cgit.c: Do not reset HOME after unsetting it.

The number of odd cases in which git will try to read config is far too
great to keep putting a bandaid over each one, so we'll just unset it.

If it turns out that scripts really liked to know about $HOME, we can
always reset it in the filter forks.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 files changed, 0 insertions, 13 deletions

diff --git a/cgit.c b/cgit.c
index e3ec533..29e075d 100644
--- a/cgit.c
+++ b/cgit.c
@@ -471,8 +471,6 @@ static char *guess_defbranch(void)
 
 static int prepare_repo_cmd(struct cgit_context *ctx)
 {
-        char *user_home;
-        char *xdg_home;
         unsigned char sha1[20];
         int nongit = 0;
         int rc;
@@ -483,11 +481,6 @@ static int prepare_repo_cmd(struct cgit_context *ctx)
         /* Do not look in /etc/ for gitconfig and gitattributes. */
         setenv("GIT_CONFIG_NOSYSTEM", "1", 1);
         setenv("GIT_ATTR_NOSYSTEM", "1", 1);
-
-        /* We unset HOME and XDG_CONFIG_HOME before calling the git setup function
-         * so that we don't make unneccessary filesystem accesses. */
-        user_home = getenv("HOME");
-        xdg_home = getenv("XDG_CONFIG_HOME");
         unsetenv("HOME");
         unsetenv("XDG_CONFIG_HOME");
 
@@ -497,12 +490,6 @@ static int prepare_repo_cmd(struct cgit_context *ctx)
         setup_git_directory_gently(&nongit);
         init_display_notes(NULL);
 
-        /* We restore the unset variables afterward. */
-        if (user_home)
-                setenv("HOME", user_home, 1);
-        if (xdg_home)
-                setenv("XDG_CONFIG_HOME", xdg_home, 1);
-
         if (nongit) {
                 const char *name = ctx->repo->name;
                 rc = errno;