From 77ebe009e76b6ca49e82c69dcc0c5aee3a89c7b5 Mon Sep 17 00:00:00 2001
From: Juho Makinen <juho@squareup.com>
Date: Mon, 7 Oct 2024 14:47:25 +1100
Subject: [PATCH] fix: allow running the local scripts outside of the main FTL
 directory. Previously, trying to run `~/Development/ftl/scripts/ftl dev` from
 a separate project failed with ``` error:controller0: error: No justfile
 found ```

After this, it builds the frontend correctly.
---
 frontend/console/local.go |  3 ++-
 scripts/ftl               | 10 +++++++---
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/frontend/console/local.go b/frontend/console/local.go
index daa5b8ba5a..eb8394f62f 100644
--- a/frontend/console/local.go
+++ b/frontend/console/local.go
@@ -9,6 +9,7 @@ import (
 	"net/http"
 	"net/http/httputil"
 	"net/url"
+	"os"
 	"path"
 	"path/filepath"
 	"time"
@@ -24,7 +25,7 @@ var proxyURL, _ = url.Parse("http://localhost:5173") //nolint:errcheck
 var proxy = httputil.NewSingleHostReverseProxy(proxyURL)
 
 func Server(ctx context.Context, timestamp time.Time, publicURL *url.URL, allowOrigin *url.URL) (http.Handler, error) {
-	gitRoot, ok := internal.GitRoot("").Get()
+	gitRoot, ok := internal.GitRoot(os.Getenv("FTL_DIR")).Get()
 	if !ok {
 		return nil, fmt.Errorf("failed to find Git root")
 	}
diff --git a/scripts/ftl b/scripts/ftl
index 4a99d62c26..22227d2402 100755
--- a/scripts/ftl
+++ b/scripts/ftl
@@ -1,11 +1,15 @@
 #!/bin/bash
 set -euo pipefail
-ftldir="$(dirname "$(readlink -f "$0")")/.."
+export FTL_DIR="$(dirname "$(readlink -f "$0")")/.."
+if [ ! "${HERMIT_ENV}" -ef ${FTL_DIR} ]; then
+  . "${FTL_DIR}/bin/activate-hermit"
+fi
+
 name="$(basename "$0")"
-dest="${ftldir}/build/devel"
+dest="${FTL_DIR}/build/devel"
 src="./cmd/${name}"
 if [ "${name}" = "ftl" ]; then
   src="./frontend/cli"
 fi
 mkdir -p "$dest"
-(cd "${ftldir}/${src}" && "${ftldir}/bin/go" build -ldflags="-s -w -buildid=" -o "$dest/${name}" .) && exec "$dest/${name}" "$@"
+(cd "${FTL_DIR}/${src}" && "${FTL_DIR}/bin/go" build -ldflags="-s -w -buildid=" -o "$dest/${name}" .) && exec "$dest/${name}" "$@"