common: add my hgrc so I can have evolve everywhere

ops/nixos/lib/common.nix

@@ -1,8 +1,10 @@
 { pkgs, depot, lib, rebuilder, ... }:
 let 
-inherit (lib) mkDefault;
+  inherit (lib) mkDefault;
 in
 {
+  imports = [ ./hgrc.nix ];
+
   hardware.enableRedistributableFirmware = true;
 
   nix = {

ops/nixos/lib/hgrc.nix

@@ -0,0 +1,59 @@
+{ pkgs, lib, ... }:
+let 
+  hgrcPkg = pkgs.writeText "lukegb-hgrc" ''
+    [ui]
+    username = Luke Granger-Brown <hg@lukegb.com>
+    interface = curses
+    tweakdefaults = True
+    merge = internal:merge3
+    
+    [alias]
+    log = log --template lukegblogshort --graph
+    xl = log -r 'smartlog()'
+    
+    [revsetalias]
+    # We're interested in the current commit, and any non-extinct commits in the draft or secret phases.
+    smartlogstart() = . | ((draft() | secret()) - extinct())
+    # Now expand smartlogstart to go up to the parent public commit.
+    publichead(r1) = ancestors(r1) - (descendants(public(), 1) and public())
+    smartlogstart() = (parents(not public()) or not public() or . or head()) and (not obsolete() or unstable()^) and not closed()
+    smartlog() = publichead(smartlogstart())::smartlogstart() | smartlogstart()
+    
+    [color]
+    mode = terminfo
+    
+    custom.rev = green bold
+    custom.revprefix = green bold inverse
+    custom.author = red
+    custom.currentcommit_message = magenta
+    custom.bookmarks = bold orange
+    custom.date = lightyellow
+    
+    color.orange = 202
+    color.lightyellow = 191
+    
+    [templates]
+    lukegblogshort = {label('custom.rev', lukegbnode)} {label('custom.date', lukegbdate)} {label('custom.author', lukegbauthor)} {label(ifcontains(rev, revset('.'), 'custom.currentcommit_message', 'custom.message'), lukegbmsg)} {label('custom.bookmarks', bookmarks)}\n
+    lukegbdate = {date|age}
+    lukegbmsg = {desc|firstline}
+    lukegbcopybarain = {sub('^noreply\+([^@]+)@lukegb.com$', 'copybara:\\1', author|email)}
+    lukegbcopybara = {ifcontains(lukegbcopybarain, '@', "", lukegbcopybarain)}
+    lukegbauthor = {ifeq('hg@lukegb.com', author|email, 'lukegb', if(lukegbcopybara, lukegbcopybara, author|email))}
+    lukegbnode = {label('custom.revprefix', lukegbnodesh)}{lukegbnodelng}
+    lukegbnodesh = {node|shortest}
+    lukegbnodelng = {sub('^{lukegbnodesh}', "", '{node|short}')}
+    
+    [extensions]
+    histedit =
+    rebase =
+    strip =
+    remotenames =
+    amend =
+    evolve =
+  '';
+in
+{
+  system.activationScripts.lukegb-hgrc = lib.stringAfter [ "users" "groups" ] ''
+    ln -sfn ${hgrcPkg} /home/lukegb/.hgrc
+  '';
+}