install.sh

#!/usr/bin/env sh
# binvim Linux installer.
#
#   curl -fsSL https://binvim.dev/install.sh | sh
#
# Optional environment overrides:
#   BINVIM_VERSION=v0.5.9       pin to a specific tag (default: latest release)
#   BINVIM_INSTALL_DIR=/opt/bin override install directory (default: $HOME/.local/bin)
#
# macOS users: use Homebrew instead — `brew install bgunnarsson/binvim/binvim`.

set -eu

REPO="bgunnarsson/binvim"
INSTALL_DIR="${BINVIM_INSTALL_DIR:-$HOME/.local/bin}"

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

need() {
    command -v "$1" >/dev/null 2>&1 || err "missing required tool: $1"
}

need curl
need tar
need uname

uname_s=$(uname -s 2>/dev/null || echo unknown)
uname_m=$(uname -m 2>/dev/null || echo unknown)
case "$uname_s/$uname_m" in
    Linux/x86_64|Linux/amd64)   target="x86_64-unknown-linux-musl" ;;
    Linux/aarch64|Linux/arm64)  target="aarch64-unknown-linux-musl" ;;
    # No pre-built macOS binary — cargo + brew are both first-class
    # paths on macOS and avoid the extra GitHub-Actions matrix.
    # Print both install paths and exit; copy-pasting either works.
    Darwin/*)
        printf 'binvim does not ship a pre-built macOS binary.\n\n' >&2
        printf 'Install via Homebrew:\n' >&2
        printf '    brew install bgunnarsson/binvim/binvim\n\n' >&2
        printf 'Or via cargo:\n' >&2
        printf '    cargo install --locked binvim\n\n' >&2
        printf 'Both build from source against the version published on crates.io.\n' >&2
        exit 1
        ;;
    # Git Bash / MSYS2 / Cygwin all run on Windows but report
    # MINGW*/MSYS*/CYGWIN* from uname. Point users at the PowerShell
    # installer + cargo + the GitHub Releases zip; this shell script
    # isn't the right surface for a Windows install.
    MINGW*/*|MSYS*/*|CYGWIN*/*)
        printf 'binvim on Windows:\n\n' >&2
        printf '  Native installer (PowerShell):\n' >&2
        printf '      iwr https://binvim.dev/install.ps1 -UseBasicParsing | iex\n\n' >&2
        printf '  Or via cargo:\n' >&2
        printf '      cargo install --locked binvim\n\n' >&2
        printf '  Or grab the prebuilt zip from\n' >&2
        printf '      https://github.com/%s/releases/latest\n' "$REPO" >&2
        exit 1
        ;;
    Linux/*)                    err "unsupported Linux architecture: $uname_m" ;;
    *)                          err "unsupported OS: $uname_s" ;;
esac

if [ -z "${BINVIM_VERSION:-}" ]; then
    info "resolving latest release"
    BINVIM_VERSION=$(curl -fsSL "https://api.github.com/repos/$REPO/releases/latest" \
        | sed -n 's/.*"tag_name": *"\([^"]*\)".*/\1/p' | head -n1)
    [ -n "$BINVIM_VERSION" ] || err "could not resolve latest release; set BINVIM_VERSION explicitly"
fi

archive="binvim-${BINVIM_VERSION}-${target}.tar.gz"
url="https://github.com/${REPO}/releases/download/${BINVIM_VERSION}/${archive}"
sha_url="${url}.sha256"

tmp=$(mktemp -d)
trap 'rm -rf "$tmp"' EXIT INT TERM

info "downloading ${archive}"
curl -fsSL "$url"     -o "$tmp/$archive" || err "download failed: $url"
curl -fsSL "$sha_url" -o "$tmp/$archive.sha256" || err "checksum download failed: $sha_url"

info "verifying checksum"
(
    cd "$tmp"
    if command -v sha256sum >/dev/null 2>&1; then
        sha256sum -c "$archive.sha256" >/dev/null 2>&1 || err "checksum verification failed"
    elif command -v shasum >/dev/null 2>&1; then
        shasum -a 256 -c "$archive.sha256" >/dev/null 2>&1 || err "checksum verification failed"
    else
        err "no sha256 tool available (need sha256sum or shasum)"
    fi
)

info "extracting"
tar -C "$tmp" -xzf "$tmp/$archive"

mkdir -p "$INSTALL_DIR"
mv "$tmp/binvim" "$INSTALL_DIR/binvim"
chmod +x "$INSTALL_DIR/binvim"
ln -sf "$INSTALL_DIR/binvim" "$INSTALL_DIR/bim"

# `binvim-install` ships alongside binvim from v0.4.5 onward. Older
# tarballs don't contain it — extract conditionally so this script keeps
# working when BINVIM_VERSION is pinned to an older release.
if [ -f "$tmp/binvim-install" ]; then
    mv "$tmp/binvim-install" "$INSTALL_DIR/binvim-install"
    chmod +x "$INSTALL_DIR/binvim-install"
    info "installed binvim ${BINVIM_VERSION} → $INSTALL_DIR/binvim (also as 'bim') + $INSTALL_DIR/binvim-install"
else
    info "installed binvim ${BINVIM_VERSION} → $INSTALL_DIR/binvim (also as 'bim')"
fi

case ":$PATH:" in
    *":$INSTALL_DIR:"*) ;;
    *)
        printf '\n'
        printf 'note: %s is not on your PATH.\n' "$INSTALL_DIR"
        printf '      add this to your shell init (e.g. ~/.bashrc or ~/.zshrc):\n\n'
        printf '          export PATH="%s:$PATH"\n\n' "$INSTALL_DIR"
        ;;
esac