From bfea8cf48523b3d6fa72d131e81769b68f43e3a7 Mon Sep 17 00:00:00 2001
From: Markus Meier <markus.meier@gbtec.de>
Date: Fri, 9 Dec 2022 09:54:58 +0100
Subject: [PATCH] fix: compatibility check not working in bash (#258)

Fix: backwards compatibility check not working reliably in bash
---
 forgit.plugin.zsh | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/forgit.plugin.zsh b/forgit.plugin.zsh
index 21bf56c..84696ee 100755
--- a/forgit.plugin.zsh
+++ b/forgit.plugin.zsh
@@ -21,8 +21,10 @@ FORGIT="$INSTALL_DIR/bin/git-forgit"
 # backwards compatibility:
 # export all user-defined FORGIT variables to make them available in git-forgit
 unexported_vars=0
+# Set posix mode in bash to only get variables, see #256.
+[[ -n "$BASH_VERSION" ]] && set -o posix
 set | awk -F '=' '{ print $1 }' | grep FORGIT_ | while read -r var; do
-    if ! export | grep -q "^$var="; then
+    if ! export | grep -q "\(^$var=\|^export $var=\)"; then
         if [[ $unexported_vars == 0 ]]; then
             forgit::warn "Config options have to be exported in future versions of forgit."
             forgit::warn "Please update your config accordingly:"
@@ -33,6 +35,7 @@ set | awk -F '=' '{ print $1 }' | grep FORGIT_ | while read -r var; do
         export "$var"
     fi
 done
+[[ -n "$BASH_VERSION" ]] && set +o posix
 
 # register shell functions
 forgit::log() {