add apk-dot(8)

doc/Makefile

@@ -8,6 +8,7 @@ docs: $(obj)/apk.8 \
 	$(obj)/apk-add.8 \
 	$(obj)/apk-cache.8 \
 	$(obj)/apk-del.8 \
+	$(obj)/apk-dot.8 \
 	$(obj)/apk-fix.8 \
 	$(obj)/apk-info.8 \
 	$(obj)/apk-list.8 \

doc/apk-dot.8.scd

@@ -0,0 +1,29 @@
+apk-dot(8)
+
+# NAME
+
+apk dot - generate graphviz graphs
+
+# SYNOPSIS
+
+*apk dot* [<_options_>...] [_pkgmask_...]
+
+# DESCRIPTION
+
+*apk dot* generates graphviz dependency graphs for packages matching the masks
+specified, or for every known package if unspecified (this will generate a
+large and unwieldy graph).
+
+# OPTIONS
+
+*--errors*
+	Graph only relationships considered erroneous, e.g. cycles and missing
+	packages.
+
+*--installed*
+	Consider only installed packages.
+
+# AUTHORS
+
+Natanael Copa <ncopa@alpinelinux.org>++
+Timo Teräs <_timo.teras@iki.fi_>