better-setup-jq v1: pinned static jq

README.md

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+# better-setup-jq
+
+Pinned static `jq` — the one binary every gate script needs that no recipe mirror covers.
+Static, so it runs on musl runner images with no package manager.
+
+```yaml
+- uses: https://git.madapes.com/actions/better-setup-jq@v1
+```

action.yml

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+name: better-setup-jq
+description: Install a pinned static jq binary — no package manager needed, Forgejo/act runner safe.
+inputs:
+  jq-version:
+    description: Exact jq version to install (x.y.z).
+    default: "1.7.1"
+runs:
+  using: composite
+  steps:
+    - shell: bash
+      run: |
+        set -euo pipefail
+        v="${{ inputs.jq-version }}"
+        case "$(uname -m)" in
+          x86_64|amd64) arch=amd64 ;;
+          aarch64|arm64) arch=arm64 ;;
+          *) echo "better-setup-jq: unsupported arch $(uname -m)" >&2; exit 1 ;;
+        esac
+        curl -fsSL -o /usr/local/bin/jq "https://github.com/jqlang/jq/releases/download/jq-${v}/jq-linux-${arch}"
+        chmod +x /usr/local/bin/jq
+        jq --version