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Update zathura to use drop-in colorscheme file

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Zathura can use include directive to gather configuration from multiple
files, make use of that for less intrusive theming changes. Now only
needs to append include directive in main configuration file and the
colorscheme can just be put into a completely separate file.
This commit is contained in:
Marty Oehme 2022-03-10 21:01:35 +01:00
parent b780cefea8
commit 6e91749030
Signed by: Marty
GPG key ID: B7538B8F50A1C800
1 changed files with 30 additions and 53 deletions
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51
theme_zathura
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@ -2,14 +2,11 @@
readonly dependency=("nicodebo/base16-zathura")
readonly app="zathura"
#
# zathura does not support including other files into
# its configuration yet. As such, this processor needs to
# change the user's configuration file *itself*.
#
# This will generally not be a problem, though it can lead
# to corrupted configurations in exceptional circumstances
# (such as every line being preceded by the process control
# regex, for whatever reason).
# zathura now allows including other files into its
# main configuration file. That means we can be less
# intrusive about the colorscheme changes and only insert
# the include line, adding any colorscheme options
# in a completely different file.
#
# In general, the processor looks for a specific line in the
# following format:
@ -24,7 +21,9 @@ package="$2"
theme="$3"
permanent="$4"
zathuraconf="$HOME/.config/zathura/zathurarc"
zathura_conf_dir="$HOME/.config/zathura"
zathuraconf="$zathura_conf_dir/zathurarc"
colorscheme_filename="colorscheme"
## Main Entrypoint
#
@ -55,38 +54,16 @@ main() {
save() {
dbg_msg $app "Saving theme"
# following format:
# '# Base16 [theme name] - zathura color config'
# from which it will delete everything until it finds a line:
# '# Base16End [theme name] - zathura color config'
startline="$(grep -ne '^# Base16 .*$' "$zathuraconf" | cut -f1 -d:)"
endline="$(grep -ne '^# Base16End .*- zathura color config$' "$zathuraconf" | cut -f1 -d:)"
tmpfile="$zathuraconf.tmp"
tmptheme="$zathuraconf.thm.tmp"
if [[ -n "$startline" && -z "$endline" ]] || [[ -z "$startline" && -n "$endline" ]] || [[ "$startline" -gt "$endline" ]]; then
dbg_msg $app "error" "Base 16 Pattern not correctly recognized in file: $zathuraconf. Please make sure pattern begins with # Base 16 and ends with # Base 16end and only exists once in the file. No changes to file made."
elif [[ -z "$startline" && -z "$endline" ]]; then
cat "$zathuraconf" >"$tmpfile" || exit 1
if ! $(grep -qe "^include $colorscheme_filename" "$zathuraconf"); then
dbg_msg $app "No include directive for colorscheme file found in configuration file. Adding it now."
printf "\ninclude %s\n" "$colorscheme_filename" >>"$zathuraconf"
else
# remove old lines of any base16 theme
sed -e "$startline,$endline d" "$zathuraconf" >"$tmpfile" || exit 1
dbg_msg $app "Found include directive for colorscheme file. No operation necessary."
fi
# fix template theme name key for easier inclusion
sed -e "s/^colors:/$theme: \&colorscheme/" "$tfile" >"$tmptheme" || exit 1
echo "# Base16End $theme - zathura color config" >>"$tmptheme"
cat "$tfile" >"${zathura_conf_dir}/${colorscheme_filename}" || exit 1
# combine both into final config file
# replace original file with new colorscheme-added version
cat "$tmptheme" "$tmpfile" >"$zathuraconf"
rm "$tmptheme" "$tmpfile"
dbg_msg $app "Saved theme to $zathuraconf"
dbg_msg $app "Saved theme to ${zathura_conf_dir}/${colorscheme_filename}"
}
# Safe sourcing: https://stackoverflow.com/a/12694189