git-whatchanged: Add usage string

diff --git a/git-parse-remote.sh b/git-parse-remote.sh
index aea7b0e5497fb0727533ea750503193fe308374a..5f158c613f333026ed42eac1c059b01500ba5e53 100755 (executable)
--- a/git-parse-remote.sh
+++ b/git-parse-remote.sh
@@ -1,6 +1,8 @@
 #!/bin/sh
 
-. git-sh-setup
+# git-ls-remote could be called from outside a git managed repository;
+# this would fail in that case and would issue an error message.
+GIT_DIR=$(git-rev-parse --git-dir 2>/dev/null) || :;
 
 get_data_source () {
        case "$1" in