doc/bugs/Utility__47__libkqueue.h_left_out_on_hackage.mdwn

@@ -0,0 +1,56 @@
+### Please describe the problem.
+
+Utility/libkqueue.h is missing from git-annex-8.20210127.tar.gz as hosted on hackage.
+
+```
+SHA256 (/usr/ports/distfiles/hackage/git-annex-8.20210127.tar.gz) = 636f439420f28a92a8250b9f8b422567e439315f3f2d23cb0bea3b0a0e5755c3
+% tar ztf /usr/ports/distfiles/hackage/git-annex-8.20210127.tar.gz | grep libkqu
+git-annex-8.20210127/Utility/libkqueue.c
+```
+
+### What steps will reproduce the problem?
+
+Building on `(! os(solaris) && ! os(gnu) && ! os(linux))` causes a complaint about this file missing.
+
+### What version of git-annex are you using? On what operating system?
+
+git-annex-8.20210127 on OpenBSD 6.8-current amd64
+
+### Please provide any additional information below.
+
+[[!format sh """
+$ doas pkg_add libmagic
+$ cabal get git-annex-8.20210127
+$ cabal v2-build --extra-include-dirs=/usr/local/include --extra-lib-dirs=/usr/local/lib
+...
+  checking UPGRADE_LOCATION... not available
+  checking git... yes
+  checking git version... 2.30.0
+  checking cp -a... yes
+  checking cp -p... yes
+  checking cp --preserve=timestamps... no
+  checking cp --reflink=auto... no
+  checking xargs -0... yes
+  checking rsync... yes
+  checking curl... yes
+  checking bup... no
+  checking nice... yes
+  checking ionice... no
+  checking nocache... no
+  checking gpg... gpg
+  checking lsof... not available
+  checking git-remote-gcrypt... not available
+  checking ssh connection caching... yes
+fatal: not a git repository (or any parent up to mount point /)
+Stopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set).
+Configuring git-annex-8.20210127...
+setup: Missing dependency on a foreign library:
+* Missing (or bad) header file: Utility/libkqueue.h
+...
+"""]]
+
+### Have you had any luck using git-annex before?
+
+Nope, but hopefully packaging up the file will make it a little easier for me to try the next time :)
+
+