builtin / fetch-pack.con commit Merge branch 'jk/config-get-urlmatch' (c832cef)
   1#include "builtin.h"
   2#include "pkt-line.h"
   3#include "fetch-pack.h"
   4#include "remote.h"
   5#include "connect.h"
   6#include "sha1-array.h"
   7
   8static const char fetch_pack_usage[] =
   9"git fetch-pack [--all] [--stdin] [--quiet | -q] [--keep | -k] [--thin] "
  10"[--include-tag] [--upload-pack=<git-upload-pack>] [--depth=<n>] "
  11"[--no-progress] [--diag-url] [-v] [<host>:]<directory> [<refs>...]";
  12
  13static void add_sought_entry(struct ref ***sought, int *nr, int *alloc,
  14                             const char *name)
  15{
  16        struct ref *ref;
  17        struct object_id oid;
  18
  19        if (!get_oid_hex(name, &oid) && name[GIT_SHA1_HEXSZ] == ' ')
  20                name += GIT_SHA1_HEXSZ + 1;
  21        else
  22                oidclr(&oid);
  23
  24        ref = alloc_ref(name);
  25        oidcpy(&ref->old_oid, &oid);
  26        (*nr)++;
  27        ALLOC_GROW(*sought, *nr, *alloc);
  28        (*sought)[*nr - 1] = ref;
  29}
  30
  31int cmd_fetch_pack(int argc, const char **argv, const char *prefix)
  32{
  33        int i, ret;
  34        struct ref *ref = NULL;
  35        const char *dest = NULL;
  36        struct ref **sought = NULL;
  37        int nr_sought = 0, alloc_sought = 0;
  38        int fd[2];
  39        char *pack_lockfile = NULL;
  40        char **pack_lockfile_ptr = NULL;
  41        struct child_process *conn;
  42        struct fetch_pack_args args;
  43        struct sha1_array shallow = SHA1_ARRAY_INIT;
  44
  45        packet_trace_identity("fetch-pack");
  46
  47        memset(&args, 0, sizeof(args));
  48        args.uploadpack = "git-upload-pack";
  49
  50        for (i = 1; i < argc && *argv[i] == '-'; i++) {
  51                const char *arg = argv[i];
  52
  53                if (starts_with(arg, "--upload-pack=")) {
  54                        args.uploadpack = arg + 14;
  55                        continue;
  56                }
  57                if (starts_with(arg, "--exec=")) {
  58                        args.uploadpack = arg + 7;
  59                        continue;
  60                }
  61                if (!strcmp("--quiet", arg) || !strcmp("-q", arg)) {
  62                        args.quiet = 1;
  63                        continue;
  64                }
  65                if (!strcmp("--keep", arg) || !strcmp("-k", arg)) {
  66                        args.lock_pack = args.keep_pack;
  67                        args.keep_pack = 1;
  68                        continue;
  69                }
  70                if (!strcmp("--thin", arg)) {
  71                        args.use_thin_pack = 1;
  72                        continue;
  73                }
  74                if (!strcmp("--include-tag", arg)) {
  75                        args.include_tag = 1;
  76                        continue;
  77                }
  78                if (!strcmp("--all", arg)) {
  79                        args.fetch_all = 1;
  80                        continue;
  81                }
  82                if (!strcmp("--stdin", arg)) {
  83                        args.stdin_refs = 1;
  84                        continue;
  85                }
  86                if (!strcmp("--diag-url", arg)) {
  87                        args.diag_url = 1;
  88                        continue;
  89                }
  90                if (!strcmp("-v", arg)) {
  91                        args.verbose = 1;
  92                        continue;
  93                }
  94                if (starts_with(arg, "--depth=")) {
  95                        args.depth = strtol(arg + 8, NULL, 0);
  96                        continue;
  97                }
  98                if (!strcmp("--no-progress", arg)) {
  99                        args.no_progress = 1;
 100                        continue;
 101                }
 102                if (!strcmp("--stateless-rpc", arg)) {
 103                        args.stateless_rpc = 1;
 104                        continue;
 105                }
 106                if (!strcmp("--lock-pack", arg)) {
 107                        args.lock_pack = 1;
 108                        pack_lockfile_ptr = &pack_lockfile;
 109                        continue;
 110                }
 111                if (!strcmp("--check-self-contained-and-connected", arg)) {
 112                        args.check_self_contained_and_connected = 1;
 113                        continue;
 114                }
 115                if (!strcmp("--cloning", arg)) {
 116                        args.cloning = 1;
 117                        continue;
 118                }
 119                if (!strcmp("--update-shallow", arg)) {
 120                        args.update_shallow = 1;
 121                        continue;
 122                }
 123                usage(fetch_pack_usage);
 124        }
 125
 126        if (i < argc)
 127                dest = argv[i++];
 128        else
 129                usage(fetch_pack_usage);
 130
 131        /*
 132         * Copy refs from cmdline to growable list, then append any
 133         * refs from the standard input:
 134         */
 135        for (; i < argc; i++)
 136                add_sought_entry(&sought, &nr_sought, &alloc_sought, argv[i]);
 137        if (args.stdin_refs) {
 138                if (args.stateless_rpc) {
 139                        /* in stateless RPC mode we use pkt-line to read
 140                         * from stdin, until we get a flush packet
 141                         */
 142                        for (;;) {
 143                                char *line = packet_read_line(0, NULL);
 144                                if (!line)
 145                                        break;
 146                                add_sought_entry(&sought, &nr_sought,  &alloc_sought, line);
 147                        }
 148                }
 149                else {
 150                        /* read from stdin one ref per line, until EOF */
 151                        struct strbuf line = STRBUF_INIT;
 152                        while (strbuf_getline_lf(&line, stdin) != EOF)
 153                                add_sought_entry(&sought, &nr_sought, &alloc_sought, line.buf);
 154                        strbuf_release(&line);
 155                }
 156        }
 157
 158        if (args.stateless_rpc) {
 159                conn = NULL;
 160                fd[0] = 0;
 161                fd[1] = 1;
 162        } else {
 163                int flags = args.verbose ? CONNECT_VERBOSE : 0;
 164                if (args.diag_url)
 165                        flags |= CONNECT_DIAG_URL;
 166                conn = git_connect(fd, dest, args.uploadpack,
 167                                   flags);
 168                if (!conn)
 169                        return args.diag_url ? 0 : 1;
 170        }
 171        get_remote_heads(fd[0], NULL, 0, &ref, 0, NULL, &shallow);
 172
 173        ref = fetch_pack(&args, fd, conn, ref, dest, sought, nr_sought,
 174                         &shallow, pack_lockfile_ptr);
 175        if (pack_lockfile) {
 176                printf("lock %s\n", pack_lockfile);
 177                fflush(stdout);
 178        }
 179        if (args.check_self_contained_and_connected &&
 180            args.self_contained_and_connected) {
 181                printf("connectivity-ok\n");
 182                fflush(stdout);
 183        }
 184        close(fd[0]);
 185        close(fd[1]);
 186        if (finish_connect(conn))
 187                return 1;
 188
 189        ret = !ref;
 190
 191        /*
 192         * If the heads to pull were given, we should have consumed
 193         * all of them by matching the remote.  Otherwise, 'git fetch
 194         * remote no-such-ref' would silently succeed without issuing
 195         * an error.
 196         */
 197        for (i = 0; i < nr_sought; i++) {
 198                if (!sought[i] || sought[i]->matched)
 199                        continue;
 200                error("no such remote ref %s", sought[i]->name);
 201                ret = 1;
 202        }
 203
 204        while (ref) {
 205                printf("%s %s\n",
 206                       oid_to_hex(&ref->old_oid), ref->name);
 207                ref = ref->next;
 208        }
 209
 210        return ret;
 211}