version: Added "dependency versions" line.

This commit was sponsored by Anthony DeRobertis on Patreon.

BuildInfo.hs

@@ -0,0 +1,113 @@
+{- git-annex build info reporting
+ -
+ - Copyright 2013-2017 Joey Hess <id@joeyh.name>
+ -
+ - Licensed under the GNU GPL version 3 or higher.
+ -}
+
+{-# LANGUAGE CPP #-}
+
+module BuildInfo where
+
+import Data.List
+import qualified Data.CaseInsensitive as CI
+
+buildFlags :: [String]
+buildFlags = filter (not . null)
+	[ ""
+#ifdef WITH_ASSISTANT
+	, "Assistant"
+#else
+#warning Building without the assistant.
+#endif
+#ifdef WITH_WEBAPP
+	, "Webapp"
+#else
+#warning Building without the webapp. You probably need to install Yesod..
+#endif
+#ifdef WITH_PAIRING
+	, "Pairing"
+#else
+#warning Building without local pairing.
+#endif
+#ifdef WITH_TESTSUITE
+	, "Testsuite"
+#else
+#warning Building without the testsuite.
+#endif
+#ifdef WITH_S3
+	, "S3"
+#if MIN_VERSION_aws(0,10,6)
+		++ "(multipartupload)"
+#endif
+#if MIN_VERSION_aws(0,13,0)
+		++ "(storageclasses)"
+#endif
+#else
+#warning Building without S3.
+#endif
+#ifdef WITH_WEBDAV
+	, "WebDAV"
+#else
+#warning Building without WebDAV.
+#endif
+#ifdef WITH_INOTIFY
+	, "Inotify"
+#endif
+#ifdef WITH_FSEVENTS
+	, "FsEvents"
+#endif
+#ifdef WITH_KQUEUE
+	, "Kqueue"
+#endif
+#ifdef WITH_DBUS
+	, "DBus"
+#endif
+#ifdef WITH_DESKTOP_NOTIFY
+	, "DesktopNotify"
+#endif
+#ifdef WITH_CONCURRENTOUTPUT
+	, "ConcurrentOutput"
+#else
+#warning Building without ConcurrentOutput
+#endif
+#ifdef WITH_TORRENTPARSER
+	, "TorrentParser"
+#endif
+#ifdef WITH_MAGICMIME
+	, "MagicMime"
+#endif
+	-- Always enabled now, but users may be used to seeing these flags
+	-- listed.
+	, "Feeds"
+	, "Quvi"
+	]
+
+-- Not a complete list, let alone a listing transitive deps, but only
+-- the ones that are often interesting to know.
+dependencyVersions :: [String]
+dependencyVersions = map fmt $ sortOn (CI.mk . fst)
+	[ ("feed", VERSION_feed)
+	, ("uuid", VERSION_uuid)
+	, ("bloomfilter", VERSION_bloomfilter)
+	, ("http-client", VERSION_http_client)
+	, ("persistent-sqlite", VERSION_persistent_sqlite)
+	, ("cryptonite", VERSION_cryptonite)
+#ifdef WITH_S3
+	, ("aws", VERSION_aws)
+#endif
+#ifdef WITH_WEBDAV
+	, ("DAV", VERSION_DAV)
+#endif
+#ifdef WITH_TORRENTPARSER
+	, ("torrent", VERSION_torrent)
+#endif
+#ifdef WITH_WEBAPP
+	, ("yesod", VERSION_yesod)
+#endif 
+#ifdef TOOL_VERSION_ghc
+	, ("ghc", TOOL_VERSION_ghc)
+#endif
+	]
+  where
+	fmt (p, v) = p ++ "-" ++ v