Thank you for filling out a Git bug report!
Please answer the following questions to help us understand your issue.
What did you do before the bug happened? (Steps to reproduce your issue)
I have a section of configuration for specific branch in my ~/.gitconfig
file. It looks like this
```
[includeIf "onbranch:other"]
path=~/.gitconfig-other
```
In ~/.gitconfig-other I have this (the values are changed)
```
[user]
email = myemail@xxxxxxxxx
name = My Name
signingkey = KEYID
[commit]
gpgsign = true
[credential]
username = username
```
I ran `git init` in empty directory.
What did you expect to happen? (Expected behavior)
Initialize repository with or without includeIf configuration section.
What happened instead? (Actual behavior)
```
$ git init
BUG: refs.c:2123: reference backend is unknown
zsh: IOT instruction (core dumped) git init
```
What's different between what you expected and what actually happened?
I have expected to initialize a new repository but got an error message.
Anything else you want to add:
I ended up commenting includeIf section in my .gitconfig file,
initialize repository then uncomment that section and use git as usual.
The problem might be related only to `git init`.
Please review the rest of the bug report below.
You can delete any lines you don't wish to share.
[System Info]
git version:
git version 2.45.2
cpu: x86_64
no commit associated with this build
sizeof-long: 8
sizeof-size_t: 8
shell-path: /bin/sh
uname: Linux 6.6.34-1-lts #1 SMP PREEMPT_DYNAMIC Sun, 16 Jun 2024
14:45:31 +0000 x86_64
compiler info: gnuc: 14.1
libc info: glibc: 2.39
$SHELL (typically, interactive shell): /bin/zsh
[Enabled Hooks]
not run from a git repository - no hooks to show
