feat(cli): install tht as a system command

2026-08-15 22:05:42 +02:00
parent aa8a2e9278
commit 5e13396669
5 changed files with 385 additions and 0 deletions
@@ -0,0 +1,81 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+repository_root=$(cd "$(dirname "$0")/.." && pwd)
+installer="$repository_root/scripts/install-tht.sh"
+temporary_root=$(mktemp -d)
+trap 'rm -rf "$temporary_root"' EXIT HUP INT TERM
+
+fail() {
+  echo "test-install-tht.sh: $*" >&2
+  exit 1
+}
+
+sha256() {
+  if command -v sha256sum >/dev/null 2>&1; then
+    sha256sum "$1" | awk '{print $1}'
+  else
+    shasum -a 256 "$1" | awk '{print $1}'
+  fi
+}
+
+write_artifact() {
+  local path=$1
+  local version=$2
+  cat >"$path" <<EOF
+#!/usr/bin/env bash
+set -euo pipefail
+case "\${1:-}" in
+  --help|-h) echo "Usage: tht" ;;
+  version) echo "$version" ;;
+  *) echo "unexpected argument: \${1:-}" >&2; exit 2 ;;
+esac
+EOF
+  chmod 0644 "$path"
+}
+
+test_directory="$temporary_root/command directory"
+artifact_one="$temporary_root/tht-one"
+artifact_two="$temporary_root/tht-two"
+write_artifact "$artifact_one" "tht test version one"
+write_artifact "$artifact_two" "tht test version two"
+
+system_path=$PATH
+run_installer() {
+  local artifact=$1
+  THT_INSTALL_DIRECTORY="$test_directory" \
+    THT_BUILD_ARTIFACT="$artifact" \
+    THT_BUILD_ARTIFACT_SHA256="$(sha256 "$artifact")" \
+    PATH="$test_directory:$system_path" \
+    bash "$installer"
+}
+
+run_installer "$artifact_one"
+
+test -x "$test_directory/tht" || fail "installed tht is not executable"
+first_inode=$(stat -f '%i' "$test_directory/tht" 2>/dev/null || stat -c '%i' "$test_directory/tht")
+first_version=$(PATH="$test_directory:$system_path" tht version)
+test "$first_version" = "tht test version one" || fail "installed command did not run version one"
+
+run_installer "$artifact_two"
+second_inode=$(stat -f '%i' "$test_directory/tht" 2>/dev/null || stat -c '%i' "$test_directory/tht")
+second_version=$(PATH="$test_directory:$system_path" tht version)
+test "$second_version" = "tht test version two" || fail "replacement did not install version two"
+test "$first_inode" != "$second_inode" || fail "replacement did not atomically replace the destination"
+
+run_installer "$artifact_two"
+third_version=$(PATH="$test_directory:$system_path" tht version)
+test "$third_version" = "tht test version two" || fail "re-running installer was not idempotent"
+
+if THT_INSTALL_DIRECTORY="$test_directory" \
+  THT_BUILD_ARTIFACT="$artifact_one" \
+  THT_BUILD_ARTIFACT_SHA256="not-a-checksum" \
+  PATH="$test_directory:$system_path" \
+  bash "$installer" >/dev/null 2>&1; then
+  fail "installer accepted a checksum mismatch"
+fi
+
+after_failed_checksum=$(PATH="$test_directory:$system_path" tht version)
+test "$after_failed_checksum" = "tht test version two" || fail "failed install replaced the existing command"
+
+echo "shell tht installer tests passed."