Added hack to get versions array from GPR for Issue #21

README.md

@@ -15,7 +15,7 @@ jobs:
     name: build, pack & publish
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.5.9
 
       # - name: Setup dotnet
       #   uses: actions/setup-dotnet@v1
@@ -48,14 +48,17 @@ jobs:
           # Format of the git tag, [*] gets replaced with actual version
           # TAG_FORMAT: v*
 
-          # API key to authenticate with NuGet server
+          # API key to authenticate with NuGet server, or a token, issued for GITHUB_USER if you use GPR
           # NUGET_KEY: ${{secrets.NUGET_API_KEY}}
 
           # NuGet server uri hosting the packages, defaults to https://api.nuget.org
           # NUGET_SOURCE: https://api.nuget.org
 
           # Flag to toggle pushing symbols along with nuget package to the server, disabled by default
           # INCLUDE_SYMBOLS: false
+
+          # Flag to throw an error when trying to publish an existing version of a package
+          # THOW_ERROR_IF_VERSION_EXISTS: false
 ```
 
 - Project gets published only if there's a `NUGET_KEY` configured in the repository
@@ -71,9 +74,11 @@ VERSION_REGEX | `^\s*<Version>(.*)<\/Version>\s*$` | Regex pattern to extract ve
 VERSION_STATIC| | Useful with external providers like Nerdbank.GitVersioning, ignores VERSION_FILE_PATH & VERSION_REGEX
 TAG_COMMIT | `true` | Flag to toggle git tagging, enabled by default
 TAG_FORMAT | `v*` | Format of the git tag, `[*]` gets replaced with actual version
-NUGET_KEY | | API key to authenticate with NuGet server
+GITHUB_USER |`[GITHUB_ACTOR]` | Required for packages pushed to Github Package Registry. User allowed to push to repository, defaults to GITHUB_ACTOR (user that triggered the action) 
+NUGET_KEY | | API key to authenticate with NuGet server, or a token, issued for GITHUB_USER if you use GPR
 NUGET_SOURCE | `https://api.nuget.org` | NuGet server uri hosting the packages, defaults to https://api.nuget.org
 INCLUDE_SYMBOLS | `false` | Flag to toggle pushing symbols along with nuget package to the server, disabled by default
+THOW_ERROR_IF_VERSION_EXISTS | `false` | Flag to throw an error when trying to publish an existing version of a package
 
 ## Outputs
 
@@ -87,7 +92,7 @@ SYMBOLS_PACKAGE_PATH | Path to the generated symbols package
 
 **FYI:**
 - Outputs may or may not be set depending on the action inputs or if the action failed
-- `NUGET_SOURCE` must support `/v3-flatcontainer/PACKAGE_NAME/index.json` for version change detection to work
+- ~`NUGET_SOURCE` must support `/v3-flatcontainer/PACKAGE_NAME/index.json` for version change detection to work~
 - Multiple projects can make use of steps to configure each project individually, common inputs between steps can be given as `env` for [job / workflow](https://help.github.com/en/actions/automating-your-workflow-with-github-actions/workflow-syntax-for-github-actions#env)
 
 ## License

action.yml

@@ -1,6 +1,6 @@
-name: Publish NuGet
-author: Rohith Reddy (@rohith)
-description: Build, Pack & Publish a NuGet package with dotnet core on project version change
+name: Publish NuGet 2
+author: Rebel028
+description: Temporary fork of https://github.com/brandedoutcast/publish-nuget/
 
 inputs:
     PROJECT_FILE_PATH:
@@ -27,8 +27,11 @@ inputs:
         description: Format of the git tag, [*] gets replaced with actual version
         required: false
         default: v*
+    GITHUB_USER:
+        description: Required for packages pushed to Github Package Registry. User allowed to push to repository, defaults to GITHUB_ACTOR (user that triggered the action) 
+        required: false
     NUGET_KEY:
-        description: API key to authenticate with NuGet server
+        description: API key to authenticate with NuGet server, or a token, issued for GITHUB_USER if you use GPR
         required: false
     NUGET_SOURCE:
         description: NuGet server uri hosting the packages, defaults to https://api.nuget.org
@@ -38,6 +41,10 @@ inputs:
         description: Flag to toggle pushing symbols along with nuget package to the server, disabled by default
         required: false
         default: false
+    THOW_ERROR_IF_VERSION_EXISTS:
+        description: Flag to throw an error when trying to publish an existing version of a package
+        required: false
+        default: false
 
 outputs:
     VERSION:
@@ -61,4 +68,4 @@ runs:
 
 branding:
     icon: package
-    color: blue
+    color: blue

index.js

@@ -4,7 +4,11 @@ const os = require("os"),
     https = require("https"),
     spawnSync = require("child_process").spawnSync
 
+const SOURCE_NAME = "default";
+
 class Action {
+
+
     constructor() {
         this.projectFile = process.env.INPUT_PROJECT_FILE_PATH
         this.packageName = process.env.INPUT_PACKAGE_NAME || process.env.PACKAGE_NAME
@@ -13,9 +17,26 @@ class Action {
         this.version = process.env.INPUT_VERSION_STATIC || process.env.VERSION_STATIC
         this.tagCommit = JSON.parse(process.env.INPUT_TAG_COMMIT || process.env.TAG_COMMIT)
         this.tagFormat = process.env.INPUT_TAG_FORMAT || process.env.TAG_FORMAT
+        this.githubUser = process.env.INPUT_GITHUB_USER || process.env.GITHUB_ACTOR
         this.nugetKey = process.env.INPUT_NUGET_KEY || process.env.NUGET_KEY
         this.nugetSource = process.env.INPUT_NUGET_SOURCE || process.env.NUGET_SOURCE
         this.includeSymbols = JSON.parse(process.env.INPUT_INCLUDE_SYMBOLS || process.env.INCLUDE_SYMBOLS)
+        this.throwOnVersionExixts = process.env.INPUT_THOW_ERROR_IF_VERSION_EXISTS || process.env.THOW_ERROR_IF_VERSION_EXISTS
+
+        let addSourceCmd;
+        if (this.nugetSource.startsWith(`https://nuget.pkg.github.com/`)) {
+            this.sourceType = "GPR"
+            addSourceCmd = `dotnet nuget add source ${this.nugetSource}/index.json --name=${(SOURCE_NAME)} --username=${this.githubUser} --password=${this.nugetKey} --store-password-in-clear-text`
+        } else {
+            this.sourceType = "NuGet"
+            addSourceCmd = `dotnet nuget add source ${this.nugetSource}/v3/index.json --name=${SOURCE_NAME}`
+        }
+
+        console.log(this._executeCommand(addSourceCmd, { encoding: "utf-8" }).stdout)
+        const list1 = this._executeCommand("dotnet nuget list source", { encoding: "utf8" }).stdout;
+        const enable = this._executeCommand(`dotnet nuget enable source ${SOURCE_NAME}`, { encoding: "utf8" }).stdout;
+        console.log(list1);
+        console.log(enable);
     }
 
     _printErrorAndExit(msg) {
@@ -56,16 +77,17 @@ class Action {
         console.log(`NuGet Source: ${this.nugetSource}`)
 
         fs.readdirSync(".").filter(fn => /\.s?nupkg$/.test(fn)).forEach(fn => fs.unlinkSync(fn))
-
+        
         this._executeInProcess(`dotnet build -c Release ${this.projectFile}`)
 
         this._executeInProcess(`dotnet pack ${this.includeSymbols ? "--include-symbols -p:SymbolPackageFormat=snupkg" : ""} --no-build -c Release ${this.projectFile} -o .`)
 
         const packages = fs.readdirSync(".").filter(fn => fn.endsWith("nupkg"))
         console.log(`Generated Package(s): ${packages.join(", ")}`)
 
-        const pushCmd = `dotnet nuget push *.nupkg -s ${this.nugetSource}/v3/index.json -k ${this.nugetKey} --skip-duplicate ${!this.includeSymbols ? "-n 1" : ""}`,
-            pushOutput = this._executeCommand(pushCmd, { encoding: "utf-8" }).stdout
+        const pushCmd = `dotnet nuget push *.nupkg -s ${(SOURCE_NAME)} ${this.nugetSource !== "GPR"? `-k ${this.nugetKey}`: ""} --skip-duplicate ${!this.includeSymbols ? "-n 1" : ""}`
+
+        const pushOutput = this._executeCommand(pushCmd, { encoding: "utf-8" }).stdout
 
         console.log(pushOutput)
 
@@ -94,21 +116,55 @@ class Action {
 
         console.log(`Package Name: ${this.packageName}`)
 
-        https.get(`${this.nugetSource}/v3-flatcontainer/${this.packageName}/index.json`, res => {
+        let url = ""
+        let options; //used for authentication
+
+        //small hack to get package versions from Github Package Registry
+        if (this.sourceType === "GPR") {
+            url = `${this.nugetSource}/download/${this.packageName}/index.json`
+            options = {
+                method: "GET",
+                auth:`${this.githubUser}:${this.nugetKey}`
+            }
+            console.log(`This is GPR, changing url for versioning...`)
+            console.log(url)
+        } else {
+            url = `${this.nugetSource}/v3-flatcontainer/${this.packageName}/index.json`
+        }
+
+        https.get(url, options, (res) => {
             let body = ""
+
+            console.log(`Status code: ${res.statusCode}: ${res.statusMessage}`)
 
-            if (res.statusCode == 404)
+            if (res.statusCode == 404){
+                console.log(`No packages found. Pushing initial version...`)
                 this._pushPackage(this.version, this.packageName)
-
-            if (res.statusCode == 200) {
+            } 
+            else if (res.statusCode == 200) {
                 res.setEncoding("utf8")
                 res.on("data", chunk => body += chunk)
                 res.on("end", () => {
                     const existingVersions = JSON.parse(body)
-                    if (existingVersions.versions.indexOf(this.version) < 0)
+                    if (existingVersions.versions.indexOf(this.version) < 0) {
+                        console.log(`This version is new, pushing...`)
                         this._pushPackage(this.version, this.packageName)
+                    }
+                    else
+                    {
+                        let errorMsg = `Version ${this.version} already exists`;
+                        console.log(errorMsg)
+
+                        if(this.throwOnVersionExixts) {
+                            this._printErrorAndExit(`error: ${errorMsg}`)
+                        }
+                    }
                 })
             }
+            else {
+               this._printErrorAndExit(`error: ${res.statusCode}: ${res.statusMessage}`)
+            }
+
         }).on("error", e => {
             this._printErrorAndExit(`error: ${e.message}`)
         })