+testscript

closes https://github.com/pkgxdev/pkgx/issues/1015

projects/go.dev/testscript/package.yml

@@ -0,0 +1,38 @@
+distributable:
+  url: https://github.com/rogpeppe/go-internal/archive/refs/tags/{{ version.tag }}.tar.gz
+  strip-components: 1
+
+versions:
+  github: rogpeppe/go-internal
+
+provides:
+  - bin/testscript
+
+build:
+  dependencies:
+    go.dev: ~1.21
+  script:
+    - go mod download
+    - go build -v -trimpath -ldflags="$GO_LDFLAGS" -o '{{prefix}}/bin/testscript' ./cmd/testscript
+  env:
+    GO_LDFLAGS: [-s, -w]
+    linux:
+      # or segmentation fault
+      # fix found here https://github.com/docker-library/golang/issues/402#issuecomment-982204575
+      GO_LDFLAGS:
+        - -buildmode=pie
+
+test:
+  dependencies:
+    pkgx.sh: 1
+  script:
+    - run: test "$(pkgx $FIXTURE)" = "PASS"
+      fixture:
+        extname: txtar
+        contents: |
+          exec echo hello!
+          stdout hello!
+
+interprets:
+  extensions: txtar
+  args: testscript