Replace GitVersion with a simpler script that produces equivalent output

Author: desplesda

.github/workflows/build.yml

@@ -22,24 +22,9 @@ jobs:
       - name: Fetch all commits
         run: git fetch --unshallow
 
-      - uses: gittools/actions/gitversion/setup@v0.9.10
-        name: Install GitVersion
-        with:
-          versionSpec: "6.x"
-
-      - uses: gittools/actions/gitversion/execute@v0.9.10
-        name: Execute GitVersion
-        id: gitversion # step id used as reference for output values
-        with:
-          updateAssemblyInfo: true
-
-      - name: Print version information
-        run: |
-          echo "Major: ${{ steps.gitversion.outputs.major }}"
-          echo "Minor: ${{ steps.gitversion.outputs.minor }}"
-          echo "Patch: ${{ steps.gitversion.outputs.patch }}"
-          echo "MajorMinorPatch: ${{ steps.gitversion.outputs.majorMinorPatch }}"
-          echo "SemVer: ${{ steps.gitversion.outputs.semVer }}"
+      - name: Update version
+        id: version
+        run: ./get-version.sh
 
       - name: Restore dependencies
         run: dotnet restore

.github/workflows/release.yml

@@ -22,16 +22,9 @@ jobs:
       - name: Fetch all commits
         run: git fetch --unshallow
 
-      - uses: gittools/actions/gitversion/setup@v0.9.10
-        name: Install GitVersion
-        with:
-          versionSpec: "6.x"
-
-      - uses: gittools/actions/gitversion/execute@v0.9.10
-        name: Execute GitVersion
-        id: gitversion # step id used as reference for output values
-        with:
-          updateAssemblyInfo: true
+      - name: Update version
+        id: version
+        run: ./get-version.sh
 
       - name: Restore dependencies
         run: dotnet restore
@@ -45,7 +38,7 @@ jobs:
       - name: Deploy to NuGet
         if: ${{ startsWith(github.ref, 'refs/tags/v') }}
         run: |
-          dotnet pack -c Release /p:Version=${{ steps.gitversion.outputs.SemVer}} -o "nuget"
+          dotnet pack -c Release /p:Version=${{ steps.version.outputs.SemVer }} -o "nuget"
           dotnet nuget push nuget/*.nupkg -k ${{ secrets.NUGET_KEY }} -s https://api.nuget.org/v3/index.json
 
       - name: Extract release notes

GitVersion.yml

@@ -0,0 +1,46 @@
+#!/bin/bash
+
+# Get info about the current commit
+most_recent_tag=$(git describe --tags --match="v*" --abbrev=0)
+commits_since_tag=$(git rev-list $most_recent_tag..HEAD | wc -l | awk '{$1=$1};1')
+sha=$(git log -1 --format=%H)
+branch=$(git rev-parse --abbrev-ref HEAD)
+
+# A regex for extracting data from a version number: major, minor, patch,
+# [prerelease]
+REGEX='v(\d+)\.(\d+)\.(\d+)(-.*)?'
+
+# Extract the data from the version number
+major=$(echo $most_recent_tag | perl -pe "s|$REGEX|\1|" )
+minor=$(echo $most_recent_tag | perl -pe "s|$REGEX|\2|" )
+patch=$(echo $most_recent_tag | perl -pe "s|$REGEX|\3|" )
+prerelease=$(echo $most_recent_tag | perl -pe "s|$REGEX|\4|" )
+
+# Create the version strings we'll write into the AssemblyInfo files
+OutputAssemblyVersion="$major.$minor.$patch.$commits_since_tag"
+OutputAssemblyInformationalVersion="$major.$minor.$patch$prerelease+$commits_since_tag.Branch.$branch.Sha.$sha"
+OutputAssemblyFileVersion="$major.$minor.$patch.$commits_since_tag"
+
+# Calculate the semver from the version (should be the same as the version, but
+# just in case)
+SemVer="v$major.$minor.$patch$prerelease"
+
+# If there are any commits since the current tag, add that note
+if [ "$commits_since_tag" -gt 0 ]; then
+    SemVer="$Semver+$commits_since_tag"
+fi
+
+# Update the AssemblyInfo.cs files
+for infoFile in $(find . -name "AssemblyInfo.cs"); do
+    perl -pi -e "s/AssemblyVersion\(\".*\"\)/AssemblyVersion(\"$OutputAssemblyVersion\")/" $infoFile
+    perl -pi -e "s/AssemblyInformationalVersion\(\".*\"\)/AssemblyInformationalVersion(\"$OutputAssemblyInformationalVersion\")/" $infoFile
+    perl -pi -e "s/AssemblyFileVersion\(\".*\"\)/AssemblyFileVersion(\"$OutputAssemblyFileVersion\")/" $infoFile
+done
+
+# If we're running in GitHub Workflows, output our calculated SemVer
+if [[ -n $GITHUB_OUTPUT ]]; then
+    echo "SemVer=$SemVer" >> "$GITHUB_OUTPUT"
+fi
+
+# Log our SemVer
+echo $SemVer