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builtin-remote: teach show to display remote HEAD
This is in preparation for teaching remote how to set refs/remotes/<remote>/HEAD to match what HEAD is set to at <remote>, but is useful in its own right. Signed-off-by: Jay Soffian <jaysoffian@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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commit
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@ -18,6 +18,9 @@ static const char * const builtin_remote_usage[] = {
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NULL
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};
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#define GET_REF_STATES (1<<0)
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#define GET_HEAD_NAMES (1<<1)
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static int verbose;
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static int show_all(void);
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@ -210,7 +213,7 @@ static void read_branches(void)
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struct ref_states {
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struct remote *remote;
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struct string_list new, stale, tracked;
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struct string_list new, stale, tracked, heads;
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};
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static int handle_one_branch(const char *refname,
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@ -264,6 +267,28 @@ static int get_ref_states(const struct ref *remote_refs, struct ref_states *stat
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return 0;
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}
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static int get_head_names(const struct ref *remote_refs, struct ref_states *states)
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{
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struct ref *ref, *matches;
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struct ref *fetch_map = NULL, **fetch_map_tail = &fetch_map;
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struct refspec refspec;
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refspec.force = 0;
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refspec.pattern = 1;
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refspec.src = refspec.dst = "refs/heads/";
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states->heads.strdup_strings = 1;
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get_fetch_map(remote_refs, &refspec, &fetch_map_tail, 0);
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matches = guess_remote_head(find_ref_by_name(remote_refs, "HEAD"),
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fetch_map, 1);
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for(ref = matches; ref; ref = ref->next)
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string_list_append(abbrev_branch(ref->name), &states->heads);
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free_refs(fetch_map);
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free_refs(matches);
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return 0;
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}
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struct known_remote {
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struct known_remote *next;
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struct remote *remote;
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@ -630,6 +655,7 @@ static void free_remote_ref_states(struct ref_states *states)
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string_list_clear(&states->new, 0);
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string_list_clear(&states->stale, 0);
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string_list_clear(&states->tracked, 0);
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string_list_clear(&states->heads, 0);
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}
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static int append_ref_to_tracked_list(const char *refname,
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@ -668,7 +694,10 @@ static int get_remote_ref_states(const char *name,
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remote_refs = transport_get_remote_refs(transport);
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transport_disconnect(transport);
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get_ref_states(remote_refs, states);
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if (query & GET_REF_STATES)
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get_ref_states(remote_refs, states);
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if (query & GET_HEAD_NAMES)
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get_head_names(remote_refs, states);
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} else {
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for_each_ref(append_ref_to_tracked_list, states);
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sort_string_list(&states->tracked);
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@ -679,7 +708,7 @@ static int get_remote_ref_states(const char *name,
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static int show(int argc, const char **argv)
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{
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int no_query = 0, result = 0;
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int no_query = 0, result = 0, query_flag = 0;
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struct option options[] = {
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OPT_GROUP("show specific options"),
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OPT_BOOLEAN('n', NULL, &no_query, "do not query remotes"),
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@ -692,15 +721,30 @@ static int show(int argc, const char **argv)
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if (argc < 1)
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return show_all();
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if (!no_query)
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query_flag = (GET_REF_STATES | GET_HEAD_NAMES);
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memset(&states, 0, sizeof(states));
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for (; argc; argc--, argv++) {
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int i;
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get_remote_ref_states(*argv, &states, !no_query);
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get_remote_ref_states(*argv, &states, query_flag);
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printf("* remote %s\n URL: %s\n", *argv,
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states.remote->url_nr > 0 ?
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states.remote->url[0] : "(no URL)");
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if (no_query)
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printf(" HEAD branch: (not queried)\n");
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else if (!states.heads.nr)
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printf(" HEAD branch: (unknown)\n");
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else if (states.heads.nr == 1)
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printf(" HEAD branch: %s\n", states.heads.items[0].string);
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else {
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printf(" HEAD branch (remote HEAD is ambiguous,"
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" may be one of the following):\n");
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for (i = 0; i < states.heads.nr; i++)
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printf(" %s\n", states.heads.items[i].string);
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}
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for (i = 0; i < branch_list.nr; i++) {
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struct string_list_item *branch = branch_list.items + i;
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@ -772,7 +816,7 @@ static int prune(int argc, const char **argv)
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for (; argc; argc--, argv++) {
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int i;
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get_remote_ref_states(*argv, &states, 1);
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get_remote_ref_states(*argv, &states, GET_REF_STATES);
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if (states.stale.nr) {
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printf("Pruning %s\n", *argv);
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@ -136,6 +136,7 @@ EOF
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cat > test/expect << EOF
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* remote origin
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URL: $(pwd)/one
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HEAD branch: master
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Remote branch merged with 'git pull' while on branch master
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master
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New remote branch (next fetch will store in remotes/origin)
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@ -146,6 +147,11 @@ cat > test/expect << EOF
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Local branches pushed with 'git push'
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master:upstream
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+refs/tags/lastbackup
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* remote two
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URL: ../two
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HEAD branch (remote HEAD is ambiguous, may be one of the following):
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another
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master
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EOF
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test_expect_success 'show' '
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@ -154,6 +160,7 @@ test_expect_success 'show' '
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refs/heads/master:refs/heads/upstream &&
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git fetch &&
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git branch -d -r origin/master &&
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git config --add remote.two.url ../two &&
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(cd ../one &&
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echo 1 > file &&
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test_tick &&
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@ -162,13 +169,14 @@ test_expect_success 'show' '
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refs/heads/master:refs/heads/upstream &&
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git config --add remote.origin.push \
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+refs/tags/lastbackup &&
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git remote show origin > output &&
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git remote show origin two > output &&
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test_cmp expect output)
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'
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cat > test/expect << EOF
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* remote origin
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URL: $(pwd)/one
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HEAD branch: (not queried)
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Remote branch merged with 'git pull' while on branch master
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master
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Tracked remote branches
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@ -343,7 +351,7 @@ test_expect_success '"remote show" does not show symbolic refs' '
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git clone one three &&
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(cd three &&
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git remote show origin > output &&
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! grep HEAD < output &&
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! grep "^ *HEAD$" < output &&
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! grep -i stale < output)
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'
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