When populating the dvd/packages/ directory, create

a symlink to All/pkg-*.txz in the Latest/ directory.

This allows 'pkg bootstrap' to work out-of-box if
the REPOS_DIR environment is properly set.

Tested on:	stable/10@r271848
MFC after:	3 days
X-MFC-10.1:	yes
Sponsored by:	The FreeBSD Foundation

release/scripts/pkg-stage.sh

@@ -50,6 +50,12 @@ ${PKGCMD} -vv
 ${PKGCMD} update -f
 ${PKGCMD} fetch -o ${PKG_REPODIR} -d ${DVD_PACKAGES}
 
+# Create the 'Latest/pkg.txz' symlink so 'pkg bootstrap' works
+# using the on-disc packages.
+mkdir -p ${PKG_REPODIR}/Latest
+(cd ${PKG_REPODIR}/Latest && \
+	ln -s ../All/$(${PKGCMD} rquery %n-%v pkg).txz pkg.txz)
+
 ${PKGCMD} repo ${PKG_REPODIR}
 
 # Always exit '0', even if pkg(8) complains about conflicts.