From: Christian Hesse <mail@eworm.de> This can decrease package size by optimizing PNG image size. Images are just stored with better compression and/or filter options. The actual image content is not altered. Additionally this can automatically fix broken PNG images which caused some trouble lately. Signed-off-by: Christian Hesse <mail@eworm.de> --- contrib/PKGBUILD.vim | 2 +- doc/PKGBUILD.5.txt | 3 +++ doc/makepkg.conf.5.txt | 6 +++++- etc/makepkg.conf.in | 5 +++-- scripts/makepkg.sh.in | 21 ++++++++++++++++++++- 5 files changed, 32 insertions(+), 5 deletions(-) diff --git a/contrib/PKGBUILD.vim b/contrib/PKGBUILD.vim index 9157063..4d520ac 100644 --- a/contrib/PKGBUILD.vim +++ b/contrib/PKGBUILD.vim @@ -211,7 +211,7 @@ hi def link pbValidSha512sums Number " options syn keyword pb_k_options options contained -syn match pbOptions /\(no\)\?\(strip\|docs\|libtool\|emptydirs\|zipman\|purge\|upx\|fakeroot\|distcc\|color\|ccache\|check\|sign\|makeflags\|buildflags\)/ contained +syn match pbOptions /\(no\)\?\(strip\|docs\|libtool\|emptydirs\|zipman\|purge\|upx\|optipng\|fakeroot\|distcc\|color\|ccache\|check\|sign\|makeflags\|buildflags\)/ contained syn match pbOptionsNeg /\!/ contained syn match pbOptionsDeprec /no/ contained syn region pbOptionsGroup start=/^options=(/ end=/)/ contains=pb_k_options,pbOptions,pbOptionsNeg,pbOptionsDeprec,pbIllegalOption diff --git a/doc/PKGBUILD.5.txt b/doc/PKGBUILD.5.txt index c95c41d..10980ab 100644 --- a/doc/PKGBUILD.5.txt +++ b/doc/PKGBUILD.5.txt @@ -296,6 +296,9 @@ underscore and the architecture name e.g., 'replaces_x86_64=()'. *upx*;; Compress binary executable files using UPX. + *optipng*;; + Optimize PNG images with optipng. + *ccache*;; Allow the use of ccache during build. More useful in its negative form `!ccache` with select packages that have problems building diff --git a/doc/makepkg.conf.5.txt b/doc/makepkg.conf.5.txt index 5e34b91..ac5791f 100644 --- a/doc/makepkg.conf.5.txt +++ b/doc/makepkg.conf.5.txt @@ -140,7 +140,7 @@ Options Specify a key to use for GPG signing instead of the default key in the keyring. Can be overridden with makepkg's '\--key' option. -**OPTIONS=(**strip docs libtool staticlibs emptydirs zipman purge !upx**)**:: +**OPTIONS=(**strip docs libtool staticlibs emptydirs zipman purge !upx !optipng**)**:: This array contains options that affect default packaging. They are equivalent to options that can be placed in the PKGBUILD; the defaults are shown here. All options should always be left in the array; to enable or @@ -181,6 +181,10 @@ Options Compress binary executable files using UPX. Additional options can be passed to UPX by specifying the `UPXFLAGS` array variable. + *optipng*;; + Optimize PNG images with optipng. Additional options can be passed + to optipng by specifying the `OPTIPNGFLAGS` array variable. + *debug*;; Add the user-specified debug flags as specified in DEBUG_CFLAGS and DEBUG_CXXFLAGS to their counterpart buildflags. Creates a separate diff --git a/etc/makepkg.conf.in b/etc/makepkg.conf.in index 19f673d..71ec624 100644 --- a/etc/makepkg.conf.in +++ b/etc/makepkg.conf.in @@ -71,7 +71,7 @@ BUILDENV=(!distcc color !ccache check !sign) # These are default values for the options=() settings ######################################################################### # -# Default: OPTIONS=(strip docs libtool staticlibs emptydirs zipman purge !upx !debug) +# Default: OPTIONS=(strip docs libtool staticlibs emptydirs zipman purge !upx !optipng !debug) # A negated option will do the opposite of the comments below. # #-- strip: Strip symbols from binaries/libraries @@ -82,9 +82,10 @@ BUILDENV=(!distcc color !ccache check !sign) #-- zipman: Compress manual (man and info) pages in MAN_DIRS with gzip #-- purge: Remove files specified by PURGE_TARGETS #-- upx: Compress binary executable files using UPX +#-- optipng: Optimize PNG images with optipng #-- debug: Add debugging flags as specified in DEBUG_* variables # -OPTIONS=(strip docs libtool staticlibs emptydirs zipman purge !upx !debug) +OPTIONS=(strip docs libtool staticlibs emptydirs zipman purge !upx !optipng !debug) #-- File integrity checks to use. Valid: md5, sha1, sha256, sha384, sha512 INTEGRITY_CHECK=(md5) diff --git a/scripts/makepkg.sh.in b/scripts/makepkg.sh.in index 72f5b04..ee940e5 100644 --- a/scripts/makepkg.sh.in +++ b/scripts/makepkg.sh.in @@ -49,7 +49,7 @@ declare -r startdir="$PWD" LIBRARY=${LIBRARY:-'@libmakepkgdir@'} packaging_options=('strip' 'docs' 'libtool' 'staticlibs' 'emptydirs' 'zipman' - 'purge' 'upx' 'debug') + 'purge' 'upx' 'optipng' 'debug') other_options=('ccache' 'distcc' 'buildflags' 'makeflags') splitpkg_overrides=('pkgdesc' 'arch' 'url' 'license' 'groups' 'depends' 'optdepends' 'provides' 'conflicts' 'replaces' 'backup' @@ -1918,6 +1918,17 @@ tidy_install() { fi done fi + + 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 + if [[ $(file --brief --mime-type "$png") = 'image/png' ]]; then + optipng "${OPTIPNGFLAGS[@]}" "$png" &>/dev/null || + warning "$(gettext "Could not optimize PNG image : %s")" "${png/$pkgdir\//}" + fi + done + fi } find_libdepends() { @@ -3008,6 +3019,14 @@ check_software() { fi fi + # optipng - PNG image optimization + if check_option "optipng" "y"; then + if ! type -p optipng >/dev/null; then + error "$(gettext "Cannot find the %s binary required for optimizing PNG images.")" "optipng" + ret=1 + fi + fi + # distcc - compilation with distcc if check_buildenv "distcc" "y" && ! check_option "distcc" "n"; then if ! type -p distcc >/dev/null; then -- 2.2.2