use as a setup action (#1)

.github/workflows/ci.yml

@@ -0,0 +1,31 @@
+name: CI
+on:
+  pull_request:
+  push:
+jobs:
+  monkey-help:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+    - uses: ./
+      with:
+        command: help
+
+  monkey-update:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+    - uses: ./
+      with:
+        command: update
+        args: -vv
+        workdir: .github/workflows
+        api_key: ${{ secrets.FUZZYMONKEY_API_KEY }}
+        github_token: ${{ secrets.github_token }}
+
+  setup-monkey:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+    - uses: ./
+    - run: monkey version

README.md

@@ -1,12 +1,24 @@
 # GitHub Action: Run [@FuzzyMonkeyCo](https://github.com/FuzzyMonkeyCo)'s [`monkey`](https://github.com/FuzzyMonkeyCo/monkey)
 
-[![GitHub release (latest SemVer)](https://img.shields.io/github/v/release/FuzzyMonkeyCo/action-monkey?logo=github&sort=semver)](https://github.com/FuzzyMonkeyCo/action-monkey/releases)
+[![GitHub release (latest SemVer)](https://img.shields.io/github/v/release/FuzzyMonkeyCo/setup-monkey?logo=github&sort=semver)](https://github.com/FuzzyMonkeyCo/setup-monkey/releases)
 
-This action fetches & runs [`monkey`](https://github.com/FuzzyMonkeyCo/monkey) on GitHub workflows to run `monkey` tests.
+This action installs [`monkey`](https://github.com/FuzzyMonkeyCo/monkey) on GitHub workflows to run `monkey` tests.
+
+```yml
+name: fuzzymonkey
+on: [pull_request]
+jobs:
+  monkey-lint:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+    - uses: FuzzyMonkeyCo/setup-monkey@v1
+    - run: monkey lint
+```
 
 ## Inputs
 ### `command`
-**Required.** `monkey` command to run (e.g. `fuzz` or `fmt`).
+Optional. `monkey` command to run (e.g. `fuzz` or `fmt`).
 ### `args`
 Optional. Arguments to the command.
 ### `workdir`
@@ -28,14 +40,27 @@ Seed returned by `monkey pastseed`. Non-empty when just ran `monkey fuzz` & foun
 ```yml
 name: fuzzymonkey
 on: [pull_request]
+jobs:
+  monkey-lint:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+    - uses: FuzzyMonkeyCo/setup-monkey@v1
+    - run: monkey lint
+```
+
+### Run a command
+```yml
+name: fuzzymonkey
+on: [pull_request]
 jobs:
   monkey-fuzz:
     name: Run monkey fuzz
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v1
     - name: Monkey fuzz
-      uses: FuzzyMonkeyCo/action-monkey@v1
+      uses: FuzzyMonkeyCo/setup-monkey@v1
       with:
         command: fuzz
 ```
@@ -54,7 +79,7 @@ jobs:
     steps:
     - uses: actions/checkout@v1
     - name: Monkey fmt
-      uses: FuzzyMonkeyCo/action-monkey@v1
+      uses: FuzzyMonkeyCo/setup-monkey@v1
       with:
         command: fmt
         workdir: ./subdirectory/
@@ -66,7 +91,7 @@ jobs:
     steps:
     - uses: actions/checkout@v1
     - name: Monkey fuzz
-      uses: FuzzyMonkeyCo/action-monkey@v1
+      uses: FuzzyMonkeyCo/setup-monkey@v1
       with:
         command: fuzz
         args: --time-budget-overall=30m

action.yml

@@ -1,4 +1,4 @@
-name: fuzzy-monkey
+name: setup-monkey
 description: 🐵 Run @FuzzyMonkeyCo's monkey command
 author: fenollp (Pierre Fenoll)
 
@@ -9,7 +9,7 @@ branding:
 inputs:
   command:
     description: '`monkey` command to run (ex. `fuzz` or `fmt`)'
-    required: true
+    required: false
   args:
     description: Arguments to the command
     required: false
@@ -22,7 +22,7 @@ inputs:
     required: false
   github_token:
     description: GITHUB_TOKEN, to tame download rate-limiting
-    required: true
+    required: false
     default: ${{ github.token }}
 
 outputs:

script.sh

@@ -6,22 +6,30 @@ set -o pipefail
 cd "$GITHUB_WORKSPACE"
 cd "$INPUT_WORKDIR"
 
-TMPATH="$(mktemp -d)"
+TMPATH="$RUNNER_TEMP/.fuzzymonkey"
+mkdir -p "$TMPATH"
+echo "$TMPATH" >>"$GITHUB_PATH"
 PATH="$TMPATH:$PATH"
 
 echo '::group:: Installing monkey ... https://github.com/FuzzyMonkeyCo/monkey'
 curl -sfL https://raw.githubusercontent.com/FuzzyMonkeyCo/monkey/master/.godownloader.sh | BINDIR="$TMPATH" sh
 monkey --version
 echo '::endgroup::'
 
-if [[ -n "$INPUT_APIKEY" ]]; then
-	export FUZZYMONKEY_API_KEY="$INPUT_APIKEY"
+if [[ -z "$INPUT_COMMAND" ]]; then
+	# No command given: this is a setup action
+	exit 0
 fi
 
 echo "::group:: $ cd $INPUT_WORKDIR && monkey $INPUT_COMMAND $INPUT_ARGS"
 set +e
-# shellcheck disable=SC2086
-monkey "$INPUT_COMMAND" $INPUT_ARGS; code=$?
+if [[ -n "$INPUT_APIKEY" ]]; then
+	# shellcheck disable=SC2086
+	FUZZYMONKEY_API_KEY="$INPUT_APIKEY" monkey "$INPUT_COMMAND" $INPUT_ARGS; code=$?
+else
+	# shellcheck disable=SC2086
+	monkey "$INPUT_COMMAND" $INPUT_ARGS; code=$?
+fi
 set -e
 echo "::set-output name=code::$code"
 if [[ $code -eq 6 ]]; then