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builtin-fetch: add --prune option
Teach fetch to cull stale remote tracking branches after fetching via --prune. Signed-off-by: Jay Soffian <jaysoffian@gmail.com> Signed-off-by: Björn Gustavsson <bgustavsson@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -28,6 +28,10 @@ ifndef::git-pull[]
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--multiple::
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Allow several <repository> and <group> arguments to be
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specified. No <refspec>s may be specified.
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--prune::
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After fetching, remove any remote tracking branches which
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no longer exist on the remote.
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endif::git-pull[]
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ifdef::git-pull[]
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@ -26,7 +26,7 @@ enum {
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TAGS_SET = 2
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};
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static int all, append, force, keep, multiple, update_head_ok, verbosity;
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static int all, append, force, keep, multiple, prune, update_head_ok, verbosity;
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static int tags = TAGS_DEFAULT;
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static const char *depth;
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static const char *upload_pack;
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@ -49,6 +49,8 @@ static struct option builtin_fetch_options[] = {
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"fetch all tags and associated objects", TAGS_SET),
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OPT_SET_INT('n', NULL, &tags,
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"do not fetch all tags (--no-tags)", TAGS_UNSET),
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OPT_BOOLEAN('p', "prune", &prune,
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"prune tracking branches no longer on remote"),
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OPT_BOOLEAN('k', "keep", &keep, "keep downloaded pack"),
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OPT_BOOLEAN('u', "update-head-ok", &update_head_ok,
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"allow updating of HEAD ref"),
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@ -492,6 +494,28 @@ static int fetch_refs(struct transport *transport, struct ref *ref_map)
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return ret;
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}
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static int prune_refs(struct transport *transport, struct ref *ref_map)
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{
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int result = 0;
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struct ref *ref, *stale_refs = get_stale_heads(transport->remote, ref_map);
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const char *dangling_msg = dry_run
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? " (%s will become dangling)\n"
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: " (%s has become dangling)\n";
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for (ref = stale_refs; ref; ref = ref->next) {
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if (!dry_run)
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result |= delete_ref(ref->name, NULL, 0);
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if (verbosity >= 0) {
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fprintf(stderr, " x %-*s %-*s -> %s\n",
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SUMMARY_WIDTH, "[deleted]",
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REFCOL_WIDTH, "(none)", prettify_refname(ref->name));
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warn_dangling_symref(stderr, dangling_msg, ref->name);
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}
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}
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free_refs(stale_refs);
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return result;
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}
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static int add_existing(const char *refname, const unsigned char *sha1,
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int flag, void *cbdata)
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{
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@ -616,6 +640,8 @@ static int do_fetch(struct transport *transport,
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free_refs(ref_map);
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return 1;
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}
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if (prune)
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prune_refs(transport, ref_map);
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free_refs(ref_map);
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/* if neither --no-tags nor --tags was specified, do automated tag
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@ -699,9 +725,11 @@ static int add_remote_or_group(const char *name, struct string_list *list)
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static int fetch_multiple(struct string_list *list)
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{
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int i, result = 0;
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const char *argv[] = { "fetch", NULL, NULL, NULL, NULL };
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const char *argv[] = { "fetch", NULL, NULL, NULL, NULL, NULL };
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int argc = 1;
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if (prune)
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argv[argc++] = "--prune";
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if (verbosity >= 2)
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argv[argc++] = "-v";
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if (verbosity >= 1)
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