git-completion.bash: add support for path completion
[gitweb.git] / builtin / send-pack.c
index 2183a470524048eabef1b0f31499c5d04aec5850..d34201372d71d0c5683d4d01fe162bd9b7182aa4 100644 (file)
@@ -1,4 +1,4 @@
-#include "cache.h"
+#include "builtin.h"
 #include "commit.h"
 #include "refs.h"
 #include "pkt-line.h"
@@ -7,6 +7,8 @@
 #include "remote.h"
 #include "send-pack.h"
 #include "quote.h"
+#include "transport.h"
+#include "version.h"
 
 static const char send_pack_usage[] =
 "git send-pack [--all | --mirror] [--dry-run] [--force] [--receive-pack=<git-receive-pack>] [--verbose] [--thin] [<host>:]<directory> [<ref>...]\n"
@@ -14,311 +16,6 @@ static const char send_pack_usage[] =
 
 static struct send_pack_args args;
 
-static int feed_object(const unsigned char *sha1, int fd, int negative)
-{
-       char buf[42];
-
-       if (negative && !has_sha1_file(sha1))
-               return 1;
-
-       memcpy(buf + negative, sha1_to_hex(sha1), 40);
-       if (negative)
-               buf[0] = '^';
-       buf[40 + negative] = '\n';
-       return write_or_whine(fd, buf, 41 + negative, "send-pack: send refs");
-}
-
-/*
- * Make a pack stream and spit it out into file descriptor fd
- */
-static int pack_objects(int fd, struct ref *refs, struct extra_have_objects *extra, struct send_pack_args *args)
-{
-       /*
-        * 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 *argv[] = {
-               "pack-objects",
-               "--all-progress-implied",
-               "--revs",
-               "--stdout",
-               NULL,
-               NULL,
-               NULL,
-               NULL,
-       };
-       struct child_process po;
-       int i;
-
-       i = 4;
-       if (args->use_thin_pack)
-               argv[i++] = "--thin";
-       if (args->use_ofs_delta)
-               argv[i++] = "--delta-base-offset";
-       if (args->quiet)
-               argv[i++] = "-q";
-       memset(&po, 0, sizeof(po));
-       po.argv = argv;
-       po.in = -1;
-       po.out = args->stateless_rpc ? -1 : fd;
-       po.git_cmd = 1;
-       if (start_command(&po))
-               die_errno("git pack-objects failed");
-
-       /*
-        * We feed the pack-objects we just spawned with revision
-        * parameters by writing to the pipe.
-        */
-       for (i = 0; i < extra->nr; i++)
-               if (!feed_object(extra->array[i], po.in, 1))
-                       break;
-
-       while (refs) {
-               if (!is_null_sha1(refs->old_sha1) &&
-                   !feed_object(refs->old_sha1, po.in, 1))
-                       break;
-               if (!is_null_sha1(refs->new_sha1) &&
-                   !feed_object(refs->new_sha1, po.in, 0))
-                       break;
-               refs = refs->next;
-       }
-
-       close(po.in);
-
-       if (args->stateless_rpc) {
-               char *buf = xmalloc(LARGE_PACKET_MAX);
-               while (1) {
-                       ssize_t n = xread(po.out, buf, LARGE_PACKET_MAX);
-                       if (n <= 0)
-                               break;
-                       send_sideband(fd, -1, buf, n, LARGE_PACKET_MAX);
-               }
-               free(buf);
-               close(po.out);
-               po.out = -1;
-       }
-
-       if (finish_command(&po))
-               return error("pack-objects died with strange error");
-       return 0;
-}
-
-static int receive_status(int in, struct ref *refs)
-{
-       struct ref *hint;
-       char line[1000];
-       int ret = 0;
-       int len = packet_read_line(in, line, sizeof(line));
-       if (len < 10 || memcmp(line, "unpack ", 7))
-               return error("did not receive remote status");
-       if (memcmp(line, "unpack ok\n", 10)) {
-               char *p = line + strlen(line) - 1;
-               if (*p == '\n')
-                       *p = '\0';
-               error("unpack failed: %s", line + 7);
-               ret = -1;
-       }
-       hint = NULL;
-       while (1) {
-               char *refname;
-               char *msg;
-               len = packet_read_line(in, line, sizeof(line));
-               if (!len)
-                       break;
-               if (len < 3 ||
-                   (memcmp(line, "ok ", 3) && memcmp(line, "ng ", 3))) {
-                       fprintf(stderr, "protocol error: %s\n", line);
-                       ret = -1;
-                       break;
-               }
-
-               line[strlen(line)-1] = '\0';
-               refname = line + 3;
-               msg = strchr(refname, ' ');
-               if (msg)
-                       *msg++ = '\0';
-
-               /* first try searching at our hint, falling back to all refs */
-               if (hint)
-                       hint = find_ref_by_name(hint, refname);
-               if (!hint)
-                       hint = find_ref_by_name(refs, refname);
-               if (!hint) {
-                       warning("remote reported status on unknown ref: %s",
-                                       refname);
-                       continue;
-               }
-               if (hint->status != REF_STATUS_EXPECTING_REPORT) {
-                       warning("remote reported status on unexpected ref: %s",
-                                       refname);
-                       continue;
-               }
-
-               if (line[0] == 'o' && line[1] == 'k')
-                       hint->status = REF_STATUS_OK;
-               else {
-                       hint->status = REF_STATUS_REMOTE_REJECT;
-                       ret = -1;
-               }
-               if (msg)
-                       hint->remote_status = xstrdup(msg);
-               /* start our next search from the next ref */
-               hint = hint->next;
-       }
-       return ret;
-}
-
-static void update_tracking_ref(struct remote *remote, struct ref *ref)
-{
-       struct refspec rs;
-
-       if (ref->status != REF_STATUS_OK && ref->status != REF_STATUS_UPTODATE)
-               return;
-
-       rs.src = ref->name;
-       rs.dst = NULL;
-
-       if (!remote_find_tracking(remote, &rs)) {
-               if (args.verbose)
-                       fprintf(stderr, "updating local tracking ref '%s'\n", rs.dst);
-               if (ref->deletion) {
-                       delete_ref(rs.dst, NULL, 0);
-               } else
-                       update_ref("update by push", rs.dst,
-                                       ref->new_sha1, NULL, 0, 0);
-               free(rs.dst);
-       }
-}
-
-#define SUMMARY_WIDTH (2 * DEFAULT_ABBREV + 3)
-
-static void print_ref_status(char flag, const char *summary, struct ref *to, struct ref *from, const char *msg)
-{
-       fprintf(stderr, " %c %-*s ", flag, SUMMARY_WIDTH, summary);
-       if (from)
-               fprintf(stderr, "%s -> %s", prettify_refname(from->name), prettify_refname(to->name));
-       else
-               fputs(prettify_refname(to->name), stderr);
-       if (msg) {
-               fputs(" (", stderr);
-               fputs(msg, stderr);
-               fputc(')', stderr);
-       }
-       fputc('\n', stderr);
-}
-
-static const char *status_abbrev(unsigned char sha1[20])
-{
-       return find_unique_abbrev(sha1, DEFAULT_ABBREV);
-}
-
-static void print_ok_ref_status(struct ref *ref)
-{
-       if (ref->deletion)
-               print_ref_status('-', "[deleted]", ref, NULL, NULL);
-       else if (is_null_sha1(ref->old_sha1))
-               print_ref_status('*',
-                       (!prefixcmp(ref->name, "refs/tags/") ? "[new tag]" :
-                         "[new branch]"),
-                       ref, ref->peer_ref, NULL);
-       else {
-               char quickref[84];
-               char type;
-               const char *msg;
-
-               strcpy(quickref, status_abbrev(ref->old_sha1));
-               if (ref->nonfastforward) {
-                       strcat(quickref, "...");
-                       type = '+';
-                       msg = "forced update";
-               } else {
-                       strcat(quickref, "..");
-                       type = ' ';
-                       msg = NULL;
-               }
-               strcat(quickref, status_abbrev(ref->new_sha1));
-
-               print_ref_status(type, quickref, ref, ref->peer_ref, msg);
-       }
-}
-
-static int print_one_push_status(struct ref *ref, const char *dest, int count)
-{
-       if (!count)
-               fprintf(stderr, "To %s\n", dest);
-
-       switch(ref->status) {
-       case REF_STATUS_NONE:
-               print_ref_status('X', "[no match]", ref, NULL, NULL);
-               break;
-       case REF_STATUS_REJECT_NODELETE:
-               print_ref_status('!', "[rejected]", ref, NULL,
-                               "remote does not support deleting refs");
-               break;
-       case REF_STATUS_UPTODATE:
-               print_ref_status('=', "[up to date]", ref,
-                               ref->peer_ref, NULL);
-               break;
-       case REF_STATUS_REJECT_NONFASTFORWARD:
-               print_ref_status('!', "[rejected]", ref, ref->peer_ref,
-                               "non-fast-forward");
-               break;
-       case REF_STATUS_REMOTE_REJECT:
-               print_ref_status('!', "[remote rejected]", ref,
-                               ref->deletion ? NULL : ref->peer_ref,
-                               ref->remote_status);
-               break;
-       case REF_STATUS_EXPECTING_REPORT:
-               print_ref_status('!', "[remote failure]", ref,
-                               ref->deletion ? NULL : ref->peer_ref,
-                               "remote failed to report status");
-               break;
-       case REF_STATUS_OK:
-               print_ok_ref_status(ref);
-               break;
-       }
-
-       return 1;
-}
-
-static void print_push_status(const char *dest, struct ref *refs)
-{
-       struct ref *ref;
-       int n = 0;
-
-       if (args.verbose) {
-               for (ref = refs; ref; ref = ref->next)
-                       if (ref->status == REF_STATUS_UPTODATE)
-                               n += print_one_push_status(ref, dest, n);
-       }
-
-       for (ref = refs; ref; ref = ref->next)
-               if (ref->status == REF_STATUS_OK)
-                       n += print_one_push_status(ref, dest, n);
-
-       for (ref = refs; ref; ref = ref->next) {
-               if (ref->status != REF_STATUS_NONE &&
-                   ref->status != REF_STATUS_UPTODATE &&
-                   ref->status != REF_STATUS_OK)
-                       n += print_one_push_status(ref, dest, n);
-       }
-}
-
-static int refs_pushed(struct ref *ref)
-{
-       for (; ref; ref = ref->next) {
-               switch(ref->status) {
-               case REF_STATUS_NONE:
-               case REF_STATUS_UPTODATE:
-                       break;
-               default:
-                       return 1;
-               }
-       }
-       return 0;
-}
-
 static void print_helper_status(struct ref *ref)
 {
        struct strbuf buf = STRBUF_INIT;
@@ -372,188 +69,6 @@ static void print_helper_status(struct ref *ref)
        strbuf_release(&buf);
 }
 
-static int sideband_demux(int in, int out, void *data)
-{
-       int *fd = data;
-       int ret = recv_sideband("send-pack", fd[0], out);
-       close(out);
-       return ret;
-}
-
-int send_pack(struct send_pack_args *args,
-             int fd[], struct child_process *conn,
-             struct ref *remote_refs,
-             struct extra_have_objects *extra_have)
-{
-       int in = fd[0];
-       int out = fd[1];
-       struct strbuf req_buf = STRBUF_INIT;
-       struct ref *ref;
-       int new_refs;
-       int allow_deleting_refs = 0;
-       int status_report = 0;
-       int use_sideband = 0;
-       unsigned cmds_sent = 0;
-       int ret;
-       struct async demux;
-
-       /* Does the other end support the reporting? */
-       if (server_supports("report-status"))
-               status_report = 1;
-       if (server_supports("delete-refs"))
-               allow_deleting_refs = 1;
-       if (server_supports("ofs-delta"))
-               args->use_ofs_delta = 1;
-       if (server_supports("side-band-64k"))
-               use_sideband = 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) {
-               if (!ref->peer_ref && !args->send_mirror)
-                       continue;
-
-               /* Check for statuses set by set_ref_status_for_push() */
-               switch (ref->status) {
-               case REF_STATUS_REJECT_NONFASTFORWARD:
-               case REF_STATUS_UPTODATE:
-                       continue;
-               default:
-                       ; /* do nothing */
-               }
-
-               if (ref->deletion && !allow_deleting_refs) {
-                       ref->status = REF_STATUS_REJECT_NODELETE;
-                       continue;
-               }
-
-               if (!ref->deletion)
-                       new_refs++;
-
-               if (args->dry_run) {
-                       ref->status = REF_STATUS_OK;
-               } else {
-                       char *old_hex = sha1_to_hex(ref->old_sha1);
-                       char *new_hex = sha1_to_hex(ref->new_sha1);
-
-                       if (!cmds_sent && (status_report || use_sideband)) {
-                               packet_buf_write(&req_buf, "%s %s %s%c%s%s",
-                                       old_hex, new_hex, ref->name, 0,
-                                       status_report ? " report-status" : "",
-                                       use_sideband ? " side-band-64k" : "");
-                       }
-                       else
-                               packet_buf_write(&req_buf, "%s %s %s",
-                                       old_hex, new_hex, ref->name);
-                       ref->status = status_report ?
-                               REF_STATUS_EXPECTING_REPORT :
-                               REF_STATUS_OK;
-                       cmds_sent++;
-               }
-       }
-
-       if (args->stateless_rpc) {
-               if (!args->dry_run && cmds_sent) {
-                       packet_buf_flush(&req_buf);
-                       send_sideband(out, -1, req_buf.buf, req_buf.len, LARGE_PACKET_MAX);
-               }
-       } else {
-               safe_write(out, req_buf.buf, req_buf.len);
-               packet_flush(out);
-       }
-       strbuf_release(&req_buf);
-
-       if (use_sideband && cmds_sent) {
-               memset(&demux, 0, sizeof(demux));
-               demux.proc = sideband_demux;
-               demux.data = fd;
-               demux.out = -1;
-               if (start_async(&demux))
-                       die("receive-pack: unable to fork off sideband demultiplexer");
-               in = demux.out;
-       }
-
-       if (new_refs && cmds_sent) {
-               if (pack_objects(out, remote_refs, extra_have, args) < 0) {
-                       for (ref = remote_refs; ref; ref = ref->next)
-                               ref->status = REF_STATUS_NONE;
-                       if (use_sideband)
-                               finish_async(&demux);
-                       return -1;
-               }
-       }
-       if (args->stateless_rpc && cmds_sent)
-               packet_flush(out);
-
-       if (status_report && cmds_sent)
-               ret = receive_status(in, remote_refs);
-       else
-               ret = 0;
-       if (args->stateless_rpc)
-               packet_flush(out);
-
-       if (use_sideband && cmds_sent) {
-               if (finish_async(&demux)) {
-                       error("error in sideband demultiplexer");
-                       ret = -1;
-               }
-               close(demux.out);
-       }
-
-       if (ret < 0)
-               return ret;
-       for (ref = remote_refs; ref; ref = ref->next) {
-               switch (ref->status) {
-               case REF_STATUS_NONE:
-               case REF_STATUS_UPTODATE:
-               case REF_STATUS_OK:
-                       break;
-               default:
-                       return -1;
-               }
-       }
-       return 0;
-}
-
-static void verify_remote_names(int nr_heads, const char **heads)
-{
-       int i;
-
-       for (i = 0; i < nr_heads; i++) {
-               const char *local = heads[i];
-               const char *remote = strrchr(heads[i], ':');
-
-               if (*local == '+')
-                       local++;
-
-               /* A matching refspec is okay.  */
-               if (remote == local && remote[1] == '\0')
-                       continue;
-
-               remote = remote ? (remote + 1) : local;
-               switch (check_ref_format(remote)) {
-               case 0: /* ok */
-               case CHECK_REF_FORMAT_ONELEVEL:
-                       /* ok but a single level -- that is fine for
-                        * a match pattern.
-                        */
-               case CHECK_REF_FORMAT_WILDCARD:
-                       /* ok but ends with a pattern-match character */
-                       continue;
-               }
-               die("remote part of refspec is not a valid name in %s",
-                   heads[i]);
-       }
-}
-
 int cmd_send_pack(int argc, const char **argv, const char *prefix)
 {
        int i, nr_refspecs = 0;
@@ -570,6 +85,8 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix)
        int send_all = 0;
        const char *receivepack = "git-receive-pack";
        int flags;
+       int nonfastforward = 0;
+       int progress = -1;
 
        argv++;
        for (i = 1; i < argc; i++, argv++) {
@@ -604,10 +121,22 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix)
                                args.force_update = 1;
                                continue;
                        }
+                       if (!strcmp(arg, "--quiet")) {
+                               args.quiet = 1;
+                               continue;
+                       }
                        if (!strcmp(arg, "--verbose")) {
                                args.verbose = 1;
                                continue;
                        }
+                       if (!strcmp(arg, "--progress")) {
+                               progress = 1;
+                               continue;
+                       }
+                       if (!strcmp(arg, "--no-progress")) {
+                               progress = 0;
+                               continue;
+                       }
                        if (!strcmp(arg, "--thin")) {
                                args.use_thin_pack = 1;
                                continue;
@@ -648,6 +177,10 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix)
                }
        }
 
+       if (progress == -1)
+               progress = !args.quiet && isatty(2);
+       args.progress = progress;
+
        if (args.stateless_rpc) {
                conn = NULL;
                fd[0] = 0;
@@ -659,10 +192,9 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix)
 
        memset(&extra_have, 0, sizeof(extra_have));
 
-       get_remote_heads(fd[0], &remote_refs, 0, NULL, REF_NORMAL,
-                        &extra_have);
+       get_remote_heads(fd[0], &remote_refs, REF_NORMAL, &extra_have);
 
-       verify_remote_names(nr_refspecs, refspecs);
+       transport_verify_remote_names(nr_refspecs, refspecs);
 
        local_refs = get_local_heads();
 
@@ -674,7 +206,7 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix)
                flags |= MATCH_REFS_MIRROR;
 
        /* match them up */
-       if (match_refs(local_refs, &remote_refs, nr_refspecs, refspecs, flags))
+       if (match_push_refs(local_refs, &remote_refs, nr_refspecs, refspecs, flags))
                return -1;
 
        set_ref_status_for_push(remote_refs, args.send_mirror,
@@ -691,15 +223,15 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix)
        ret |= finish_connect(conn);
 
        if (!helper_status)
-               print_push_status(dest, remote_refs);
+               transport_print_push_status(dest, remote_refs, args.verbose, 0, &nonfastforward);
 
        if (!args.dry_run && remote) {
                struct ref *ref;
                for (ref = remote_refs; ref; ref = ref->next)
-                       update_tracking_ref(remote, ref);
+                       transport_update_tracking_ref(remote, ref, args.verbose);
        }
 
-       if (!ret && !refs_pushed(remote_refs))
+       if (!ret && !transport_refs_pushed(remote_refs))
                fprintf(stderr, "Everything up-to-date\n");
 
        return ret;