use CI/CD to generate rockspec and upload luarocks

Author: Freed-Wu

.github/workflows/main.yml

@@ -0,0 +1,38 @@
+---
+"on":
+  push:
+    paths-ignore:
+      - "**.md"
+      - doc/*
+  pull_request:
+    paths-ignore:
+      - "**.md"
+      - doc/*
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install dependencies
+        run: |
+          sudo apt-get -y update
+          sudo apt-get -y install libgit2-dev
+      - uses: lumen-oss/luarocks-tag-release@v7
+        env:
+          LUAROCKS_API_KEY: ${{secrets.LUAROCKS_API_KEY}}
+        if: "! startsWith(github.ref, 'refs/tags/')"
+        with:
+          extra_luarocks_args: |
+            --force
+          version: scm
+          template: template.rockspec
+      - uses: lumen-oss/luarocks-tag-release@v7
+        env:
+          LUAROCKS_API_KEY: ${{secrets.LUAROCKS_API_KEY}}
+        if: startsWith(github.ref, 'refs/tags/')
+        with:
+          extra_luarocks_args: |
+            --force
+          template: template.rockspec

rockspecs/lua-git2-0.1-1.rockspec

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+local git_ref = '$git_ref'
+local modrev = '$modrev'
+local specrev = '$specrev'
+
+local repo_url = '$repo_url'
+
+rockspec_format = '3.0'
+package = '$package'
+version = modrev ..'-'.. specrev
+
+description = {
+  summary = '$summary',
+  detailed = $detailed_description,
+  labels = $labels,
+  homepage = '$homepage',
+  $license
+}
+
+dependencies = $dependencies
+
+test_dependencies = $test_dependencies
+
+source = {
+  url = repo_url .. '/archive/' .. git_ref .. '.zip',
+  dir = '$repo_name-' .. '$archive_dir_suffix',
+}
+
+if modrev == 'scm' or modrev == 'dev' then
+  source = {
+    url = repo_url:gsub('https', 'git')
+  }
+end
+
+external_dependencies = {
+	GIT2 = {
+		header = "git2.h",
+		library = "git2",
+	}
+}
+build	= {
+	type = "builtin",
+	modules = {
+		git2 = {
+			sources = { "src/pre_generated-git2.nobj.c" },
+			libraries = { "git2" },
+			incdirs = { "$(GIT2_INCDIR)" },
+			libdirs = { "$(GIT2_LIBDIR)" },
+		}
+	}
+}