diff --git a/clean_files.txt b/clean_files.txt
index ab3841ac..ddf8fdf9 100644
--- a/clean_files.txt
+++ b/clean_files.txt
@@ -25,6 +25,7 @@ lint_clean_files.sh
 
 # themes
 #
+themes/agnoster
 themes/90210
 themes/powerline
 themes/barbuk
diff --git a/themes/agnoster/agnoster.theme.bash b/themes/agnoster/agnoster.theme.bash
index 06f73c02..1f3a5acb 100644
--- a/themes/agnoster/agnoster.theme.bash
+++ b/themes/agnoster/agnoster.theme.bash
@@ -70,9 +70,9 @@ PROMPT_DIRTRIM=2 # bash4 and above
 ######################################################################
 DEBUG=0
 debug() {
-    if [[ ${DEBUG} -ne 0 ]]; then
-        >&2 echo -e $*
-    fi
+	if [[ ${DEBUG} -ne 0 ]]; then
+		echo >&2 -e "$@"
+	fi
 }
 
 ######################################################################
@@ -87,178 +87,176 @@ LEFT_SUBSEG=''
 RIGHT_SUBSEG=''
 
 text_effect() {
-    case "$1" in
-        reset)      echo 0;;
-        bold)       echo 1;;
-        underline)  echo 4;;
-    esac
+	case "$1" in
+		reset) echo 0 ;;
+		bold) echo 1 ;;
+		underline) echo 4 ;;
+	esac
 }
 
 # to add colors, see
 # http://bitmote.com/index.php?post/2012/11/19/Using-ANSI-Color-Codes-to-Colorize-Your-Bash-Prompt-on-Linux
 # under the "256 (8-bit) Colors" section, and follow the example for orange below
 fg_color() {
-    case "$1" in
-        black)      echo 30;;
-        red)        echo 31;;
-        green)      echo 32;;
-        yellow)     echo 33;;
-        blue)       echo 34;;
-        magenta)    echo 35;;
-        cyan)       echo 36;;
-        white)      echo 37;;
-        orange)     echo 38\;5\;166;;
-    esac
+	case "$1" in
+		black) echo 30 ;;
+		red) echo 31 ;;
+		green) echo 32 ;;
+		yellow) echo 33 ;;
+		blue) echo 34 ;;
+		magenta) echo 35 ;;
+		cyan) echo 36 ;;
+		white) echo 37 ;;
+		orange) echo 38\;5\;166 ;;
+	esac
 }
 
 bg_color() {
-    case "$1" in
-        black)      echo 40;;
-        red)        echo 41;;
-        green)      echo 42;;
-        yellow)     echo 43;;
-        blue)       echo 44;;
-        magenta)    echo 45;;
-        cyan)       echo 46;;
-        white)      echo 47;;
-        orange)     echo 48\;5\;166;;
-    esac;
+	case "$1" in
+		black) echo 40 ;;
+		red) echo 41 ;;
+		green) echo 42 ;;
+		yellow) echo 43 ;;
+		blue) echo 44 ;;
+		magenta) echo 45 ;;
+		cyan) echo 46 ;;
+		white) echo 47 ;;
+		orange) echo 48\;5\;166 ;;
+	esac
 }
 
 # TIL: declare is global not local, so best use a different name
 # for codes (mycodes) as otherwise it'll clobber the original.
 # this changes from BASH v3 to BASH v4.
 ansi() {
-    local seq
-    declare -a mycodes=("${!1}")
+	local seq
+	declare -a mycodes=("${!1}")
 
-    debug "ansi: ${!1} all: $* aka ${mycodes[@]}"
+	debug "ansi: ${!1} all: $* aka " "${mycodes[@]}"
 
-    seq=""
-    for ((i = 0; i < ${#mycodes[@]}; i++)); do
-        if [[ -n $seq ]]; then
-            seq="${seq};"
-        fi
-        seq="${seq}${mycodes[$i]}"
-    done
-    debug "ansi debug:" '\\[\\033['${seq}'m\\]'
-    echo -ne '\[\033['${seq}'m\]'
-    # PR="$PR\[\033[${seq}m\]"
+	seq=""
+	for ((i = 0; i < ${#mycodes[@]}; i++)); do
+		if [[ -n $seq ]]; then
+			seq="${seq};"
+		fi
+		seq="${seq}${mycodes[$i]}"
+	done
+	debug "ansi debug:" '\\[\\033['"${seq}"'m\\]'
+	echo -ne '\[\033['"${seq}"'m\]'
+	# PR="$PR\[\033[${seq}m\]"
 }
 
 ansi_single() {
-    echo -ne '\[\033['$1'm\]'
+	echo -ne '\[\033['"$1"'m\]'
 }
 
 # Begin a segment
 # Takes two arguments, background and foreground. Both can be omitted,
 # rendering default background/foreground.
 prompt_segment() {
-    local bg fg
-    declare -a codes
+	local bg fg
+	declare -a codes
 
-    debug "Prompting $1 $2 $3"
+	debug "Prompting $1 $2 $3"
 
-    # if commented out from kruton's original... I'm not clear
-    # if it did anything, but it messed up things like
-    # prompt_status - Erik 1/14/17
+	# if commented out from kruton's original... I'm not clear
+	# if it did anything, but it messed up things like
+	# prompt_status - Erik 1/14/17
 
-    #    if [[ -z $1 || ( -z $2 && $2 != default ) ]]; then
-    codes=("${codes[@]}" $(text_effect reset))
-    #    fi
-    if [[ -n $1 ]]; then
-        bg=$(bg_color $1)
-        codes=("${codes[@]}" $bg)
-        debug "Added $bg as background to codes"
-    fi
-    if [[ -n $2 ]]; then
-        fg=$(fg_color $2)
-        codes=("${codes[@]}" $fg)
-        debug "Added $fg as foreground to codes"
-    fi
+	#    if [[ -z $1 || ( -z $2 && $2 != default ) ]]; then
+	codes=("${codes[@]}" "$(text_effect reset)")
+	#    fi
+	if [[ -n $1 ]]; then
+		bg=$(bg_color "$1")
+		codes=("${codes[@]}" "$bg")
+		debug "Added $bg as background to codes"
+	fi
+	if [[ -n $2 ]]; then
+		fg=$(fg_color "$2")
+		codes=("${codes[@]}" "$fg")
+		debug "Added $fg as foreground to codes"
+	fi
 
-    debug "Codes: "
-    # declare -p codes
+	debug "Codes: "
+	# declare -p codes
 
-    if [[ $CURRENT_BG != NONE && $1 != $CURRENT_BG ]]; then
-        declare -a intermediate=($(fg_color $CURRENT_BG) $(bg_color $1))
-        debug "pre prompt " $(ansi intermediate[@])
-        PR="$PR $(ansi intermediate[@])$SEGMENT_SEPARATOR"
-        debug "post prompt " $(ansi codes[@])
-        PR="$PR$(ansi codes[@]) "
-    else
-        debug "no current BG, codes is $codes[@]"
-        PR="$PR$(ansi codes[@]) "
-    fi
-    CURRENT_BG=$1
-    [[ -n $3 ]] && PR="$PR$3"
+	if [[ $CURRENT_BG != NONE && $1 != "$CURRENT_BG" ]]; then
+		declare -a intermediate=("$(fg_color $CURRENT_BG)" "$(bg_color "$1")")
+		debug "pre prompt " "$(ansi intermediate[@])"
+		PR="$PR $(ansi intermediate[@])$SEGMENT_SEPARATOR"
+		debug "post prompt " "$(ansi codes[@])"
+		PR="$PR$(ansi codes[@]) "
+	else
+		debug "no current BG, codes is " "${codes[@]}"
+		PR="$PR$(ansi codes[@]) "
+	fi
+	CURRENT_BG=$1
+	[[ -n $3 ]] && PR="$PR$3"
 }
 
 # End the prompt, closing any open segments
 prompt_end() {
-    if [[ -n $CURRENT_BG ]]; then
-        declare -a codes=($(text_effect reset) $(fg_color $CURRENT_BG))
-        PR="$PR $(ansi codes[@])$SEGMENT_SEPARATOR"
-    fi
-    declare -a reset=($(text_effect reset))
-    PR="$PR $(ansi reset[@])"
-    CURRENT_BG=''
+	if [[ -n $CURRENT_BG ]]; then
+		declare -a codes=("$(text_effect reset)" "$(fg_color "$CURRENT_BG")")
+		PR="$PR $(ansi codes[@])$SEGMENT_SEPARATOR"
+	fi
+	declare -a reset=("$(text_effect reset)")
+	PR="$PR $(ansi reset[@])"
+	CURRENT_BG=''
 }
 
 ### virtualenv prompt
 prompt_virtualenv() {
-    if [[ -n $VIRTUAL_ENV ]]; then
-        color=cyan
-        prompt_segment $color $PRIMARY_FG
-        ve=`basename "$VIRTUAL_ENV"`
-        prompt_segment $color white "$ve"
-    fi
+	if [[ -n $VIRTUAL_ENV ]]; then
+		color=cyan
+		prompt_segment $color "$PRIMARY_FG"
+		ve=$(basename "$VIRTUAL_ENV")
+		prompt_segment $color white "$ve"
+	fi
 }
 
-
 ### Prompt components
 # Each component will draw itself, and hide itself if no information needs to be shown
 
 # Context: user@hostname (who am I and where am I)
 prompt_context() {
-    local user=`whoami`
+	local user=$(whoami)
 
-    if [[ $user != $DEFAULT_USER || -n $SSH_CLIENT ]]; then
-        prompt_segment black default "$user@\h"
-    fi
+	if [[ $user != "$DEFAULT_USER" || -n $SSH_CLIENT ]]; then
+		prompt_segment black default "$user@\h"
+	fi
 }
 
 # prints history followed by HH:MM, useful for remembering what
 # we did previously
 prompt_histdt() {
-    prompt_segment black default "\! [\A]"
+	prompt_segment black default "\! [\A]"
 }
 
-
 git_status_dirty() {
-    dirty=$(git status -s 2> /dev/null | tail -n 1)
-    [[ -n $dirty ]] && echo " ●"
+	dirty=$(git status -s 2> /dev/null | tail -n 1)
+	[[ -n $dirty ]] && echo " ●"
 }
 
 # Git: branch/detached head, dirty status
 prompt_git() {
-    local ref dirty
-    if $(git rev-parse --is-inside-work-tree >/dev/null 2>&1); then
-        ZSH_THEME_GIT_PROMPT_DIRTY='±'
-        dirty=$(git_status_dirty)
-        ref=$(git symbolic-ref HEAD 2> /dev/null) || ref="➦ $(git show-ref --head -s --abbrev |head -n1 2> /dev/null)"
-        if [[ -n $dirty ]]; then
-            prompt_segment yellow black
-        else
-            prompt_segment green black
-        fi
-        PR="$PR${ref/refs\/heads\// }$dirty"
-    fi
+	local ref dirty
+	if git rev-parse --is-inside-work-tree > /dev/null 2>&1; then
+		ZSH_THEME_GIT_PROMPT_DIRTY='±'
+		dirty=$(git_status_dirty)
+		ref=$(git symbolic-ref HEAD 2> /dev/null) || ref="➦ $(git show-ref --head -s --abbrev | head -n1 2> /dev/null)"
+		if [[ -n $dirty ]]; then
+			prompt_segment yellow black
+		else
+			prompt_segment green black
+		fi
+		PR="$PR${ref/refs\/heads\// }$dirty"
+	fi
 }
 
 # Dir: current working directory
 prompt_dir() {
-    prompt_segment blue black '\w'
+	prompt_segment blue black '\w'
 }
 
 # Status:
@@ -266,13 +264,13 @@ prompt_dir() {
 # - am I root
 # - are there background jobs?
 prompt_status() {
-    local symbols
-    symbols=()
-    [[ $RETVAL -ne 0 ]] && symbols+="$(ansi_single $(fg_color red))✘"
-    [[ $UID -eq 0 ]] && symbols+="$(ansi_single $(fg_color yellow))⚡"
-    [[ $(jobs -l | wc -l) -gt 0 ]] && symbols+="$(ansi_single $(fg_color cyan))⚙"
+	local symbols
+	symbols=()
+	[[ $RETVAL -ne 0 ]] && symbols+=("$(ansi_single "$(fg_color red)")✘")
+	[[ $UID -eq 0 ]] && symbols+=("$(ansi_single "$(fg_color yellow)")⚡")
+	[[ $(jobs -l | wc -l) -gt 0 ]] && symbols+=("$(ansi_single "$(fg_color cyan)")⚙")
 
-    [[ -n "$symbols" ]] && prompt_segment black default "$symbols"
+	[[ -n "${symbols[*]}" ]] && prompt_segment black default "${symbols[@]}"
 }
 
 ######################################################################
@@ -282,89 +280,89 @@ prompt_status() {
 # doesn't quite work per above
 
 rightprompt() {
-    printf "%*s" $COLUMNS "$PRIGHT"
+	printf "%*s" $COLUMNS "$PRIGHT"
 }
 
 # quick right prompt I grabbed to test things.
 __command_rprompt() {
-    local times= n=$COLUMNS tz
-    for tz in ZRH:Europe/Zurich PIT:US/Eastern \
-              MTV:US/Pacific TOK:Asia/Tokyo; do
-        [ $n -gt 40 ] || break
-        times="$times ${tz%%:*}\e[30;1m:\e[0;36;1m"
-        times="$times$(TZ=${tz#*:} date +%H:%M)\e[0m"
-        n=$(( $n - 10 ))
-    done
-    [ -z "$times" ] || printf "%${n}s$times\\r" ''
+	local times=n=$COLUMNS tz
+	for tz in ZRH:Europe/Zurich PIT:US/Eastern \
+		MTV:US/Pacific TOK:Asia/Tokyo; do
+		[ "$n" -gt 40 ] || break
+		times="$times ${tz%%:*}\e[30;1m:\e[0;36;1m"
+		times="$times$(TZ=${tz#*:} date +%H:%M)\e[0m"
+		n=$(("$n" - 10))
+	done
+	[ -z "$times" ] || printf "%${n}s$times\\r" ''
 }
 # PROMPT_COMMAND=__command_rprompt
 
 # this doens't wrap code in \[ \]
 ansi_r() {
-    local seq
-    declare -a mycodes2=("${!1}")
+	local seq
+	declare -a mycodes2=("${!1}")
 
-    debug "ansi: ${!1} all: $* aka ${mycodes2[@]}"
+	debug "ansi: ${!1} all: $* aka " "${mycodes2[@]}"
 
-    seq=""
-    for ((i = 0; i < ${#mycodes2[@]}; i++)); do
-        if [[ -n $seq ]]; then
-            seq="${seq};"
-        fi
-        seq="${seq}${mycodes2[$i]}"
-    done
-    debug "ansi debug:" '\\[\\033['${seq}'m\\]'
-    echo -ne '\033['${seq}'m'
-    # PR="$PR\[\033[${seq}m\]"
+	seq=""
+	for ((i = 0; i < ${#mycodes2[@]}; i++)); do
+		if [[ -n $seq ]]; then
+			seq="${seq};"
+		fi
+		seq="${seq}${mycodes2[$i]}"
+	done
+	debug "ansi debug:" '\\[\\033['"${seq}"'m\\]'
+	echo -ne '\033['"${seq}"'m'
+	# PR="$PR\[\033[${seq}m\]"
 }
 
 # Begin a segment on the right
 # Takes two arguments, background and foreground. Both can be omitted,
 # rendering default background/foreground.
 prompt_right_segment() {
-    local bg fg
-    declare -a codes
+	local bg fg
+	declare -a codes
 
-    debug "Prompt right"
-    debug "Prompting $1 $2 $3"
+	debug "Prompt right"
+	debug "Prompting $1 $2 $3"
 
-    # if commented out from kruton's original... I'm not clear
-    # if it did anything, but it messed up things like
-    # prompt_status - Erik 1/14/17
+	# if commented out from kruton's original... I'm not clear
+	# if it did anything, but it messed up things like
+	# prompt_status - Erik 1/14/17
 
-    #    if [[ -z $1 || ( -z $2 && $2 != default ) ]]; then
-    codes=("${codes[@]}" $(text_effect reset))
-    #    fi
-    if [[ -n $1 ]]; then
-        bg=$(bg_color $1)
-        codes=("${codes[@]}" $bg)
-        debug "Added $bg as background to codes"
-    fi
-    if [[ -n $2 ]]; then
-        fg=$(fg_color $2)
-        codes=("${codes[@]}" $fg)
-        debug "Added $fg as foreground to codes"
-    fi
+	#    if [[ -z $1 || ( -z $2 && $2 != default ) ]]; then
+	codes=("${codes[@]}" "$(text_effect reset)")
+	#    fi
+	if [[ -n $1 ]]; then
+		bg=$(bg_color "$1")
+		codes=("${codes[@]}" "$bg")
+		debug "Added $bg as background to codes"
+	fi
+	if [[ -n $2 ]]; then
+		fg=$(fg_color "$2")
+		codes=("${codes[@]}" "$fg")
+		debug "Added $fg as foreground to codes"
+	fi
 
-    debug "Right Codes: "
-    # declare -p codes
+	debug "Right Codes: "
+	# declare -p codes
 
-    # right always has a separator
-    # if [[ $CURRENT_RBG != NONE && $1 != $CURRENT_RBG ]]; then
-    #     $CURRENT_RBG=
-    # fi
-    declare -a intermediate2=($(fg_color $1) $(bg_color $CURRENT_RBG) )
-    # PRIGHT="$PRIGHT---"
-    debug "pre prompt " $(ansi_r intermediate2[@])
-    PRIGHT="$PRIGHT$(ansi_r intermediate2[@])$RIGHT_SEPARATOR"
-    debug "post prompt " $(ansi_r codes[@])
-    PRIGHT="$PRIGHT$(ansi_r codes[@]) "
-    # else
-    #     debug "no current BG, codes is $codes[@]"
-    #     PRIGHT="$PRIGHT$(ansi codes[@]) "
-    # fi
-    CURRENT_RBG=$1
-    [[ -n $3 ]] && PRIGHT="$PRIGHT$3"
+	# right always has a separator
+	# if [[ $CURRENT_RBG != NONE && $1 != $CURRENT_RBG ]]; then
+	#     $CURRENT_RBG=
+	# fi
+	declare -a intermediate2=("$(fg_color "$1")" "$(bg_color $CURRENT_RBG)")
+	# PRIGHT="$PRIGHT---"
+	debug "pre prompt " "$(ansi_r intermediate2[@])"
+	PRIGHT="$PRIGHT$(ansi_r intermediate2[@])$RIGHT_SEPARATOR"
+	debug "post prompt " "$(ansi_r codes[@])"
+	PRIGHT="$PRIGHT$(ansi_r codes[@]) "
+	# else
+	#     debug "no current BG, codes is $codes[@]"
+	#     PRIGHT="$PRIGHT$(ansi codes[@]) "
+	# fi
+	CURRENT_RBG=$1
+	[[ -n $3 ]] && PRIGHT="$PRIGHT$3"
 }
 
 ######################################################################
@@ -385,22 +383,22 @@ prompt_right_segment() {
 #                         'dirtrack-filter-out-pwd-prompt t t)))
 
 prompt_emacsdir() {
-    # no color or other setting... this will be deleted per above
-    PR="DIR \w DIR$PR"
+	# no color or other setting... this will be deleted per above
+	PR="DIR \w DIR$PR"
 }
 
 ######################################################################
 ## Main prompt
 
 build_prompt() {
-    [[ ! -z ${AG_EMACS_DIR+x} ]] && prompt_emacsdir
-    prompt_status
-    #[[ -z ${AG_NO_HIST+x} ]] && prompt_histdt
-    [[ -z ${AG_NO_CONTEXT+x} ]] && prompt_context
-    prompt_virtualenv
-    prompt_dir
-    prompt_git
-    prompt_end
+	[[ -n ${AG_EMACS_DIR+x} ]] && prompt_emacsdir
+	prompt_status
+	#[[ -z ${AG_NO_HIST+x} ]] && prompt_histdt
+	[[ -z ${AG_NO_CONTEXT+x} ]] && prompt_context
+	prompt_virtualenv
+	prompt_dir
+	prompt_git
+	prompt_end
 }
 
 # from orig...
@@ -409,16 +407,16 @@ build_prompt() {
 # use that.
 
 set_bash_prompt() {
-    RETVAL=$?
-    PR=""
-    PRIGHT=""
-    CURRENT_BG=NONE
-    PR="$(ansi_single $(text_effect reset))"
-    build_prompt
+	RETVAL=$?
+	PR=""
+	PRIGHT=""
+	CURRENT_BG=NONE
+	PR="$(ansi_single "$(text_effect reset)")"
+	build_prompt
 
-    # uncomment below to use right prompt
-    #     PS1='\[$(tput sc; printf "%*s" $COLUMNS "$PRIGHT"; tput rc)\]'$PR
-    PS1=$PR
+	# uncomment below to use right prompt
+	#     PS1='\[$(tput sc; printf "%*s" $COLUMNS "$PRIGHT"; tput rc)\]'$PR
+	PS1=$PR
 }
 
 PROMPT_COMMAND=set_bash_prompt