feat: support installing from release via one-liner installer

CHANGELOG.md

@@ -17,6 +17,8 @@
 
 > Breaking: this release removes all code and documentation that belongs to the cortex product. This repo is now exclusively dotfiles — configuration files, installer, and shell aliases.
 
+- `curl -fsSL https://raw.githubusercontent.com/barbatdev/cortex-dots/v0.2.0/install.sh | bash` installs from this release.
+
 ### Breaking
 
 - Removed `docs/` — agent-state spec, workflow docs, keymaps, release checklist (belong to cortex product).

README.md

@@ -6,6 +6,20 @@ The repo is intentionally generic. Private paths, tokens, emails, hostnames, pro
 
 ## Install
 
+Install latest release:
+
+```bash
+curl -fsSL https://raw.githubusercontent.com/barbatdev/cortex-dots/v0.2.0/install.sh | bash
+```
+
+Install a specific version:
+
+```bash
+curl -fsSL https://raw.githubusercontent.com/barbatdev/cortex-dots/v0.1.1/install.sh | bash
+```
+
+Install from source (manual):
+
 ```bash
 git clone <repo-url> ~/.cortex/cortex-dots
 cd ~/.cortex/cortex-dots

install.sh

@@ -2,7 +2,37 @@
 # install.sh — Instalador de dotfiles
 set -e
 
-DOTFILES="$(cd "$(dirname "$0")" && pwd)"
+# If running via curl pipe (stdin), download to temp dir from the repo.
+# Usage: curl -fsSL https://raw.githubusercontent.com/barbatdev/cortex-dots/v0.2.0/install.sh | bash
+if [ -t 0 ]; then
+    DOTFILES="$(cd "$(dirname "$0")" && pwd)"
+else
+    # Running from stdin — download the repo to a temp dir.
+    # Allow overriding the release tag via CORTEX_DOTS_TAG env var.
+    REPO_ORG="barbatdev"
+    REPO_NAME="cortex-dots"
+    TAG="${CORTEX_DOTS_TAG:-main}"
+    TMPDIR_INSTALL="$(mktemp -d)"
+    trap 'rm -rf "$TMPDIR_INSTALL"' EXIT INT TERM
+    DOTFILES="$TMPDIR_INSTALL/$REPO_NAME"
+    curl -fsSL "https://github.com/${REPO_ORG}/${REPO_NAME}/archive/refs/tags/${TAG}.tar.gz" -o "$TMPDIR_INSTALL/release.tar.gz" || {
+        echo "ERROR: could not download release $TAG from GitHub" >&2
+        exit 1
+    }
+    tar -xzf "$TMPDIR_INSTALL/release.tar.gz" -C "$TMPDIR_INSTALL" || {
+        echo "ERROR: failed to extract release $TAG" >&2
+        exit 1
+    }
+    # The tarball extracts as $REPO_NAME-$TAG/, rename to clean path
+    EXTRACTED_DIR="$TMPDIR_INSTALL/${REPO_NAME}-${TAG}"
+    if [ -d "$EXTRACTED_DIR" ]; then
+        mv "$EXTRACTED_DIR" "$DOTFILES"
+    fi
+    if [ ! -f "$DOTFILES/install.sh" ]; then
+        echo "ERROR: release $TAG does not contain install.sh" >&2
+        exit 1
+    fi
+fi
 TIMESTAMP=$(date +%Y%m%d_%H%M%S)
 DRY_RUN=false
 CHECK_MODE=false
@@ -479,7 +509,7 @@ release_ghostty_pending_lock() {
     GHOSTTY_PENDING_LOCK_HELD=false
 }
 
-trap 'release_ghostty_pending_lock' EXIT
+trap 'release_ghostty_pending_lock; rm -rf "${TMPDIR_INSTALL:-}"' EXIT
 
 defer_ghostty_target() {
     local src="$1"