GitHub action to check that the PR version is >= the version of main (#30)

Author: fleverest

.github/workflows/enforce-version-increment.yaml

@@ -0,0 +1,33 @@
+on:
+  pull_request:
+    branches: [main]
+
+name: enforce-version-increment
+
+jobs:
+  enforce-version-increment:
+    runs-on: ubuntu-latest
+
+    env:
+      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
+      R_KEEP_PKG_SOURCE: yes
+
+    steps:
+      - uses: r-lib/actions/setup-r@v2
+        with:
+          use-public-rspm: true
+
+      - uses: actions/checkout@v3
+      - run: echo "VERSION_PR=$(cat DESCRIPTION | grep Version | cut -d ' ' -f 2)" >> $GITHUB_ENV
+
+      - uses: actions/checkout@v3
+        with:
+          ref: main
+      - run: echo "VERSION_MAIN=$(cat DESCRIPTION | grep Version | cut -d ' ' -f 2)" >> $GITHUB_ENV
+
+      - name: Check version of PR > version of main
+        run: |
+          if (Sys.getenv("VERSION_PR") <= Sys.getenv("VERSION_MAIN")) {
+            stop("PR must increment package version before it can merge to main.")
+          }
+        shell: Rscript {0}

DESCRIPTION

@@ -9,7 +9,7 @@ Authors@R: c(
          role = c("aut"), comment = c(ORCID = "0000-0002-1256-3375")),
   person("Damjan", "Vukcevic", email = "damjan@vukcevic.net",
          role = c("aut"), comment = c(ORCID = "0000-0001-7780-9586")))
-Version: 0.0.0.9000
+Version: 0.0.1
 Depends: R (>= 2.10)
 LazyData: true
 License: GPL-3