EZP-32364: Add Version Logic action

.github/workflows/integration.yml

@@ -5,12 +5,25 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@master
-      - name: Self test
-        id: selftest
 
-        # Put your action repo here
-        uses: jacobtomlinson/python-container-action@master
+      - id: selftest1
+
+        uses: ibexa-yuna/version-logic-action@master
+        with:
+          currentTag: "v2.2.4"
+      - id: selftest2
+
+        uses: ibexa-yuna/version-logic-action@master
+        with:
+          currentTag: "v2.0.0"
+      - id: selftest3
+
+        uses: ibexa-yuna/version-logic-action@master
+        with:
+          currentTag: "v2.3.0"
 
       - name: Check outputs
         run: |
-          test "${{ steps.selftest.outputs.myOutput }}" == "Hello world"
+          test "${{ steps.selftest1.outputs.previousTag }}" == "v2.2.3"
+          test "${{ steps.selftest2.outputs.previousTag }}" == "v1.0.0"
+          test "${{ steps.selftest3.outputs.previousTag }}" == "v2.2.0"

Dockerfile

@@ -3,7 +3,7 @@ ADD . /app
 WORKDIR /app
 
 # We are installing a dependency here directly into our app source dir
-RUN pip install --target=/app requests
+RUN pip install --target=/app requests semver
 
 # A distroless container image with Python and some basics like SSL certificates
 # https://github.com/GoogleContainerTools/distroless

action.yml

@@ -1,12 +1,12 @@
-name: "Python Container Action Template"
-description: "Get started with Python Container actions"
-author: "Jacob Tomlinson"
+name: "Version Logic action"
+description: "Uses Ibexa-specific rules to output previous tag for comparing"
+author: "Petro Kurbatskyi"
 inputs:
-  myInput:
-    description: "Input to use"
-    default: "world"
+  currentTag:
+    description: "Current tag"
+    default: "v1.0.0"
 outputs:
-  myOutput:
+  previousTag:
     description: "Output from the action"
 runs:
   using: "docker"

main.py

@@ -1,13 +1,21 @@
 import os
 import requests  # noqa We are just importing this to prove the dependency installed correctly
+import semver
 
 
 def main():
-    my_input = os.environ["INPUT_MYINPUT"]
+    # cut initial v from input
+    current_tag = os.environ["INPUT_CURRENTTAG"][1:]
 
-    my_output = f"Hello {my_input}"
+    major, minor, patch, _, _ = semver.VersionInfo.parse(current_tag)
+    if not patch and not minor:
+        previous_tag = semver.format_version(major - 1, 0, 0)
+    elif not patch:
+        previous_tag = semver.format_version(major, minor - 1, 0)
+    else:
+        previous_tag = semver.format_version(major, minor, patch - 1)
 
-    print(f"::set-output name=myOutput::{my_output}")
+    print(f"::set-output name=previousTag::v{previous_tag}")
 
 
 if __name__ == "__main__":