shortlog: support outputting to streams other than stdout

diff --git a/pager.c b/pager.c
index e425070528f4f9fbf0953c9056d1ea43686e176f..4bc048148e043eabf1315bbcbae8ea4c6363b330 100644 (file)
--- a/pager.c
+++ b/pager.c
@@ -11,7 +11,6 @@
  * something different on Windows.
  */
 
-static const char *pager_argv[] = { NULL, NULL };
 static struct child_process pager_process = CHILD_PROCESS_INIT;
 
 static void wait_for_pager(int in_signal)
@@ -64,6 +63,16 @@ const char *git_pager(int stdout_is_tty)
        return pager;
 }
 
+void prepare_pager_args(struct child_process *pager_process, const char *pager)
+{
+       argv_array_push(&pager_process->args, pager);
+       pager_process->use_shell = 1;
+       if (!getenv("LESS"))
+               argv_array_push(&pager_process->env_array, "LESS=FRX");
+       if (!getenv("LV"))
+               argv_array_push(&pager_process->env_array, "LV=-c");
+}
+
 void setup_pager(void)
 {
        const char *pager = git_pager(isatty(1));
@@ -80,14 +89,8 @@ void setup_pager(void)
        setenv("GIT_PAGER_IN_USE", "true", 1);
 
        /* spawn the pager */
-       pager_argv[0] = pager;
-       pager_process.use_shell = 1;
-       pager_process.argv = pager_argv;
+       prepare_pager_args(&pager_process, pager);
        pager_process.in = -1;
-       if (!getenv("LESS"))
-               argv_array_push(&pager_process.env_array, "LESS=FRX");
-       if (!getenv("LV"))
-               argv_array_push(&pager_process.env_array, "LV=-c");
        argv_array_push(&pager_process.env_array, "GIT_PAGER_IN_USE");
        if (start_command(&pager_process))
                return;