mirror of
https://git.proxmox.com/git/libgit2
synced 2025-05-02 14:37:30 +00:00
a1abe66aca
Added `struct git_config_entry`: a git_config_entry contains the key, the value, and the config file level from which a config element was found. Added `git_config_open_level`: build a single-level focused config object from a multi-level one. We are now storing `git_config_entry`s in the khash of the config_file
754 lines
16 KiB
C
754 lines
16 KiB
C
/*
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* Copyright (C) 2009-2012 the libgit2 contributors
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*
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* This file is part of libgit2, distributed under the GNU GPL v2 with
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* a Linking Exception. For full terms see the included COPYING file.
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*/
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#include "git2/config.h"
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#include "git2/types.h"
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#include "git2/oid.h"
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#include "config.h"
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#include "repository.h"
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#include "remote.h"
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#include "fetch.h"
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#include "refs.h"
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#include "pkt.h"
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#include <regex.h>
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static int parse_remote_refspec(git_config *cfg, git_refspec *refspec, const char *var, bool is_fetch)
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{
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int error;
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const char *val;
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if ((error = git_config_get_string(&val, cfg, var)) < 0)
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return error;
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return git_refspec__parse(refspec, val, is_fetch);
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}
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static int download_tags_value(git_remote *remote, git_config *cfg)
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{
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const char *val;
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git_buf buf = GIT_BUF_INIT;
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int error;
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if (remote->download_tags != GIT_REMOTE_DOWNLOAD_TAGS_UNSET)
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return 0;
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/* This is the default, let's see if we need to change it */
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remote->download_tags = GIT_REMOTE_DOWNLOAD_TAGS_AUTO;
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if (git_buf_printf(&buf, "remote.%s.tagopt", remote->name) < 0)
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return -1;
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error = git_config_get_string(&val, cfg, git_buf_cstr(&buf));
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git_buf_free(&buf);
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if (!error && !strcmp(val, "--no-tags"))
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remote->download_tags = GIT_REMOTE_DOWNLOAD_TAGS_NONE;
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else if (!error && !strcmp(val, "--tags"))
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remote->download_tags = GIT_REMOTE_DOWNLOAD_TAGS_ALL;
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if (error == GIT_ENOTFOUND)
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error = 0;
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return error;
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}
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int git_remote_new(git_remote **out, git_repository *repo, const char *name, const char *url, const char *fetch)
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{
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git_remote *remote;
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/* name is optional */
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assert(out && repo && url);
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remote = git__malloc(sizeof(git_remote));
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GITERR_CHECK_ALLOC(remote);
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memset(remote, 0x0, sizeof(git_remote));
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remote->repo = repo;
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remote->check_cert = 1;
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if (git_vector_init(&remote->refs, 32, NULL) < 0)
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return -1;
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remote->url = git__strdup(url);
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GITERR_CHECK_ALLOC(remote->url);
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if (name != NULL) {
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remote->name = git__strdup(name);
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GITERR_CHECK_ALLOC(remote->name);
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}
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if (fetch != NULL) {
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if (git_refspec__parse(&remote->fetch, fetch, true) < 0)
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goto on_error;
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}
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/* A remote without a name doesn't download tags */
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if (!name) {
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remote->download_tags = GIT_REMOTE_DOWNLOAD_TAGS_NONE;
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}
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*out = remote;
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return 0;
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on_error:
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git_remote_free(remote);
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return -1;
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}
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int git_remote_load(git_remote **out, git_repository *repo, const char *name)
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{
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git_remote *remote;
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git_buf buf = GIT_BUF_INIT;
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const char *val;
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int error = 0;
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git_config *config;
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assert(out && repo && name);
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if (git_repository_config__weakptr(&config, repo) < 0)
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return -1;
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remote = git__malloc(sizeof(git_remote));
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GITERR_CHECK_ALLOC(remote);
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memset(remote, 0x0, sizeof(git_remote));
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remote->check_cert = 1;
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remote->name = git__strdup(name);
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GITERR_CHECK_ALLOC(remote->name);
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if (git_vector_init(&remote->refs, 32, NULL) < 0) {
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error = -1;
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goto cleanup;
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}
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if (git_buf_printf(&buf, "remote.%s.url", name) < 0) {
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error = -1;
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goto cleanup;
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}
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if ((error = git_config_get_string(&val, config, git_buf_cstr(&buf))) < 0)
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goto cleanup;
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remote->repo = repo;
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remote->url = git__strdup(val);
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GITERR_CHECK_ALLOC(remote->url);
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git_buf_clear(&buf);
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if (git_buf_printf(&buf, "remote.%s.pushurl", name) < 0) {
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error = -1;
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goto cleanup;
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}
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error = git_config_get_string(&val, config, git_buf_cstr(&buf));
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if (error == GIT_ENOTFOUND)
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error = 0;
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if (error < 0) {
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error = -1;
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goto cleanup;
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}
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if (val) {
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remote->pushurl = git__strdup(val);
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GITERR_CHECK_ALLOC(remote->pushurl);
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}
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git_buf_clear(&buf);
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if (git_buf_printf(&buf, "remote.%s.fetch", name) < 0) {
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error = -1;
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goto cleanup;
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}
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error = parse_remote_refspec(config, &remote->fetch, git_buf_cstr(&buf), true);
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if (error == GIT_ENOTFOUND)
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error = 0;
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if (error < 0) {
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error = -1;
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goto cleanup;
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}
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git_buf_clear(&buf);
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if (git_buf_printf(&buf, "remote.%s.push", name) < 0) {
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error = -1;
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goto cleanup;
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}
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error = parse_remote_refspec(config, &remote->push, git_buf_cstr(&buf), false);
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if (error == GIT_ENOTFOUND)
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error = 0;
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if (error < 0) {
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error = -1;
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goto cleanup;
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}
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if (download_tags_value(remote, config) < 0)
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goto cleanup;
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*out = remote;
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cleanup:
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git_buf_free(&buf);
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if (error < 0)
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git_remote_free(remote);
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return error;
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}
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int git_remote_save(const git_remote *remote)
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{
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int error;
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git_config *config;
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const char *tagopt = NULL;
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git_buf buf = GIT_BUF_INIT, value = GIT_BUF_INIT;
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if (git_repository_config__weakptr(&config, remote->repo) < 0)
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return -1;
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if (git_buf_printf(&buf, "remote.%s.url", remote->name) < 0)
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return -1;
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if (git_config_set_string(config, git_buf_cstr(&buf), remote->url) < 0) {
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git_buf_free(&buf);
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return -1;
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}
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git_buf_clear(&buf);
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if (git_buf_printf(&buf, "remote.%s.pushurl", remote->name) < 0)
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return -1;
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if (remote->pushurl) {
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if (git_config_set_string(config, git_buf_cstr(&buf), remote->pushurl) < 0) {
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git_buf_free(&buf);
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return -1;
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}
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} else {
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int error = git_config_delete(config, git_buf_cstr(&buf));
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if (error == GIT_ENOTFOUND) {
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error = 0;
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}
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if (error < 0) {
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git_buf_free(&buf);
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return -1;
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}
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}
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if (remote->fetch.src != NULL && remote->fetch.dst != NULL) {
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git_buf_clear(&buf);
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git_buf_clear(&value);
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git_buf_printf(&buf, "remote.%s.fetch", remote->name);
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if (remote->fetch.force)
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git_buf_putc(&value, '+');
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git_buf_printf(&value, "%s:%s", remote->fetch.src, remote->fetch.dst);
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if (git_buf_oom(&buf) || git_buf_oom(&value))
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return -1;
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if (git_config_set_string(config, git_buf_cstr(&buf), git_buf_cstr(&value)) < 0)
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goto on_error;
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}
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if (remote->push.src != NULL && remote->push.dst != NULL) {
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git_buf_clear(&buf);
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git_buf_clear(&value);
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git_buf_printf(&buf, "remote.%s.push", remote->name);
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if (remote->push.force)
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git_buf_putc(&value, '+');
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git_buf_printf(&value, "%s:%s", remote->push.src, remote->push.dst);
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if (git_buf_oom(&buf) || git_buf_oom(&value))
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return -1;
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if (git_config_set_string(config, git_buf_cstr(&buf), git_buf_cstr(&value)) < 0)
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goto on_error;
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}
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/*
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* What action to take depends on the old and new values. This
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* is describes by the table below. tagopt means whether the
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* is already a value set in the config
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*
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* AUTO ALL or NONE
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* +-----------------------+
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* tagopt | remove | set |
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* +---------+-------------|
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* !tagopt | nothing | set |
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* +---------+-------------+
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*/
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git_buf_clear(&buf);
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if (git_buf_printf(&buf, "remote.%s.tagopt", remote->name) < 0)
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goto on_error;
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error = git_config_get_string(&tagopt, config, git_buf_cstr(&buf));
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if (error < 0 && error != GIT_ENOTFOUND)
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goto on_error;
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if (remote->download_tags == GIT_REMOTE_DOWNLOAD_TAGS_ALL) {
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if (git_config_set_string(config, git_buf_cstr(&buf), "--tags") < 0)
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goto on_error;
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} else if (remote->download_tags == GIT_REMOTE_DOWNLOAD_TAGS_NONE) {
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if (git_config_set_string(config, git_buf_cstr(&buf), "--no-tags") < 0)
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goto on_error;
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} else if (tagopt) {
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if (git_config_delete(config, git_buf_cstr(&buf)) < 0)
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goto on_error;
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}
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git_buf_free(&buf);
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git_buf_free(&value);
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return 0;
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on_error:
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git_buf_free(&buf);
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git_buf_free(&value);
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return -1;
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}
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const char *git_remote_name(git_remote *remote)
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{
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assert(remote);
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return remote->name;
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}
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const char *git_remote_url(git_remote *remote)
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{
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assert(remote);
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return remote->url;
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}
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int git_remote_set_url(git_remote *remote, const char* url)
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{
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assert(remote);
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assert(url);
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git__free(remote->url);
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remote->url = git__strdup(url);
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GITERR_CHECK_ALLOC(remote->url);
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return 0;
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}
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const char *git_remote_pushurl(git_remote *remote)
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{
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assert(remote);
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return remote->pushurl;
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}
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int git_remote_set_pushurl(git_remote *remote, const char* url)
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{
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assert(remote);
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git__free(remote->pushurl);
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if (url) {
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remote->pushurl = git__strdup(url);
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GITERR_CHECK_ALLOC(remote->pushurl);
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} else {
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remote->pushurl = NULL;
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}
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return 0;
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}
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int git_remote_set_fetchspec(git_remote *remote, const char *spec)
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{
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git_refspec refspec;
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assert(remote && spec);
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if (git_refspec__parse(&refspec, spec, true) < 0)
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return -1;
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git_refspec__free(&remote->fetch);
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remote->fetch.src = refspec.src;
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remote->fetch.dst = refspec.dst;
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return 0;
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}
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const git_refspec *git_remote_fetchspec(git_remote *remote)
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{
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assert(remote);
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return &remote->fetch;
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}
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int git_remote_set_pushspec(git_remote *remote, const char *spec)
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{
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git_refspec refspec;
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assert(remote && spec);
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if (git_refspec__parse(&refspec, spec, false) < 0)
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return -1;
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git_refspec__free(&remote->push);
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remote->push.src = refspec.src;
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remote->push.dst = refspec.dst;
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return 0;
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}
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const git_refspec *git_remote_pushspec(git_remote *remote)
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{
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assert(remote);
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return &remote->push;
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}
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const char* git_remote__urlfordirection(git_remote *remote, int direction)
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{
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assert(remote);
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if (direction == GIT_DIR_FETCH) {
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return remote->url;
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}
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if (direction == GIT_DIR_PUSH) {
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return remote->pushurl ? remote->pushurl : remote->url;
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}
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return NULL;
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}
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int git_remote_connect(git_remote *remote, int direction)
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{
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git_transport *t;
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const char *url;
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assert(remote);
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url = git_remote__urlfordirection(remote, direction);
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if (url == NULL )
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return -1;
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if (git_transport_new(&t, url) < 0)
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return -1;
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t->progress_cb = remote->callbacks.progress;
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t->cb_data = remote->callbacks.data;
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t->check_cert = remote->check_cert;
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if (t->connect(t, direction) < 0) {
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goto on_error;
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}
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remote->transport = t;
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return 0;
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on_error:
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t->free(t);
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return -1;
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}
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int git_remote_ls(git_remote *remote, git_headlist_cb list_cb, void *payload)
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{
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git_vector *refs = &remote->transport->refs;
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unsigned int i;
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git_pkt *p = NULL;
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assert(remote);
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if (!remote->transport || !remote->transport->connected) {
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giterr_set(GITERR_NET, "The remote is not connected");
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return -1;
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}
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git_vector_foreach(refs, i, p) {
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git_pkt_ref *pkt = NULL;
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if (p->type != GIT_PKT_REF)
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continue;
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pkt = (git_pkt_ref *)p;
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if (list_cb(&pkt->head, payload))
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return GIT_EUSER;
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}
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return 0;
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}
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int git_remote_download(git_remote *remote, git_off_t *bytes, git_indexer_stats *stats)
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{
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int error;
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assert(remote && bytes && stats);
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if ((error = git_fetch_negotiate(remote)) < 0)
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return error;
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return git_fetch_download_pack(remote, bytes, stats);
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}
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int git_remote_update_tips(git_remote *remote)
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{
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int error = 0, autotag;
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unsigned int i = 0;
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git_buf refname = GIT_BUF_INIT;
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git_oid old;
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git_pkt *pkt;
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git_odb *odb;
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git_vector *refs;
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git_remote_head *head;
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git_reference *ref;
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struct git_refspec *spec;
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git_refspec tagspec;
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assert(remote);
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refs = &remote->transport->refs;
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spec = &remote->fetch;
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if (refs->length == 0)
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return 0;
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if (git_repository_odb__weakptr(&odb, remote->repo) < 0)
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return -1;
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if (git_refspec__parse(&tagspec, GIT_REFSPEC_TAGS, true) < 0)
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return -1;
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/* HEAD is only allowed to be the first in the list */
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pkt = refs->contents[0];
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head = &((git_pkt_ref *)pkt)->head;
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if (!strcmp(head->name, GIT_HEAD_FILE)) {
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if (git_reference_create_oid(&ref, remote->repo, GIT_FETCH_HEAD_FILE, &head->oid, 1) < 0)
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return -1;
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i = 1;
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git_reference_free(ref);
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}
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for (; i < refs->length; ++i) {
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git_pkt *pkt = refs->contents[i];
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autotag = 0;
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if (pkt->type == GIT_PKT_REF)
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head = &((git_pkt_ref *)pkt)->head;
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else
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continue;
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/* Ignore malformed ref names (which also saves us from tag^{} */
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if (!git_reference_is_valid_name(head->name))
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continue;
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if (git_refspec_src_matches(spec, head->name)) {
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if (git_refspec_transform_r(&refname, spec, head->name) < 0)
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goto on_error;
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} else if (remote->download_tags != GIT_REMOTE_DOWNLOAD_TAGS_NONE) {
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if (remote->download_tags != GIT_REMOTE_DOWNLOAD_TAGS_ALL)
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autotag = 1;
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if (!git_refspec_src_matches(&tagspec, head->name))
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continue;
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git_buf_clear(&refname);
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if (git_buf_puts(&refname, head->name) < 0)
|
|
goto on_error;
|
|
} else {
|
|
continue;
|
|
}
|
|
|
|
if (autotag && !git_odb_exists(odb, &head->oid))
|
|
continue;
|
|
|
|
error = git_reference_name_to_oid(&old, remote->repo, refname.ptr);
|
|
if (error < 0 && error != GIT_ENOTFOUND)
|
|
goto on_error;
|
|
|
|
if (error == GIT_ENOTFOUND)
|
|
memset(&old, 0, GIT_OID_RAWSZ);
|
|
|
|
if (!git_oid_cmp(&old, &head->oid))
|
|
continue;
|
|
|
|
/* In autotag mode, don't overwrite any locally-existing tags */
|
|
error = git_reference_create_oid(&ref, remote->repo, refname.ptr, &head->oid, !autotag);
|
|
if (error < 0 && error != GIT_EEXISTS)
|
|
goto on_error;
|
|
|
|
git_reference_free(ref);
|
|
|
|
if (remote->callbacks.update_tips != NULL) {
|
|
if (remote->callbacks.update_tips(refname.ptr, &old, &head->oid, remote->callbacks.data) < 0)
|
|
goto on_error;
|
|
}
|
|
}
|
|
|
|
git_refspec__free(&tagspec);
|
|
git_buf_free(&refname);
|
|
return 0;
|
|
|
|
on_error:
|
|
git_refspec__free(&tagspec);
|
|
git_buf_free(&refname);
|
|
return -1;
|
|
|
|
}
|
|
|
|
int git_remote_connected(git_remote *remote)
|
|
{
|
|
assert(remote);
|
|
return remote->transport == NULL ? 0 : remote->transport->connected;
|
|
}
|
|
|
|
void git_remote_stop(git_remote *remote)
|
|
{
|
|
git_atomic_set(&remote->transport->cancel, 1);
|
|
}
|
|
|
|
void git_remote_disconnect(git_remote *remote)
|
|
{
|
|
assert(remote);
|
|
|
|
if (remote->transport != NULL && remote->transport->connected)
|
|
remote->transport->close(remote->transport);
|
|
}
|
|
|
|
void git_remote_free(git_remote *remote)
|
|
{
|
|
if (remote == NULL)
|
|
return;
|
|
|
|
if (remote->transport != NULL) {
|
|
git_remote_disconnect(remote);
|
|
|
|
remote->transport->free(remote->transport);
|
|
remote->transport = NULL;
|
|
}
|
|
|
|
git_vector_free(&remote->refs);
|
|
|
|
git_refspec__free(&remote->fetch);
|
|
git_refspec__free(&remote->push);
|
|
git__free(remote->url);
|
|
git__free(remote->pushurl);
|
|
git__free(remote->name);
|
|
git__free(remote);
|
|
}
|
|
|
|
struct cb_data {
|
|
git_vector *list;
|
|
regex_t *preg;
|
|
};
|
|
|
|
static int remote_list_cb(const git_config_entry *entry, void *data_)
|
|
{
|
|
struct cb_data *data = (struct cb_data *)data_;
|
|
size_t nmatch = 2;
|
|
regmatch_t pmatch[2];
|
|
const char *name = entry->name;
|
|
|
|
if (!regexec(data->preg, name, nmatch, pmatch, 0)) {
|
|
char *remote_name = git__strndup(&name[pmatch[1].rm_so], pmatch[1].rm_eo - pmatch[1].rm_so);
|
|
GITERR_CHECK_ALLOC(remote_name);
|
|
|
|
if (git_vector_insert(data->list, remote_name) < 0)
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int git_remote_list(git_strarray *remotes_list, git_repository *repo)
|
|
{
|
|
git_config *cfg;
|
|
git_vector list;
|
|
regex_t preg;
|
|
struct cb_data data;
|
|
int error;
|
|
|
|
if (git_repository_config__weakptr(&cfg, repo) < 0)
|
|
return -1;
|
|
|
|
if (git_vector_init(&list, 4, NULL) < 0)
|
|
return -1;
|
|
|
|
if (regcomp(&preg, "^remote\\.(.*)\\.url$", REG_EXTENDED) < 0) {
|
|
giterr_set(GITERR_OS, "Remote catch regex failed to compile");
|
|
return -1;
|
|
}
|
|
|
|
data.list = &list;
|
|
data.preg = &preg;
|
|
error = git_config_foreach(cfg, remote_list_cb, &data);
|
|
regfree(&preg);
|
|
if (error < 0) {
|
|
size_t i;
|
|
char *elem;
|
|
git_vector_foreach(&list, i, elem) {
|
|
git__free(elem);
|
|
}
|
|
|
|
git_vector_free(&list);
|
|
|
|
/* cb error is converted to GIT_EUSER by git_config_foreach */
|
|
if (error == GIT_EUSER)
|
|
error = -1;
|
|
|
|
return error;
|
|
}
|
|
|
|
remotes_list->strings = (char **)list.contents;
|
|
remotes_list->count = list.length;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int git_remote_add(git_remote **out, git_repository *repo, const char *name, const char *url)
|
|
{
|
|
git_buf buf = GIT_BUF_INIT;
|
|
|
|
if (git_buf_printf(&buf, "+refs/heads/*:refs/remotes/%s/*", name) < 0)
|
|
return -1;
|
|
|
|
if (git_remote_new(out, repo, name, url, git_buf_cstr(&buf)) < 0)
|
|
goto on_error;
|
|
|
|
git_buf_free(&buf);
|
|
|
|
if (git_remote_save(*out) < 0)
|
|
goto on_error;
|
|
|
|
return 0;
|
|
|
|
on_error:
|
|
git_buf_free(&buf);
|
|
git_remote_free(*out);
|
|
return -1;
|
|
}
|
|
|
|
void git_remote_check_cert(git_remote *remote, int check)
|
|
{
|
|
assert(remote);
|
|
|
|
remote->check_cert = check;
|
|
}
|
|
|
|
void git_remote_set_callbacks(git_remote *remote, git_remote_callbacks *callbacks)
|
|
{
|
|
assert(remote && callbacks);
|
|
|
|
memcpy(&remote->callbacks, callbacks, sizeof(git_remote_callbacks));
|
|
|
|
if (remote->transport) {
|
|
remote->transport->progress_cb = remote->callbacks.progress;
|
|
remote->transport->cb_data = remote->callbacks.data;
|
|
}
|
|
}
|
|
|
|
int git_remote_autotag(git_remote *remote)
|
|
{
|
|
return remote->download_tags;
|
|
}
|
|
|
|
void git_remote_set_autotag(git_remote *remote, int value)
|
|
{
|
|
remote->download_tags = value;
|
|
}
|