parseopt: wrap rev-parse --parseopt usage for eval consumption

diff --git a/run-command.h b/run-command.h
index 0c00b25ff2ea8710a1d963619d633a9be1a6f626..94619f52d95888b320664b7f19db3eeb7d6d8cca 100644 (file)
--- a/run-command.h
+++ b/run-command.h
@@ -18,7 +18,7 @@ struct child_process {
         * - Specify > 0 to set a channel to a particular FD as follows:
         *     .in: a readable FD, becomes child's stdin
         *     .out: a writable FD, becomes child's stdout/stderr
-        *     .err > 0 not supported
+        *     .err: a writable FD, becomes child's stderr
         *   The specified FD is closed by start_command(), even in case
         *   of errors!
         */
@@ -33,6 +33,7 @@ struct child_process {
        unsigned git_cmd:1; /* if this is to be git sub-command */
        unsigned silent_exec_failure:1;
        unsigned stdout_to_stderr:1;
+       unsigned use_shell:1;
        void (*preexec_cb)(void);
 };
 
@@ -46,6 +47,7 @@ extern int run_hook(const char *index_file, const char *name, ...);
 #define RUN_GIT_CMD         2  /*If this is to be git sub-command */
 #define RUN_COMMAND_STDOUT_TO_STDERR 4
 #define RUN_SILENT_EXEC_FAILURE 8
+#define RUN_USING_SHELL 16
 int run_command_v_opt(const char **argv, int opt);
 
 /*
@@ -64,17 +66,20 @@ int run_command_v_opt_cd_env(const char **argv, int opt, const char *dir, const
  */
 struct async {
        /*
-        * proc writes to fd and closes it;
+        * proc reads from in; closes it before return
+        * proc writes to out; closes it before return
         * returns 0 on success, non-zero on failure
         */
-       int (*proc)(int fd, void *data);
+       int (*proc)(int in, int out, void *data);
        void *data;
+       int in;         /* caller writes here and closes it */
        int out;        /* caller reads from here and closes it */
-#ifndef __MINGW32__
+#ifndef WIN32
        pid_t pid;
 #else
        HANDLE tid;
-       int fd_for_proc;
+       int proc_in;
+       int proc_out;
 #endif
 };