buildrepo: support for -k option for keep-going

This option will make buildrepo continue build even if some package
fails. It is an 'build what you can' option.

buildrepo.in

@@ -26,6 +26,7 @@ usage() {
 	echo " -d  Set destination repository base dir to REPODIR instead of $repodir"
 	echo " -h  Show this help and exit"
 	echo " -l  Send build to logfile, prefixed by LOGPREFIX"
+	echo " -k  Keep going, even if packages fails"
 	echo " -p  Purge obsolete packages from REPODIR after build"
 	echo " -r  Dependencies are found in DEPREPO"
 	exit 1
@@ -85,7 +86,7 @@ list_needbuild() {
 	cd "$aportsdir/$repo" || return 0
 
 	# first we try copy everything possible and find out which we need
-	# to rebuild. By doing this we might save us for rebuilding 
+	# to rebuild. By doing this we might save us for rebuilding
 	# needed when running 'abuild -R'
 	for apkbuild in */APKBUILD; do
 		[ -f "$aportsdir/$repo/$apkbuild" ] || continue
@@ -131,11 +132,15 @@ do_build() {
 	local needbuild="$(list_needbuild $repo)"
 
 	export REPODEST="$repodir"
+	export ABUILD_BLACKLIST
 	# build the postponed packages if any
 	if [ -n "$needbuild" ]; then
 		for i in $needbuild; do
 			cd "$aportsdir/$repo"/${i%/*} || return 1
-			abuild -k -R || return 1
+			if ! abuild -k -R; then
+				[ -n "$keep_going" ] || return 1
+				ABUILD_BLACKLIST="$ABUILD_BLACKLIST $i"
+			fi
 		done
 	fi
 
@@ -174,11 +179,12 @@ do_build() {
 	rm -f tmp.*
 }
 
-while getopts "a:d:hl:pr:" opt; do
+while getopts "a:d:hkl:pr:" opt; do
 	case "$opt" in
 		a) aportsdir=$OPTARG;;
 		d) repodir=$OPTARG;;
 		h) usage >&2;;
+		k) keep_going=1;;
 		l) logprefix=$OPTARG;;
 		p) dopurge=1;;
 		r) deprepo="$deprepo $OPTARG";;