Add library version and check for consistency in CI

.github/workflows/ci.yml

@@ -11,10 +11,10 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install Zig
-        uses: goto-bus-stop/setup-zig@d866436887ad1b24590684f9d00480376663dd36
+        uses: goto-bus-stop/setup-zig@2a9625d550eefc3a9b1a43d342ad655f563f8241
 
       - name: Unit tests
         run: |

.github/workflows/cmake.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Configure CMake
       run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}

.github/workflows/version_check.yml

@@ -0,0 +1,18 @@
+name: version check
+
+on:
+  push:
+    tags:        
+      - '**' 
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Version check
+        run: |
+            grep -E 'const version =' build.zig | grep -E '"${{  github.ref_name }}"' || exit 78
+            echo "Version check passed."

build.zig

@@ -3,12 +3,14 @@ const std = @import("std");
 pub fn build(b: *std.Build) void {
     const target = b.standardTargetOptions(.{});
     const optimize = b.standardOptimizeOption(.{ .preferred_optimize_mode = .ReleaseFast });
+    const version = std.SemanticVersion.parse("0.1.24") catch unreachable;
 
     const lib = b.addStaticLibrary(.{
         .name = "aegis",
         .target = target,
         .optimize = optimize,
         .strip = true,
+        .version = version,
     });
 
     lib.linkLibC();