feat: add support for legacy versions (#13)

.github/workflows/check-all-versions.yml

@@ -0,0 +1,95 @@
+name: Check all versions
+
+on: workflow_dispatch
+
+jobs:
+  linux:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        version:
+          - 2008
+          - 2009
+          - 2010
+          - 2011
+          - 2012
+          - 2013
+          - 2014
+          - 2015
+          - 2016
+          - 2017
+          - 2018
+          - 2019
+          - 2020
+          - 2021
+      fail-fast: false
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Install TeX Live
+        uses: ./
+        with:
+          version: ${{ matrix.version }}
+          cache: false
+
+      - run: tlmgr --version
+
+  windows:
+    runs-on: windows-latest
+    strategy:
+      matrix:
+        version:
+          - 2008
+          - 2009
+          - 2010
+          - 2011
+          - 2012
+          - 2013
+          - 2014
+          - 2015
+          - 2016
+          - 2017
+          - 2018
+          - 2019
+          - 2020
+          - 2021
+      fail-fast: false
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Install TeX Live
+        uses: ./
+        with:
+          version: ${{ matrix.version }}
+          cache: false
+
+      - run: tlmgr --version
+
+  macos:
+    runs-on: macos-latest
+    strategy:
+      matrix:
+        version:
+          - 2013
+          - 2014
+          - 2015
+          - 2016
+          - 2017
+          - 2018
+          - 2019
+          - 2020
+          - 2021
+      fail-fast: false
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Install TeX Live
+        uses: ./
+        with:
+          version: ${{ matrix.version }}
+          cache: false
+
+      - run: tlmgr --version

.github/workflows/ci.yml

@@ -31,25 +31,15 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        version: ['2019', 'latest']
       fail-fast: false
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout
         uses: actions/checkout@v2
 
-      - name: Setup Node.js
-        uses: actions/setup-node@v2
-        with:
-          node-version: 12
-
-      - run: npm ci
-      - run: npm run build
-
       - name: Install TeX Live
         uses: ./
         with:
-          version: ${{ matrix.version }}
           cache: false
 
       - run: tlmgr --version

README.md

@@ -11,7 +11,7 @@ Linux, Windows, and macOS are supported.
 
 ## Usage
 
-Installing the latest version of TeX Live with `scheme-infraonly`:
+Installing the latest version of TeX Live:
 
 ```yaml
 - name: Setup TeX Live
@@ -21,8 +21,10 @@ Installing the latest version of TeX Live with `scheme-infraonly`:
   run: tlmgr --version
 ```
 
-Additional TeX packages to be installed
-can be specified by the `packages` input:
+The action installs TeX Live with
+`scheme-infraonly` for `2016` or later versions, and
+`scheme-minimal` for the other versions.
+If you want to install additional packages, you can use the `packages` input:
 
 ```yaml
 - name: Setup TeX Live
@@ -34,17 +36,17 @@ can be specified by the `packages` input:
       hyperref
 ```
 
-An old version of TeX Live is also available:
+A legacy version of TeX Live is also available:
 
 ```yaml
-- name: Setup TeX Live 2019
+- name: Setup TeX Live 2008
   uses: teatimeguest/setup-texlive-action@v1
   with:
-    version: 2019
+    version: 2008
 ```
 
-Versions prior to `2019` are currently not supported
-as the `install-tl` script does not work properly on Windows and macOS.
+Supported versions are `2008` to `2021` for Linux and Windows, and
+`2013` to `2021` for macOS.
 
 ## Caching
 
@@ -59,6 +61,9 @@ If you want to disable caching, you can use the `cache` input:
     cache: false
 ```
 
+The value of the `packages` input is hashed and becomes part of the cache key,
+so it affects which cache is restored.
+
 ## Inputs
 
 All inputs are optional.
@@ -68,7 +73,7 @@ All inputs are optional.
 |`cache`|Bool|Enable caching for `TEXDIR`. The default is `true`.|
 |`packages`|String|Whitespace-separated list of TeX packages to install. Schemes and collections can also be specified.|
 |`prefix`|String|TeX Live installation prefix. The default is `C:\TEMP\setup-texlive` on Windows, `/tmp/setup-texlive` on Linux and macOS.|
-|`version`|String|Version of TeX Live to install. Supported values are `2019`, `2020`, `2021`, and `latest`.|
+|`version`|String|Version of TeX Live to install. Supported values are `2008` to `2021`, and `latest`.|
 
 ## Outputs