From 21ae56168e24108a5e3934efe1862e1e76f636f4 Mon Sep 17 00:00:00 2001
From: Andre Wanlin <awanlin@rapidrtc.com>
Date: Fri, 31 Dec 2021 18:49:53 -0600
Subject: [PATCH] Allow for bare clone

Signed-off-by: Andre Wanlin <awanlin@rapidrtc.com>
---
 .changeset/few-plums-enjoy.md          | 5 +++++
 packages/backend-common/api-report.md  | 8 +++++++-
 packages/backend-common/src/scm/git.ts | 8 ++++++--
 3 files changed, 18 insertions(+), 3 deletions(-)
 create mode 100644 .changeset/few-plums-enjoy.md

diff --git a/.changeset/few-plums-enjoy.md b/.changeset/few-plums-enjoy.md
new file mode 100644
index 0000000000..4b0e232b3b
--- /dev/null
+++ b/.changeset/few-plums-enjoy.md
@@ -0,0 +1,5 @@
+---
+'@backstage/backend-common': patch
+---
+
+Updated Git to allow for bare clone
diff --git a/packages/backend-common/api-report.md b/packages/backend-common/api-report.md
index 061931832d..897aefddb3 100644
--- a/packages/backend-common/api-report.md
+++ b/packages/backend-common/api-report.md
@@ -235,7 +235,13 @@ export class Git {
     url: string;
   }): Promise<void>;
   // (undocumented)
-  clone(options: { url: string; dir: string; ref?: string }): Promise<void>;
+  clone(options: {
+    url: string;
+    dir: string;
+    ref?: string;
+    depth?: number;
+    noCheckout?: boolean;
+  }): Promise<void>;
   // (undocumented)
   commit(options: {
     dir: string;
diff --git a/packages/backend-common/src/scm/git.ts b/packages/backend-common/src/scm/git.ts
index 372ecb0260..dc9f0ae069 100644
--- a/packages/backend-common/src/scm/git.ts
+++ b/packages/backend-common/src/scm/git.ts
@@ -76,12 +76,15 @@ export class Git {
     return git.commit({ fs, dir, message, author, committer });
   }
 
+  // https://isomorphic-git.org/docs/en/clone
   async clone(options: {
     url: string;
     dir: string;
     ref?: string;
+    depth?: number;
+    noCheckout?: boolean;
   }): Promise<void> {
-    const { url, dir, ref } = options;
+    const { url, dir, ref, depth, noCheckout } = options;
     this.config.logger?.info(`Cloning repo {dir=${dir},url=${url}}`);
     return git.clone({
       fs,
@@ -90,7 +93,8 @@ export class Git {
       dir,
       ref,
       singleBranch: true,
-      depth: 1,
+      depth: depth ?? 1,
+      noCheckout: noCheckout ?? false,
       onProgress: this.onProgressHandler(),
       headers: {
         'user-agent': 'git/@isomorphic-git',