From 4ed6beee6ff8502f61d6b7513accc49fccf5c1be Mon Sep 17 00:00:00 2001
From: Anton <27502053+Rebel028@users.noreply.github.com>
Date: Tue, 20 Oct 2020 13:45:09 +0300
Subject: [PATCH 1/4] added THOW_ERROR_IF_VERSION_EXISTS flag

---
 action.yml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/action.yml b/action.yml
index 9dc71b2..71c0ee9 100644
--- a/action.yml
+++ b/action.yml
@@ -38,6 +38,10 @@ 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 +65,4 @@ runs:
 
 branding:
     icon: package
-    color: blue
\ No newline at end of file
+    color: blue

From e66e1e551090186abfb2b990a5d14fa89912bea6 Mon Sep 17 00:00:00 2001
From: Anton <27502053+Rebel028@users.noreply.github.com>
Date: Tue, 20 Oct 2020 14:08:38 +0300
Subject: [PATCH 2/4] throwing error if trying to push existing version

(optional)
---
 index.js | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/index.js b/index.js
index db47a6d..f123d67 100644
--- a/index.js
+++ b/index.js
@@ -16,6 +16,7 @@ class Action {
         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
     }
 
     _printErrorAndExit(msg) {
@@ -97,16 +98,29 @@ class Action {
         https.get(`${this.nugetSource}/v3-flatcontainer/${this.packageName}/index.json`, res => {
             let body = ""
 
-            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) {
                 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}`)
+                        }
+                    }
                 })
             }
         }).on("error", e => {

From fd09e91d0a81aa9b3544ac3b844192fad0081623 Mon Sep 17 00:00:00 2001
From: Anton <27502053+Rebel028@users.noreply.github.com>
Date: Tue, 20 Oct 2020 14:10:39 +0300
Subject: [PATCH 3/4] Update README.md

---
 README.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/README.md b/README.md
index 7f46d67..2992a1d 100644
--- a/README.md
+++ b/README.md
@@ -56,6 +56,9 @@ jobs:
 
           # 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
@@ -74,6 +77,7 @@ TAG_FORMAT | `v*` | Format of the git tag, `[*]` gets replaced with actual versi
 NUGET_KEY | | API key to authenticate with NuGet server
 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
 

From 25ac019ecb0d3f7a2746a81ee12a8aa525cc0d8e Mon Sep 17 00:00:00 2001
From: Anton <27502053+Rebel028@users.noreply.github.com>
Date: Thu, 20 May 2021 16:45:51 +0300
Subject: [PATCH 4/4] Update index.js

---
 index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.js b/index.js
index f123d67..dd85690 100644
--- a/index.js
+++ b/index.js
@@ -16,7 +16,7 @@ class Action {
         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
+        this.throwOnVersionExixts = JSON.parse(process.env.INPUT_THOW_ERROR_IF_VERSION_EXISTS || process.env.THOW_ERROR_IF_VERSION_EXISTS)
     }
 
     _printErrorAndExit(msg) {