1 file changed, 5 insertions, 3 deletions
diff --git a/source/cgit.c b/source/cgit.c
index 6d663fe..5f8ecfa 100644
--- a/source/cgit.c
+++ b/source/cgit.c
@@ -56,10 +56,12 @@ struct refmatch {
 
 /*
  * Isolate git from the calling user's configuration, which could otherwise
- * break once HOME is unset below. Called from cmd_main rather than from a
- * constructor attribute, because git-compat-util.h defines __attribute__
- * away on a compiler without it, which would leave this silently unrun.
+ * break once HOME is unset below. It runs as a constructor because git reads
+ * the global config for its trace settings before cmd_main is reached, and
+ * cmd_main calls it again for a compiler that drops the attribute, which
+ * git-compat-util.h defines away where it is unsupported.
  */
+__attribute__((constructor))
 static void isolate_git_environment(void)
 {
 	setenv("GIT_CONFIG_NOSYSTEM", "1", 1);