Add lua hooks for new hook syntax

content/config/home-manager/home.nix.tmpl

@@ -25,10 +25,6 @@
     librewolf
     spotify
 
-
-    # other dev tools
-    insomnia
-
     # fonts
     fontconfig
     (nerdfonts.override {

hooks/home-manager.hook.lua

@@ -0,0 +1,66 @@
+local utils = require 'utils'
+local silo = require 'silo'
+local log = require 'log'
+
+local exports = {}
+
+local shasum = utils.ext_piped "shasum"
+local ha_checksum = ""
+
+
+if utils.nu("'" .. silo.dirs.config .. "/home-manager/home.nix' | path exists") == "true\n" then
+  ha_checksum = (shasum { silo.dirs.config .. "/home-manager/home.nix" }).stdout
+  log.debug(ha_checksum)
+end
+
+local function clear_invalid_links()
+  utils.nu [[
+       ( glob /home/jri/.local/share/applications/*.desktop
+       | each { ls -l $in }
+       | flatten
+       | where target? != null
+       | par-each {|entry| get target
+         | open $in
+         | parse -r '\nTryExec\s?=\s?(?<bin>[^\n]+)'
+         | get -i 0
+         | default {}
+         | merge $entry }
+       | where bin? != null
+       | where {|e| which $e.bin | is-empty }
+       | each {|e| rm $e.name; print $"Cleared ($e.name)" }
+       )
+      ]]
+end
+
+local function link_apps()
+  utils.nu [[
+      ( glob ~/.nix-profile/share/applications/*.desktop
+      | par-each { try { ln -s $in ~/.local/share/applications/; print $"Linked ($in)" } } )
+    ]]
+end
+
+exports.after_apply_all = function()
+  if utils.nu "which home-manager | is-empty" == "false\n" and (shasum { silo.dirs.config .. "/home-manager/home.nix" }).stdout ~= ha_checksum then
+    local ha = utils.ext "home-manager"
+    local nix_store = utils.ext "nix-store"
+
+    log.info("Applying home-manager config")
+    ha { "switch" }
+
+    log.info "Expiring old home manager configurations"
+    ha { "expire-generations", "-1 days" }
+
+    log.info "Running nix gc"
+    nix_store { "--gc" }
+
+    log.info "Clear invalid links"
+    clear_invalid_links()
+
+    log.info "Linking applications"
+    link_apps()
+  else
+    log.info "Home manager does not need to be updated"
+  end
+end
+
+return exports