ruby: retry to build for *-musl

chroot: copy UTC as localtime as fallback if /etc/localtime does not exist.
It looks as if ruby's rdoc was failing in a function using /etc/localtime.

common/xbps-src/shutils/chroot.sh

@@ -82,7 +82,11 @@ chroot_prepare() {
     fi
 
     # Create some required files.
-    [ -f /etc/localtime ] && cp -f /etc/localtime $XBPS_MASTERDIR/etc
+    if [ -f /etc/localtime ]; then
+        cp -f /etc/localtime $XBPS_MASTERDIR/etc
+    elif [ -f /usr/share/zoneinfo/UTC ]; then
+        cp -f /usr/share/zoneinfo/UTC $XBPS_MASTERDIR/etc/localtime
+    fi
 
     for f in dev sys proc host boot; do
         [ ! -d $XBPS_MASTERDIR/$f ] && mkdir -p $XBPS_MASTERDIR/$f

srcpkgs/ruby/template

@@ -19,12 +19,6 @@ hostmakedepends="pkg-config bison groff doxygen graphviz"
 makedepends="zlib-devel readline-devel libffi-devel libressl-devel
  gdbm-devel libyaml-devel pango-devel"
 
-case "$XBPS_TARGET_MACHINE" in
-	*-musl)	# Broken on the builders but successfully built locally
-		broken="https://build.voidlinux.eu/builders/x86_64-musl_builder/builds/6630/steps/shell_3/logs/stdio"
-		;;
-esac
-
 if [ "$CROSS_BUILD" ]; then
 	hostmakedepends+=" ruby"
 fi