ef90d6d420
git_config() only had a function parameter, but no callback data parameter. This assumes that all callback functions only modify global variables. With this patch, every callback gets a void * parameter, and it is hoped that this will help the libification effort. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
627 lines
15 KiB
C
627 lines
15 KiB
C
#include "cache.h"
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#include "parse-options.h"
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#include "transport.h"
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#include "remote.h"
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#include "path-list.h"
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#include "strbuf.h"
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#include "run-command.h"
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#include "refs.h"
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static const char * const builtin_remote_usage[] = {
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"git remote",
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"git remote add <name> <url>",
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"git remote rm <name>",
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"git remote show <name>",
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"git remote prune <name>",
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"git remote update [group]",
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NULL
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};
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static int verbose;
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static int show_all(void);
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static inline int postfixcmp(const char *string, const char *postfix)
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{
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int len1 = strlen(string), len2 = strlen(postfix);
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if (len1 < len2)
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return 1;
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return strcmp(string + len1 - len2, postfix);
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}
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static inline const char *skip_prefix(const char *name, const char *prefix)
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{
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return !name ? "" :
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prefixcmp(name, prefix) ? name : name + strlen(prefix);
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}
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static int opt_parse_track(const struct option *opt, const char *arg, int not)
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{
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struct path_list *list = opt->value;
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if (not)
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path_list_clear(list, 0);
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else
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path_list_append(arg, list);
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return 0;
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}
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static int fetch_remote(const char *name)
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{
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const char *argv[] = { "fetch", name, NULL };
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printf("Updating %s\n", name);
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if (run_command_v_opt(argv, RUN_GIT_CMD))
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return error("Could not fetch %s", name);
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return 0;
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}
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static int add(int argc, const char **argv)
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{
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int fetch = 0, mirror = 0;
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struct path_list track = { NULL, 0, 0 };
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const char *master = NULL;
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struct remote *remote;
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struct strbuf buf, buf2;
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const char *name, *url;
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int i;
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struct option options[] = {
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OPT_GROUP("add specific options"),
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OPT_BOOLEAN('f', "fetch", &fetch, "fetch the remote branches"),
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OPT_CALLBACK('t', "track", &track, "branch",
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"branch(es) to track", opt_parse_track),
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OPT_STRING('m', "master", &master, "branch", "master branch"),
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OPT_BOOLEAN(0, "mirror", &mirror, "no separate remotes"),
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OPT_END()
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};
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argc = parse_options(argc, argv, options, builtin_remote_usage, 0);
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if (argc < 2)
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usage_with_options(builtin_remote_usage, options);
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name = argv[0];
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url = argv[1];
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remote = remote_get(name);
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if (remote && (remote->url_nr > 1 || strcmp(name, remote->url[0]) ||
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remote->fetch_refspec_nr))
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die("remote %s already exists.", name);
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strbuf_init(&buf, 0);
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strbuf_init(&buf2, 0);
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strbuf_addf(&buf2, "refs/heads/test:refs/remotes/%s/test", name);
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if (!valid_fetch_refspec(buf2.buf))
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die("'%s' is not a valid remote name", name);
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strbuf_addf(&buf, "remote.%s.url", name);
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if (git_config_set(buf.buf, url))
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return 1;
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strbuf_reset(&buf);
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strbuf_addf(&buf, "remote.%s.fetch", name);
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if (track.nr == 0)
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path_list_append("*", &track);
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for (i = 0; i < track.nr; i++) {
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struct path_list_item *item = track.items + i;
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strbuf_reset(&buf2);
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strbuf_addch(&buf2, '+');
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if (mirror)
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strbuf_addf(&buf2, "refs/%s:refs/%s",
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item->path, item->path);
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else
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strbuf_addf(&buf2, "refs/heads/%s:refs/remotes/%s/%s",
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item->path, name, item->path);
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if (git_config_set_multivar(buf.buf, buf2.buf, "^$", 0))
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return 1;
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}
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if (mirror) {
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strbuf_reset(&buf);
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strbuf_addf(&buf, "remote.%s.mirror", name);
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if (git_config_set(buf.buf, "yes"))
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return 1;
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}
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if (fetch && fetch_remote(name))
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return 1;
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if (master) {
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strbuf_reset(&buf);
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strbuf_addf(&buf, "refs/remotes/%s/HEAD", name);
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strbuf_reset(&buf2);
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strbuf_addf(&buf2, "refs/remotes/%s/%s", name, master);
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if (create_symref(buf.buf, buf2.buf, "remote add"))
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return error("Could not setup master '%s'", master);
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}
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strbuf_release(&buf);
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strbuf_release(&buf2);
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path_list_clear(&track, 0);
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return 0;
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}
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struct branch_info {
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char *remote;
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struct path_list merge;
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};
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static struct path_list branch_list;
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static int config_read_branches(const char *key, const char *value, void *cb)
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{
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if (!prefixcmp(key, "branch.")) {
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char *name;
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struct path_list_item *item;
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struct branch_info *info;
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enum { REMOTE, MERGE } type;
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key += 7;
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if (!postfixcmp(key, ".remote")) {
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name = xstrndup(key, strlen(key) - 7);
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type = REMOTE;
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} else if (!postfixcmp(key, ".merge")) {
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name = xstrndup(key, strlen(key) - 6);
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type = MERGE;
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} else
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return 0;
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item = path_list_insert(name, &branch_list);
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if (!item->util)
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item->util = xcalloc(sizeof(struct branch_info), 1);
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info = item->util;
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if (type == REMOTE) {
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if (info->remote)
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warning("more than one branch.%s", key);
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info->remote = xstrdup(value);
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} else {
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char *space = strchr(value, ' ');
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value = skip_prefix(value, "refs/heads/");
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while (space) {
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char *merge;
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merge = xstrndup(value, space - value);
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path_list_append(merge, &info->merge);
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value = skip_prefix(space + 1, "refs/heads/");
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space = strchr(value, ' ');
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}
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path_list_append(xstrdup(value), &info->merge);
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}
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}
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return 0;
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}
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static void read_branches(void)
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{
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if (branch_list.nr)
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return;
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git_config(config_read_branches, NULL);
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sort_path_list(&branch_list);
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}
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struct ref_states {
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struct remote *remote;
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struct strbuf remote_prefix;
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struct path_list new, stale, tracked;
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};
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static int handle_one_branch(const char *refname,
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const unsigned char *sha1, int flags, void *cb_data)
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{
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struct ref_states *states = cb_data;
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struct refspec refspec;
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memset(&refspec, 0, sizeof(refspec));
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refspec.dst = (char *)refname;
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if (!remote_find_tracking(states->remote, &refspec)) {
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struct path_list_item *item;
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const char *name = skip_prefix(refspec.src, "refs/heads/");
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/* symbolic refs pointing nowhere were handled already */
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if ((flags & REF_ISSYMREF) ||
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unsorted_path_list_has_path(&states->tracked,
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name) ||
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unsorted_path_list_has_path(&states->new,
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name))
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return 0;
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item = path_list_append(name, &states->stale);
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item->util = xstrdup(refname);
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}
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return 0;
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}
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static int get_ref_states(const struct ref *ref, struct ref_states *states)
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{
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struct ref *fetch_map = NULL, **tail = &fetch_map;
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int i;
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for (i = 0; i < states->remote->fetch_refspec_nr; i++)
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if (get_fetch_map(ref, states->remote->fetch + i, &tail, 1))
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die("Could not get fetch map for refspec %s",
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states->remote->fetch_refspec[i]);
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states->new.strdup_paths = states->tracked.strdup_paths = 1;
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for (ref = fetch_map; ref; ref = ref->next) {
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struct path_list *target = &states->tracked;
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unsigned char sha1[20];
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void *util = NULL;
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if (!ref->peer_ref || read_ref(ref->peer_ref->name, sha1))
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target = &states->new;
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else {
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target = &states->tracked;
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if (hashcmp(sha1, ref->new_sha1))
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util = &states;
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}
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path_list_append(skip_prefix(ref->name, "refs/heads/"),
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target)->util = util;
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}
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free_refs(fetch_map);
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strbuf_addf(&states->remote_prefix,
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"refs/remotes/%s/", states->remote->name);
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for_each_ref(handle_one_branch, states);
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sort_path_list(&states->stale);
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return 0;
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}
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struct branches_for_remote {
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const char *prefix;
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struct path_list *branches;
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};
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static int add_branch_for_removal(const char *refname,
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const unsigned char *sha1, int flags, void *cb_data)
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{
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struct branches_for_remote *branches = cb_data;
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if (!prefixcmp(refname, branches->prefix)) {
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struct path_list_item *item;
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/* make sure that symrefs are deleted */
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if (flags & REF_ISSYMREF)
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return unlink(git_path(refname));
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item = path_list_append(refname, branches->branches);
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item->util = xmalloc(20);
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hashcpy(item->util, sha1);
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}
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return 0;
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}
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static int remove_branches(struct path_list *branches)
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{
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int i, result = 0;
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for (i = 0; i < branches->nr; i++) {
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struct path_list_item *item = branches->items + i;
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const char *refname = item->path;
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unsigned char *sha1 = item->util;
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if (delete_ref(refname, sha1))
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result |= error("Could not remove branch %s", refname);
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}
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return result;
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}
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static int rm(int argc, const char **argv)
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{
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struct option options[] = {
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OPT_END()
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};
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struct remote *remote;
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struct strbuf buf;
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struct path_list branches = { NULL, 0, 0, 1 };
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struct branches_for_remote cb_data = { NULL, &branches };
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int i;
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if (argc != 2)
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usage_with_options(builtin_remote_usage, options);
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remote = remote_get(argv[1]);
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if (!remote)
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die("No such remote: %s", argv[1]);
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strbuf_init(&buf, 0);
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strbuf_addf(&buf, "remote.%s", remote->name);
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if (git_config_rename_section(buf.buf, NULL) < 1)
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return error("Could not remove config section '%s'", buf.buf);
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read_branches();
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for (i = 0; i < branch_list.nr; i++) {
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struct path_list_item *item = branch_list.items + i;
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struct branch_info *info = item->util;
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if (info->remote && !strcmp(info->remote, remote->name)) {
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const char *keys[] = { "remote", "merge", NULL }, **k;
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for (k = keys; *k; k++) {
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strbuf_reset(&buf);
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strbuf_addf(&buf, "branch.%s.%s",
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item->path, *k);
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if (git_config_set(buf.buf, NULL)) {
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strbuf_release(&buf);
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return -1;
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}
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}
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}
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}
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/*
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* We cannot just pass a function to for_each_ref() which deletes
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* the branches one by one, since for_each_ref() relies on cached
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* refs, which are invalidated when deleting a branch.
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*/
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strbuf_reset(&buf);
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strbuf_addf(&buf, "refs/remotes/%s/", remote->name);
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cb_data.prefix = buf.buf;
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i = for_each_ref(add_branch_for_removal, &cb_data);
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strbuf_release(&buf);
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if (!i)
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i = remove_branches(&branches);
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path_list_clear(&branches, 1);
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return i;
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}
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static void show_list(const char *title, struct path_list *list)
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{
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int i;
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if (!list->nr)
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return;
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printf(title, list->nr > 1 ? "es" : "");
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printf("\n ");
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for (i = 0; i < list->nr; i++)
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printf("%s%s", i ? " " : "", list->items[i].path);
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printf("\n");
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}
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static int show_or_prune(int argc, const char **argv, int prune)
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{
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int dry_run = 0, result = 0;
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struct option options[] = {
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OPT_GROUP("show specific options"),
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OPT__DRY_RUN(&dry_run),
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OPT_END()
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};
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struct ref_states states;
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argc = parse_options(argc, argv, options, builtin_remote_usage, 0);
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if (argc < 1) {
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if (!prune)
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return show_all();
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usage_with_options(builtin_remote_usage, options);
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}
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memset(&states, 0, sizeof(states));
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for (; argc; argc--, argv++) {
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struct transport *transport;
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const struct ref *ref;
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struct strbuf buf;
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int i, got_states;
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states.remote = remote_get(*argv);
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if (!states.remote)
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return error("No such remote: %s", *argv);
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transport = transport_get(NULL, states.remote->url_nr > 0 ?
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states.remote->url[0] : NULL);
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ref = transport_get_remote_refs(transport);
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transport_disconnect(transport);
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read_branches();
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got_states = get_ref_states(ref, &states);
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if (got_states)
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result = error("Error getting local info for '%s'",
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states.remote->name);
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if (prune) {
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struct strbuf buf;
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int prefix_len;
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strbuf_init(&buf, 0);
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if (states.remote->fetch_refspec_nr == 1 &&
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states.remote->fetch->pattern &&
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!strcmp(states.remote->fetch->src,
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states.remote->fetch->dst))
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/* handle --mirror remote */
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strbuf_addstr(&buf, "refs/heads/");
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else
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strbuf_addf(&buf, "refs/remotes/%s/", *argv);
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prefix_len = buf.len;
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for (i = 0; i < states.stale.nr; i++) {
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strbuf_setlen(&buf, prefix_len);
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strbuf_addstr(&buf, states.stale.items[i].path);
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result |= delete_ref(buf.buf, NULL);
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}
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strbuf_release(&buf);
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goto cleanup_states;
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}
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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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for (i = 0; i < branch_list.nr; i++) {
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struct path_list_item *branch = branch_list.items + i;
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struct branch_info *info = branch->util;
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int j;
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if (!info->merge.nr || strcmp(*argv, info->remote))
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continue;
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printf(" Remote branch%s merged with 'git pull' "
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"while on branch %s\n ",
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info->merge.nr > 1 ? "es" : "",
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branch->path);
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for (j = 0; j < info->merge.nr; j++)
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printf(" %s", info->merge.items[j].path);
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printf("\n");
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}
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if (got_states)
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continue;
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strbuf_init(&buf, 0);
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strbuf_addf(&buf, " New remote branch%%s (next fetch will "
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"store in remotes/%s)", states.remote->name);
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show_list(buf.buf, &states.new);
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strbuf_release(&buf);
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show_list(" Stale tracking branch%s (use 'git remote prune')",
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&states.stale);
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show_list(" Tracked remote branch%s",
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&states.tracked);
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if (states.remote->push_refspec_nr) {
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printf(" Local branch%s pushed with 'git push'\n ",
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states.remote->push_refspec_nr > 1 ?
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"es" : "");
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for (i = 0; i < states.remote->push_refspec_nr; i++) {
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struct refspec *spec = states.remote->push + i;
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printf(" %s%s%s%s", spec->force ? "+" : "",
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skip_prefix(spec->src, "refs/heads/"),
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spec->dst ? ":" : "",
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skip_prefix(spec->dst, "refs/heads/"));
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}
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printf("\n");
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}
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cleanup_states:
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/* NEEDSWORK: free remote */
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path_list_clear(&states.new, 0);
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path_list_clear(&states.stale, 0);
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path_list_clear(&states.tracked, 0);
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}
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return result;
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}
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static int get_one_remote_for_update(struct remote *remote, void *priv)
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{
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struct path_list *list = priv;
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if (!remote->skip_default_update)
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path_list_append(xstrdup(remote->name), list);
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return 0;
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}
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struct remote_group {
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const char *name;
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struct path_list *list;
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} remote_group;
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static int get_remote_group(const char *key, const char *value, void *cb)
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{
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if (!prefixcmp(key, "remotes.") &&
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!strcmp(key + 8, remote_group.name)) {
|
|
/* split list by white space */
|
|
int space = strcspn(value, " \t\n");
|
|
while (*value) {
|
|
if (space > 1)
|
|
path_list_append(xstrndup(value, space),
|
|
remote_group.list);
|
|
value += space + (value[space] != '\0');
|
|
space = strcspn(value, " \t\n");
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int update(int argc, const char **argv)
|
|
{
|
|
int i, result = 0;
|
|
struct path_list list = { NULL, 0, 0, 0 };
|
|
static const char *default_argv[] = { NULL, "default", NULL };
|
|
|
|
if (argc < 2) {
|
|
argc = 2;
|
|
argv = default_argv;
|
|
}
|
|
|
|
remote_group.list = &list;
|
|
for (i = 1; i < argc; i++) {
|
|
remote_group.name = argv[i];
|
|
result = git_config(get_remote_group, NULL);
|
|
}
|
|
|
|
if (!result && !list.nr && argc == 2 && !strcmp(argv[1], "default"))
|
|
result = for_each_remote(get_one_remote_for_update, &list);
|
|
|
|
for (i = 0; i < list.nr; i++)
|
|
result |= fetch_remote(list.items[i].path);
|
|
|
|
/* all names were strdup()ed or strndup()ed */
|
|
list.strdup_paths = 1;
|
|
path_list_clear(&list, 0);
|
|
|
|
return result;
|
|
}
|
|
|
|
static int get_one_entry(struct remote *remote, void *priv)
|
|
{
|
|
struct path_list *list = priv;
|
|
|
|
path_list_append(remote->name, list)->util = remote->url_nr ?
|
|
(void *)remote->url[0] : NULL;
|
|
if (remote->url_nr > 1)
|
|
warning("Remote %s has more than one URL", remote->name);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int show_all(void)
|
|
{
|
|
struct path_list list = { NULL, 0, 0 };
|
|
int result = for_each_remote(get_one_entry, &list);
|
|
|
|
if (!result) {
|
|
int i;
|
|
|
|
sort_path_list(&list);
|
|
for (i = 0; i < list.nr; i++) {
|
|
struct path_list_item *item = list.items + i;
|
|
printf("%s%s%s\n", item->path,
|
|
verbose ? "\t" : "",
|
|
verbose && item->util ?
|
|
(const char *)item->util : "");
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
int cmd_remote(int argc, const char **argv, const char *prefix)
|
|
{
|
|
struct option options[] = {
|
|
OPT__VERBOSE(&verbose),
|
|
OPT_END()
|
|
};
|
|
int result;
|
|
|
|
argc = parse_options(argc, argv, options, builtin_remote_usage,
|
|
PARSE_OPT_STOP_AT_NON_OPTION);
|
|
|
|
if (argc < 1)
|
|
result = show_all();
|
|
else if (!strcmp(argv[0], "add"))
|
|
result = add(argc, argv);
|
|
else if (!strcmp(argv[0], "rm"))
|
|
result = rm(argc, argv);
|
|
else if (!strcmp(argv[0], "show"))
|
|
result = show_or_prune(argc, argv, 0);
|
|
else if (!strcmp(argv[0], "prune"))
|
|
result = show_or_prune(argc, argv, 1);
|
|
else if (!strcmp(argv[0], "update"))
|
|
result = update(argc, argv);
|
|
else {
|
|
error("Unknown subcommand: %s", argv[0]);
|
|
usage_with_options(builtin_remote_usage, options);
|
|
}
|
|
|
|
return result ? 1 : 0;
|
|
}
|