Create gomplate > first (dirty) attempt (#834)

* Create gomplate > first (dirty) attempt

cf #817

* Rename gomplate to package.yml

* wip

* complex version setting procedure

---------

Co-authored-by: Max Howell <mxcl@me.com>
Co-authored-by: Jacob Heider <jacob@tea.xyz>

projects/gomplate.ca/package.yml

@@ -0,0 +1,42 @@
+distributable:
+  url: https://github.com/hairyhenderson/gomplate/archive/refs/tags/v{{version}}.tar.gz
+  strip-components: 1
+
+versions:
+  github: hairyhenderson/gomplate
+
+build:
+  dependencies:
+    # panic: Something in this program imports
+    # go4.org/unsafe/assume-no-moving-gc to declare that it assumes a non-moving
+    # garbage collector, but your version of go4.org/unsafe/assume-no-moving-gc
+    # hasn't been updated to assert that it's safe against the go1.20 runtime.
+    # If you want to risk it, run with environment variable
+    # ASSUME_NO_MOVING_GC_UNSAFE_RISK_IT_WITH=go1.20 set. Notably, if go1.20
+    # adds a moving garbage collector, this program is unsafe to use.
+    go.dev: ~1.19
+  script: |
+    go mod download
+    go build -v -ldflags="$LDFLAGS" ./cmd/gomplate
+    mkdir -p "{{prefix}}"/bin
+    mv gomplate "{{prefix}}"/bin
+  env:
+    LDFLAGS:
+      - -s
+      - -w
+      - -X $(go list ./version).Version={{version}}
+    linux:
+      # or segmentation fault
+      # fix found here https://github.com/docker-library/golang/issues/402#issuecomment-982204575
+      LDFLAGS:
+      - -buildmode=pie
+
+provides:
+  - bin/gomplate
+
+test:
+  fixture: |
+    Hello, {{ .Env.USER }}
+  script: |
+    test "$(gomplate < $FIXTURE)" = "Hello, $USER"
+    test "$(gomplate --version)" = "gomplate version {{version}}"