Install Ghostty on Fedora

install-ghostty.sh

#!/bin/bash
# Script to install Ghostty on Fedora with improvements for Fedora 41

command_exists() {
    command -v "$1" >/dev/null 2>&1
}

error_exit() {
    echo "Error: $1" >&2
    exit 1
}

install_icon() {
    local size=$1
    local src=$2
    local icons_dir="$HOME/.local/share/icons/hicolor/${size}x${size}/apps"
    mkdir -p "$icons_dir"
    cp "$src" "$icons_dir/com.mitchellh.ghostty.png"
}

echo "=== Starting Ghostty Installation ==="

if ! grep -qi "fedora" /etc/os-release; then
    error_exit "This script is designed for Fedora"
fi

echo "=== Installing dependencies ==="
sudo dnf install -y gtk4-devel zig libadwaita-devel desktop-file-utils || error_exit "Could not install dependencies"

BUILD_DIR=$(mktemp -d)
cd "$BUILD_DIR" || error_exit "Could not create temporary directory"

echo "=== Cloning Ghostty repository ==="
git clone https://github.com/mitchellh/ghostty.git || error_exit "Could not clone repository"
cd ghostty || error_exit "Could not access ghostty directory"

echo "=== Building Ghostty ==="
zig build -p "$HOME/.local" -Doptimize=ReleaseFast || error_exit "Build failed"

echo "=== Configuring desktop entry ==="
DESKTOP_DIR="$HOME/.local/share/applications"
mkdir -p "$DESKTOP_DIR"

# Create the desktop file using absolute paths for the executable
cat > "$DESKTOP_DIR/com.mitchellh.ghostty.desktop" <<EOF
[Desktop Entry]
Version=1.0
Name=Ghostty
GenericName=Terminal
Type=Application
Comment=A terminal emulator
Exec=${HOME}/.local/bin/ghostty
TryExec=${HOME}/.local/bin/ghostty
Icon=com.mitchellh.ghostty
Categories=System;TerminalEmulator;GTK;
Keywords=terminal;tty;pty;shell;prompt;command;commandline;
StartupNotify=true
Terminal=false
Actions=new-window;

[Desktop Action new-window]
Name=New Window
Exec=${HOME}/.local/bin/ghostty
EOF

chmod +x "$DESKTOP_DIR/com.mitchellh.ghostty.desktop"

echo "=== Validating desktop entry ==="
if command_exists desktop-file-validate; then
    desktop-file-validate "$DESKTOP_DIR/com.mitchellh.ghostty.desktop" || echo "Warning: desktop file validation failed"
fi

echo "=== Installing icons ==="
# Assuming the icons are located in images/icons within the cloned repository
cd images/icons || error_exit "Icons directory not found"

for icon in icon_*.png; do
    if [[ $icon =~ icon_([0-9]+).png ]]; then
        size="${BASH_REMATCH[1]}"
        echo "Installing ${size}x${size} icon"
        install_icon "$size" "$icon"
    fi
done

for icon in icon_*@2x.png; do
    if [[ $icon =~ icon_([0-9]+)@2x.png ]]; then
        size="${BASH_REMATCH[1]}"
        size_2x=$((size * 2))
        echo "Installing ${size_2x}x${size_2x} icon (@2x)"
        install_icon "$size_2x" "$icon"
    fi
done

echo "=== Updating system caches ==="
gtk-update-icon-cache -f -t "$HOME/.local/share/icons/hicolor" 2>/dev/null || true
update-desktop-database "$HOME/.local/share/applications" 2>/dev/null || true

echo "=== Setting up XDG data dirs ==="
XDG_CONFIG_HOME="${XDG_CONFIG_HOME:-$HOME/.config}"
mkdir -p "$XDG_CONFIG_HOME/environment.d"
# Ensure the graphical environment includes $HOME/.local/share in XDG_DATA_DIRS
echo "XDG_DATA_DIRS=\$HOME/.local/share:/usr/local/share:/usr/share" > "$XDG_CONFIG_HOME/environment.d/ghostty.conf"

echo "=== Installation completed ==="
echo "Ghostty has been installed in $HOME/.local/bin"
echo "Desktop entry has been created in $DESKTOP_DIR"
echo "Icons have been installed in $HOME/.local/share/icons/hicolor"

echo "=== Post-installation tasks ==="
echo "1. Add the following lines to your ~/.bashrc or ~/.zshrc (if not already added):"
echo "   export PATH=\$PATH:\$HOME/.local/bin"
echo "   export XDG_DATA_DIRS=\$HOME/.local/share:\$XDG_DATA_DIRS"
echo ""
echo "2. Run 'source ~/.bashrc' (or 'source ~/.zshrc') to apply the changes."
echo ""
echo "3. Log out and log back in to ensure all changes take effect."

cd
rm -rf "$BUILD_DIR"

echo "=== Done! ==="