Merge pull request #26 from ZLLentz/bug_git_safedir

BUG: add git safe directory for centrally deployed git repos

scripts/docs_prompt.sh

@@ -3,8 +3,14 @@
 # Includes a human-readable shorthand, a url to the commit, and the current time and date
 THIS_SCRIPT="$(realpath "${0}")"
 THIS_DIR="$(dirname "${THIS_SCRIPT}")"
+source "${THIS_DIR}"/paths.sh
 
-VERSION="$(git -C "${THIS_DIR}" describe --tags)"
+# Safe directory needed to check the git version, only apply once per user.
+if ! git config --global --get-all safe.directory | grep "${ANSIBLE_ROOT}" &>/dev/null; then
+    git config --global --add safe.directory "${ANSIBLE_ROOT}"
+    echo "Added ${ANSIBLE_ROOT} as a git safe.directory to check the version."
+fi
+VERSION="$(git -C "${ANSIBLE_ROOT}" describe --tags)"
 URL="https://github.com/pcdshub/twincat-bsd-ansible/tree/${VERSION}"
 
 echo "If you made changes, please update the deployment docs (https://confluence.slac.stanford.edu/x/0IsFGg)"