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update-cpd-cli.sh

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+#!/bin/sh
+# update-cpd-cli.sh — Download and install the latest (or specified) cpd-cli release.
+# Compatible with sh, bash, and zsh.
+#
+# Usage:
+#   sudo ./update-cpd-cli.sh              # auto-detect latest release
+#   sudo ./update-cpd-cli.sh 14.3.1       # install a specific version
+#
+# Assumes: curl, tar, and write access to INSTALL_DIR (run with sudo).
+
+set -eu
+
+# ---------- configuration ----------
+INSTALL_DIR="/usr/local/bin"
+WORK_DIR="${TMPDIR:-/tmp}/cpd-cli-update-$$"
+GITHUB_REPO="IBM/cpd-cli"
+SYMLINKS="cpd-cli LICENSES plugins"
+# ------------------------------------
+
+cleanup() { rm -rf "$WORK_DIR"; }
+trap cleanup EXIT
+
+die() { printf "ERROR: %s\n" "$1" >&2; exit 1; }
+
+# ---------- resolve version ----------
+if [ $# -ge 1 ]; then
+    VERSION="$1"
+else
+    printf "Detecting latest cpd-cli release... "
+    VERSION=$(curl -fsSL -o /dev/null -w '%{url_effective}' \
+        "https://github.com/${GITHUB_REPO}/releases/latest" \
+        | grep -oE '[0-9]+\.[0-9]+\.[0-9]+$') \
+        || die "Could not determine latest version. Specify one manually: $0 <version>"
+    printf "%s\n" "$VERSION"
+fi
+
+TARBALL="cpd-cli-linux-EE-${VERSION}.tgz"
+URL="https://github.com/${GITHUB_REPO}/releases/download/v${VERSION}/${TARBALL}"
+
+# ---------- download ----------
+mkdir -p "$WORK_DIR"
+printf "Downloading %s ...\n" "$URL"
+curl -fSL -o "${WORK_DIR}/${TARBALL}" "$URL" || die "Download failed. Check the version number."
+
+# ---------- extract ----------
+printf "Extracting... "
+tar xzf "${WORK_DIR}/${TARBALL}" -C "$WORK_DIR"
+EXTRACTED=$(find "$WORK_DIR" -maxdepth 1 -type d -name "cpd-cli-linux-EE-*" | head -1)
+[ -n "$EXTRACTED" ] || die "Could not find extracted directory in ${WORK_DIR}."
+DIR_NAME=$(basename "$EXTRACTED")
+printf "%s\n" "$DIR_NAME"
+
+# ---------- check for no-op ----------
+if [ -d "${INSTALL_DIR}/${DIR_NAME}" ]; then
+    printf "Directory %s/%s already exists. " "$INSTALL_DIR" "$DIR_NAME"
+    printf "Re-linking anyway.\n"
+else
+    printf "Installing to %s/%s ...\n" "$INSTALL_DIR" "$DIR_NAME"
+    mv "$EXTRACTED" "$INSTALL_DIR/"
+fi
+
+# ---------- update symlinks ----------
+printf "Updating symlinks in %s ...\n" "$INSTALL_DIR"
+for link in $SYMLINKS; do
+    target="${INSTALL_DIR}/${link}"
+    if [ -L "$target" ]; then
+        rm "$target"
+    elif [ -e "$target" ]; then
+        die "${target} exists and is not a symlink — refusing to overwrite."
+    fi
+    ln -s "${DIR_NAME}/${link}" "$target"
+    printf "  %s -> %s/%s\n" "$link" "$DIR_NAME" "$link"
+done
+
+# ---------- verify ----------
+printf "\nInstalled:\n"
+cpd-cli version
+
+printf "\nDone.\n"