add apk-policy(8)

doc/Makefile

@@ -12,6 +12,7 @@ docs: $(obj)/apk.8 \
 	$(obj)/apk-fix.8 \
 	$(obj)/apk-info.8 \
 	$(obj)/apk-list.8 \
+	$(obj)/apk-policy.8 \
 	$(obj)/apk-update.8 \
 	$(obj)/apk-upgrade.8 \
 	$(obj)/apk-repositories.5 \

doc/apk-policy.8.scd

@@ -0,0 +1,25 @@
+apk-policy(8)
+
+# NAME
+
+apk policy - show repository policy for packages
+
+# SYNOPSIS
+
+*apk policy* [<_options_>...] _packages_...
+
+# DESCRIPTION
+
+*apk policy* shows apk's repository policy for the specified packages. It
+prints matching packages and their versions available from configured
+repositories (see *apk-repositories*(5)), in order of installation preference.
+
+# OPTIONS
+
+*apk policy* does not support any specific options. See *apk*(8) for global
+options.
+
+# AUTHORS
+
+Natanael Copa <ncopa@alpinelinux.org>++
+Timo Teräs <_timo.teras@iki.fi_>