setup: set env $GIT_WORK_TREE when work tree is set, like $GIT_DIR

diff --git a/environment.c b/environment.c
index 5c4815dbe132fc358aa55eeb20d86d867c97c37f..36fbba57fc83afd36d99bf5d4f3a1fc3feefba09 100644 (file)
--- a/environment.c
+++ b/environment.c
@@ -64,6 +64,16 @@ int precomposed_unicode = -1; /* see probe_utf8_pathname_composition() */
 struct startup_info *startup_info;
 unsigned long pack_size_limit_cfg;
 
+#ifndef PROTECT_HFS_DEFAULT
+#define PROTECT_HFS_DEFAULT 0
+#endif
+int protect_hfs = PROTECT_HFS_DEFAULT;
+
+#ifndef PROTECT_NTFS_DEFAULT
+#define PROTECT_NTFS_DEFAULT 0
+#endif
+int protect_ntfs = PROTECT_NTFS_DEFAULT;
+
 /*
  * The character that begins a commented line in user-editable file
  * that is subject to stripspace.
@@ -201,6 +211,8 @@ void set_git_work_tree(const char *new_work_tree)
        }
        git_work_tree_initialized = 1;
        work_tree = xstrdup(real_path(new_work_tree));
+       if (setenv(GIT_WORK_TREE_ENVIRONMENT, work_tree, 1))
+               die("could not set GIT_WORK_TREE to '%s'", work_tree);
 }
 
 const char *get_git_work_tree(void)