex(sha1)); + if (!(o->flags & OUR_REF)) { + o->flags |= OUR_REF; + nr_our_refs++; + } + return 0; +} + static void upload_pack(void) { - reset_timeout(); - head_ref(send_ref, NULL); - for_each_ref(send_ref, NULL); - packet_flush(1); + if (advertise_refs || !stateless_rpc) { + reset_timeout(); + head_ref(send_ref, NULL); + for_each_ref(send_ref, NULL); + packet_flush(1); + } else { + head_ref(mark_our_ref, NULL); + for_each_ref(mark_our_ref, NULL); + } + if (advertise_refs) + return; + receive_needs(); if (want_obj.nr) { get_common_commits(); @@ -734,6 +694,14 @@ int main(int argc, char **argv) if (arg[0] != '-') break; + if (!strcmp(arg, "--advertise-refs")) { + advertise_refs = 1; + continue; + } + if (!strcmp(arg, "--stateless-rpc")) { + stateless_rpc = 1; + continue; + } if (!strcmp(arg, "--strict")) { strict = 1; continue;