skip checking tags on PRs

Author: benjamin

.github/workflows/base-glibc-busybox-bash.yaml

@@ -148,7 +148,8 @@ jobs:
         done
         buildah rmi --prune || true
 
-    - name: Check Tags
+    - if: ${{ github.ref == 'refs/heads/master' }}
+      name: Check Tags
       run: |
         # Quay.io does not support immutable images.
         # => Check for duplicate tags to avoid overwriting existing images.

.github/workflows/base-glibc-debian-bash.yaml

@@ -138,7 +138,8 @@ jobs:
         done
         buildah rmi --prune || true
 
-    - name: Check Tags
+    - if: ${{ github.ref == 'refs/heads/master' }}
+      name: Check Tags
       run: |
         # Quay.io does not support immutable images.
         # => Check for duplicate tags to avoid overwriting existing images.

.github/workflows/bioconda-recipes-issue-responder.yaml

@@ -52,7 +52,8 @@ jobs:
         done
         buildah rmi --prune || true
 
-    - name: Check Tags
+    - if: ${{ github.ref == 'refs/heads/master' }}
+      name: Check Tags
       run: |
         # Quay.io does not support immutable images.
         # => Check for duplicate tags to avoid overwriting existing images.

.github/workflows/bot.yaml

@@ -87,7 +87,8 @@ jobs:
         done
         buildah rmi --prune || true
 
-    - name: Check Tags
+    - if: ${{ github.ref == 'refs/heads/master' }}
+      name: Check Tags
       run: |
         # Quay.io does not support immutable images.
         # => Check for duplicate tags to avoid overwriting existing images.

.github/workflows/create-env.yaml

@@ -103,7 +103,8 @@ jobs:
             done
         buildah rmi --prune || true
 
-    - name: Check Tags
+    - if: ${{ github.ref == 'refs/heads/master' }}
+      name: Check Tags
       run: |
         # Quay.io does not support immutable images.
         # => Check for duplicate tags to avoid overwriting existing images.