Marty Oehme
7ec6dc98c9
Utilities should always be sourced, even in the case that the processor is not designated for any of the templates provided.
102 lines
2.6 KiB
Bash
Executable file
102 lines
2.6 KiB
Bash
Executable file
#!/usr/bin/env bash
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readonly dependency=("binaryplease/base16-xresources")
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readonly app="xresources"
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path="$1"
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package="$2"
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theme="$3"
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permanent="$4"
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## Main Entrypoint
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#
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# Finds the right theme template file and starts theme
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# switching and, if necessary, permanent setting processes.
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main() {
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dbg_msg $app "Starting Processor"
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tfile="$path/$package/xresources/base16-$theme.Xresources"
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if ! file_exists "$tfile"; then
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dbg_msg $app "error" "Theme template $theme not found in package $package"
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exit 1
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fi
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if [[ "$permanent" == "true" ]]; then save; fi
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theme
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dbg_msg $app "Processor Done"
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}
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## Theme switcher
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#
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# Makes sure that if any application instance is
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# currently running, it switches to new theme.
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theme() {
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dbg_msg $app "Switching theme"
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xrdb -merge "$tfile"
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theme_post
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dbg_msg $app "Successfully switched theme"
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}
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## Post Theme hook
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#
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# Will restart any running custom applications that need it.
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# Some applications reading from Xresources need a restart
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# to use the new settings.
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theme_post() {
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type polybar-launch >/dev/null 2>&1 && {
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polybar-launch simple-top >/dev/null
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dbg_msg $app "Restarting polybar"
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}
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}
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## Theme setter
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#
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# Takes care of permanently writing the desired
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# base16 theme into application settings.
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save() {
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dbg_msg $app "Saving theme"
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local x_dir="${XDG_CONFIG_HOME:-/$HOME/.config}/xresources"
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local x_optdir="$x_dir/Xresources.d"
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if [[ -d "$x_optdir" ]]; then
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cat "$tfile" >"$x_optdir/colorscheme"
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dbg_msg $app "Saved theme to $x_optdir/colorscheme"
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include "$x_dir"
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else
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dbg_msg $app "warn" "No configuration directory found"
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fi
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}
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## Theme includer
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#
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# Makes sure that theme is actually included in
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# default application startup routine.
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# This is the most invasive step of theming since it
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# rewrites within existing configuration files.
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include() {
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dbg_msg $app "Including theme in configuration"
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local x_dir="$1"
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if file_exists "$x_dir/Xresources"; then
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line_exists_or_append "$x_dir/Xresources" '#include "Xresources.d/colorscheme"'
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dbg_msg $app "Successfully included theme in configuration"
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else
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dbg_msg $app "warn" "No default configuration file found"
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fi
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}
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# Safe sourcing: https://stackoverflow.com/a/12694189
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DIR="${BASH_SOURCE%/*}"
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if [[ ! -d "$DIR" ]]; then DIR="$PWD"; fi
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# shellcheck source=utilities.sh
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. "$DIR/utilities.sh"
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## Dependency Checker
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#
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# Makes sure the processor is called for the correct
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# base16 package, or refuses to run if it is not.
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if printf '%s\n' "${dependency[@]}" | grep -q -P "^$package$"; then
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main
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else
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dbg_msg $app "error" "Processor does not work for package $package"
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fi
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