From a8292af92fa9d19123f802128d9f0ef12e04e5c4 Mon Sep 17 00:00:00 2001
From: oGre <ogre@muppfarmen.se>
Date: Wed, 3 May 2017 16:17:20 +0200
Subject: [PATCH] Check the syntax of .bash-git-rc before sourcing it

---
 gitprompt.sh | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/gitprompt.sh b/gitprompt.sh
index 78f4de8..c61e632 100755
--- a/gitprompt.sh
+++ b/gitprompt.sh
@@ -346,7 +346,13 @@ function setGitPrompt() {
   unset GIT_PROMPT_SHOW_UNTRACKED_FILES
 
   if [[ -e "$repo/.bash-git-rc" ]]; then
-    source "$repo/.bash-git-rc"
+    # The config file can only contain variable declarations on the form A_B=0 or G_P=all
+    local CONFIG_SYNTAX="^[A-Z_]+=[0-9a-z]+$"
+    if egrep -q -v "$CONFIG_SYNTAX" "$repo/.bash-git-rc"; then
+      echo ".bash-git-rc can only contain variable values on the form NAME=value. Ignoring file." >&2
+    else
+      source "$repo/.bash-git-rc"
+    fi
   fi
 
   if [ -z "${GIT_PROMPT_SHOW_UNTRACKED_FILES}" ]; then