Merge branch 'so/prompt-command'

diff --git a/pager.c b/pager.c
index 4dcb08d9674c252cbe2c2725f92eca2a0350dc93..c1ecf657fdb32c1fa669f08ba33e358f15c5a07b 100644 (file)
--- a/pager.c
+++ b/pager.c
@@ -6,26 +6,17 @@
 #define DEFAULT_PAGER "less"
 #endif
 
+struct pager_config {
+       const char *cmd;
+       int want;
+       char *value;
+};
+
 /*
  * This is split up from the rest of git so that we can do
  * something different on Windows.
  */
 
-#ifndef WIN32
-static void pager_preexec(void)
-{
-       /*
-        * Work around bug in "less" by not starting it until we
-        * have real input
-        */
-       fd_set in;
-
-       FD_ZERO(&in);
-       FD_SET(0, &in);
-       select(1, &in, NULL, &in, NULL);
-}
-#endif
-
 static const char *pager_argv[] = { NULL, NULL };
 static struct child_process pager_process;
 
@@ -93,9 +84,6 @@ void setup_pager(void)
                static const char *env[] = { "LESS=FRSX", NULL };
                pager_process.env = env;
        }
-#ifndef WIN32
-       pager_process.preexec_cb = pager_preexec;
-#endif
        if (start_command(&pager_process))
                return;
 
@@ -159,3 +147,31 @@ int decimal_width(int number)
                i *= 10;
        return width;
 }
+
+static int pager_command_config(const char *var, const char *value, void *data)
+{
+       struct pager_config *c = data;
+       if (!prefixcmp(var, "pager.") && !strcmp(var + 6, c->cmd)) {
+               int b = git_config_maybe_bool(var, value);
+               if (b >= 0)
+                       c->want = b;
+               else {
+                       c->want = 1;
+                       c->value = xstrdup(value);
+               }
+       }
+       return 0;
+}
+
+/* returns 0 for "no pager", 1 for "use pager", and -1 for "not specified" */
+int check_pager_config(const char *cmd)
+{
+       struct pager_config c;
+       c.cmd = cmd;
+       c.want = -1;
+       c.value = NULL;
+       git_config(pager_command_config, &c);
+       if (c.value)
+               pager_program = c.value;
+       return c.want;
+}