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build.sh

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+#!/usr/bin/env bash
+#
+# build.sh - builds gitdesk into a single executable: dist/gitdesk
+#
+# Run it on the system you want the executable for (Linux builds a Linux
+# binary, macOS builds a macOS one). For Windows use build.bat on Windows.
+# It makes its own throwaway environment in .build-venv, so it doesn't touch
+# your system Python packages.
+set -euo pipefail
+cd "$(dirname "$0")"
+
+PY=$(command -v python3 || command -v python || true)
+[[ -n $PY ]] || { echo "Python 3 wasn't found. Install it first."; exit 1; }
+
+echo "[1/3] Creating the build environment (.build-venv)..."
+if [[ ! -x .build-venv/bin/python ]]; then
+  "$PY" -m venv .build-venv || {
+    echo "Couldn't create a virtualenv. On Debian/Ubuntu: sudo apt install python3-venv"; exit 1; }
+fi
+VPY=.build-venv/bin/python
+
+echo "[2/3] Installing PyInstaller and Textual..."
+"$VPY" -m pip install --quiet --upgrade pip
+"$VPY" -m pip install --quiet pyinstaller -r requirements.txt
+
+echo "[3/3] Building..."
+# Textual and Rich load some of their modules on demand, so tell PyInstaller to
+# bundle all of them.
+"$VPY" -m PyInstaller --noconfirm --clean --onefile --name gitdesk \
+  --collect-submodules textual --collect-data textual --collect-submodules rich \
+  --specpath build --workpath build --distpath dist \
+  gitdesk.py
+
+echo
+echo "Done: $PWD/dist/gitdesk"
+echo "Copy it somewhere on your PATH (e.g. ~/.local/bin) and run 'gitdesk' inside a repo."