pager.c: replace `git_config()` with `git_config_get_value()`

Use `git_config_get_value()` instead of `git_config()` to take advantage of
the config-set API which provides a cleaner control flow.

Signed-off-by: Tanay Abhra <tanayabh@gmail.com>
Reviewed-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/pager.c b/pager.c
index 8b5cbc56e4fd57a1b9d2cad3e668df4c508a7b17..b7eb7e7957f5e6340e0590fad9a362fd0086e6fa 100644 (file)
--- a/pager.c
+++ b/pager.c
@@ -6,12 +6,6 @@
 #define DEFAULT_PAGER "less"
 #endif
 
 #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.
 /*
  * This is split up from the rest of git so that we can do
  * something different on Windows.


@@ -155,30 +149,22 @@ int decimal_width(int number)
        return width;
 }
 
        return width;
 }
 

-static int pager_command_config(const char *var, const char *value, void *data)
+/* 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 = data;
-       if (starts_with(var, "pager.") && !strcmp(var + 6, c->cmd)) {
-               int b = git_config_maybe_bool(var, value);
+       int want = -1;
+       struct strbuf key = STRBUF_INIT;
+       const char *value = NULL;
+       strbuf_addf(&key, "pager.%s", cmd);
+       if (!git_config_get_value(key.buf, &value)) {
+               int b = git_config_maybe_bool(key.buf, value);

                if (b >= 0)
                if (b >= 0)

-                       c->want = b;
+                       want = b;

                else {
                else {

-                       c->want = 1;
-                       c->value = xstrdup(value);
+                       want = 1;
+                       pager_program = 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;
+       strbuf_release(&key);
+       return want;

 }
 }