mirror of
https://github.com/moparisthebest/pacman
synced 2024-12-22 15:58:50 -05:00
makepkg: remove subshelling from check_option and friends
Instead of creating a subshell for each of these checks (of which there are many), pass in an expected value and make the check_* function do the comparison for us, returning 0 (match), 1, (mismatch), or 127 (not found). For a measureable benefit, I tested this on a fairly simple package, perl-term-readkey, and counted the number of clone(2) syscalls to try and isolate those generated by makepkg itself, rather than the user defined functions. Results as shown below: 336 before 180 after So, roughly a 50% reduction, which makes sense given that a single check_option() call could be up to 3 subprocesses in total. Signed-off-by: Dave Reisner <dreisner@archlinux.org>
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@ -286,47 +286,67 @@ get_pkg_arch() {
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# Checks to see if options are present in makepkg.conf or PKGBUILD;
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# PKGBUILD options always take precedence.
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#
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# usage : check_option( $option )
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# return : y - enabled
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# n - disabled
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# ? - not found
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# usage : check_option( $option, $expected_val )
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# return : 0 - matches expected
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# 1 - does not match expected
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# 127 - not found
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##
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check_option() {
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local ret=$(in_opt_array "$1" ${options[@]})
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if [[ $ret != '?' ]]; then
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printf "%s\n" "$ret"
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in_opt_array "$1" ${options[@]}
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case $? in
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0) # assert enabled
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[[ $2 = y ]]
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return ;;
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1) # assert disabled
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[[ $2 = n ]]
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return
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fi
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esac
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# fall back to makepkg.conf options
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ret=$(in_opt_array "$1" ${OPTIONS[@]})
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if [[ $ret != '?' ]]; then
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printf "%s\n" "$ret"
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in_opt_array "$1" ${OPTIONS[@]}
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case $? in
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0) # assert enabled
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[[ $2 = y ]]
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return ;;
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1) # assert disabled
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[[ $2 = n ]]
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return
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fi
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esac
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echo '?' # Not Found
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# not found
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return 127
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}
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##
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# Check if option is present in BUILDENV
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#
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# usage : check_buildenv( $option )
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# return : y - enabled
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# n - disabled
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# ? - not found
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# usage : check_buildenv( $option, $expected_val )
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# return : 0 - matches expected
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# 1 - does not match expected
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# 127 - not found
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##
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check_buildenv() {
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in_opt_array "$1" ${BUILDENV[@]}
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case $? in
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0) # assert enabled
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[[ $2 = "y" ]]
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return ;;
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1) # assert disabled
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[[ $2 = "n" ]]
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return ;;
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esac
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# not found
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return 127
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}
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##
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# usage : in_opt_array( $needle, $haystack )
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# return : y - enabled
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# n - disabled
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# ? - not found
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# return : 0 - enabled
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# 1 - disabled
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# 127 - not found
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##
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in_opt_array() {
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local needle=$1; shift
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@ -334,15 +354,16 @@ in_opt_array() {
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local opt
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for opt in "$@"; do
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if [[ $opt = "$needle" ]]; then
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echo 'y' # Enabled
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return
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# enabled
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return 0
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elif [[ $opt = "!$needle" ]]; then
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echo 'n' # Disabled
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return
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# disabled
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return 1
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fi
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done
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echo '?' # Not Found
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# not found
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return 127
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}
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@ -932,12 +953,12 @@ run_function() {
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local pkgfunc="$1"
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# clear user-specified buildflags if requested
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if [[ $(check_option buildflags) = "n" ]]; then
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if check_option "buildflags" "n"; then
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unset CFLAGS CXXFLAGS LDFLAGS
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fi
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# clear user-specified makeflags if requested
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if [[ $(check_option makeflags) = "n" ]]; then
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if check_option "makeflags" "n"; then
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unset MAKEFLAGS
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fi
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@ -984,13 +1005,13 @@ run_function() {
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run_build() {
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# use distcc if it is requested (check buildenv and PKGBUILD opts)
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if [[ $(check_buildenv distcc) = "y" && $(check_option distcc) != "n" ]]; then
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if check_buildenv "distcc" "y" && ! check_option "distc" "n"; then
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[[ -d /usr/lib/distcc/bin ]] && export PATH="/usr/lib/distcc/bin:$PATH"
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export DISTCC_HOSTS
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fi
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# use ccache if it is requested (check buildenv and PKGBUILD opts)
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if [[ $(check_buildenv ccache) = "y" && $(check_option ccache) != "n" ]]; then
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if check_buildenv "ccache" "y" && ! check_option "ccache" "n"; then
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[[ -d /usr/lib/ccache/bin ]] && export PATH="/usr/lib/ccache/bin:$PATH"
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fi
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@ -1016,12 +1037,12 @@ tidy_install() {
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cd_safe "$pkgdir"
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msg "$(gettext "Tidying install...")"
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if [[ $(check_option docs) = "n" && -n ${DOC_DIRS[*]} ]]; then
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if check_option "docs" "n" && [[ -n ${DOC_DIRS[*]} ]]; then
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msg2 "$(gettext "Removing doc files...")"
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rm -rf -- ${DOC_DIRS[@]}
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fi
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if [[ $(check_option purge) = "y" && -n ${PURGE_TARGETS[*]} ]]; then
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if check_option "purge" "y" && [[ -n ${PURGE_TARGETS[*]} ]]; then
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msg2 "$(gettext "Purging unwanted files...")"
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local pt
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for pt in "${PURGE_TARGETS[@]}"; do
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@ -1033,7 +1054,7 @@ tidy_install() {
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done
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fi
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if [[ $(check_option zipman) = "y" && -n ${MAN_DIRS[*]} ]]; then
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if check_option "zipman" "y" && [[ -n ${MAN_DIRS[*]} ]]; then
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msg2 "$(gettext "Compressing man and info pages...")"
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local manpage ext file link hardlinks hl
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find ${MAN_DIRS[@]} -type f 2>/dev/null |
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@ -1069,7 +1090,7 @@ tidy_install() {
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done
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fi
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if [[ $(check_option strip) = "y" ]]; then
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if check_option "strip" "y"; then
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msg2 "$(gettext "Stripping unneeded symbols from binaries and libraries...")"
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# make sure library stripping variables are defined to prevent excess stripping
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[[ -z ${STRIP_SHARED+x} ]] && STRIP_SHARED="-S"
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@ -1087,17 +1108,17 @@ tidy_install() {
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done
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fi
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if [[ $(check_option libtool) = "n" ]]; then
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if check_option "libtool" "n"; then
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msg2 "$(gettext "Removing "%s" files...")" "libtool"
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find . ! -type d -name "*.la" -exec rm -f -- '{}' \;
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fi
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if [[ $(check_option emptydirs) = "n" ]]; then
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if check_option "emptydirs" "n"; then
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msg2 "$(gettext "Removing empty directories...")"
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find . -depth -type d -empty -delete
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fi
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if [[ $(check_option upx) = "y" ]]; then
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if check_option "upx" "y"; then
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msg2 "$(gettext "Compressing binaries with %s...")" "UPX"
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local binary
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find . -type f -perm -u+w 2>/dev/null | while read binary ; do
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@ -1256,14 +1277,15 @@ write_pkginfo() {
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done
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for it in "${packaging_options[@]}"; do
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local ret="$(check_option $it)"
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if [[ $ret != "?" ]]; then
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if [[ $ret = "y" ]]; then
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check_option "$it" "y"
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case $? in
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0)
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printf "makepkgopt = %s\n" "$it"
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else
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;;
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1)
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printf "makepkgopt = %s\n" "!$it"
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fi
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fi
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;;
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esac
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done
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check_license
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@ -1673,7 +1695,7 @@ check_software() {
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fi
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# fakeroot - building as non-root user
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if [[ $(check_buildenv fakeroot) = "y" ]] && (( EUID > 0 )); then
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if check_buildenv "fakeroot" "y" && (( EUID > 0 )); then
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if ! type -p fakeroot >/dev/null; then
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error "$(gettext "Cannot find the %s binary required for building as non-root user.")" "fakeroot"
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ret=1
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@ -1681,7 +1703,7 @@ check_software() {
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fi
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# gpg - package signing
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if [[ $SIGNPKG == 'y' || (-z "$SIGNPKG" && $(check_buildenv sign) == 'y') ]]; then
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if [[ $SIGNPKG == 'y' ]] || { [[ -z $SIGNPKG ]] && check_buildenv "sign" "y"; }; then
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if ! type -p gpg >/dev/null; then
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error "$(gettext "Cannot find the %s binary required for signing packages.")" "gpg"
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ret=1
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@ -1705,7 +1727,7 @@ check_software() {
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fi
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# upx - binary compression
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if [[ $(check_option upx) == 'y' ]]; then
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if check_option "upx" "y"; then
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if ! type -p upx >/dev/null; then
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error "$(gettext "Cannot find the %s binary required for compressing binaries.")" "upx"
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ret=1
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@ -1713,7 +1735,7 @@ check_software() {
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fi
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# distcc - compilation with distcc
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if [[ $(check_buildenv distcc) = "y" && $(check_option distcc) != "n" ]]; then
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if check_buildenv "distcc" "y" && ! check_option "distcc" "n" ]]; then
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if ! type -p distcc >/dev/null; then
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error "$(gettext "Cannot find the %s binary required for distributed compilation.")" "distcc"
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ret=1
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@ -1721,7 +1743,7 @@ check_software() {
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fi
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# ccache - compilation with ccache
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if [[ $(check_buildenv ccache) = "y" && $(check_option ccache) != "n" ]]; then
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if check_buildenv "ccache" "y" && ! check_option "ccache" "n"; then
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if ! type -p ccache >/dev/null; then
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error "$(gettext "Cannot find the %s binary required for compiler cache usage.")" "ccache"
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ret=1
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@ -1729,7 +1751,7 @@ check_software() {
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fi
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# strip - strip symbols from binaries/libraries
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if [[ $(check_option strip) = "y" ]]; then
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if check_option "strip" "y"; then
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if ! type -p strip >/dev/null; then
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error "$(gettext "Cannot find the %s binary required for object file stripping.")" "strip"
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ret=1
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@ -1737,7 +1759,7 @@ check_software() {
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fi
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# gzip - compressig man and info pages
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if [[ $(check_option zipman) = "y" ]]; then
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if check_option "zipman" "y"; then
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if ! type -p gzip >/dev/null; then
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error "$(gettext "Cannot find the %s binary required for compressing man and info pages.")" "gzip"
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ret=1
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@ -2077,7 +2099,7 @@ PACMAN=${PACMAN:-pacman}
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# check if messages are to be printed using color
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unset ALL_OFF BOLD BLUE GREEN RED YELLOW
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if [[ -t 2 && ! $USE_COLOR = "n" && $(check_buildenv color) = "y" ]]; then
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if [[ -t 2 && ! $USE_COLOR = "n" ]] && check_buildenv "color" "y"; then
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# prefer terminal safe colored and bold text when tput is supported
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if tput setaf 0 &>/dev/null; then
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ALL_OFF="$(tput sgr0)"
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@ -2161,7 +2183,7 @@ use the %s option.")" "makepkg" "--asroot"
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error "$(gettext "The %s option is meant for the root user only. Please\n\
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rerun %s without the %s flag.")" "--asroot" "makepkg" "--asroot"
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exit 1 # $E_USER_ABORT
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elif (( EUID > 0 )) && [[ $(check_buildenv fakeroot) != "y" ]]; then
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elif (( EUID > 0 )) && ! check_buildenv "fakeroot" "y"; then
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warning "$(gettext "Running %s as an unprivileged user will result in non-root\n\
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ownership of the packaged files. Try using the %s environment by\n\
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placing %s in the %s array in %s.")" "makepkg" "fakeroot" "'fakeroot'" "BUILDENV" "$MAKEPKG_CONF"
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@ -2245,7 +2267,7 @@ if declare -f build >/dev/null; then
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fi
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if declare -f check >/dev/null; then
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# "Hide" check() function if not going to be run
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if [[ $RUN_CHECK = 'y' || (! $(check_buildenv check) = "n" && ! $RUN_CHECK = "n") ]]; then
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if [[ $RUN_CHECK = 'y' ]] || { ! check_buildenv "check" "n" && [[ $RUN_CHECK != "n" ]]; }; then
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CHECKFUNC=1
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fi
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fi
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@ -2261,8 +2283,7 @@ if [[ -n "${PKGLIST[@]}" ]]; then
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fi
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# check if gpg signature is to be created and if signing key is valid
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[[ -z $SIGNPKG ]] && SIGNPKG=$(check_buildenv sign)
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if [[ $SIGNPKG == 'y' ]]; then
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if { [[ -z $SIGNPKG ]] && check_buildenv "sign" "y"; } || [[ $SIGNPKG == 'y' ]]; then
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if ! gpg --list-key ${GPGKEY} &>/dev/null; then
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if [[ ! -z $GPGKEY ]]; then
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error "$(gettext "The key %s does not exist in your keyring.")" "${GPGKEY}"
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@ -2376,7 +2397,7 @@ if (( SOURCEONLY )); then
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cd_safe "$startdir"
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# if we are root or if fakeroot is not enabled, then we don't use it
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if [[ $(check_buildenv fakeroot) != "y" ]] || (( EUID == 0 )); then
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if ! check_buildenv "fakeroot" "y" || (( EUID == 0 )); then
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create_srcpackage
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else
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enter_fakeroot
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@ -2468,7 +2489,7 @@ else
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cd_safe "$startdir"
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# if we are root or if fakeroot is not enabled, then we don't use it
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if [[ $(check_buildenv fakeroot) != "y" ]] || (( EUID == 0 )); then
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if ! check_buildenv "fakeroot" "y" || (( EUID == 0 )); then
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if (( ! REPKG )); then
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devel_update
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(( BUILDFUNC )) && run_build
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