Fix grammar nits in documentation and in code comments.

[git.git] / pager.c

diff --git a/pager.c b/pager.c
index fb7a1a625abf07b0d896a270286ee422a700c14c..0376953cb1b8a4095346e0d12ecef6e7db9c48c9 100644 (file)
--- a/pager.c
+++ b/pager.c
@@ -5,6 +5,8 @@
  * something different on Windows, for example.
  */
 
+static int spawned_pager;
+
 static void run_pager(const char *pager)
 {
        /*
@@ -41,7 +43,7 @@ void setup_pager(void)
        else if (!*pager || !strcmp(pager, "cat"))
                return;
 
-       pager_in_use = 1; /* means we are emitting to terminal */
+       spawned_pager = 1; /* means we are emitting to terminal */
 
        if (pipe(fd) < 0)
                return;
@@ -70,3 +72,14 @@ void setup_pager(void)
        die("unable to execute pager '%s'", pager);
        exit(255);
 }
+
+int pager_in_use(void)
+{
+       const char *env;
+
+       if (spawned_pager)
+               return 1;
+
+       env = getenv("GIT_PAGER_IN_USE");
+       return env ? git_config_bool("GIT_PAGER_IN_USE", env) : 0;
+}