ci: add setup, build and gh workflow scripts

Author: psadi

.github/workflows/ci.yaml

@@ -0,0 +1,57 @@
+---
+name: Build Ghostty AppImage
+
+on:
+  workflow_dispatch: {}
+  pull_request:
+    types: [opened, synchronize, reopened]
+  release:
+    types: [published]
+
+permissions:
+  actions: read
+  security-events: write
+  contents: write
+
+jobs:
+  build_appimage:
+    name: Build Ghostty
+    runs-on: ubuntu-24.04
+    container:
+      image: ubuntu:24.04
+      options: "--privileged --cap-add SYS_ADMIN --device /dev/fuse"
+    steps:
+      - name: Checkout ghostty-appimage
+        uses: actions/checkout@v4
+
+      - name: Setup Build Env
+        run: ./setup.sh
+
+      - name: Build Ghostty
+        run: ./build.sh
+
+      - name: Upload Artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: ghostty-appimage
+          retention-days: 7
+          path: /tmp/ghostty-build/Ghostty-x86_64.AppImage
+
+  release_appimage:
+    name: "Upload binaries to current release"
+    runs-on: ubuntu-latest
+    # if: ${{ github.event_name == 'release' }}
+    needs: "build_appimage"
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          name: ghostty-appimage
+
+      - name: Upload binaries to release
+        uses: svenstaro/upload-release-action@v2
+        with:
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
+          file: ./Ghostty-x86_64.AppImage
+          tag: ${{ github.ref }}
+          overwrite: true
+          file_glob: true

Justfile

@@ -0,0 +1,55 @@
+#!/bin/sh
+
+set -e
+
+GHOSTTY_VERSION="1.0.1"
+TMP_DIR="/tmp/ghostty-build"
+APP_DIR="${TMP_DIR}/ghostty.AppDir"
+PUB_KEY="RWQlAjJC23149WL2sEpT/l0QKy7hMIFhYdQOFy0Z7z7PbneUgvlsnYcV"
+
+rm -rf "${TMP_DIR}"
+
+mkdir -p -- "${TMP_DIR}" "${APP_DIR}/usr"
+
+cd "${TMP_DIR}"
+
+wget -q "https://release.files.ghostty.org/${GHOSTTY_VERSION}/ghostty-${GHOSTTY_VERSION}.tar.gz"
+wget -q "https://release.files.ghostty.org/${GHOSTTY_VERSION}/ghostty-${GHOSTTY_VERSION}.tar.gz.minisig"
+
+minisign -V -m "ghostty-${GHOSTTY_VERSION}.tar.gz" -P "${PUB_KEY}" -s "ghostty-${GHOSTTY_VERSION}.tar.gz.minisig"
+
+rm ghostty-${GHOSTTY_VERSION}.tar.gz.minisig
+
+tar -xzmf "ghostty-${GHOSTTY_VERSION}.tar.gz"
+
+rm "ghostty-${GHOSTTY_VERSION}.tar.gz"
+
+cd "${TMP_DIR}/ghostty-${GHOSTTY_VERSION}"
+
+sed -i 's/linkSystemLibrary2("bzip2", dynamic_link_opts)/linkSystemLibrary2("bz2", dynamic_link_opts)/' build.zig
+
+# Fetch Zig Cache
+ZIG_GLOBAL_CACHE_DIR=/tmp/offline-cache ./nix/build-support/fetch-zig-cache.sh
+
+# Build Ghostty with zig
+zig build \
+  --summary all \
+  --prefix "${APP_DIR}/usr" \
+  --system /tmp/offline-cache/p \
+  -Doptimize=ReleaseFast \
+  -Dcpu=baseline \
+  -Dpie=true \
+  -Demit-docs \
+  -Dversion-string="${GHOSTTY_VERSION}"
+
+cd "${APP_DIR}"
+
+# prep appimage
+printf '#!/bin/sh\n\nexec "$(dirname "$(readlink -f "$0")")/usr/bin/ghostty"\n' | tee AppRun > /dev/null
+chmod +x AppRun
+ln -s usr/share/applications/com.mitchellh.ghostty.desktop
+ln -s usr/share/icons/hicolor/256x256/apps/com.mitchellh.ghostty.png
+
+cd "${TMP_DIR}"
+# create app image
+ARCH=x8_64 appimagetool "${APP_DIR}"

build.sh

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+#!/bin/sh
+
+set -e
+
+export DEBIAN_FRONTEND="noninteractive"
+
+ZIG_VERSION="0.13.0"
+
+# update & install os base dependencies
+buildPkgs="build-essential libonig-dev libbz2-dev pandoc wget fuse libfuse2t64 file"
+ghosttyPkgs="libgtk-4-dev libadwaita-1-dev"
+apt-get -qq update && apt-get -qq -y upgrade && apt-get -qq -y install $buildPkgs $ghosttyPkgs
+
+# download & install other dependencie
+# appimagetool: https://github.com/AppImage/appimagetool
+wget -q "https://github.com/AppImage/appimagetool/releases/download/continuous/appimagetool-x86_64.AppImage"
+install appimagetool-x86_64.AppImage /usr/local/bin/appimagetool
+rm appimagetool-x86_64.AppImage
+
+# minisign: https://github.com/jedisct1/minisign
+wget -q "https://github.com/jedisct1/minisign/releases/download/0.11/minisign-0.11-linux.tar.gz"
+tar -xzf minisign-0.11-linux.tar.gz
+mv minisign-linux/x86_64/minisign /usr/local/bin
+rm -r minisign-0.11-linux.tar.gz
+
+# zig: https://ziglang.org
+wget -q "https://ziglang.org/download/${ZIG_VERSION}/zig-linux-x86_64-${ZIG_VERSION}.tar.xz"
+tar -xf "zig-linux-x86_64-${ZIG_VERSION}.tar.xz" -C /opt
+rm "zig-linux-x86_64-${ZIG_VERSION}.tar.xz"
+ln -s "/opt/zig-linux-x86_64-${ZIG_VERSION}/zig" /usr/local/bin/zig