From 349feb9d0268a0c4d2053c31197fd405b1aa7f6b Mon Sep 17 00:00:00 2001
From: Ian Butterworth <i.r.butterworth@gmail.com>
Date: Sun, 10 Oct 2021 10:03:09 -0400
Subject: [PATCH] fix libgit2 error throw. Fixes #42575 (#42576)

(cherry picked from commit 7a8a39bfe4b5a41703f235186e5c31fb071535d5)
---
 stdlib/LibGit2/src/rebase.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/stdlib/LibGit2/src/rebase.jl b/stdlib/LibGit2/src/rebase.jl
index 8151217b3950b..51b52ef006c38 100644
--- a/stdlib/LibGit2/src/rebase.jl
+++ b/stdlib/LibGit2/src/rebase.jl
@@ -83,7 +83,7 @@ function commit(rb::GitRebase, sig::GitSignature)
                       oid_ptr, rb.ptr, C_NULL, sig.ptr, C_NULL, C_NULL)
     catch err
         # TODO: return current HEAD instead
-        err.code === Error.EAPPLIED && return nothing
+        err isa GitError && err.code === Error.EAPPLIED && return nothing
         rethrow()
     end
     return oid_ptr[]