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builtin-remote: teach show to display remote HEAD

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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>
This commit is contained in:
Jay Soffian
2009-02-25 03:32:24 -05:00
committed by Junio C Hamano
parent 3bd925636c
commit e61e0cc6b7
2 changed files with 59 additions and 7 deletions
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54
builtin-remote.c
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@ -18,6 +18,9 @@ static const char * const builtin_remote_usage[] = {
NULL
};
#define GET_REF_STATES (1<<0)
#define GET_HEAD_NAMES (1<<1)
static int verbose;
static int show_all(void);
@ -210,7 +213,7 @@ static void read_branches(void)
struct ref_states {
struct remote *remote;
struct string_list new, stale, tracked;
struct string_list new, stale, tracked, heads;
};
static int handle_one_branch(const char *refname,
@ -264,6 +267,28 @@ static int get_ref_states(const struct ref *remote_refs, struct ref_states *stat
return 0;
}
static int get_head_names(const struct ref *remote_refs, struct ref_states *states)
{
struct ref *ref, *matches;
struct ref *fetch_map = NULL, **fetch_map_tail = &fetch_map;
struct refspec refspec;
refspec.force = 0;
refspec.pattern = 1;
refspec.src = refspec.dst = "refs/heads/";
states->heads.strdup_strings = 1;
get_fetch_map(remote_refs, &refspec, &fetch_map_tail, 0);
matches = guess_remote_head(find_ref_by_name(remote_refs, "HEAD"),
fetch_map, 1);
for(ref = matches; ref; ref = ref->next)
string_list_append(abbrev_branch(ref->name), &states->heads);
free_refs(fetch_map);
free_refs(matches);
return 0;
}
struct known_remote {
struct known_remote *next;
struct remote *remote;
@ -630,6 +655,7 @@ static void free_remote_ref_states(struct ref_states *states)
string_list_clear(&states->new, 0);
string_list_clear(&states->stale, 0);
string_list_clear(&states->tracked, 0);
string_list_clear(&states->heads, 0);
}
static int append_ref_to_tracked_list(const char *refname,
@ -668,7 +694,10 @@ static int get_remote_ref_states(const char *name,
remote_refs = transport_get_remote_refs(transport);
transport_disconnect(transport);
get_ref_states(remote_refs, states);
if (query & GET_REF_STATES)
get_ref_states(remote_refs, states);
if (query & GET_HEAD_NAMES)
get_head_names(remote_refs, states);
} else {
for_each_ref(append_ref_to_tracked_list, states);
sort_string_list(&states->tracked);
@ -679,7 +708,7 @@ static int get_remote_ref_states(const char *name,
static int show(int argc, const char **argv)
{
int no_query = 0, result = 0;
int no_query = 0, result = 0, query_flag = 0;
struct option options[] = {
OPT_GROUP("show specific options"),
OPT_BOOLEAN('n', NULL, &no_query, "do not query remotes"),
@ -692,15 +721,30 @@ static int show(int argc, const char **argv)
if (argc < 1)
return show_all();
if (!no_query)
query_flag = (GET_REF_STATES | GET_HEAD_NAMES);
memset(&states, 0, sizeof(states));
for (; argc; argc--, argv++) {
int i;
get_remote_ref_states(*argv, &states, !no_query);
get_remote_ref_states(*argv, &states, query_flag);
printf("* remote %s\n URL: %s\n", *argv,
states.remote->url_nr > 0 ?
states.remote->url[0] : "(no URL)");
if (no_query)
printf(" HEAD branch: (not queried)\n");
else if (!states.heads.nr)
printf(" HEAD branch: (unknown)\n");
else if (states.heads.nr == 1)
printf(" HEAD branch: %s\n", states.heads.items[0].string);
else {
printf(" HEAD branch (remote HEAD is ambiguous,"
" may be one of the following):\n");
for (i = 0; i < states.heads.nr; i++)
printf(" %s\n", states.heads.items[i].string);
}
for (i = 0; i < branch_list.nr; i++) {
struct string_list_item *branch = branch_list.items + i;
@ -772,7 +816,7 @@ static int prune(int argc, const char **argv)
for (; argc; argc--, argv++) {
int i;
get_remote_ref_states(*argv, &states, 1);
get_remote_ref_states(*argv, &states, GET_REF_STATES);
if (states.stale.nr) {
printf("Pruning %s\n", *argv);