Cleanup variables in http.[ch]

diff --git a/help.c b/help.c
index 37a9c25db72d2a69a8076517870b7b874bd336a9..f935887d34f2d766120a2628ee13e074b76a6c17 100644 (file)
--- a/help.c
+++ b/help.c
@@ -239,6 +239,27 @@ void list_common_cmds_help(void)
        }
 }
 
+static void setup_man_path(void)
+{
+       struct strbuf new_path;
+       const char *old_path = getenv("MANPATH");
+
+       strbuf_init(&new_path, 0);
+
+       /* We should always put ':' after our path. If there is no
+        * old_path, the ':' at the end will let 'man' to try
+        * system-wide paths after ours to find the manual page. If
+        * there is old_path, we need ':' as delimiter. */
+       strbuf_addstr(&new_path, GIT_MAN_PATH);
+       strbuf_addch(&new_path, ':');
+       if (old_path)
+               strbuf_addstr(&new_path, old_path);
+
+       setenv("MANPATH", new_path.buf, 1);
+
+       strbuf_release(&new_path);
+}
+
 static void show_man_page(const char *git_cmd)
 {
        const char *page;
@@ -254,6 +275,7 @@ static void show_man_page(const char *git_cmd)
                page = p;
        }
 
+       setup_man_path();
        execlp("man", "man", page, NULL);
 }