Merge branch 'jc/doc-gc-prune-now' into maint

diff --git a/run-command.c b/run-command.c
index 4d73e90fad159184bfdd204b82dd8637ad28a955..e09275bd9e360ee7683ef5d3753ccfe753ee8dcc 100644 (file)
--- a/run-command.c
+++ b/run-command.c
@@ -18,26 +18,27 @@ struct child_to_clean {
 static struct child_to_clean *children_to_clean;
 static int installed_child_cleanup_handler;
 
-static void cleanup_children(int sig)
+static void cleanup_children(int sig, int in_signal)
 {
        while (children_to_clean) {
                struct child_to_clean *p = children_to_clean;
                children_to_clean = p->next;
                kill(p->pid, sig);
-               free(p);
+               if (!in_signal)
+                       free(p);
        }
 }
 
 static void cleanup_children_on_signal(int sig)
 {
-       cleanup_children(sig);
+       cleanup_children(sig, 1);
        sigchain_pop(sig);
        raise(sig);
 }
 
 static void cleanup_children_on_exit(void)
 {
-       cleanup_children(SIGTERM);
+       cleanup_children(SIGTERM, 0);
 }
 
 static void mark_child_for_cleanup(pid_t pid)
@@ -200,7 +201,6 @@ static int execv_shell_cmd(const char **argv)
 #endif
 
 #ifndef GIT_WINDOWS_NATIVE
-static int child_err = 2;
 static int child_notifier = -1;
 
 static void notify_parent(void)
@@ -212,17 +212,6 @@ static void notify_parent(void)
         */
        xwrite(child_notifier, "", 1);
 }
-
-static NORETURN void die_child(const char *err, va_list params)
-{
-       vwritef(child_err, "fatal: ", err, params);
-       exit(128);
-}
-
-static void error_child(const char *err, va_list params)
-{
-       vwritef(child_err, "error: ", err, params);
-}
 #endif
 
 static inline void set_cloexec(int fd)
@@ -232,7 +221,7 @@ static inline void set_cloexec(int fd)
                fcntl(fd, F_SETFD, flags | FD_CLOEXEC);
 }
 
-static int wait_or_whine(pid_t pid, const char *argv0)
+static int wait_or_whine(pid_t pid, const char *argv0, int in_signal)
 {
        int status, code = -1;
        pid_t waiting;
@@ -240,6 +229,8 @@ static int wait_or_whine(pid_t pid, const char *argv0)
 
        while ((waiting = waitpid(pid, &status, 0)) < 0 && errno == EINTR)
                ;       /* nothing */
+       if (in_signal)
+               return 0;
 
        if (waiting < 0) {
                failed_errno = errno;
@@ -362,11 +353,10 @@ int start_command(struct child_process *cmd)
                 * in subsequent call paths use the parent's stderr.
                 */
                if (cmd->no_stderr || need_err) {
-                       child_err = dup(2);
+                       int child_err = dup(2);
                        set_cloexec(child_err);
+                       set_error_handle(fdopen(child_err, "w"));
                }
-               set_die_routine(die_child);
-               set_error_routine(error_child);
 
                close(notify_pipe[0]);
                set_cloexec(notify_pipe[1]);
@@ -450,7 +440,7 @@ int start_command(struct child_process *cmd)
                 * At this point we know that fork() succeeded, but execvp()
                 * failed. Errors have been reported to our stderr.
                 */
-               wait_or_whine(cmd->pid, cmd->argv[0]);
+               wait_or_whine(cmd->pid, cmd->argv[0], 0);
                failed_errno = errno;
                cmd->pid = -1;
        }
@@ -549,12 +539,18 @@ int start_command(struct child_process *cmd)
 
 int finish_command(struct child_process *cmd)
 {
-       int ret = wait_or_whine(cmd->pid, cmd->argv[0]);
+       int ret = wait_or_whine(cmd->pid, cmd->argv[0], 0);
        argv_array_clear(&cmd->args);
        argv_array_clear(&cmd->env_array);
        return ret;
 }
 
+int finish_command_in_signal(struct child_process *cmd)
+{
+       return wait_or_whine(cmd->pid, cmd->argv[0], 1);
+}
+
+
 int run_command(struct child_process *cmd)
 {
        int code;
@@ -785,7 +781,7 @@ int start_async(struct async *async)
 int finish_async(struct async *async)
 {
 #ifdef NO_PTHREADS
-       return wait_or_whine(async->pid, "child process");
+       return wait_or_whine(async->pid, "child process", 0);
 #else
        void *ret = (void *)(intptr_t)(-1);
 
@@ -797,11 +793,13 @@ int finish_async(struct async *async)
 
 const char *find_hook(const char *name)
 {
-       const char *path = git_path("hooks/%s", name);
-       if (access(path, X_OK) < 0)
-               path = NULL;
+       static struct strbuf path = STRBUF_INIT;
 
-       return path;
+       strbuf_reset(&path);
+       strbuf_git_path(&path, "hooks/%s", name);
+       if (access(path.buf, X_OK) < 0)
+               return NULL;
+       return path.buf;
 }
 
 int run_hook_ve(const char *const *env, const char *name, va_list args)