New Parameter: pre_command (#5)

* new feature "pre_command" that will be executed before go build

* fix shell syntax

* force rebuild action

* again to make sure github action rebuild

* print env to easy to debug

* try to force github action rebuild

* Revert "try to force github action rebuild"

This reverts commit 149e442.

* Revert "again to make sure github action rebuild"

This reverts commit 6de4fa0.

* Revert "force rebuild action"

This reverts commit 050f497.

* docs for pre_command

README.md

@@ -10,6 +10,7 @@ Automatically publish `Go` binaries to Github Release Assets through Github Acti
 - Support multiple `GOOS`/`GOARCH` build in parallel by [Github Action Matrix Strategy](https://help.github.com/en/actions/reference/workflow-syntax-for-github-actions#jobsjob_idstrategymatrix) gracefully.         
 - Publish `.zip` instead of `.tar.gz` for `windows`.     
 - No `musl` library dependency issue on `linux`.     
+- Support extra command that will be executed before `go build`. You may want to use it to solve dependency if you're NOT using [Go Modules](https://github.com/golang/go/wiki/Modules).       
 
 ## Usage
 
@@ -45,6 +46,7 @@ jobs:
 | goversion |  **Optional** | The `Go` compiler version. `1.14` by default, optional `1.13`. <br>It also takes download URL instead of version string if you'd like to use more specified version. But make sure your URL is `linux-amd64` package, better to find the URL from [Go - Downloads](https://golang.org/dl/).<br>E.g., `https://dl.google.com/go/go1.13.1.linux-amd64.tar.gz`. |
 | project_path | **Optional** | Where to run `go build`. <br>Use `.` by default. |
 | binary_name | **Optional** | Specify another binary name if do not want to use repository basename. <br>Use your repository's basename if not set. |
+| pre_command | **Optional** | Extra command that will be executed before `go build`. You may want to use it to solve dependency if you're NOT using [Go Modules](https://github.com/golang/go/wiki/Modules). |
 
 ### Advanced Example
 

action.yml

@@ -1,7 +1,7 @@
 # action.yml
 name: 'Go Release Binaries'
 author: 'Jay Zhang <wangyoucao577@gmail.com>'
-description: 'Release Go binaries to Github Assets'
+description: 'Release Go binaries to GitHub Release Assets'
 inputs:
   github_token:
     description: 'GITHUB_TOKEN for uploading releases to Github asserts.'
@@ -27,6 +27,10 @@ inputs:
     description: 'Specify another binary name if do not want to use repository basename'
     required: false
     default: ''
+  pre_command:
+    description: 'Extra command that will be executed before `go build`, may for solving dependency'
+    required: false
+    default: ''
 runs:
   using: 'docker'
   image: 'Dockerfile'
@@ -38,6 +42,7 @@ runs:
     - ${{ inputs.project_path }}
     - ${{ inputs.binary_name }}
     - ${{ inputs.compression }}
+    - ${{ inputs.pre_command }}
 branding:
   icon: 'package'  
   color: 'blue'

entrypoint.sh

@@ -2,7 +2,10 @@
 
 # prepare golang
 source /setup-go.sh 
+
+# easy to debug if anything wrong
 go version
+env
 
 # build & release go binaries
 /release.sh

release.sh

@@ -12,6 +12,11 @@ RELEASE_ASSET_NAME=${BINARY_NAME}-${RELEASE_TAG}-${INPUT_GOOS}-${INPUT_GOARCH}
 RELEASE_ASSETS_UPLOAD_URL=$(cat ${GITHUB_EVENT_PATH} | jq -r .release.upload_url)
 RELEASE_ASSETS_UPLOAD_URL=${RELEASE_ASSETS_UPLOAD_URL%\{?name,label\}}
 
+# execute pre-command if exist, e.g. `go get -v ./...`
+if [ ! -z "${INPUT_PRE_COMMAND}" ]; then
+    ${INPUT_PRE_COMMAND}
+fi
+
 # build binary
 cd ${INPUT_PROJECT_PATH}
 EXT=''