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#!/usr/bin/bash
#
# optipng.sh - Compress PNG files using optpng
#
[[ -n "$LIBMAKEPKG_TIDY_OPTIPNG_SH" ]] && return
LIBMAKEPKG_TIDY_OPTIPNG_SH=1
LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
source "$LIBRARY/util/message.sh"
source "$LIBRARY/util/option.sh"
packaging_options+=('optipng')
tidy_modify+=('tidy_optipng')
tidy_optipng() {
if check_option "optipng" "y"; then
msg2 "$(gettext "Optimizing PNG images...")"
local png
find . -type f -iname "*.png" 2>/dev/null | while read -r png ; do
[ $(jobs -p|wc -l) -gt $(getconf _NPROCESSORS_ONLN) ] && wait -n
if [[ $(file --brief --mime-type "$png") = 'image/png' ]]; then
{ optipng "${OPTIPNGFLAGS[@]}" "$png" &>/dev/null ||
warning "$(gettext "Could not optimize PNG image : %s")" "${png/$pkgdir\//}"; } &
fi
done
wait
fi
}
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