diff --git a/.bash.d/git-prompt-simple.sh b/.bash.d/git-prompt-simple.sh
index 7957a5c..93b9fed 100644
--- a/.bash.d/git-prompt-simple.sh
+++ b/.bash.d/git-prompt-simple.sh
@@ -9,28 +9,14 @@
 [[ "$-" != *i* ]] && return
 echo  "[load] ${BASH_SOURCE:-$0}"
 
-GIT_PS1_DIR=~/.tmp/git_ps1/`tty`
-GIT_PS1_ENV=${GIT_PS1_DIR}/git_ps1.env
-mkdir -p ${GIT_PS1_DIR}
-touch    ${GIT_PS1_ENV}
-
 __git_ps1() {
-	. ${GIT_PS1_ENV}
-	if [ "${LAST_PWD}" != "${PWD}" ]; then
-		BRANCH=$(git rev-parse --abbrev-ref HEAD 2> /dev/null)
-		STATUS=
-		if [ ! -z $BRANCH ] && [ ! -z "$(git status --short)" ]; then
-			STATUS=!
-		fi
-cat <<EOF > ${GIT_PS1_ENV}
-BRANCH=${BRANCH}
-STATUS=${STATUS}
-LAST_PWD=${PWD}
-EOF
+BRANCH=$(git rev-parse --abbrev-ref HEAD 2> /dev/null)
+if [ ! -z $BRANCH ]; then
+	STATUS=
+	if [ ! -z "$(git status --short)" ]; then
+		STATUS=!
 	fi
-	if [ ! -z $BRANCH ]; then
-		echo -n -e "\e[33m(${BRANCH}\e[31m${STATUS})"
-	fi
+	echo -n -e "\e[33m(${BRANCH}\e[31m${STATUS}\e[33m)"
+fi
 }
 
-

diff --git a/.bash.d/git-prompt-simple.sh b/.bash.d/git-prompt-simple.sh
index 7957a5c..93b9fed 100644
--- a/.bash.d/git-prompt-simple.sh
+++ b/.bash.d/git-prompt-simple.sh
@@ -9,28 +9,14 @@
 [[ "$-" != *i* ]] && return
 echo  "[load] ${BASH_SOURCE:-$0}"
 
-GIT_PS1_DIR=~/.tmp/git_ps1/`tty`
-GIT_PS1_ENV=${GIT_PS1_DIR}/git_ps1.env
-mkdir -p ${GIT_PS1_DIR}
-touch    ${GIT_PS1_ENV}
-
 __git_ps1() {
-	. ${GIT_PS1_ENV}
-	if [ "${LAST_PWD}" != "${PWD}" ]; then
-		BRANCH=$(git rev-parse --abbrev-ref HEAD 2> /dev/null)
-		STATUS=
-		if [ ! -z $BRANCH ] && [ ! -z "$(git status --short)" ]; then
-			STATUS=!
-		fi
-cat <<EOF > ${GIT_PS1_ENV}
-BRANCH=${BRANCH}
-STATUS=${STATUS}
-LAST_PWD=${PWD}
-EOF
+BRANCH=$(git rev-parse --abbrev-ref HEAD 2> /dev/null)
+if [ ! -z $BRANCH ]; then
+	STATUS=
+	if [ ! -z "$(git status --short)" ]; then
+		STATUS=!
 	fi
-	if [ ! -z $BRANCH ]; then
-		echo -n -e "\e[33m(${BRANCH}\e[31m${STATUS})"
-	fi
+	echo -n -e "\e[33m(${BRANCH}\e[31m${STATUS}\e[33m)"
+fi
 }
 
-
diff --git a/.bashrc b/.bashrc
index 71c0713..b24cb25 100644
--- a/.bashrc
+++ b/.bashrc
@@ -61,6 +61,7 @@
 #
 # Don't put duplicate lines in the history.
 # export HISTCONTROL=$HISTCONTROL${HISTCONTROL+,}ignoredups
+export HISTCONTROL=$HISTCONTROL${HISTCONTROL+,}ignoredups
 #
 # Ignore some controlling instructions
 # HISTIGNORE is a colon-delimited list of patterns which should be excluded.