From 6cf8de253a69570ccaf890a22bf20abd5d6dd6b4 Mon Sep 17 00:00:00 2001
From: Lucy Linder <lucy.derlin@gmail.com>
Date: Sat, 6 Jun 2020 20:22:05 +0200
Subject: [PATCH] add option 'rm' (#156)

---
 .github/workflows/test.yml |  9 +++++----
 README.md                  |  2 ++
 action.yml                 |  4 ++++
 tip.py                     | 30 ++++++++++++++++++------------
 4 files changed, 29 insertions(+), 16 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7cbfb8f..a414425 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -18,21 +18,22 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
-
-    - run: echo "Build some tool and generate some artifacts" > artifact.txt
+      
+    - run: echo "Build some tool and generate some (versioned) artifacts" > artifact-$(date -u +"%Y-%m-%dT%H-%M-%SZ").txt
 
     - name: Single
       uses: ./
       with:
+        rm: true
         token: ${{ secrets.GITHUB_TOKEN }}
-        files: artifact.txt
+        files: artifact-*.txt
 
     - name: List
       uses: ./
       with:
         token: ${{ secrets.GITHUB_TOKEN }}
         files: |
-          artifact.txt
+          artifact-*.txt
           README.md
 
     - run: |
diff --git a/README.md b/README.md
index fb12346..1fc2fec 100644
--- a/README.md
+++ b/README.md
@@ -36,3 +36,5 @@ jobs:
 Note that the tag and the pre-release need to be created manually the first time. The workflow above will fail if the release does not exist.
 
 The default tag name is `tip`, but it can be optionally overriden through option `tag` or setting envvar `INPUT_TAG`.
+
+If you systematically want to remove previous artifacts (e.g. old versions), set the `rm` option to true.
diff --git a/action.yml b/action.yml
index ec6b715..014aa7e 100644
--- a/action.yml
+++ b/action.yml
@@ -11,6 +11,10 @@ inputs:
     description: 'Name of the tag that corresponds to the tip/nightly pre-release'
     required: false
     default: tip
+  rm:
+    description: 'Whether to delete all the previous artifacts, or only replacing the ones with the same name'
+    required: false
+    default: false
 runs:
   using: 'docker'
   image: 'Dockerfile'
diff --git a/tip.py b/tip.py
index 2f4ca79..dc33e60 100755
--- a/tip.py
+++ b/tip.py
@@ -68,18 +68,24 @@ print("· Upload artifacts")
 
 artifacts = files
 
-for asset in gh_release.get_assets():
-    print(">", asset)
-    print(" ", asset.name)
-    for artifact in artifacts:
-        aname = str(Path(artifact).name)
-        if asset.name == aname:
-            print(" removing '%s'..." % asset.name)
-            asset.delete_asset()
-            print(" uploading '%s'..." % artifact)
-            gh_release.upload_asset(artifact, name=aname)
-            artifacts.remove(artifact)
-            break
+if getenv('INPUT_RM', 'false') == 'true':
+    print("· RM set. All previous assets are being cleared...")
+    for asset in gh_release.get_assets():
+        print(" ", asset.name)
+        asset.delete_asset()
+else:
+    for asset in gh_release.get_assets():
+        print(">", asset)
+        print(" ", asset.name)
+        for artifact in artifacts:
+            aname = str(Path(artifact).name)
+            if asset.name == aname:
+                print(" removing '%s'..." % asset.name)
+                asset.delete_asset()
+                print(" uploading '%s'..." % artifact)
+                gh_release.upload_asset(artifact, name=aname)
+                artifacts.remove(artifact)
+                break
 
 for artifact in artifacts:
     print(" uploading '%s'..." % artifact)