Move test code out of default.nix

- use common utils.nix code for generic test derivation;
- move spell checking code into standalone Bash file.

1 files changed, 29 insertions, 0 deletions

diff --git a/spelling/check-spelling.sh b/spelling/check-spelling.sh
new file mode 100755
index 0000000..7656dc4
--- /dev/null
+++ b/spelling/check-spelling.sh
@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+set -Eeuo pipefail
+
+HTML_DIR="${1:-}"
+[[ -z "${HTML_DIR}" ]] && {
+  echo 'Undefined HTML_DIR.'
+  exit 2
+}
+
+# Required by =sort= and =hunspell=
+export LANG=C.UTF-8
+
+for DICT in spelling/*.txt; do
+  diff <(sort $DICT) $DICT || {
+    echo "The $DICT dictionary is unsorted. To fix it, run:"
+    echo "  LANG=C.UTF-8 sort $DICT | sponge $DICT"
+    exit 1
+  }
+done
+
+hunspell -l -p <(cat spelling/international.dic.txt spelling/en_US.dic.txt spelling/en_US.aff.txt) -d en_US -i utf-8 $(find "$HTML_DIR" -type f -name '*.html') | tee spelling.txt
+cat spelling.txt
+[[ -s spelling.txt ]] && {
+  echo "Mispelled words detected by hunspell."
+  cat spelling.txt
+  exit 1
+} || {
+  echo "No words mispelled"
+}