[PATCH] pager_in_use: use git_env_bool()

[Jeff King <peff@peff.net>]

On Fri, Mar 24, 2017 at 02:55:43PM -0400, Jeff King wrote:

> But I was concerned that there might be a bug in pager_in_use(), so I
> dug into it a little. I think the code there is correct; [...]

I did see this small cleanup opportunity, though.

-- >8 --
Subject: [PATCH] pager_in_use: use git_env_bool()

The pager_in_use() function predates git_env_bool(), but
ends up doing the same thing.  Let's make use of the latter,
which is shorter and less repetitive.

Signed-off-by: Jeff King <peff@peff.net>
---
 pager.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/pager.c b/pager.c
index 73ca8bc3b..c113d898a 100644
--- a/pager.c
+++ b/pager.c
@@ -135,9 +135,7 @@ void setup_pager(void)
 
 int pager_in_use(void)
 {
-	const char *env;
-	env = getenv("GIT_PAGER_IN_USE");
-	return env ? git_config_bool("GIT_PAGER_IN_USE", env) : 0;
+	return git_env_bool("GIT_PAGER_IN_USE", 0);
 }
 
 /*
-- 
2.12.1.843.g1937c56c2