#include "strbuf.h"
#include "string-list.h"
#include "dir.h"
+#include "worktree.h"
static int get_st_mode_bits(const char *path, int *mode)
{
* definite
* definition
*
- * The trie would look look like:
+ * The trie would look like:
* root: len = 0, children a and d non-NULL, value = NULL.
* a: len = 2, contents = bc, value = (data for "abc")
* d: len = 2, contents = ef, children i non-NULL, value = (data for "def")
get_index_file(), strlen(get_index_file()));
else if (git_db_env && dir_prefix(base, "objects"))
replace_dir(buf, git_dir_len + 7, get_object_directory());
+ else if (git_hooks_path && dir_prefix(base, "hooks"))
+ replace_dir(buf, git_dir_len + 5, git_hooks_path);
else if (git_common_dir_env)
update_common_dir(buf, git_dir_len, NULL);
}
-static void do_git_path(struct strbuf *buf, const char *fmt, va_list args)
+static void do_git_path(const struct worktree *wt, struct strbuf *buf,
+ const char *fmt, va_list args)
{
int gitdir_len;
- strbuf_addstr(buf, get_git_dir());
+ strbuf_addstr(buf, get_worktree_git_dir(wt));
if (buf->len && !is_dir_sep(buf->buf[buf->len - 1]))
strbuf_addch(buf, '/');
gitdir_len = buf->len;
va_list args;
strbuf_reset(buf);
va_start(args, fmt);
- do_git_path(buf, fmt, args);
+ do_git_path(NULL, buf, fmt, args);
va_end(args);
return buf->buf;
}
{
va_list args;
va_start(args, fmt);
- do_git_path(sb, fmt, args);
+ do_git_path(NULL, sb, fmt, args);
va_end(args);
}
struct strbuf *pathname = get_pathname();
va_list args;
va_start(args, fmt);
- do_git_path(pathname, fmt, args);
+ do_git_path(NULL, pathname, fmt, args);
va_end(args);
return pathname->buf;
}
struct strbuf path = STRBUF_INIT;
va_list args;
va_start(args, fmt);
- do_git_path(&path, fmt, args);
+ do_git_path(NULL, &path, fmt, args);
va_end(args);
return strbuf_detach(&path, NULL);
}
return cleanup_path(pathname->buf);
}
+const char *worktree_git_path(const struct worktree *wt, const char *fmt, ...)
+{
+ struct strbuf *pathname = get_pathname();
+ va_list args;
+ va_start(args, fmt);
+ do_git_path(wt, pathname, fmt, args);
+ va_end(args);
+ return pathname->buf;
+}
+
static void do_submodule_path(struct strbuf *buf, const char *path,
const char *fmt, va_list args)
{
strbuf_addstr(buf, git_dir);
}
strbuf_addch(buf, '/');
- strbuf_addstr(&git_submodule_dir, buf->buf);
+ strbuf_addbuf(&git_submodule_dir, buf);
strbuf_vaddf(buf, fmt, args);
va_end(args);
}
+static void do_git_common_path(struct strbuf *buf,
+ const char *fmt,
+ va_list args)
+{
+ strbuf_addstr(buf, get_git_common_dir());
+ if (buf->len && !is_dir_sep(buf->buf[buf->len - 1]))
+ strbuf_addch(buf, '/');
+ strbuf_vaddf(buf, fmt, args);
+ strbuf_cleanup_path(buf);
+}
+
+const char *git_common_path(const char *fmt, ...)
+{
+ struct strbuf *pathname = get_pathname();
+ va_list args;
+ va_start(args, fmt);
+ do_git_common_path(pathname, fmt, args);
+ va_end(args);
+ return pathname->buf;
+}
+
+void strbuf_git_common_path(struct strbuf *sb, const char *fmt, ...)
+{
+ va_list args;
+ va_start(args, fmt);
+ do_git_common_path(sb, fmt, args);
+ va_end(args);
+}
+
int validate_headref(const char *path)
{
struct stat st;
{
int tweak;
- if (shared_repository < 0)
- tweak = -shared_repository;
+ if (get_shared_repository() < 0)
+ tweak = -get_shared_repository();
else
- tweak = shared_repository;
+ tweak = get_shared_repository();
if (!(mode & S_IWUSR))
tweak &= ~0222;
if (mode & S_IXUSR)
/* Copy read bits to execute bits */
tweak |= (tweak & 0444) >> 2;
- if (shared_repository < 0)
+ if (get_shared_repository() < 0)
mode = (mode & ~0777) | tweak;
else
mode |= tweak;
{
int old_mode, new_mode;
- if (!shared_repository)
+ if (!get_shared_repository())
return 0;
if (get_st_mode_bits(path, &old_mode) < 0)
return -1;
if (waiting < 0) {
failed_errno = errno;
- error("waitpid for %s failed: %s", argv0, strerror(errno));
+ error_errno("waitpid for %s failed", argv0);
} else if (waiting != pid) {
error("waitpid is confused (%s)", argv0);
} else if (WIFSIGNALED(status)) {
}
}
if (cmd->pid < 0)
- error("cannot fork() for %s: %s", cmd->argv[0],
- strerror(errno));
+ error_errno("cannot fork() for %s", cmd->argv[0]);
else if (cmd->clean_on_exit)
mark_child_for_cleanup(cmd->pid);
cmd->dir, fhin, fhout, fherr);
failed_errno = errno;
if (cmd->pid < 0 && (!cmd->silent_exec_failure || errno != ENOENT))
- error("cannot spawn %s: %s", cmd->argv[0], strerror(errno));
+ error_errno("cannot spawn %s", cmd->argv[0]);
if (cmd->clean_on_exit && cmd->pid >= 0)
mark_child_for_cleanup(cmd->pid);
struct async *async = data;
intptr_t ret;
+ if (async->isolate_sigpipe) {
+ sigset_t mask;
+ sigemptyset(&mask);
+ sigaddset(&mask, SIGPIPE);
+ if (pthread_sigmask(SIG_BLOCK, &mask, NULL) < 0) {
+ ret = error("unable to block SIGPIPE in async thread");
+ return (void *)ret;
+ }
+ }
+
pthread_setspecific(async_key, async);
ret = async->proc(async->proc_in, async->proc_out, async->data);
return (void *)ret;
if (pipe(fdin) < 0) {
if (async->out > 0)
close(async->out);
- return error("cannot create pipe: %s", strerror(errno));
+ return error_errno("cannot create pipe");
}
async->in = fdin[1];
}
close_pair(fdin);
else if (async->in)
close(async->in);
- return error("cannot create pipe: %s", strerror(errno));
+ return error_errno("cannot create pipe");
}
async->out = fdout[0];
}
async->pid = fork();
if (async->pid < 0) {
- error("fork (async) failed: %s", strerror(errno));
+ error_errno("fork (async) failed");
goto error;
}
if (!async->pid) {
{
int err = pthread_create(&async->tid, NULL, run_thread, async);
if (err) {
- error("cannot create thread: %s", strerror(err));
+ error_errno("cannot create thread");
goto error;
}
}
static struct strbuf path = STRBUF_INIT;
strbuf_reset(&path);
- if (git_hooks_path)
- strbuf_addf(&path, "%s/%s", git_hooks_path, name);
- else
- strbuf_git_path(&path, "hooks/%s", name);
+ strbuf_git_path(&path, "hooks/%s", name);
if (access(path.buf, X_OK) < 0)
return NULL;
return path.buf;
return ret;
}
-int capture_command(struct child_process *cmd, struct strbuf *buf, size_t hint)
+struct io_pump {
+ /* initialized by caller */
+ int fd;
+ int type; /* POLLOUT or POLLIN */
+ union {
+ struct {
+ const char *buf;
+ size_t len;
+ } out;
+ struct {
+ struct strbuf *buf;
+ size_t hint;
+ } in;
+ } u;
+
+ /* returned by pump_io */
+ int error; /* 0 for success, otherwise errno */
+
+ /* internal use */
+ struct pollfd *pfd;
+};
+
+static int pump_io_round(struct io_pump *slots, int nr, struct pollfd *pfd)
{
- cmd->out = -1;
+ int pollsize = 0;
+ int i;
+
+ for (i = 0; i < nr; i++) {
+ struct io_pump *io = &slots[i];
+ if (io->fd < 0)
+ continue;
+ pfd[pollsize].fd = io->fd;
+ pfd[pollsize].events = io->type;
+ io->pfd = &pfd[pollsize++];
+ }
+
+ if (!pollsize)
+ return 0;
+
+ if (poll(pfd, pollsize, -1) < 0) {
+ if (errno == EINTR)
+ return 1;
+ die_errno("poll failed");
+ }
+
+ for (i = 0; i < nr; i++) {
+ struct io_pump *io = &slots[i];
+
+ if (io->fd < 0)
+ continue;
+
+ if (!(io->pfd->revents & (POLLOUT|POLLIN|POLLHUP|POLLERR|POLLNVAL)))
+ continue;
+
+ if (io->type == POLLOUT) {
+ ssize_t len = xwrite(io->fd,
+ io->u.out.buf, io->u.out.len);
+ if (len < 0) {
+ io->error = errno;
+ close(io->fd);
+ io->fd = -1;
+ } else {
+ io->u.out.buf += len;
+ io->u.out.len -= len;
+ if (!io->u.out.len) {
+ close(io->fd);
+ io->fd = -1;
+ }
+ }
+ }
+
+ if (io->type == POLLIN) {
+ ssize_t len = strbuf_read_once(io->u.in.buf,
+ io->fd, io->u.in.hint);
+ if (len < 0)
+ io->error = errno;
+ if (len <= 0) {
+ close(io->fd);
+ io->fd = -1;
+ }
+ }
+ }
+
+ return 1;
+}
+
+static int pump_io(struct io_pump *slots, int nr)
+{
+ struct pollfd *pfd;
+ int i;
+
+ for (i = 0; i < nr; i++)
+ slots[i].error = 0;
+
+ ALLOC_ARRAY(pfd, nr);
+ while (pump_io_round(slots, nr, pfd))
+ ; /* nothing */
+ free(pfd);
+
+ /* There may be multiple errno values, so just pick the first. */
+ for (i = 0; i < nr; i++) {
+ if (slots[i].error) {
+ errno = slots[i].error;
+ return -1;
+ }
+ }
+ return 0;
+}
+
+
+int pipe_command(struct child_process *cmd,
+ const char *in, size_t in_len,
+ struct strbuf *out, size_t out_hint,
+ struct strbuf *err, size_t err_hint)
+{
+ struct io_pump io[3];
+ int nr = 0;
+
+ if (in)
+ cmd->in = -1;
+ if (out)
+ cmd->out = -1;
+ if (err)
+ cmd->err = -1;
+
if (start_command(cmd) < 0)
return -1;
- if (strbuf_read(buf, cmd->out, hint) < 0) {
- close(cmd->out);
+ if (in) {
+ io[nr].fd = cmd->in;
+ io[nr].type = POLLOUT;
+ io[nr].u.out.buf = in;
+ io[nr].u.out.len = in_len;
+ nr++;
+ }
+ if (out) {
+ io[nr].fd = cmd->out;
+ io[nr].type = POLLIN;
+ io[nr].u.in.buf = out;
+ io[nr].u.in.hint = out_hint;
+ nr++;
+ }
+ if (err) {
+ io[nr].fd = cmd->err;
+ io[nr].type = POLLIN;
+ io[nr].u.in.buf = err;
+ io[nr].u.in.hint = err_hint;
+ nr++;
+ }
+
+ if (pump_io(io, nr) < 0) {
finish_command(cmd); /* throw away exit code */
return -1;
}
- close(cmd->out);
return finish_command(cmd);
}
struct strbuf buffered_output; /* of finished children */
};
-static int default_start_failure(struct strbuf *err,
+static int default_start_failure(struct strbuf *out,
void *pp_cb,
void *pp_task_cb)
{
}
static int default_task_finished(int result,
- struct strbuf *err,
+ struct strbuf *out,
void *pp_cb,
void *pp_task_cb)
{
* When get_next_task added messages to the buffer in its last
* iteration, the buffered output is non empty.
*/
- fputs(pp->buffered_output.buf, stderr);
+ strbuf_write(&pp->buffered_output, stderr);
strbuf_release(&pp->buffered_output);
sigchain_pop_common();
int i = pp->output_owner;
if (pp->children[i].state == GIT_CP_WORKING &&
pp->children[i].err.len) {
- fputs(pp->children[i].err.buf, stderr);
+ strbuf_write(&pp->children[i].err, stderr);
strbuf_reset(&pp->children[i].err);
}
}
strbuf_addbuf(&pp->buffered_output, &pp->children[i].err);
strbuf_reset(&pp->children[i].err);
} else {
- fputs(pp->children[i].err.buf, stderr);
+ strbuf_write(&pp->children[i].err, stderr);
strbuf_reset(&pp->children[i].err);
/* Output all other finished child processes */
- fputs(pp->buffered_output.buf, stderr);
+ strbuf_write(&pp->buffered_output, stderr);
strbuf_reset(&pp->buffered_output);
/*