From d693954cf53bf544359bc2eaf8634d7dc5540739 Mon Sep 17 00:00:00 2001
From: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Mon, 28 Sep 2020 20:59:18 +0000
Subject: [PATCH 1/2] Add a ReInit function

libgit2 stores the lookup paths for gitconfig files in its global state.
This means that after a program changes its effective uid libgit2 will
still look for gitconfig files in the home directory of the original
uid. Expose a way to call C.git_libgit2_init so a user can reinitialize
the libgit2 global state.
---
 git.go | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/git.go b/git.go
index bd01b6d..ebece03 100644
--- a/git.go
+++ b/git.go
@@ -149,6 +149,17 @@ func Shutdown() {
 	C.git_libgit2_shutdown()
 }
 
+// ReInit reinitializes the global state, this is useful if the effective user
+// id has changed and you want to update the stored search paths for gitconfig
+// files. This function frees any references to objects, so it should be called
+// before any other functions are called.
+func ReInit() {
+	pointerHandles.Clear()
+	C.git_libgit2_shutdown()
+	pointerHandles = NewHandleList()
+	C.git_libgit2_init()
+}
+
 // Oid represents the id for a Git object.
 type Oid [20]byte
 
-- 
2.45.2


From 26cf9e38ff3ac2faac778447df07b8c37d8cd4cc Mon Sep 17 00:00:00 2001
From: Jesse Hathaway <jesse@mbuki-mvuki.org>
Date: Tue, 29 Sep 2020 18:36:36 +0000
Subject: [PATCH 2/2] add initLibGit2() to avoid repetition

Go does not allow you to call the package init() function, so instead
add a new function to initialize libgit2 and use that function to reduce
the repetition in ReInit()
---
 git.go | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/git.go b/git.go
index ebece03..5acff0d 100644
--- a/git.go
+++ b/git.go
@@ -118,6 +118,10 @@ var (
 var pointerHandles *HandleList
 
 func init() {
+	initLibGit2()
+}
+
+func initLibGit2() {
 	pointerHandles = NewHandleList()
 
 	C.git_libgit2_init()
@@ -154,10 +158,8 @@ func Shutdown() {
 // files. This function frees any references to objects, so it should be called
 // before any other functions are called.
 func ReInit() {
-	pointerHandles.Clear()
-	C.git_libgit2_shutdown()
-	pointerHandles = NewHandleList()
-	C.git_libgit2_init()
+	Shutdown()
+	initLibGit2()
 }
 
 // Oid represents the id for a Git object.
-- 
2.45.2