diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 8a184415..bd9feeee 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -36,24 +36,43 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - run: sudo apt-get update && sudo apt-get install qemu binfmt-support qemu-user-static
-    - run: docker run --rm --privileged multiarch/qemu-user-static --reset -p yes 
-    - run: make s390
+      with: { fetch-depth: 2 }
+    - id: check
+      run: /bin/bash test/check.sh '^test|^src'
+    - if: steps.check.outputs.MATCH == 1
+      run: sudo apt-get update && sudo apt-get install qemu binfmt-support qemu-user-static
+    - if: steps.check.outputs.MATCH == 1
+      run: docker run --rm --privileged multiarch/qemu-user-static --reset -p yes 
+    - if: steps.check.outputs.MATCH == 1
+      run: make s390
   armhf:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - run: sudo apt-get update && sudo apt-get install qemu binfmt-support qemu-user-static
-    - run: docker run --rm --privileged multiarch/qemu-user-static --reset -p yes 
-    - run: make armhf
+      with: { fetch-depth: 2 }
+    - id: check
+      run: /bin/bash test/check.sh '^test|^src'
+    - if: steps.check.outputs.MATCH == 1
+      run: sudo apt-get update && sudo apt-get install qemu binfmt-support qemu-user-static
+    - if: steps.check.outputs.MATCH == 1
+      run: docker run --rm --privileged multiarch/qemu-user-static --reset -p yes 
+    - if: steps.check.outputs.MATCH == 1
+      run: make armhf
   linux2:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - run: sudo apt-get update ; sudo apt-get install libmbedtls-dev valgrind
-    - run: make unamalgamated
-    - run: make valgrind
-    - run: make mg_prefix
+      with: { fetch-depth: 2 }
+    - id: check
+      run: /bin/bash test/check.sh '^test|^src'
+    - if: steps.check.outputs.MATCH == 1
+      run: sudo apt-get update ; sudo apt-get install libmbedtls-dev valgrind
+    - if: steps.check.outputs.MATCH == 1
+      run: make unamalgamated
+    - if: steps.check.outputs.MATCH == 1
+      run: make valgrind
+    - if: steps.check.outputs.MATCH == 1
+      run: make mg_prefix
   examples:
     runs-on: ubuntu-latest
     steps: