+fzf (#104)

* +fzf

This only includes building the `fzf` binary. It does not include shell
keybindings or completions.

* fix provided binary name

projects/github.com/junegunn/fzf/data.txt

@@ -0,0 +1,2 @@
+hello
+world

projects/github.com/junegunn/fzf/package.yml

@@ -0,0 +1,33 @@
+distributable:
+  url: https://github.com/junegunn/fzf/archive/refs/tags/{{version}}.tar.gz
+  strip-components: 1
+
+versions:
+  github: junegunn/fzf
+
+provides:
+  - bin/fzf
+
+build:
+  script: |
+    go build -v -ldflags="$LDFLAGS"
+    mkdir -p "{{ prefix }}"/bin
+    mv fzf "{{ prefix }}"/bin
+  dependencies:
+    go.dev: ^1.18
+  env:
+    LDFLAGS:
+      - -s
+      - -w
+      - -X main.version={{ version }}
+      - -X main.revision=tea
+    linux:
+      # or segmentation fault
+      # fix found here https://github.com/docker-library/golang/issues/402#issuecomment-982204575
+      LDFLAGS:
+        - -buildmode=pie
+
+test:
+  script: |
+    out=$(cat data.txt | fzf -f wld)
+    test "$out" = "world"