fast-export: avoid importing blob marks
[gitweb.git] / run-command.c
index 9c5a564ece033e8584be14c640f6a9995ecd1cff..3b982e4d55274ebe87c5751fa198bee53e371d9b 100644 (file)
@@ -4,6 +4,10 @@
 #include "sigchain.h"
 #include "argv-array.h"
 
+#ifndef SHELL_PATH
+# define SHELL_PATH "/bin/sh"
+#endif
+
 struct child_to_clean {
        pid_t pid;
        struct child_to_clean *next;
@@ -49,13 +53,14 @@ static void mark_child_for_cleanup(pid_t pid)
 
 static void clear_child_for_cleanup(pid_t pid)
 {
-       struct child_to_clean **last, *p;
+       struct child_to_clean **pp;
 
-       last = &children_to_clean;
-       for (p = children_to_clean; p; p = p->next) {
-               if (p->pid == pid) {
-                       *last = p->next;
-                       free(p);
+       for (pp = &children_to_clean; *pp; pp = &(*pp)->next) {
+               struct child_to_clean *clean_me = *pp;
+
+               if (clean_me->pid == pid) {
+                       *pp = clean_me->next;
+                       free(clean_me);
                        return;
                }
        }
@@ -135,6 +140,8 @@ int sane_execvp(const char *file, char * const argv[])
         */
        if (errno == EACCES && !strchr(file, '/'))
                errno = exists_in_PATH(file) ? EACCES : ENOENT;
+       else if (errno == ENOTDIR && !strchr(file, '/'))
+               errno = ENOENT;
        return -1;
 }
 
@@ -152,7 +159,11 @@ static const char **prepare_shell_cmd(const char **argv)
                die("BUG: shell command is empty");
 
        if (strcspn(argv[0], "|&;<>()$`\\\"' \t\n*?[#~=%") != strlen(argv[0])) {
+#ifndef WIN32
+               nargv[nargc++] = SHELL_PATH;
+#else
                nargv[nargc++] = "sh";
+#endif
                nargv[nargc++] = "-c";
 
                if (argc < 2)
@@ -386,16 +397,6 @@ int start_command(struct child_process *cmd)
                                        unsetenv(*cmd->env);
                        }
                }
-               if (cmd->preexec_cb) {
-                       /*
-                        * We cannot predict what the pre-exec callback does.
-                        * Forgo parent notification.
-                        */
-                       close(child_notifier);
-                       child_notifier = -1;
-
-                       cmd->preexec_cb();
-               }
                if (cmd->git_cmd) {
                        execv_git_cmd(cmd->argv);
                } else if (cmd->use_shell) {