feat: add talm script (#60)

* feat: add talm script

Signed-off-by: 7h3-3mp7y-m4n <[email protected]>

* minor fix for http_status

Signed-off-by: 7h3-3mp7y-m4n <[email protected]>

---------

Signed-off-by: 7h3-3mp7y-m4n <[email protected]>

Author: 7h3-3mp7y-m4n

scripts/install.sh

@@ -0,0 +1,76 @@
+#!/usr/bin/env bash
+set -euo pipefail
+trap 'error "An unexpected error occurred."; exit 1' ERR
+
+info()    { printf "\033[1;34m[INFO]\033[0m %s\n" "$*"; }
+success() { printf "\033[1;32m[SUCCESS]\033[0m %s\n" "$*"; }
+warn()    { printf "\033[1;33m[WARN]\033[0m %s\n" "$*" >&2; }
+error()   { printf "\033[1;31m[ERROR]\033[0m %s\n" "$*" >&2; }
+
+for cmd in curl uname mktemp jq; do
+  if ! command -v "$cmd" >/dev/null 2>&1; then
+    error "Required command '$cmd' not found. Please install it and retry."
+    exit 1
+  fi
+done
+
+info "Fetching latest Talm release version..."
+
+API_URL="https://api.github.com/repos/cozystack/talm/releases/latest"
+TMPDIR=$(mktemp -d)
+cleanup() { rm -rf "$TMPDIR"; }
+trap cleanup EXIT
+
+HTTP_STATUS=$(curl -sSL -w '%{http_code}' -H 'Accept: application/vnd.github.v3+json' -o "$TMPDIR/response.json" "$API_URL")
+
+if [ "$HTTP_STATUS" -ne 200 ]; then
+  error "GitHub API returned HTTP status $HTTP_STATUS."
+  exit 1
+fi
+
+LATEST_VERSION=$(jq -r '.tag_name' < "$TMPDIR/response.json")
+if [ -z "$LATEST_VERSION" ] || [ "$LATEST_VERSION" = "null" ]; then
+  error "Could not parse 'tag_name' from GitHub release response."
+  exit 1
+fi
+
+info "Latest version: $LATEST_VERSION"
+
+OS=$(uname -s | tr '[:upper:]' '[:lower:]')
+ARCH=$(uname -m)
+
+case "$ARCH" in
+  x86_64 | amd64) ARCH="amd64" ;;
+  arm64 | aarch64) ARCH="arm64" ;;
+  i386 | i686) ARCH="i386" ;;
+  *)
+    error "Unsupported architecture: $ARCH"
+    exit 1
+    ;;
+esac
+
+FILE="talm-$OS-$ARCH"
+DOWNLOAD_URL="https://github.com/cozystack/talm/releases/download/$LATEST_VERSION/$FILE"
+
+info "Downloading $FILE from $DOWNLOAD_URL..."
+curl -fL "$DOWNLOAD_URL" -o "$TMPDIR/talm"
+chmod +x "$TMPDIR/talm"
+
+if [ "$(id -u)" = 0 ]; then
+  INSTALL_DIR="/usr/local/bin"
+elif [ -w "/usr/local/bin" ]; then
+  INSTALL_DIR="/usr/local/bin"
+else
+  INSTALL_DIR="$HOME/.local/bin"
+  mkdir -p "$INSTALL_DIR"
+  case ":$PATH:" in
+    *":$INSTALL_DIR:"*) ;;
+    *) warn "$INSTALL_DIR is not in your PATH." ;;
+  esac
+fi
+
+INSTALL_PATH="$INSTALL_DIR/talm"
+mv "$TMPDIR/talm" "$INSTALL_PATH"
+
+success "Talm installed successfully at $INSTALL_PATH"
+info "You can now run: talm --help"