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90 lines
1.6 KiB
Bash
Executable file
90 lines
1.6 KiB
Bash
Executable file
#!/bin/sh
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err() {
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echo "$1" >&2
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}
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die() {
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err "${0##*/}: $1"
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exit 1
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}
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usage() {
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if [ -n "$1" ]; then
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err "${0##*/}: $1"
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err
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fi
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err "usage: ${0##*/} [-hqrde] SCRIPT"
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err
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err " -h show this message and exit"
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err " -q suppress output and notifications"
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err " -r restore the previous script as your screen layout"
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err " -d reset screen layout to X default"
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err " -e edit previous screen layout script in your EDITOR"
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exit 0
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}
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restore() {
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[ -f "$XDG_DATA_HOME/screenlayout" ] || die "previous script not found"
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. "$XDG_DATA_HOME/screenlayout"
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exit 0
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}
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default() {
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xrandr --auto
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[ -z "$QUIET" ] && notify-send -u low "System" "Screen layout set to default."
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exit 0
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}
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edit() {
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[ -z "$EDITOR" ] && die "\$EDITOR is not set"
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[ -f "$XDG_DATA_HOME/screenlayout" ] || die "previous script not found"
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$EDITOR "$XDG_DATA_HOME/screenlayout"
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exit 0
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}
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while getopts ":hqrde" opt; do
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case $opt in
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h) usage ;;
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q) QUIET=1 ;;
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r) restore ;;
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d) default ;;
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e) edit ;;
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\?) usage "invalid option -- '$OPTARG'" ;;
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:) usage "option requires an argument -- '$OPTARG'" ;;
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esac
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done
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shift $((OPTIND - 1))
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if [ "$1" = "-" ]; then
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while IFS= read -r line; do
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script="$line"
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done
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else
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script="$1"
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fi
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[ -n "$script" ] || usage "SCRIPT was not provided"
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[ -d "$script" ] && die "$script: is a directory"
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[ -f "$script" ] || die "$script: no such file"
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case "$(file -b --mime-type "$script")" in
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text/x-shellscript) ;;
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*) die "$script: unsupported file type" ;;
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esac
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ln -sf "$script" "$XDG_DATA_HOME/screenlayout"
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. "$XDG_DATA_HOME/screenlayout"
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[ -z "$QUIET" ] && notify-send -u low "System" "Screen layout set to <b>${script##*/}</b>."
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