♿ Add a shell script to install

scripts/command-test.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-set -e
+set -euo pipefail
 
 MOD="github.com/eat-pray-ai/yutu/cmd"
 Version="${MOD}.Version=$(git describe --tags --always --dirty | cut -c2-)"

scripts/install.sh

@@ -0,0 +1,40 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+REPO="github.com/eat-pray-ai/yutu"
+
+ARCH="UNKNOWN"
+case $(uname -m) in
+  x86_64 | amd64) ARCH="amd64" ;;
+  aarch64 | arm64) ARCH="arm64" ;;
+esac
+
+if [[ "${ARCH}" == "UNKNOWN" ]]; then
+  echo "Unlisted architecture: $(uname -m)"
+  echo "Please create an issue at ${REPO}/issues"
+  exit 1
+fi
+
+OS="UNKNOWN"
+case $(uname -s) in
+  Linux) OS="linux" ;;
+  Darwin) OS="darwin" ;;
+esac
+
+if [[ "${OS}" == "UNKNOWN" ]]; then
+  echo "Unlisted OS: $(uname -s)"
+  echo "Please create an issue at ${REPO}/issues"
+  exit 1
+fi
+
+FILE="yutu-${OS}-${ARCH}"
+curl -sSfL https://${REPO}/releases/latest/download/${FILE} -o ./yutu
+chmod +x ./yutu
+./yutu version
+
+echo """
+yutu🐰 is downloaded to the current directory.
+You may want to move it to a directory in your PATH, e.g.:
+  sudo mv ./yutu /usr/local/bin/yutu
+"""