add git-delta

Author: axelrindle

src/git-delta/devcontainer-feature.json

@@ -0,0 +1,13 @@
+{
+    "name": "git-delta",
+    "id": "git-delta",
+    "version": "1.0.0",
+    "description": "Install git-delta, a syntax-highlighting pager for git, diff, grep, and blame output",
+    "options": {
+        "version": {
+            "type": "string",
+            "description": "The git-delta version to install",
+            "default": ""
+        }
+    }
+}

src/git-delta/install.sh

@@ -0,0 +1,33 @@
+#!/bin/sh
+
+set -ex
+
+get_architecture()
+{
+    local uname_m="$(uname -m)"
+
+    case "${uname_m}" in
+        x86_64)
+            echo "amd64"
+            ;;
+        arm64|aarch64)
+            echo "arm64"
+            ;;
+        arm)
+            echo "armhf"
+            ;;
+        *)
+            echo >&2 "unsupported architecture: ${uname_m}"
+            exit 1
+    esac
+}
+
+DELTA_VERSION="${VERSION:-0.18.2}"
+DELTA_ARCH="$(get_architecture)"
+DELTA_DOWNLOAD_URL="https://github.com/dandavison/delta/releases/download/${DELTA_VERSION}/git-delta_${DELTA_VERSION}_${DELTA_ARCH}.deb"
+
+DELTA_PACKAGE_FILE="git-delta.deb"
+
+curl -fsSL "${DELTA_DOWNLOAD_URL}" -o "${DELTA_PACKAGE_FILE}"
+# sudo dpkg -i "${DELTA_PACKAGE_FILE}"
+rm "${DELTA_PACKAGE_FILE}"