Add install script

install.sh

@@ -0,0 +1,97 @@
+#!/usr/bin/env bash
+
+# Copied from https://github.com/prefix-dev/pixi/blob/d8d2d8a/install/install.sh
+
+set -euo pipefail
+
+__wrap__() {
+
+INSTALL_DIR="$HOME/.yen/bin"
+
+REPO=tusharsadhwani/yen
+PLATFORM=$(uname -s)
+ARCH=$(uname -m)
+
+if [[ $PLATFORM == "Darwin" ]]; then
+  PLATFORM="apple-darwin"
+elif [[ $PLATFORM == "Linux" ]]; then
+  PLATFORM="unknown-linux-musl"
+fi
+
+if [[ $ARCH == "arm64" ]] || [[ $ARCH == "aarch64" ]]; then
+  ARCH="aarch64"
+fi
+
+BINARY="yen-rs-${ARCH}-${PLATFORM}"
+
+DOWNLOAD_URL=https://github.com/${REPO}/releases/latest/download/${BINARY}
+
+printf "This script will automatically download and install yen for you.\nGetting it from this url: $DOWNLOAD_URL\nThe binary will be installed into '$INSTALL_DIR'\n"
+
+if ! hash curl 2> /dev/null; then
+  echo "error: you do not have 'curl' installed which is required for this script."
+  exit 1
+fi
+
+TEMP_FILE=$(mktemp "${TMPDIR:-/tmp}/.pixi_install.XXXXXXXX")
+
+cleanup() {
+  rm -f "$TEMP_FILE"
+}
+
+trap cleanup EXIT
+
+HTTP_CODE=$(curl -SL --progress-bar "$DOWNLOAD_URL" --output "$TEMP_FILE" --write-out "%{http_code}")
+if [[ ${HTTP_CODE} -lt 200 || ${HTTP_CODE} -gt 299 ]]; then
+  echo "error: '${DOWNLOAD_URL}' is not available"
+  exit 1
+fi
+
+# Move pixi to the install directory
+mkdir -p "$INSTALL_DIR"
+cp "$TEMP_FILE" "$INSTALL_DIR/yen"
+
+update_shell() {
+    FILE=$1
+    LINE=$2
+
+    if [ -f "$FILE" ]; then
+        if ! grep -Fxq "$LINE" "$FILE"
+        then
+            echo "Updating '${FILE}'"
+            echo "$LINE" >> "$FILE"
+        fi
+    fi
+}
+case "$(basename "$SHELL")" in
+    bash)
+        if [ -f ~/.bash_profile ]; then
+            BASH_FILE=~/.bash_profile
+        else
+            # Default to bashrc as that is used in non login shells instead of the profile.
+            BASH_FILE=~/.bashrc
+        fi
+        LINE="export PATH=\$PATH:${INSTALL_DIR}"
+        update_shell $BASH_FILE "$LINE"
+        ;;
+
+    fish)
+        LINE="fish_add_path ${INSTALL_DIR}"
+        update_shell ~/.config/fish/config.fish "$LINE"
+        ;;
+
+    zsh)
+        LINE="export PATH=\$PATH:${INSTALL_DIR}"
+        update_shell ~/.zshrc "$LINE"
+        ;;
+
+    *)
+        echo "Unsupported shell: $(basename "$0")"
+        ;;
+esac
+
+chmod +x "$INSTALL_DIR/yen"
+
+echo "Please restart or source your shell."
+
+}; __wrap__