int run_column_filter(int colopts, const struct column_options *opts)
{
struct argv_array *argv;
if (fd_out != -1)
return -1;
memset(&column_process, 0, sizeof(column_process));
argv = &column_process.args;
argv_array_push(argv, "column");
argv_array_pushf(argv, "--raw-mode=%d", colopts);
if (opts && opts->width)
argv_array_pushf(argv, "--width=%d", opts->width);
if (opts && opts->indent)
argv_array_pushf(argv, "--indent=%s", opts->indent);
if (opts && opts->padding)
argv_array_pushf(argv, "--padding=%d", opts->padding);
fflush(stdout);
column_process.in = -1;
column_process.out = dup(1);
column_process.git_cmd = 1;
if (start_command(&column_process))
return -2;
fd_out = dup(1);
close(1);
dup2(column_process.in, 1);
close(column_process.in);
return 0;
}
static int restore_untracked(struct object_id *u_tree)
{
int res;
struct child_process cp = CHILD_PROCESS_INIT;
/*
* We need to run restore files from a given index, but without
* affecting the current index, so we use GIT_INDEX_FILE with
* run_command to fork processes that will not interfere.
*/
cp.git_cmd = 1;
argv_array_push(&cp.args, "read-tree");
argv_array_push(&cp.args, oid_to_hex(u_tree));
argv_array_pushf(&cp.env_array, "GIT_INDEX_FILE=%s",
stash_index_path.buf);
if (run_command(&cp)) {
remove_path(stash_index_path.buf);
return -1;
}
child_process_init(&cp);
cp.git_cmd = 1;
argv_array_pushl(&cp.args, "checkout-index", "--all", NULL);
argv_array_pushf(&cp.env_array, "GIT_INDEX_FILE=%s",
stash_index_path.buf);
res = run_command(&cp);
remove_path(stash_index_path.buf);
return res;
}
int try_merge_command(const char *strategy, size_t xopts_nr,
const char **xopts, struct commit_list *common,
const char *head_arg, struct commit_list *remotes)
{
struct argv_array args = ARGV_ARRAY_INIT;
int i, ret;
struct commit_list *j;
argv_array_pushf(&args, "merge-%s", strategy);
for (i = 0; i < xopts_nr; i++)
argv_array_pushf(&args, "--%s", xopts[i]);
for (j = common; j; j = j->next)
argv_array_push(&args, merge_argument(j->item));
argv_array_push(&args, "--");
argv_array_push(&args, head_arg);
for (j = remotes; j; j = j->next)
argv_array_push(&args, merge_argument(j->item));
ret = run_command_v_opt(args.argv, RUN_GIT_CMD);
argv_array_clear(&args);
discard_cache();
if (read_cache() < 0)
die(_("failed to read the cache"));
resolve_undo_clear();
return ret;
}
static int stash_patch(struct stash_info *info, struct pathspec ps,
struct strbuf *out_patch, int quiet)
{
int ret = 0;
struct child_process cp_read_tree = CHILD_PROCESS_INIT;
struct child_process cp_add_i = CHILD_PROCESS_INIT;
struct child_process cp_diff_tree = CHILD_PROCESS_INIT;
struct index_state istate = { NULL };
remove_path(stash_index_path.buf);
cp_read_tree.git_cmd = 1;
argv_array_pushl(&cp_read_tree.args, "read-tree", "HEAD", NULL);
argv_array_pushf(&cp_read_tree.env_array, "GIT_INDEX_FILE=%s",
stash_index_path.buf);
if (run_command(&cp_read_tree)) {
ret = -1;
goto done;
}
/* Find out what the user wants. */
cp_add_i.git_cmd = 1;
argv_array_pushl(&cp_add_i.args, "add--interactive", "--patch=stash",
"--", NULL);
add_pathspecs(&cp_add_i.args, ps);
argv_array_pushf(&cp_add_i.env_array, "GIT_INDEX_FILE=%s",
stash_index_path.buf);
if (run_command(&cp_add_i)) {
ret = -1;
goto done;
}
/* State of the working tree. */
if (write_index_as_tree(&info->w_tree, &istate, stash_index_path.buf, 0,
NULL)) {
ret = -1;
goto done;
}
cp_diff_tree.git_cmd = 1;
argv_array_pushl(&cp_diff_tree.args, "diff-tree", "-p", "HEAD",
oid_to_hex(&info->w_tree), "--", NULL);
if (pipe_command(&cp_diff_tree, NULL, 0, out_patch, 0, NULL, 0)) {
ret = -1;
goto done;
}
if (!out_patch->len) {
if (!quiet)
fprintf_ln(stderr, _("No changes selected"));
ret = 1;
}
done:
discard_index(&istate);
remove_path(stash_index_path.buf);
return ret;
}
/*
* If we are cherry-pick, and if the merge did not result in
* hand-editing, we will hit this commit and inherit the original
* author date and name.
* If we are revert, or if our cherry-pick results in a hand merge,
* we had better say that the current user is responsible for that.
*/
static int run_git_commit(const char *defmsg, struct replay_opts *opts,
int allow_empty)
{
struct argv_array array;
int rc;
const char *value;
argv_array_init(&array);
argv_array_push(&array, "commit");
argv_array_push(&array, "-n");
if (opts->gpg_sign)
argv_array_pushf(&array, "-S%s", opts->gpg_sign);
if (opts->signoff)
argv_array_push(&array, "-s");
if (!opts->edit) {
argv_array_push(&array, "-F");
argv_array_push(&array, defmsg);
if (!opts->signoff &&
!opts->record_origin &&
git_config_get_value("commit.cleanup", &value))
argv_array_push(&array, "--cleanup=verbatim");
}
if (allow_empty)
argv_array_push(&array, "--allow-empty");
if (opts->allow_empty_message)
argv_array_push(&array, "--allow-empty-message");
rc = run_command_v_opt(array.argv, RUN_GIT_CMD);
argv_array_clear(&array);
return rc;
}
static int upload_pack(void)
{
struct child_process cld = CHILD_PROCESS_INIT;
argv_array_pushl(&cld.args, "upload-pack", "--strict", NULL);
argv_array_pushf(&cld.args, "--timeout=%u", timeout);
return run_service_command(&cld);
}
static void read_alternate_refs(const char *path,
alternate_ref_fn *cb,
void *data)
{
struct child_process cmd = CHILD_PROCESS_INIT;
struct strbuf line = STRBUF_INIT;
FILE *fh;
cmd.git_cmd = 1;
argv_array_pushf(&cmd.args, "--git-dir=%s", path);
argv_array_push(&cmd.args, "for-each-ref");
argv_array_push(&cmd.args, "--format=%(objectname) %(refname)");
cmd.env = local_repo_env;
cmd.out = -1;
if (start_command(&cmd))
return;
fh = xfdopen(cmd.out, "r");
while (strbuf_getline_lf(&line, fh) != EOF) {
struct object_id oid;
if (get_oid_hex(line.buf, &oid) ||
line.buf[GIT_SHA1_HEXSZ] != ' ') {
warning("invalid line while parsing alternate refs: %s",
line.buf);
break;
}
cb(line.buf + GIT_SHA1_HEXSZ + 1, &oid, data);
}
fclose(fh);
finish_command(&cmd);
}
static int stash_working_tree(struct stash_info *info, struct pathspec ps)
{
int ret = 0;
struct rev_info rev;
struct child_process cp_upd_index = CHILD_PROCESS_INIT;
struct strbuf diff_output = STRBUF_INIT;
struct index_state istate = { NULL };
init_revisions(&rev, NULL);
set_alternate_index_output(stash_index_path.buf);
if (reset_tree(&info->i_tree, 0, 0)) {
ret = -1;
goto done;
}
set_alternate_index_output(NULL);
rev.prune_data = ps;
rev.diffopt.output_format = DIFF_FORMAT_CALLBACK;
rev.diffopt.format_callback = add_diff_to_buf;
rev.diffopt.format_callback_data = &diff_output;
if (read_cache_preload(&rev.diffopt.pathspec) < 0) {
ret = -1;
goto done;
}
add_pending_object(&rev, parse_object(the_repository, &info->b_commit),
"");
if (run_diff_index(&rev, 0)) {
ret = -1;
goto done;
}
cp_upd_index.git_cmd = 1;
argv_array_pushl(&cp_upd_index.args, "update-index", "-z", "--add",
"--remove", "--stdin", NULL);
argv_array_pushf(&cp_upd_index.env_array, "GIT_INDEX_FILE=%s",
stash_index_path.buf);
if (pipe_command(&cp_upd_index, diff_output.buf, diff_output.len,
NULL, 0, NULL, 0)) {
ret = -1;
goto done;
}
if (write_index_as_tree(&info->w_tree, &istate, stash_index_path.buf, 0,
NULL)) {
ret = -1;
goto done;
}
done:
discard_index(&istate);
UNLEAK(rev);
object_array_clear(&rev.pending);
strbuf_release(&diff_output);
remove_path(stash_index_path.buf);
return ret;
}
/*
* If we are cherry-pick, and if the merge did not result in
* hand-editing, we will hit this commit and inherit the original
* author date and name.
* If we are revert, or if our cherry-pick results in a hand merge,
* we had better say that the current user is responsible for that.
*/
static int run_git_commit(const char *defmsg, struct replay_opts *opts,
int allow_empty)
{
struct argv_array array;
int rc;
argv_array_init(&array);
argv_array_push(&array, "commit");
argv_array_push(&array, "-n");
if (opts->gpg_sign)
argv_array_pushf(&array, "-S%s", opts->gpg_sign);
if (opts->signoff)
argv_array_push(&array, "-s");
if (!opts->edit) {
argv_array_push(&array, "-F");
argv_array_push(&array, defmsg);
}
if (allow_empty)
argv_array_push(&array, "--allow-empty");
if (opts->allow_empty_message)
argv_array_push(&array, "--allow-empty-message");
rc = run_command_v_opt(array.argv, RUN_GIT_CMD);
argv_array_clear(&array);
return rc;
}
static void fill_alternate_refs_command(struct child_process *cmd,
const char *repo_path)
{
const char *value;
if (!git_config_get_value("core.alternateRefsCommand", &value)) {
cmd->use_shell = 1;
argv_array_push(&cmd->args, value);
argv_array_push(&cmd->args, repo_path);
} else {
cmd->git_cmd = 1;
argv_array_pushf(&cmd->args, "--git-dir=%s", repo_path);
argv_array_push(&cmd->args, "for-each-ref");
argv_array_push(&cmd->args, "--format=%(objectname)");
if (!git_config_get_value("core.alternateRefsPrefixes", &value)) {
argv_array_push(&cmd->args, "--");
argv_array_split(&cmd->args, value);
}
}
cmd->env = local_repo_env;
cmd->out = -1;
}
void refspec_ref_prefixes(const struct refspec *rs,
struct argv_array *ref_prefixes)
{
int i;
for (i = 0; i < rs->nr; i++) {
const struct refspec_item *item = &rs->items[i];
const char *prefix = NULL;
if (item->exact_sha1)
continue;
if (rs->fetch == REFSPEC_FETCH)
prefix = item->src;
else if (item->dst)
prefix = item->dst;
else if (item->src && !item->exact_sha1)
prefix = item->src;
if (prefix) {
if (item->pattern) {
const char *glob = strchr(prefix, '*');
argv_array_pushf(ref_prefixes, "%.*s",
(int)(glob - prefix),
prefix);
} else {
expand_ref_prefix(ref_prefixes, prefix);
}
}
}
}
static void execv_dashed_external(const char **argv)
{
struct child_process cmd = CHILD_PROCESS_INIT;
int status;
if (get_super_prefix())
die("%s doesn't support --super-prefix", argv[0]);
if (use_pager == -1 && !is_builtin(argv[0]))
use_pager = check_pager_config(argv[0]);
commit_pager_choice();
argv_array_pushf(&cmd.args, "git-%s", argv[0]);
argv_array_pushv(&cmd.args, argv + 1);
cmd.clean_on_exit = 1;
cmd.wait_after_clean = 1;
cmd.silent_exec_failure = 1;
trace_argv_printf(cmd.args.argv, "trace: exec:");
/*
* If we fail because the command is not found, it is
* OK to return. Otherwise, we just pass along the status code,
* or our usual generic code if we were not even able to exec
* the program.
*/
status = run_command(&cmd);
if (status >= 0)
exit(status);
else if (errno != ENOENT)
exit(128);
}
static void run_service(const char **argv, int buffer_input)
{
const char *encoding = getenv("HTTP_CONTENT_ENCODING");
const char *user = getenv("REMOTE_USER");
const char *host = getenv("REMOTE_ADDR");
int gzipped_request = 0;
struct child_process cld = CHILD_PROCESS_INIT;
ssize_t req_len = get_content_length();
if (encoding && !strcmp(encoding, "gzip"))
gzipped_request = 1;
else if (encoding && !strcmp(encoding, "x-gzip"))
gzipped_request = 1;
if (!user || !*user)
user = "******";
if (!host || !*host)
host = "(none)";
if (!getenv("GIT_COMMITTER_NAME"))
argv_array_pushf(&cld.env_array, "GIT_COMMITTER_NAME=%s", user);
if (!getenv("GIT_COMMITTER_EMAIL"))
argv_array_pushf(&cld.env_array,
"GIT_COMMITTER_EMAIL=%s@http.%s", user, host);
cld.argv = argv;
if (buffer_input || gzipped_request || req_len >= 0)
cld.in = -1;
cld.git_cmd = 1;
cld.clean_on_exit = 1;
cld.wait_after_clean = 1;
if (start_command(&cld))
exit(1);
close(1);
if (gzipped_request)
inflate_request(argv[0], cld.in, buffer_input, req_len);
else if (buffer_input)
copy_request(argv[0], cld.in, req_len);
else if (req_len >= 0)
pipe_fixed_length(argv[0], cld.in, req_len);
else
close(0);
if (finish_command(&cld))
exit(1);
}
/*
* Append the appropriate environment variables to `env` and options to
* `args` for running ssh in Git's SSH-tunneled transport.
*/
static void push_ssh_options(struct argv_array *args, struct argv_array *env,
enum ssh_variant variant, const char *port,
int flags)
{
if (variant == VARIANT_SSH &&
get_protocol_version_config() > 0) {
argv_array_push(args, "-o");
argv_array_push(args, "SendEnv=" GIT_PROTOCOL_ENVIRONMENT);
argv_array_pushf(env, GIT_PROTOCOL_ENVIRONMENT "=version=%d",
get_protocol_version_config());
}
if (flags & CONNECT_IPV4) {
switch (variant) {
case VARIANT_AUTO:
BUG("VARIANT_AUTO passed to push_ssh_options");
case VARIANT_SIMPLE:
die("ssh variant 'simple' does not support -4");
case VARIANT_SSH:
case VARIANT_PLINK:
case VARIANT_PUTTY:
case VARIANT_TORTOISEPLINK:
argv_array_push(args, "-4");
}
} else if (flags & CONNECT_IPV6) {
switch (variant) {
case VARIANT_AUTO:
BUG("VARIANT_AUTO passed to push_ssh_options");
case VARIANT_SIMPLE:
die("ssh variant 'simple' does not support -6");
case VARIANT_SSH:
case VARIANT_PLINK:
case VARIANT_PUTTY:
case VARIANT_TORTOISEPLINK:
argv_array_push(args, "-6");
}
}
if (variant == VARIANT_TORTOISEPLINK)
argv_array_push(args, "-batch");
if (port) {
switch (variant) {
case VARIANT_AUTO:
BUG("VARIANT_AUTO passed to push_ssh_options");
case VARIANT_SIMPLE:
die("ssh variant 'simple' does not support setting port");
case VARIANT_SSH:
argv_array_push(args, "-p");
break;
case VARIANT_PLINK:
case VARIANT_PUTTY:
case VARIANT_TORTOISEPLINK:
argv_array_push(args, "-P");
}
argv_array_push(args, port);
}
}
static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitted)
{
struct child_process sm_summary = CHILD_PROCESS_INIT;
struct strbuf cmd_stdout = STRBUF_INIT;
struct strbuf summary = STRBUF_INIT;
char *summary_content;
argv_array_pushf(&sm_summary.env_array, "GIT_INDEX_FILE=%s",
s->index_file);
argv_array_push(&sm_summary.args, "submodule");
argv_array_push(&sm_summary.args, "summary");
argv_array_push(&sm_summary.args, uncommitted ? "--files" : "--cached");
argv_array_push(&sm_summary.args, "--for-status");
argv_array_push(&sm_summary.args, "--summary-limit");
argv_array_pushf(&sm_summary.args, "%d", s->submodule_summary);
if (!uncommitted)
argv_array_push(&sm_summary.args, s->amend ? "HEAD^" : "HEAD");
sm_summary.git_cmd = 1;
sm_summary.no_stdin = 1;
capture_command(&sm_summary, &cmd_stdout, 1024);
/* prepend header, only if there's an actual output */
if (cmd_stdout.len) {
if (uncommitted)
strbuf_addstr(&summary, _("Submodules changed but not updated:"));
else
strbuf_addstr(&summary, _("Submodule changes to be committed:"));
strbuf_addstr(&summary, "\n\n");
}
strbuf_addbuf(&summary, &cmd_stdout);
strbuf_release(&cmd_stdout);
if (s->display_comment_prefix) {
size_t len;
summary_content = strbuf_detach(&summary, &len);
strbuf_add_commented_lines(&summary, summary_content, len);
free(summary_content);
}
fputs(summary.buf, s->fp);
strbuf_release(&summary);
}
static void run_service(const char **argv)
{
const char *encoding = getenv("HTTP_CONTENT_ENCODING");
const char *user = getenv("REMOTE_USER");
const char *host = getenv("REMOTE_ADDR");
struct argv_array env = ARGV_ARRAY_INIT;
int gzipped_request = 0;
struct child_process cld;
if (encoding && !strcmp(encoding, "gzip"))
gzipped_request = 1;
else if (encoding && !strcmp(encoding, "x-gzip"))
gzipped_request = 1;
if (!user || !*user)
user = "******";
if (!host || !*host)
host = "(none)";
if (!getenv("GIT_COMMITTER_NAME"))
argv_array_pushf(&env, "GIT_COMMITTER_NAME=%s", user);
if (!getenv("GIT_COMMITTER_EMAIL"))
argv_array_pushf(&env, "GIT_COMMITTER_EMAIL=%s@http.%s",
user, host);
memset(&cld, 0, sizeof(cld));
cld.argv = argv;
cld.env = env.argv;
if (gzipped_request)
cld.in = -1;
cld.git_cmd = 1;
if (start_command(&cld))
exit(1);
close(1);
if (gzipped_request)
inflate_request(argv[0], cld.in);
else
close(0);
if (finish_command(&cld))
exit(1);
argv_array_clear(&env);
}
static void add_repack_all_option(void)
{
if (prune_expire && !strcmp(prune_expire, "now"))
argv_array_push(&repack, "-a");
else {
argv_array_push(&repack, "-A");
if (prune_expire)
argv_array_pushf(&repack, "--unpack-unreachable=%s", prune_expire);
}
}
static void prepare_push_cert_sha1(struct child_process *proc)
{
static int already_done;
if (!push_cert.len)
return;
if (!already_done) {
struct strbuf gpg_output = STRBUF_INIT;
struct strbuf gpg_status = STRBUF_INIT;
int bogs /* beginning_of_gpg_sig */;
already_done = 1;
if (write_sha1_file(push_cert.buf, push_cert.len, "blob", push_cert_sha1))
hashclr(push_cert_sha1);
memset(&sigcheck, '\0', sizeof(sigcheck));
sigcheck.result = 'N';
bogs = parse_signature(push_cert.buf, push_cert.len);
if (verify_signed_buffer(push_cert.buf, bogs,
push_cert.buf + bogs, push_cert.len - bogs,
&gpg_output, &gpg_status) < 0) {
; /* error running gpg */
} else {
sigcheck.payload = push_cert.buf;
sigcheck.gpg_output = gpg_output.buf;
sigcheck.gpg_status = gpg_status.buf;
parse_gpg_output(&sigcheck);
}
strbuf_release(&gpg_output);
strbuf_release(&gpg_status);
nonce_status = check_nonce(push_cert.buf, bogs);
}
if (!is_null_sha1(push_cert_sha1)) {
argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT=%s",
sha1_to_hex(push_cert_sha1));
argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT_SIGNER=%s",
sigcheck.signer ? sigcheck.signer : "");
argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT_KEY=%s",
sigcheck.key ? sigcheck.key : "");
argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT_STATUS=%c",
sigcheck.result);
if (push_cert_nonce) {
argv_array_pushf(&proc->env_array,
"GIT_PUSH_CERT_NONCE=%s",
push_cert_nonce);
argv_array_pushf(&proc->env_array,
"GIT_PUSH_CERT_NONCE_STATUS=%s",
nonce_status);
if (nonce_status == NONCE_SLOP)
argv_array_pushf(&proc->env_array,
"GIT_PUSH_CERT_NONCE_SLOP=%ld",
nonce_stamp_slop);
}
}
}
static void handle(int incoming, struct sockaddr *addr, socklen_t addrlen)
{
struct child_process cld = CHILD_PROCESS_INIT;
if (max_connections && live_children >= max_connections) {
kill_some_child();
sleep(1); /* give it some time to die */
check_dead_children();
if (live_children >= max_connections) {
close(incoming);
logerror("Too many children, dropping connection");
return;
}
}
if (addr->sa_family == AF_INET) {
char buf[128] = "";
struct sockaddr_in *sin_addr = (void *) addr;
inet_ntop(addr->sa_family, &sin_addr->sin_addr, buf, sizeof(buf));
argv_array_pushf(&cld.env_array, "REMOTE_ADDR=%s", buf);
argv_array_pushf(&cld.env_array, "REMOTE_PORT=%d",
ntohs(sin_addr->sin_port));
#ifndef NO_IPV6
} else if (addr->sa_family == AF_INET6) {
char buf[128] = "";
struct sockaddr_in6 *sin6_addr = (void *) addr;
inet_ntop(AF_INET6, &sin6_addr->sin6_addr, buf, sizeof(buf));
argv_array_pushf(&cld.env_array, "REMOTE_ADDR=[%s]", buf);
argv_array_pushf(&cld.env_array, "REMOTE_PORT=%d",
ntohs(sin6_addr->sin6_port));
#endif
}
cld.argv = cld_argv.argv;
cld.in = incoming;
cld.out = dup(incoming);
if (start_command(&cld))
logerror("unable to fork");
else
add_child(&cld, addr, addrlen);
}
static const char *push_to_checkout(unsigned char *sha1,
struct argv_array *env,
const char *work_tree)
{
argv_array_pushf(env, "GIT_WORK_TREE=%s", absolute_path(work_tree));
if (run_hook_le(env->argv, push_to_checkout_hook,
sha1_to_hex(sha1), NULL))
return "push-to-checkout hook declined";
else
return NULL;
}
/*
* If we are cherry-pick, and if the merge did not result in
* hand-editing, we will hit this commit and inherit the original
* author date and name.
*
* If we are revert, or if our cherry-pick results in a hand merge,
* we had better say that the current user is responsible for that.
*
* An exception is when run_git_commit() is called during an
* interactive rebase: in that case, we will want to retain the
* author metadata.
*/
static int run_git_commit(const char *defmsg, struct replay_opts *opts,
int allow_empty, int edit, int amend,
int cleanup_commit_message)
{
char **env = NULL;
struct argv_array array;
int rc;
const char *value;
if (is_rebase_i(opts)) {
env = read_author_script();
if (!env) {
const char *gpg_opt = gpg_sign_opt_quoted(opts);
return error(_(staged_changes_advice),
gpg_opt, gpg_opt);
}
}
argv_array_init(&array);
argv_array_push(&array, "commit");
argv_array_push(&array, "-n");
if (amend)
argv_array_push(&array, "--amend");
if (opts->gpg_sign)
argv_array_pushf(&array, "-S%s", opts->gpg_sign);
if (opts->signoff)
argv_array_push(&array, "-s");
if (defmsg)
argv_array_pushl(&array, "-F", defmsg, NULL);
if (cleanup_commit_message)
argv_array_push(&array, "--cleanup=strip");
if (edit)
argv_array_push(&array, "-e");
else if (!cleanup_commit_message &&
!opts->signoff && !opts->record_origin &&
git_config_get_value("commit.cleanup", &value))
argv_array_push(&array, "--cleanup=verbatim");
if (allow_empty)
argv_array_push(&array, "--allow-empty");
if (opts->allow_empty_message)
argv_array_push(&array, "--allow-empty-message");
rc = run_command_v_opt_cd_env(array.argv, RUN_GIT_CMD, NULL,
(const char *const *)env);
argv_array_clear(&array);
free(env);
return rc;
}
/*
* Note, "git status --porcelain" is used to determine if it's safe to
* delete a whole worktree. "git status" does not ignore user
* configuration, so if a normal "git status" shows "clean" for the
* user, then it's ok to remove it.
*
* This assumption may be a bad one. We may want to ignore
* (potentially bad) user settings and only delete a worktree when
* it's absolutely safe to do so from _our_ point of view because we
* know better.
*/
static void check_clean_worktree(struct worktree *wt,
const char *original_path)
{
struct argv_array child_env = ARGV_ARRAY_INIT;
struct child_process cp;
char buf[1];
int ret;
/*
* Until we sort this out, all submodules are "dirty" and
* will abort this function.
*/
validate_no_submodules(wt);
argv_array_pushf(&child_env, "%s=%s/.git",
GIT_DIR_ENVIRONMENT, wt->path);
argv_array_pushf(&child_env, "%s=%s",
GIT_WORK_TREE_ENVIRONMENT, wt->path);
memset(&cp, 0, sizeof(cp));
argv_array_pushl(&cp.args, "status",
"--porcelain", "--ignore-submodules=none",
NULL);
cp.env = child_env.argv;
cp.git_cmd = 1;
cp.dir = wt->path;
cp.out = -1;
ret = start_command(&cp);
if (ret)
die_errno(_("failed to run 'git status' on '%s'"),
original_path);
ret = xread(cp.out, buf, sizeof(buf));
if (ret)
die(_("'%s' is dirty, use --force to delete it"),
original_path);
close(cp.out);
ret = finish_command(&cp);
if (ret)
die_errno(_("failed to run 'git status' on '%s', code %d"),
original_path, ret);
}
static void add_repack_all_option(struct string_list *keep_pack)
{
if (prune_expire && !strcmp(prune_expire, "now"))
argv_array_push(&repack, "-a");
else {
argv_array_push(&repack, "-A");
if (prune_expire)
argv_array_pushf(&repack, "--unpack-unreachable=%s", prune_expire);
}
if (keep_pack)
for_each_string_list(keep_pack, keep_one_pack, NULL);
}
static int push_git(struct discovery *heads, int nr_spec, char **specs)
{
struct rpc_state rpc;
int i, err;
struct argv_array args;
struct string_list_item *cas_option;
struct strbuf preamble = STRBUF_INIT;
argv_array_init(&args);
argv_array_pushl(&args, "send-pack", "--stateless-rpc", "--helper-status",
NULL);
if (options.thin)
argv_array_push(&args, "--thin");
if (options.dry_run)
argv_array_push(&args, "--dry-run");
if (options.push_cert == SEND_PACK_PUSH_CERT_ALWAYS)
argv_array_push(&args, "--signed=yes");
else if (options.push_cert == SEND_PACK_PUSH_CERT_IF_ASKED)
argv_array_push(&args, "--signed=if-asked");
if (options.verbosity == 0)
argv_array_push(&args, "--quiet");
else if (options.verbosity > 1)
argv_array_push(&args, "--verbose");
for (i = 0; i < options.push_options.nr; i++)
argv_array_pushf(&args, "--push-option=%s",
options.push_options.items[i].string);
argv_array_push(&args, options.progress ? "--progress" : "--no-progress");
for_each_string_list_item(cas_option, &cas_options)
argv_array_push(&args, cas_option->string);
argv_array_push(&args, url.buf);
argv_array_push(&args, "--stdin");
for (i = 0; i < nr_spec; i++)
packet_buf_write(&preamble, "%s\n", specs[i]);
packet_buf_flush(&preamble);
memset(&rpc, 0, sizeof(rpc));
rpc.service_name = "git-receive-pack",
rpc.argv = args.argv;
rpc.stdin_preamble = &preamble;
err = rpc_service(&rpc, heads);
if (rpc.result.len)
write_or_die(1, rpc.result.buf, rpc.result.len);
strbuf_release(&rpc.result);
strbuf_release(&preamble);
argv_array_clear(&args);
return err;
}
static void bisect_rev_setup(struct rev_info *revs, const char *prefix,
const char *bad_format, const char *good_format,
int read_paths)
{
struct argv_array rev_argv = ARGV_ARRAY_INIT;
int i;
init_revisions(revs, prefix);
revs->abbrev = 0;
revs->commit_format = CMIT_FMT_UNSPECIFIED;
/* rev_argv.argv[0] will be ignored by setup_revisions */
argv_array_push(&rev_argv, "bisect_rev_setup");
argv_array_pushf(&rev_argv, bad_format, oid_to_hex(current_bad_oid));
for (i = 0; i < good_revs.nr; i++)
argv_array_pushf(&rev_argv, good_format,
sha1_to_hex(good_revs.sha1[i]));
argv_array_push(&rev_argv, "--");
if (read_paths)
read_bisect_paths(&rev_argv);
setup_revisions(rev_argv.argc, rev_argv.argv, revs, NULL);
/* XXX leak rev_argv, as "revs" may still be pointing to it */
}
static int diff_tree_binary(struct strbuf *out, struct object_id *w_commit)
{
struct child_process cp = CHILD_PROCESS_INIT;
const char *w_commit_hex = oid_to_hex(w_commit);
/*
* Diff-tree would not be very hard to replace with a native function,
* however it should be done together with apply_cached.
*/
cp.git_cmd = 1;
argv_array_pushl(&cp.args, "diff-tree", "--binary", NULL);
argv_array_pushf(&cp.args, "%s^2^..%s^2", w_commit_hex, w_commit_hex);
return pipe_command(&cp, NULL, 0, out, 0, NULL, 0);
}
/* Returns 1 if a shallow list is sent or 0 otherwise */
static int send_shallow_list(int depth, int deepen_rev_list,
timestamp_t deepen_since,
struct string_list *deepen_not,
struct object_array *shallows)
{
int ret = 0;
if (depth > 0 && deepen_rev_list)
die("git upload-pack: deepen and deepen-since (or deepen-not) cannot be used together");
if (depth > 0) {
deepen(depth, deepen_relative, shallows);
ret = 1;
} else if (deepen_rev_list) {
struct argv_array av = ARGV_ARRAY_INIT;
int i;
argv_array_push(&av, "rev-list");
if (deepen_since)
argv_array_pushf(&av, "--max-age=%"PRItime, deepen_since);
if (deepen_not->nr) {
argv_array_push(&av, "--not");
for (i = 0; i < deepen_not->nr; i++) {
struct string_list_item *s = deepen_not->items + i;
argv_array_push(&av, s->string);
}
argv_array_push(&av, "--not");
}
for (i = 0; i < want_obj.nr; i++) {
struct object *o = want_obj.objects[i].item;
argv_array_push(&av, oid_to_hex(&o->oid));
}
deepen_by_rev_list(av.argc, av.argv, shallows);
argv_array_clear(&av);
ret = 1;
} else {
if (shallows->nr > 0) {
int i;
for (i = 0; i < shallows->nr; i++)
register_shallow(the_repository,
&shallows->objects[i].item->oid);
}
}
shallow_nr += shallows->nr;
return ret;
}
static void prepare_submodule_repo_env(struct argv_array *out)
{
const char * const *var;
for (var = local_repo_env; *var; var++) {
if (!strcmp(*var, CONFIG_DATA_ENVIRONMENT)) {
struct strbuf sanitized_config = STRBUF_INIT;
git_config_from_parameters(sanitize_submodule_config,
&sanitized_config);
argv_array_pushf(out, "%s=%s", *var, sanitized_config.buf);
strbuf_release(&sanitized_config);
} else {
argv_array_push(out, *var);
}
}
}
static int fetch_objs_via_rsync(struct transport *transport,
int nr_objs, struct ref **to_fetch)
{
struct child_process rsync = CHILD_PROCESS_INIT;
rsync.stdout_to_stderr = 1;
argv_array_push(&rsync.args, "rsync");
argv_array_push(&rsync.args, (transport->verbose > 1) ? "-rv" : "-r");
argv_array_push(&rsync.args, "--ignore-existing");
argv_array_push(&rsync.args, "--exclude");
argv_array_push(&rsync.args, "info");
argv_array_pushf(&rsync.args, "%s/objects/", rsync_url(transport->url));
argv_array_push(&rsync.args, get_object_directory());
/* NEEDSWORK: handle one level of alternates */
return run_command(&rsync);
}
static const char *update_worktree(unsigned char *sha1)
{
const char *retval;
const char *work_tree = git_work_tree_cfg ? git_work_tree_cfg : "..";
struct argv_array env = ARGV_ARRAY_INIT;
if (is_bare_repository())
return "denyCurrentBranch = updateInstead needs a worktree";
argv_array_pushf(&env, "GIT_DIR=%s", absolute_path(get_git_dir()));
if (!find_hook(push_to_checkout_hook))
retval = push_to_deploy(sha1, &env, work_tree);
else
retval = push_to_checkout(sha1, &env, work_tree);
argv_array_clear(&env);
return retval;
}
