trying out posix sh (#14)

* trying out posix sh

.github/workflows/tests.yaml

@@ -23,20 +23,114 @@ jobs:
     strategy:
       matrix:
         image:
-          - "ubuntu-22.04"
+          - "ubuntu-latest"
           - "ubuntu-20.04"
+          - "ubuntu-22.04"
+          - "ubuntu-24.04"
+          - "macos-latest"
           - "macos-13"
-          - "macos-11"
-          - "macos-12"
-          - "windows-2022"
+          - "macos-14"
+          - "macos-15"
+          - "windows-latest"
           - "windows-2019"
+          - "windows-2022"
         force:
           - 'true'
           - 'false'
         version:
-          - '1.5'
-          - '1.6'
           - '1.7'
+        include:
+          - image: "ubuntu-latest"
+            version: '1.6'
+            force: true
+          - image: "ubuntu-latest"
+            version: '1.6'
+            force: false
+          - image: "ubuntu-latest"
+            version: '1.5'
+            force: true
+          - image: "ubuntu-latest"
+            version: '1.5'
+            force: false
+
+          - image: "ubuntu-20.04"
+            version: '1.6'
+            force: true
+          - image: "ubuntu-20.04"
+            version: '1.6'
+            force: false
+          - image: "ubuntu-20.04"
+            version: '1.5'
+            force: true
+          - image: "ubuntu-20.04"
+            version: '1.5'
+            force: false
+
+          - image: "ubuntu-22.04"
+            version: '1.6'
+            force: true
+          - image: "ubuntu-22.04"
+            version: '1.6'
+            force: false
+          - image: "ubuntu-22.04"
+            version: '1.5'
+            force: true
+          - image: "ubuntu-22.04"
+            version: '1.5'
+            force: false
+
+          - image: "ubuntu-24.04"
+            version: '1.6'
+            force: true
+          - image: "ubuntu-24.04"
+            version: '1.6'
+            force: false
+          - image: "ubuntu-24.04"
+            version: '1.5'
+            force: true
+          - image: "ubuntu-24.04"
+            version: '1.5'
+            force: false
+
+          - image: "windows-latest"
+            version: '1.6'
+            force: true
+          - image: "windows-latest"
+            version: '1.6'
+            force: false
+          - image: "windows-latest"
+            version: '1.5'
+            force: true
+          - image: "windows-latest"
+            version: '1.5'
+            force: false
+
+          - image: "windows-2019"
+            version: '1.6'
+            force: true
+          - image: "windows-2019"
+            version: '1.6'
+            force: false
+          - image: "windows-2019"
+            version: '1.5'
+            force: true
+          - image: "windows-2019"
+            version: '1.5'
+            force: false
+
+          - image: "windows-2022"
+            version: '1.6'
+            force: true
+          - image: "windows-2022"
+            version: '1.6'
+            force: false
+          - image: "windows-2022"
+            version: '1.5'
+            force: true
+          - image: "windows-2022"
+            version: '1.5'
+            force: false
+
     name: "Test Action - (img: ${{ matrix.image }}; version: ${{ matrix.version }}; force: ${{ matrix.force }})"
     runs-on: ${{ matrix.image }}
     steps:
@@ -173,6 +267,7 @@ jobs:
     strategy:
       matrix:
         image:
+          - "ubuntu-24.04"
           - "ubuntu-22.04"
           - "ubuntu-20.04"
         force:
@@ -185,7 +280,7 @@ jobs:
     name: "Test Action (Container) - (img: ${{ matrix.image }}; version: ${{ matrix.version }}; force: ${{ matrix.force }})"
     runs-on: ${{ matrix.image }}
     container:
-      image: node:18.12.1
+      image: node:20
     steps:
       - uses: actions/checkout@v4
 

scripts/unixish-17.sh

@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh
 
 set -e
 

scripts/unixish.sh

@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/sh
 
 set -e
 
@@ -54,7 +54,7 @@ esac
 
 # determine binary name
 
-if [[ "${_os}" == "linux" ]]; then
+if [ "${_os}" = "linux" ]; then
   case "${_arch}" in
     '386')
       _bin_name="jq-linux32"