nixpkgs/pkgs/development/libraries/gtk/hooks/clean-immodules-cache.sh

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# shellcheck shell=bash
fixupOutputHooks+=(_gtkCleanImmodulesCache)
# Clean comments that link to generator of the file
_gtkCleanImmodulesCache() {
# gtk_module_path is where the modules are installed
# https://gitlab.gnome.org/GNOME/gtk/-/blob/3.24.24/gtk/gtkmodules.c#L68
# gtk_binary_version can be retrived with:
# pkg-config --variable=gtk_binary_version gtk+-3.0
local f="${prefix:?}/lib/@gtk_module_path@/@gtk_binary_version@/immodules.cache"
if [ -f "$f" ]; then
sed 's|Created by .*bin/gtk-query-|Created by bin/gtk-query-|' -i "$f"
fi
}