xbps-src: replace basename(1) with ${var##*/}.

Reduce number of fork+exec due to using a subshell to execute basename(1).

common/hooks/do-fetch/00-distfiles.sh

@@ -55,7 +55,7 @@ try_mirrors() {
 	local curfile="$1" distfile="$2" dfcount="$3" subdir="$4" f="$5"
 	local filesum cksum basefile mirror path scheme
 	[ -z "$XBPS_DISTFILES_MIRROR" ] && return
-	basefile="$(basename $f)"
+	basefile="${f##*/}"
 	cksum=$(get_cksum $curfile $dfcount)
 	for mirror in $XBPS_DISTFILES_MIRROR; do
 		scheme="file"

common/hooks/post-extract/00-patches.sh

@@ -4,7 +4,8 @@ _process_patch() {
 	local _args= _patch= i=$1
 
 	_args="-Np0"
-	_patch=$(basename $i)
+	_patch=${i##*/}
+
 	if [ -f $PATCHESDIR/${_patch}.args ]; then
 		_args=$(cat $PATCHESDIR/${_patch}.args)
 	elif [ -n "$patch_args" ]; then

common/hooks/post-install/00-compress-info-files.sh

@@ -32,7 +32,7 @@ hook() {
 		if [ -h ${PKGDESTDIR}/"$j" ]; then
 			dirat=$(dirname "$j")
 			lnkat=$(readlink ${PKGDESTDIR}/"$j")
-			newlnk=$(basename "$j")
+			newlnk="${j##*/}"
 			rm -f ${PKGDESTDIR}/"$j"
 			cd ${PKGDESTDIR}/"$dirat"
 			ln -s "${lnkat}".gz "${newlnk}".gz

common/hooks/post-install/04-create-xbps-metadata-scripts.sh

@@ -205,7 +205,7 @@ _EOF
 	if [ -d ${PKGDESTDIR}/usr/share/gconf/schemas ]; then
 		_add_trigger gconf-schemas
 		for f in ${PKGDESTDIR}/usr/share/gconf/schemas/*.schemas; do
-			_schemas="${_schemas} $(basename $f)"
+			_schemas="${_schemas} ${f##*/}"
 		done
 		echo "export gconf_schemas=\"${_schemas}\"" >> $tmpf
 	fi

common/hooks/post-install/06-strip-and-debug-pkgs.sh

@@ -8,7 +8,7 @@ make_debug() {
 	[ -n "$nodebug" ] && return 0
 
 	dname=$(echo "$(dirname $1)"|sed -e "s|${PKGDESTDIR}||g")
-	fname="$(basename $1)"
+	fname="${1##*/}"
 	dbgfile="${dname}/${fname}"
 
 	mkdir -p "${PKGDESTDIR}/usr/lib/debug/${dname}"
@@ -27,7 +27,7 @@ attach_debug() {
 	[ -n "$nodebug" ] && return 0
 
 	dname=$(echo "$(dirname $1)"|sed -e "s|${PKGDESTDIR}||g")
-	fname="$(basename $1)"
+	fname="${1##*/}"
 	dbgfile="${dname}/${fname}"
 
 	$OBJCOPY --add-gnu-debuglink="${PKGDESTDIR}/usr/lib/debug/${dbgfile}" "$1"
@@ -69,7 +69,7 @@ hook() {
 			continue
 		fi
 
-		fname=$(basename "$f")
+		fname=${f##*/}
 		for x in ${nostrip_files}; do
 			if [ "$x" = "$fname" ]; then
 				found=1

common/hooks/pre-configure/02-script-wrapper.sh

@@ -79,8 +79,12 @@ _EOF
 }
 
 install_wrappers() {
+	local fname
+
 	for f in ${XBPS_COMMONDIR}/wrappers/*.sh; do
-		install -m0755 ${f} ${XBPS_WRAPPERDIR}/$(basename ${f%.sh})
+		fname=${f##*/}
+		fname=${fname%.sh}
+		install -m0755 ${f} ${XBPS_WRAPPERDIR}/${fname}
 	done
 }
 

common/hooks/pre-pkg/06-shlib-provides.sh

@@ -13,7 +13,7 @@ collect_sonames() {
 
 	# real pkg
 	find ${_destdir} -type f -name "*.so*" | while read f; do
-		_fname=$(basename "$f")
+		_fname="${f##*/}"
 		case "$(file -bi "$f")" in
 		application/x-sharedlib*)
 			# shared library