Merge pull request erlang#10823 from garazdawi/lukas/gh/small-fixes

Polish GH actions

OTP-20033

Author: kikofernandez

.github/workflows/main.yaml

@@ -62,8 +62,8 @@ jobs:
 
   check-files:
     name: Check modified files for errors
+    if: github.event_name == 'pull_request'
     runs-on: ubuntu-latest
-    if: github.repository == 'erlang/otp' && github.event_name == 'pull_request'
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
@@ -85,6 +85,7 @@ jobs:
           fi
 
       - name: Detect modified BEAM files
+        if: github.repository == 'erlang/otp'
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           PR_AUTHOR: ${{ github.event.pull_request.user.login }}
@@ -575,6 +576,7 @@ jobs:
         with:
             usesh: true
             copyback: false
+            disable-cache: true
             prepare: |
               pkg update
               pkg upgrade -y
@@ -604,6 +606,7 @@ jobs:
         with:
             usesh: true
             copyback: false
+            disable-cache: true
             prepare: |
                 pkg_add -I bash gmake gtar autoconf ncurses pkgconf
             run: |
@@ -620,7 +623,7 @@ jobs:
     name: Build Erlang/OTP (Solaris)
     runs-on: ubuntu-latest
     needs: pack
-    if: needs.pack.outputs.build-c-code == 'true'
+    if: needs.pack.outputs.build-c-code == 'true' && false # Temporarily disable Solaris build as the VM image is currently broken
     steps:
       - name: Download source archive
         uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
@@ -631,6 +634,7 @@ jobs:
         with:
             usesh: true
             copyback: false
+            disable-cache: true
             prepare: |
                 pkg refresh --full && pkg install --accept bash developer/build/gnu-make archiver/gnu-tar autoconf ncurses developer/build/pkg-config developer/gcc
             run: |