feat: Create Neogen semver

.github/workflows/semver.yml

@@ -0,0 +1,28 @@
+name: Generates Neogen tag
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  gen_tag:
+    strategy:
+      fail-fast: false
+      matrix:
+        version:
+          - nightly
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install Neovim
+        uses: rhysd/action-setup-vim@v1
+        id: neovim
+        with:
+          neovim: true
+          version: ${{ matrix.version }}
+      - uses: actions/checkout@v1 # related: actions/checkout#290
+      - name: Run tag_gen
+        run: make tag
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

Makefile

@@ -1,2 +1,5 @@
 documentation:
 	nvim --headless --noplugin -u ./scripts/minimal_init.vim -c "lua MiniDoc.generate()" -c "qa!"
+
+tag:
+	./scripts/generate_tag.sh

lua/neogen/init.lua

@@ -21,6 +21,7 @@
 ---@toc_entry Neogen's purpose
 -- Requires ===================================================================
 local neogen = {}
+neogen.version = "1.0.0"
 
 local conf
 local config = require("neogen.config")

scripts/generate_tag.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+# Copied from https://github.com/nvim-neorg/neorg/blob/main/scripts/generate_tag.sh
+
+current_version=$(nvim --headless --noplugin -u ./scripts/minimal_init.vim -c 'luafile ./scripts/get_version.lua' -c 'qa' 2>&1 | tr -d \")
+
+# get current commit hash for tag
+commit=$(git rev-parse HEAD)
+
+# Creates a new tag for current version
+push_tag() {
+
+curl -s -X POST https://api.github.com/repos/danymat/neogen/git/refs \
+-H "Authorization: token $GITHUB_TOKEN" \
+-d @- << EOF
+{
+  "ref": "refs/tags/$current_version",
+  "sha": "$commit"
+}
+EOF
+
+echo "Generated new tag: $current_version"
+}
+
+echo "Current version: $current_version"
+echo "Last commit: $commit"
+echo "Existing tags: $(git tag -l)"
+
+if [ $(git tag -l "$current_version") ]; then
+    echo "No new Neogen version (current: $current_version)"
+    exit 0
+else
+    push_tag
+fi

scripts/get_version.lua

@@ -0,0 +1 @@
+print(require('neogen').version)