#include "path-list.h"
#include "remote.h"
#include "transport.h"
+#include "run-command.h"
static const char fetch_usage[] = "git-fetch [-a | --append] [--upload-pack <upload-pack>] [-f | --force] [--no-tags] [-t | --tags] [-k | --keep] [-u | --update-head-ok] [--depth <depth>] [-v | --verbose] [<repository> <refspec>...]";
static int append, force, tags, no_tags, update_head_ok, verbose, quiet;
+static const char *depth;
static char *default_rla = NULL;
static struct transport *transport;
}
#define SUMMARY_WIDTH (2 * DEFAULT_ABBREV + 3)
+#define REFCOL_WIDTH 10
static int update_local_ref(struct ref *ref,
const char *remote,
if (!hashcmp(ref->old_sha1, ref->new_sha1)) {
if (verbose)
- sprintf(display, "= %-*s %s -> %s", SUMMARY_WIDTH,
- "[up to date]", remote, pretty_ref);
+ sprintf(display, "= %-*s %-*s -> %s", SUMMARY_WIDTH,
+ "[up to date]", REFCOL_WIDTH, remote,
+ pretty_ref);
return 0;
}
* If this is the head, and it's not okay to update
* the head, and the old value of the head isn't empty...
*/
- sprintf(display, "! %-*s %s -> %s (can't fetch in current branch)",
- SUMMARY_WIDTH, "[rejected]", remote, pretty_ref);
+ sprintf(display, "! %-*s %-*s -> %s (can't fetch in current branch)",
+ SUMMARY_WIDTH, "[rejected]", REFCOL_WIDTH, remote,
+ pretty_ref);
return 1;
}
if (!is_null_sha1(ref->old_sha1) &&
!prefixcmp(ref->name, "refs/tags/")) {
- sprintf(display, "- %-*s %s -> %s",
- SUMMARY_WIDTH, "[tag update]", remote, pretty_ref);
+ sprintf(display, "- %-*s %-*s -> %s",
+ SUMMARY_WIDTH, "[tag update]", REFCOL_WIDTH, remote,
+ pretty_ref);
return s_update_ref("updating tag", ref, 0);
}
what = "[new branch]";
}
- sprintf(display, "* %-*s %s -> %s",
- SUMMARY_WIDTH, what, remote, pretty_ref);
+ sprintf(display, "* %-*s %-*s -> %s", SUMMARY_WIDTH, what,
+ REFCOL_WIDTH, remote, pretty_ref);
return s_update_ref(msg, ref, 0);
}
strcpy(quickref, find_unique_abbrev(current->object.sha1, DEFAULT_ABBREV));
strcat(quickref, "..");
strcat(quickref, find_unique_abbrev(ref->new_sha1, DEFAULT_ABBREV));
- sprintf(display, " %-*s %s -> %s (fast forward)",
- SUMMARY_WIDTH, quickref, remote, pretty_ref);
+ sprintf(display, " %-*s %-*s -> %s", SUMMARY_WIDTH, quickref,
+ REFCOL_WIDTH, remote, pretty_ref);
return s_update_ref("fast forward", ref, 1);
} else if (force || ref->force) {
char quickref[84];
strcpy(quickref, find_unique_abbrev(current->object.sha1, DEFAULT_ABBREV));
strcat(quickref, "...");
strcat(quickref, find_unique_abbrev(ref->new_sha1, DEFAULT_ABBREV));
- sprintf(display, "+ %-*s %s -> %s (forced update)",
- SUMMARY_WIDTH, quickref, remote, pretty_ref);
+ sprintf(display, "+ %-*s %-*s -> %s (forced update)",
+ SUMMARY_WIDTH, quickref, REFCOL_WIDTH, remote, pretty_ref);
return s_update_ref("forced-update", ref, 1);
} else {
- sprintf(display, "! %-*s %s -> %s (non fast forward)",
- SUMMARY_WIDTH, "[rejected]", remote, pretty_ref);
+ sprintf(display, "! %-*s %-*s -> %s (non fast forward)",
+ SUMMARY_WIDTH, "[rejected]", REFCOL_WIDTH, remote,
+ pretty_ref);
return 1;
}
}
fclose(fp);
}
+/*
+ * We would want to bypass the object transfer altogether if
+ * everything we are going to fetch already exists and connected
+ * locally.
+ *
+ * The refs we are going to fetch are in to_fetch (nr_heads in
+ * total). If running
+ *
+ * $ git-rev-list --objects to_fetch[0] to_fetch[1] ... --not --all
+ *
+ * does not error out, that means everything reachable from the
+ * refs we are going to fetch exists and is connected to some of
+ * our existing refs.
+ */
+static int quickfetch(struct ref *ref_map)
+{
+ struct child_process revlist;
+ struct ref *ref;
+ char **argv;
+ int i, err;
+
+ /*
+ * If we are deepening a shallow clone we already have these
+ * objects reachable. Running rev-list here will return with
+ * a good (0) exit status and we'll bypass the fetch that we
+ * really need to perform. Claiming failure now will ensure
+ * we perform the network exchange to deepen our history.
+ */
+ if (depth)
+ return -1;
+
+ for (i = 0, ref = ref_map; ref; ref = ref->next)
+ i++;
+ if (!i)
+ return 0;
+
+ argv = xmalloc(sizeof(*argv) * (i + 6));
+ i = 0;
+ argv[i++] = xstrdup("rev-list");
+ argv[i++] = xstrdup("--quiet");
+ argv[i++] = xstrdup("--objects");
+ for (ref = ref_map; ref; ref = ref->next)
+ argv[i++] = xstrdup(sha1_to_hex(ref->old_sha1));
+ argv[i++] = xstrdup("--not");
+ argv[i++] = xstrdup("--all");
+ argv[i++] = NULL;
+
+ memset(&revlist, 0, sizeof(revlist));
+ revlist.argv = (const char**)argv;
+ revlist.git_cmd = 1;
+ revlist.no_stdin = 1;
+ revlist.no_stdout = 1;
+ revlist.no_stderr = 1;
+ err = run_command(&revlist);
+
+ for (i = 0; argv[i]; i++)
+ free(argv[i]);
+ free(argv);
+ return err;
+}
+
static int fetch_refs(struct transport *transport, struct ref *ref_map)
{
- int ret = transport_fetch_refs(transport, ref_map);
+ int ret = quickfetch(ref_map);
+ if (ret)
+ ret = transport_fetch_refs(transport, ref_map);
if (!ret)
store_updated_refs(transport->url, ref_map);
transport_unlock_pack(transport);
static const char **refs = NULL;
int ref_nr = 0;
int cmd_len = 0;
- const char *depth = NULL, *upload_pack = NULL;
+ const char *upload_pack = NULL;
int keep = 0;
for (i = 1; i < argc; i++) {