Integrate prefered provider mechanism of pkg utility

This commit renames the release packages so they all produce a single
package named "release", creates a preference listing from the
PREFERED_PROVIDER array and lets `pkg buildstrategy` decide what package
to build.

Signed-off-by: David Oberhollenzer <goliath@infraroot.at>

mk.sh

@@ -30,6 +30,7 @@ PACKAGELIST="$BUILDROOT/pkglist"
 REPODIR="$BUILDROOT/repo"
 DEPENDSLIST="$BUILDROOT/depends"
 PROVIDESLIST="$BUILDROOT/provides"
+PREFERESLIST="$BUILDROOT/preferes"
 
 declare -A PREFERED_PROVIDER
 
@@ -71,7 +72,7 @@ done
 
 echo "--- resolving package dependencies ---"
 
-truncate -s 0 $DEPENDSLIST $PROVIDESLIST
+truncate -s 0 "$DEPENDSLIST" "$PROVIDESLIST" "$PREFERESLIST"
 
 for pkg in $SCRIPTDIR/pkg/*; do
 	include_pkg $(basename $pkg)
@@ -84,8 +85,12 @@ for pkg in $SCRIPTDIR/pkg/*; do
 	done
 done
 
-pkg buildstrategy -p "$PROVIDESLIST" -d "$DEPENDSLIST" \
-    "${PREFERED_PROVIDER[release]}" > "$PACKAGELIST"
+for pkg in "${!PREFERED_PROVIDER[@]}"; do
+	echo "$pkg,${PREFERED_PROVIDER[$pkg]}" >> "$PREFERESLIST"
+done
+
+pkg buildstrategy -p "$PROVIDESLIST" -d "$DEPENDSLIST" -P "$PREFERESLIST" \
+    "release" > "$PACKAGELIST"
 cat "$PACKAGELIST"
 
 echo "--- building packages ---"

pkg/release-alix/build

@@ -1,4 +1,5 @@
 DEPENDS="rootfs"
+SUBPKG="release"
 
 build() {
 	pkg install -om -r "$PKGBUILDDIR/$OS_RELEASE" -R "$REPODIR" $DEPENDS
@@ -19,10 +20,8 @@ build() {
 }
 
 deploy() {
-	tar czf "$BUILDROOT/$PKGNAME.tar.gz" *
-
-	touch "$PKGDEPLOYDIR/$PKGNAME.files"
-	touch "$PKGDEPLOYDIR/$PKGNAME.desc"
+	tar czf "$BUILDROOT/release.tar.gz" *
+	touch "$PKGDEPLOYDIR/release.files" "$PKGDEPLOYDIR/release.desc"
 }
 
 check_update() {

pkg/release-qemu/build

@@ -1,4 +1,5 @@
 DEPENDS="rootfs"
+SUBPKG="release"
 
 build() {
 	pkg install -om -r "$PKGBUILDDIR/$OS_RELEASE" -R "$REPODIR" $DEPENDS
@@ -23,10 +24,8 @@ build() {
 }
 
 deploy() {
-	tar czf "$BUILDROOT/$PKGNAME.tar.gz" *
-
-	touch "$PKGDEPLOYDIR/$PKGNAME.files"
-	touch "$PKGDEPLOYDIR/$PKGNAME.desc"
+	tar czf "$BUILDROOT/release.tar.gz" *
+	touch "$PKGDEPLOYDIR/release.files" "$PKGDEPLOYDIR/release.desc"
 }
 
 check_update() {

pkg/release-rpi3/build

@@ -1,4 +1,5 @@
 DEPENDS="rootfs boot-rpi3"
+SUBPKG="release"
 
 build() {
 	pkg install -om -r "$PKGBUILDDIR/boot" -R "$REPODIR" $DEPENDS
@@ -21,10 +22,8 @@ build() {
 }
 
 deploy() {
-	tar czf "$BUILDROOT/$PKGNAME.tar.gz" *
-
-	touch "$PKGDEPLOYDIR/$PKGNAME.files"
-	touch "$PKGDEPLOYDIR/$PKGNAME.desc"
+	tar czf "$BUILDROOT/release.tar.gz" *
+	touch "$PKGDEPLOYDIR/release.files" "$PKGDEPLOYDIR/release.desc"
 }
 
 check_update() {