NixOS
diff --git a/Makefile b/Makefile
@@ -10,7 +10,6 @@ makefiles = \
   src/nix/local.mk \
   src/resolve-system-dependencies/local.mk \
   scripts/local.mk \
-  corepkgs/local.mk \
   misc/bash/local.mk \
   misc/systemd/local.mk \
   misc/launchd/local.mk \

diff --git a/README.md b/README.md
@@ -20,7 +20,7 @@ Information on additional installation methods is available on the [Nix download
 
 ## Building And Developing
 
-See our [Hacking guide](https://hydra.nixos.org/job/nix/master/build.x86_64-linux/latest/download-by-type/doc/manual/hacking.html) in our manual for instruction on how to
+See our [Hacking guide](https://hydra.nixos.org/job/nix/master/build.x86_64-linux/latest/download-by-type/doc/manual/contributing/hacking.html) in our manual for instruction on how to
 build nix from source with nix-build or how to get a development environment.
 
 ## Additional Resources

diff --git a/configure.ac b/configure.ac
@@ -174,9 +174,9 @@ PKG_CHECK_MODULES([OPENSSL], [libcrypto], [CXXFLAGS="$OPENSSL_CFLAGS $CXXFLAGS"]
 
 # Look for libbz2, a required dependency.
 AC_CHECK_LIB([bz2], [BZ2_bzWriteOpen], [true],
-  [AC_MSG_ERROR([Nix requires libbz2, which is part of bzip2.  See https://web.archive.org/web/20180624184756/http://www.bzip.org/.])])
+  [AC_MSG_ERROR([Nix requires libbz2, which is part of bzip2.  See https://sourceware.org/bzip2/.])])
 AC_CHECK_HEADERS([bzlib.h], [true],
-  [AC_MSG_ERROR([Nix requires libbz2, which is part of bzip2.  See https://web.archive.org/web/20180624184756/http://www.bzip.org/.])])
+  [AC_MSG_ERROR([Nix requires libbz2, which is part of bzip2.  See https://sourceware.org/bzip2/.])])
 # Checks for libarchive
 PKG_CHECK_MODULES([LIBARCHIVE], [libarchive >= 3.1.2], [CXXFLAGS="$LIBARCHIVE_CFLAGS $CXXFLAGS"])
 # Workaround until https://github.com/libarchive/libarchive/issues/1446 is fixed

diff --git a/corepkgs/local.mk b/corepkgs/local.mk
diff --git a/doc/manual/generate-manpage.nix b/doc/manual/generate-manpage.nix
@@ -20,11 +20,6 @@ let
            (attrNames def.commands))
          + "\n"
        else "")
-    + (if def.examples or [] != []
-       then
-         "# Examples\n\n"
-         + concatStrings (map ({ description, command }: "${description}\n\n```console\n${command}\n```\n\n") def.examples)
-       else "")
     + (if def ? doc
        then def.doc + "\n\n"
        else "")
@@ -43,7 +38,7 @@ let
         if flag.category or "" != "config"
         then
           "  - `--${longName}`"
-          + (if flag ? shortName then " / `${flag.shortName}`" else "")
+          + (if flag ? shortName then " / `-${flag.shortName}`" else "")
           + (if flag ? labels then " " + (concatStringsSep " " (map (s: "*${s}*") flag.labels)) else "")
           + "  \n"
           + "    " + flag.description + "\n\n"

diff --git a/doc/manual/src/SUMMARY.md.in b/doc/manual/src/SUMMARY.md.in
@@ -66,7 +66,9 @@
   - [Files](command-ref/files.md)
     - [nix.conf](command-ref/conf-file.md)
 - [Glossary](glossary.md)
-- [Hacking](hacking.md)
+- [Contributing](contributing/contributing.md)
+  - [Hacking](contributing/hacking.md)
+  - [CLI guideline](contributing/cli-guideline.md)
 - [Release Notes](release-notes/release-notes.md)
   - [Release 2.3 (2019-09-04)](release-notes/rl-2.3.md)
   - [Release 2.2 (2019-01-11)](release-notes/rl-2.2.md)