Update features from sources

Author: geekstuff-dev

README.md

@@ -30,6 +30,7 @@ Contributions, issues and such are welcomed **in their own open source projects*
 | [Restore terminals](./src/restore-terminals/README.md) | [v0.0.1](https://gitlab.com/geekstuff.dev/devcontainers/features/restore-terminals/-/tree/v0.0.1) | [ghcr.io/geekstuff-dev/devcontainers-features/restore-terminals](https://github.com/users/geekstuff-dev/packages/container/package/devcontainers-features%2Frestore-terminals) |
 | [Rust](./src/rust/README.md) | [v0.0.4](https://gitlab.com/geekstuff.dev/devcontainers/features/rust/-/tree/v0.0.4) | [ghcr.io/geekstuff-dev/devcontainers-features/rust](https://github.com/users/geekstuff-dev/packages/container/package/devcontainers-features%2Frust) |
 | [Shared cache](./src/shared-cache/README.md) | [v0.0.1](https://gitlab.com/geekstuff.dev/devcontainers/features/shared-cache/-/tree/v0.0.1) | [ghcr.io/geekstuff-dev/devcontainers-features/shared-cache](https://github.com/users/geekstuff-dev/packages/container/package/devcontainers-features%2Fshared-cache) |
+| [Shellcheck](./src/shellcheck/README.md) | [v0.0.1](https://gitlab.com/geekstuff.dev/devcontainers/features/shellcheck/-/tree/v0.0.1) | [ghcr.io/geekstuff-dev/devcontainers-features/shellcheck](https://github.com/users/geekstuff-dev/packages/container/package/devcontainers-features%2Fshellcheck) |
 | [Starship](./src/starship/README.md) | [v0.1.0](https://gitlab.com/geekstuff.dev/devcontainers/features/starship/-/tree/v0.1.0) | [ghcr.io/geekstuff-dev/devcontainers-features/starship](https://github.com/users/geekstuff-dev/packages/container/package/devcontainers-features%2Fstarship) |
 | [TF Backend Gitlab](./src/tf-backend-gitlab/README.md) | [v0.1.0](https://gitlab.com/geekstuff.dev/devcontainers/features/tf-backend-gitlab/-/tree/v0.1.0) | [ghcr.io/geekstuff-dev/devcontainers-features/tf-backend-gitlab](https://github.com/users/geekstuff-dev/packages/container/package/devcontainers-features%2Ftf-backend-gitlab) |
 | [Terraform](./src/terraform/README.md) | [v0.2.2](https://gitlab.com/geekstuff.dev/devcontainers/features/terraform/-/tree/v0.2.2) | [ghcr.io/geekstuff-dev/devcontainers-features/terraform](https://github.com/users/geekstuff-dev/packages/container/package/devcontainers-features%2Fterraform) |

src/shellcheck/devcontainer-feature.json

@@ -0,0 +1,15 @@
+{
+	"name": "Shellcheck",
+	"id": "shellcheck",
+	"version": "0.0.1",
+	"description": "Installs Shell check",
+	"documentationURL": "https://gitlab.com/geekstuff.dev/devcontainers/features/shellcheck/-/blob/v0.0.1/README.md",
+	"licenseURL": "https://gitlab.com/geekstuff.dev/devcontainers/features/shellcheck/-/blob/v0.0.1/LICENSE",
+	"options": {
+        "version": {
+            "type": "string",
+            "default": "v0.10.0",
+            "description": "Select Shellcheck version"
+        }
+    }
+}

src/shellcheck/install.sh

@@ -0,0 +1,24 @@
+#!/bin/sh
+
+set -e
+
+# Load http proxy if set in basic feature
+if test -e $LIB_DEVCONTAINER_FEATURES/buildtime-http-proxy.sh; then
+    . $LIB_DEVCONTAINER_FEATURES/buildtime-http-proxy.sh
+fi
+
+if test -z "$VERSION"; then
+    VERSION="v0.10.0"
+fi
+
+TMP_DIR=$(mktemp -d)
+TARGET="$TMP_DIR/shellcheck.tar.xz"
+BIN="$TMP_DIR/shellcheck-${VERSION}/shellcheck"
+
+# install if not present
+if ! command -v shellcheck &>/dev/null; then
+    curl -fsSL -o $TARGET https://github.com/koalaman/shellcheck/releases/download/v0.10.0/shellcheck-${VERSION}.linux.x86_64.tar.xz
+    tar -C $TMP_DIR -zxf $TARGET
+    install -m a+rx $BIN /usr/local/bin
+    rm -rf $TMP_DIR
+fi