install.sh

#!/bin/sh
# Cleared for Push installer for Linux and macOS.
#
#   curl -fsSL https://raw.githubusercontent.com/sanjayrohith/clearedforpush/main/scripts/install.sh | sh
#
# Environment overrides:
#   CFP_VERSION      version tag to install (default: latest release)
#   CFP_INSTALL_DIR  directory to install into (default: ~/.local/bin)

set -eu

REPO="sanjayrohith/clearedforpush"
BIN="clearedforpush"

VERSION="${CFP_VERSION:-}"
INSTALL_DIR="${CFP_INSTALL_DIR:-$HOME/.local/bin}"

info() { printf '  %s\n' "$1"; }
warn() { printf '  warning: %s\n' "$1" >&2; }
err()  { printf '  error: %s\n' "$1" >&2; exit 1; }

# --- http helpers ---------------------------------------------------------
# Prefer curl, fall back to wget so minimal containers still work.
if command -v curl >/dev/null 2>&1; then
    http_get()  { curl -fsSL "$1"; }
    http_dl()   { curl -fsSL "$1" -o "$2"; }
elif command -v wget >/dev/null 2>&1; then
    http_get()  { wget -qO- "$1"; }
    http_dl()   { wget -qO "$2" "$1"; }
else
    err "need curl or wget to download; please install one and retry"
fi

# --- platform detection ---------------------------------------------------
os="$(uname -s)"
arch="$(uname -m)"

case "$os" in
    Linux)
        case "$arch" in
            # The musl build is statically linked, so it runs on every distro
            # regardless of glibc version.
            x86_64 | amd64) target="x86_64-unknown-linux-musl" ;;
            aarch64 | arm64)
                err "no prebuilt binary for linux/$arch yet.
    Install with Rust instead:  cargo install $BIN" ;;
            *) err "unsupported linux architecture: $arch" ;;
        esac
        ;;
    Darwin)
        case "$arch" in
            arm64 | aarch64) target="aarch64-apple-darwin" ;;
            x86_64)          target="x86_64-apple-darwin" ;;
            *) err "unsupported macos architecture: $arch" ;;
        esac
        ;;
    *)
        err "unsupported operating system: $os
    On Windows, run the PowerShell installer instead:
    irm https://raw.githubusercontent.com/$REPO/main/scripts/install.ps1 | iex" ;;
esac

# --- resolve version ------------------------------------------------------
if [ -z "$VERSION" ]; then
    info "Resolving latest release..."
    VERSION="$(http_get "https://api.github.com/repos/$REPO/releases/latest" \
        | tr ',' '\n' \
        | grep '"tag_name"' \
        | head -n 1 \
        | sed 's/.*"tag_name"[[:space:]]*:[[:space:]]*"\([^"]*\)".*/\1/')"
    [ -n "$VERSION" ] || err "could not determine the latest release version"
fi

ARCHIVE="$BIN-$VERSION-$target.tar.gz"
URL="https://github.com/$REPO/releases/download/$VERSION/$ARCHIVE"

# --- download and unpack --------------------------------------------------
tmp="$(mktemp -d)"
# shellcheck disable=SC2064
trap "rm -rf \"$tmp\"" EXIT INT TERM

info "Downloading $BIN $VERSION ($target)..."
http_dl "$URL" "$tmp/$ARCHIVE" || err "download failed: $URL"

tar xzf "$tmp/$ARCHIVE" -C "$tmp" || err "could not extract $ARCHIVE"
[ -f "$tmp/$BIN" ] || err "archive did not contain the expected $BIN binary"

chmod +x "$tmp/$BIN"

# Downloads that arrive through a browser carry a quarantine flag, which makes
# Gatekeeper refuse to run the unsigned binary. Clear it when the attribute is
# present; harmless everywhere else.
if [ "$os" = "Darwin" ] && command -v xattr >/dev/null 2>&1; then
    xattr -d com.apple.quarantine "$tmp/$BIN" >/dev/null 2>&1 || true
fi

# --- install --------------------------------------------------------------
mkdir -p "$INSTALL_DIR" || err "could not create $INSTALL_DIR"

if [ ! -w "$INSTALL_DIR" ]; then
    err "$INSTALL_DIR is not writable.
    Retry with a different location:  CFP_INSTALL_DIR=\$HOME/bin sh"
fi

mv "$tmp/$BIN" "$INSTALL_DIR/$BIN" || err "could not install to $INSTALL_DIR"

printf '\n'
info "Installed $BIN $VERSION to $INSTALL_DIR/$BIN"

# --- PATH check -----------------------------------------------------------
case ":$PATH:" in
    *":$INSTALL_DIR:"*)
        info "Run '$BIN --help' to get started."
        ;;
    *)
        printf '\n'
        warn "$INSTALL_DIR is not on your PATH."
        info "Add it by running the line for your shell, then restart your terminal:"
        printf '\n'
        info "  bash:  echo 'export PATH=\"$INSTALL_DIR:\$PATH\"' >> ~/.bashrc"
        info "  zsh:   echo 'export PATH=\"$INSTALL_DIR:\$PATH\"' >> ~/.zshrc"
        info "  fish:  fish_add_path \"$INSTALL_DIR\""
        ;;
esac

printf '\n'