Split binary and source install flows

scripts/install-source.sh

@@ -0,0 +1,107 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+REPO_SLUG="${REPO_SLUG:-ModernRelay/omnigraph-public}"
+SOURCE_REF="${SOURCE_REF:-main}"
+INSTALL_DIR="${INSTALL_DIR:-$HOME/.local/bin}"
+TMP_ROOT="${TMPDIR:-/tmp}"
+WORKDIR=""
+
+log() {
+  printf '==> %s\n' "$*"
+}
+
+die() {
+  printf 'error: %s\n' "$*" >&2
+  exit 1
+}
+
+need_cmd() {
+  command -v "$1" >/dev/null 2>&1 || die "missing required command: $1"
+}
+
+cleanup() {
+  if [ -n "${WORKDIR:-}" ] && [ -d "$WORKDIR" ]; then
+    rm -rf "$WORKDIR"
+  fi
+}
+
+trap cleanup EXIT
+
+repo_root_from_shell() {
+  if [ -f "$PWD/Cargo.toml" ] && [ -d "$PWD/crates" ]; then
+    printf '%s\n' "$PWD"
+    return 0
+  fi
+
+  if [ -n "${BASH_SOURCE[0]:-}" ] && [ -f "${BASH_SOURCE[0]}" ]; then
+    local candidate
+    candidate="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+    if [ -f "$candidate/Cargo.toml" ] && [ -d "$candidate/crates" ]; then
+      printf '%s\n' "$candidate"
+      return 0
+    fi
+  fi
+
+  return 1
+}
+
+install_from_dir() {
+  mkdir -p "$INSTALL_DIR"
+  install -m 0755 "$1/omnigraph" "$INSTALL_DIR/omnigraph"
+  install -m 0755 "$1/omnigraph-server" "$INSTALL_DIR/omnigraph-server"
+}
+
+build_from_source() {
+  local repo_root
+  repo_root="${1:-}"
+
+  if [ -z "$repo_root" ]; then
+    need_cmd git
+    WORKDIR="$(mktemp -d "$TMP_ROOT/omnigraph-install.XXXXXX")"
+    repo_root="$WORKDIR/source"
+    log "Cloning $REPO_SLUG at $SOURCE_REF"
+    git clone --depth 1 --branch "$SOURCE_REF" "https://github.com/$REPO_SLUG.git" "$repo_root"
+  fi
+
+  need_cmd cargo
+  log "Building omnigraph binaries from source"
+  (
+    cd "$repo_root"
+    cargo build --release --locked -p omnigraph-cli -p omnigraph-server
+  )
+
+  install_from_dir "$repo_root/target/release"
+}
+
+print_summary() {
+  cat <<EOF
+
+Installed:
+  $INSTALL_DIR/omnigraph
+  $INSTALL_DIR/omnigraph-server
+
+Verify:
+  $INSTALL_DIR/omnigraph version
+  $INSTALL_DIR/omnigraph-server --help
+
+EOF
+
+  case ":$PATH:" in
+    *":$INSTALL_DIR:"*)
+      ;;
+    *)
+      printf 'Add %s to PATH if needed.\n' "$INSTALL_DIR"
+      ;;
+  esac
+}
+
+main() {
+  local repo_root
+
+  repo_root="$(repo_root_from_shell || true)"
+  build_from_source "$repo_root"
+  print_summary
+}
+
+main "$@"