Merge branch 'arch' into gentoo

home/.config/shell/prompt

@@ -1,5 +1,28 @@
 #!/usr/bin/env zsh
 
+# Configuration variables:
+
+# Once we are too deep in the filestructure, we can usually afford to shorten
+# the whole working directory and only print something like ~/.../dir3/dir4/dir5
+# instead of ~/dir1/dir2/dir3/dir4/dir5. If this isn't desired, set this to 0
+USE_SHORTENED_WORKDIR=1
+
+# Show how much time it took to run a command
+CMD_TIME_SHOW=1
+# Minimum units to show the time precision, if
+# we use "s" (seconds), and the output took 0s,
+# we don't print the output at all to avoid clutter.
+# Same goes for any other units, however with "ms"
+# (miliseconds), this is very unlikely
+# Valid options: ms/s/m/h/d
+CMD_TIME_PRECISION="s"
+# Minimum time in miliseconds, to print the time took,
+# if the command takes less than this amount of miliseconds,
+# don't bother printing the time took, this is nice if you
+# don't need to see how long commands like 'echo' took
+# Setting this to 0 will always print the time taken
+CMD_TIME_MINIMUM=100
+
 # hide EOL sign ('%')
 export PROMPT_EOL_MARK=""
 
@@ -24,11 +47,6 @@ else
 fi
 RESET="%f"
 
-# Once we are too deep in the filestructure, we can usually afford to shorten
-# the whole working directory and only print something like ~/.../dir3/dir4/dir5
-# instead of ~/dir1/dir2/dir3/dir4/dir5. If this isn't desired, set this to 0
-USE_SHORTENED_WORKDIR=1
-
 # Signals git status of CWD repository (if any)
 git_prompt() {
     ref=$(command git symbolic-ref HEAD 2> /dev/null) || ref=$(command git rev-parse --short HEAD 2> /dev/null) || return 0
@@ -64,22 +82,97 @@ working_directory() {
 	fi
 }
 
+# Execution time tracking hooks, this is unique to zsh, as it can add
+# preexec and precmd hooks. We can utilize this to keep track of the
+# amount of time it took to run certain command. We store the start time
+# within a variable: PROMPT_EXEC_TIME_START, which we then compare and
+# unset after the command was finished. In here, we simply set the
+# PROMPT_EXEC_TIME_DURATION, which is then used in the actual prompt
+# This will only be enabled if SHOW_CMD_TIME is 1.
+exec_time_preexec_hook() {
+    [[ $SHOW_CMD_TIME == 0 ]] && return
+    PROMPT_EXEC_TIME_START=$(date +%s.%N)
+}
+exec_time_precmd_hook() {
+    [[ $SHOW_CMD_TIME == 0 ]] && return
+    [[ -z $PROMPT_EXEC_TIME_START ]] && return
+    local PROMPT_EXEC_TIME_STOP=$(date +%s.%N)
+    PROMPT_EXEC_TIME_DURATION=$(echo "($PROMPT_EXEC_TIME_STOP - $PROMPT_EXEC_TIME_START) * 1000" | bc -l)
+    unset PROMPT_EXEC_TIME_START
+}
+format_time() {
+    # Do some formatting to get nice time (e.g. 2m 12s) from miliseconds
+    # $1 is the milisecond amount (int or float)
+    # $2 is the precision (ms/s/m/h/d)
+    local T=$1
+    local D=$(echo "scale=0;$T/1000/60/60/24" | bc -l)
+    local H=$(echo "scale=0;$T/1000/60/60%24" | bc -l)
+    local M=$(echo "scale=0;$T/1000/60%60" | bc -l)
+    local S=$(echo "scale=0;$T/1000%60" | bc -l)
+    local MS=$(echo "scale=0;$T%1000" | bc -l)
+
+    local precision=$2
+    local out=""
+    case "$precision" in
+        "ms") [[ $MS > 0 ]] && out="$(printf "%dms" $MS) ${out}"; precision="s" ;&
+        "s") [[ $S > 0 ]] && out="$(printf "%ds" $S) ${out}"; precision="m" ;&
+        "m") [[ $M > 0 ]] && out="$(printf "%dm" $M) ${out}"; precision="h" ;&
+        "h") [[ $H > 0 ]] && out="$(printf "%dh" $H) ${out}"; precision="d" ;&
+        "d") [[ $D > 0 ]] && out="$(printf "%dd" $D) ${out}" ;;
+        *) out="$T" ;; # Return $1 ($T) if precision wasn't specified/valid
+    esac
+    printf "$out"
+}
+display_cmd_time() {
+    [[ $CMD_TIME_SHOW == 0 ]] && return
+    [[ -z $PROMPT_EXEC_TIME_DURATION ]] && return
+    # If the time duration is less than minimum time,
+    # don't print the time taken
+    [[ $PROMPT_EXEC_TIME_DURATION -lt $CMD_TIME_MINIMUM ]] && return
+    local time_took="$(format_time "$PROMPT_EXEC_TIME_DURATION" "$CMD_TIME_PRECISION")"
+    # Don't display if the time didn't give us output
+    # this happens when all fields (seconds/minutes/...) are 0,
+    # if we use milisecond precision, this will likely never happen
+    # but with other precisions, it could
+    [[ "$(expr length "$time_took")" == 0 ]] && return
+    echo -n " ${LBLUE}took ${time_took}"
+}
+
 setopt promptsubst  # enable command substitution in prompt
 
+# Setup ZSH hooks to display the running time of commands
+autoload -Uz add-zsh-hook
+add-zsh-hook preexec exec_time_preexec_hook
+add-zsh-hook precmd exec_time_precmd_hook
+
 # Primary Prompt
 [ "$EUID" -eq 0 ] && PS1="$RED%n$RESET" || PS1="$GREEN%n$RESET" # user
 PS1+="$(foreign_prompt)"
 PS1+="$(working_directory)"
 PS1+="\$(git_prompt)"
+PS1+="\$(display_cmd_time)"
 PS1+=" $PURPLE%(!.#.$)$RESET " # Final symbol (# or $/»)
 
 # Next line prompt
 PS2="$RED\ $RESET"
 
-# Right side prompt (on error)
+# Right side prompt
+RPS1=""
 if [ $TERM = "linux" ]; then
-	RPS1="%(?..${RED}%? X$RESET)"
+    # Displaying cmd time here works, but often causes issues when we
+    # resize the terminal, since right prompts can be annoying to deal
+    # with when resizing. This would run relatively often so it makes
+    # more sense to only use it in PS1 (left prompt), but if desired,
+    # this can be uncommented
+    #RPS1+="\$(display_cmd_time)"
+
+    # If we find a non-zero return code, print it in the right prompt,
+    # use X here, to avoid issues with TTY not having support for
+    # a nicer unicode character that we use otherwise ("↵")
+    RPS1+="%(?..${RED}%? X$RESET)"
 else
-	RPS1="%(?..${RED}%? ↵$RESET)"
+    # Read comments for the section above.
+    #RPS+="\$(display_cmd_time)"
+    RPS1="%(?..${RED}%? ↵$RESET)"
 fi
 

home/.config/xmonad/xmonad.hs

@@ -178,11 +178,16 @@ myKeys =
     , ("M-M1-k",    sendMessage MirrorExpand)   -- Expand vert window width
 
     -- Multimedia keys
+    , ("<XF86AudioMute>",           spawn "amixer set Master toggle")
     , ("<XF86AudioLowerVolume>",    spawn "amixer set Master 5%- unmute")
     , ("<XF86AudioRaiseVolume>",    spawn "amixer set Master 5%+ unmute")
-    , ("<XF86AudioMute>",           spawn "amixer set Master toggle")
     , ("<XF86MonBrightnessUp>",     spawn "brightness + 10 %")
     , ("<XF86MonBrightnessDown>",   spawn "brightness - 10 %")
+    -- Map media keys to meta + arrows for keyboards without special keys
+    , ("M-<Down>",                  spawn "amixer set Master 5%- unmute")
+    , ("M-<Up>",                    spawn "amixer set Master 5%+ unmute")
+    , ("M-<Right>",                 spawn "brightness + 10 %")
+    , ("M-<Left>",                  spawn "brightness - 10 %")
     ]
         where nonNSP            = WSIs (return (\ws -> W.tag ws /= "NSP"))
               nonEmptyNonNSP    = WSIs (return (\ws -> isJust (W.stack ws) && W.tag ws /= "NSP"))

root/etc/grub.d/09_credentials

@@ -0,0 +1,13 @@
+#!/bin/sh
+exec tail -n +3 $0
+
+# Setup GRUB credentials so that it isn't possible for anyone to change the
+# boot parameters or use the command line, unless they know user/password pair
+#set superusers="admin"
+#password admin [unsafe plaintext password]
+#password_pbkdf2 admin [safe grub-mkpasswd-pbkdf2 password]
+
+
+# Make OS Entries unrestricted, so that they can be booted into without prompting
+# for user/password pair set above
+#menuentry_id_option="--unrestricted $menuentry_id_option"

root/etc/grub.d/40_custom

@@ -9,3 +9,4 @@ if [ ${grub_platform} == "efi" ]; then
 		fwsetup
 	}
 fi
+