make git barf when an alias changes environment variables

diff --git a/connect.c b/connect.c
index 8cbda88dda02e7de74149af1b387e537f77bc497..aafa416229df08010203d948923c547eefe3e107 100644 (file)
--- a/connect.c
+++ b/connect.c
@@ -589,6 +589,7 @@ pid_t git_connect(int fd[2], char *url, const char *prog, int flags)
                        unsetenv(ALTERNATE_DB_ENVIRONMENT);
                        unsetenv(DB_ENVIRONMENT);
                        unsetenv(GIT_DIR_ENVIRONMENT);
+                       unsetenv(GIT_WORK_TREE_ENVIRONMENT);
                        unsetenv(GRAFT_ENVIRONMENT);
                        unsetenv(INDEX_ENVIRONMENT);
                        execlp("sh", "sh", "-c", command, NULL);