Merge pull request #250 from johannes-wolf/tests-remove-typst-install…

…ation

tests: Remove unused code from test script

scripts/test

@@ -7,21 +7,6 @@ DIR="$(dirname "${BASH_SOURCE[0]}")"
 MODE="${1:-test}";
 if (( $# > 1)); then shift; fi
 
-FLAG_INSTALL=0
-
-while :; do
-  case "${1:-}" in
-    '--install') FLAG_INSTALL=1 ;;
-    *) break
-  esac
-  shift
-done
-
-
-TYPST_VERSION="v0.8.0"
-TYPST_BASE_URL="https://github.com/typst/typst/releases/download"
-TYPST_ARCHIVE="typst-x86_64-unknown-linux-musl.tar.xz"
-
 TYPST_ROOT="$(realpath "$DIR/..")"
 export TYPST_ROOT
 TEST_ROOT="$(realpath "$DIR/../tests")"
@@ -43,46 +28,22 @@ function typst_compile()
 }
 export -f typst_compile
 
-function install_typst()
-{
-  if [[ "$OSTYPE" != "linux"* ]]; then
-    >&2 echo "Automatic installation of typst on a non linux system is currently unsupported."
-    exit 1
-  fi
-
-  #TMP="$(mktemp -d)"
-  TMP="${TMP:-/tmp}/typst-${TYPST_VERSION}"
-  if mkdir -p "$TMP" 2> /dev/null ; then
-    local PKG="${TMP}/typst.tar.xz"
-
-    echo "Installing typst from $TYPST_BASE_URL/$TYPST_ARCHIVE"
-    wget "${TYPST_BASE_URL}/${TYPST_VERSION}/${TYPST_ARCHIVE}" \
-         --quiet \
-         -O "$PKG"
-    mkdir -p "${TMP}/typst"
-    tar -xf "$PKG" -C "${TMP}/typst" --strip-components=1
-    rm "$PKG"
-  fi
-
-  PATH="${TMP}/typst/:$PATH"
-  export PATH
-}
-
-if [[ "$FLAG_INSTALL" == "1" ]]; then
-  install_typst
-fi
-
 if ! hash typst; then
-  >&2 echo "Could not find 'typst' binary. Run this script with the --install argument to temporarily install typst."
+  >&2 echo "Could not find 'typst' binary."
   exit 1
 fi
 
+# Compare two image files $1 and $2 using ImageMagick
 function img_compare()
 {
   $MAGICK_COMPARE -metric rmse "$1" "$2" null: 2>&1 | cut -d\  -f1
 }
 export -f img_compare
 
+# Update a single tests reference image
+#
+# Arguments
+#   - test_dir: Directory of the test to update. Must contain test.typ
 function update_test_ref()
 {
   if [[ "$1" == "$TEST_ROOT" ]]; then
@@ -109,6 +70,10 @@ export -f update_test_ref
 TEST_FAIL=0
 TEST_OK=0
 
+# Run a single test
+#
+# Arguments
+#   - test_dir: Directory of the test. Must contain test.typ + ref.png
 function run_test()
 {
   if [[ "$1" == "$TEST_ROOT" ]]; then
@@ -145,15 +110,20 @@ export -f run_test
 
 echo "Typst: $(typst --version)"
 
+# If gnu-parallel is not installed,
+# we fake it by forwarding it's call to xargs
 if ! hash parallel 2>/dev/null; then
   function parallel() {
     xargs -n 1 -I {} bash -c "$1"
   }
 fi
 
+# Collects all test directories. A directory is a test dir. if it
+# contains a file called test.typ.
 function tests() {
   find "$TEST_ROOT" -type f -name "test.typ" -exec dirname {} \;
 }
+
 if [[ "$MODE" == "test" ]]; then
   tests | parallel 'run_test {}'
 elif [[ "$MODE" == "update" ]]; then