stuff

update.sh

@@ -15,9 +15,15 @@ svl_assert_probably_in_script_dir
 
 what="${1-}"
 
+function assert_no_changes() {
+  svl_max_args $# 1
+  declare msg="${1-expected no changes in working tree}"
   if ! git diff --quiet --exit-code HEAD; then
-  svl_die "there must be no changes in working tree to run this"
+    svl_die "$msg"
   fi
+}
+
+assert_no_changes "there must be no changes in working tree to run this"
 
 tmpdir="$(mktemp -d)"
 trap '[[ -d $tmpdir ]] && rm -rf "$tmpdir"' EXIT
@@ -36,6 +42,32 @@ if [[ $what == 'flake' ]] || [[ -z $what ]]; then
   fi
 fi
 
+if [[ $what == 'units' ]] || [[ -z $what ]]; then
+  assert_no_changes
+  declare units_path="$tmpdir/units_path"
+  v nix build '.#stable.units' --out-link "$units_path"
+  v "$units_path/bin/units_cur" --verbose units/currency.units units/cpi.units
+  declare version_string
+  version_string="$("$units_path/bin/units" --version | head -n 1)"
+  if ! git diff --quiet --exit-code HEAD; then
+    declare -a cmd=(
+      git
+      commit
+      --message "units: update currency data"
+      --message "Auto-update by <nix-stuff>/update.sh"
+      --message "Used $version_string"
+      --
+      ./units
+    )
+    v "${cmd[@]}"
+    unset cmd
+  fi
+  unset version_string
+  rm "$units_path"
+  unset units_path
+  assert_no_changes
+fi
+
 function standard_package() {
   svl_min_args $# 1
   declare -a names=("$@")
@@ -59,10 +91,13 @@ function standard_package() {
       fi
       nix_common build "$flake_path" --no-link
       v git commit --file="$commit_message_path" -- packages/"$primary_name"
+      unset flake_path
     fi
 
     remove_commit_message
   fi
+  unset primary_name
+  unset names
 }
 
 standard_package bandcamp-collection-downloader bcd