add apk-verify(8)

doc/Makefile

@@ -18,6 +18,7 @@ docs: $(obj)/apk.8 \
 	$(obj)/apk-policy.8 \
 	$(obj)/apk-update.8 \
 	$(obj)/apk-upgrade.8 \
+	$(obj)/apk-verify.8 \
 	$(obj)/apk-repositories.5 \
 	$(obj)/apk-world.5
 targets += docs

doc/apk-verify.8.scd

@@ -0,0 +1,28 @@
+apk-verify(8)
+
+# NAME
+
+apk verify - verify package integrity and signature
+
+# SYNOPSIS
+
+*apk verify* [<_options_>...] _files_...
+
+# DESCRIPTION
+
+*apk verify* verifies the integrity of the package files specified, validating
+the checksums and cryptographic signature.
+
+*apk verify* prints a summary of the results on stdout, and exits with status
+code zero if all packages were successfully verified. If any failed, *apk
+verify* exits with a nonzero status.
+
+# OPTIONS
+
+*apk verify* does not support any specific options. See *apk*(8) for global
+options.
+
+# AUTHORS
+
+Natanael Copa <ncopa@alpinelinux.org>++
+Timo Teräs <_timo.teras@iki.fi_>