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First of all: Thank you **VERY** much for `git-annex`, it's awesome.
I am running into a weird problem where `git-annex init` complains that `Git refuses to operate in this repository` (in turn because `--local can only be used inside a git repository`) in a setup with separated `--git-dir` and `--work-tree` (a pretty usual scenario for managing one's dotfiles with a hidden bare git repository checked out to `$HOME`):
## Environment
I am running Manjaro/Arch Linux. For reproducibility, here is a Docker setup:
```Dockerfile
FROM archlinux
RUN pacman -Syu --noconfirm git-annex
```
```bash
sudo docker build -t archlinux-with-git-annex .
```
## `git-annex` works in a normal setup
```bash
sudo docker run --rm archlinux-with-git-annex sh -xc 'git config --global init.defaultBranch main;mkdir repo;cd repo;git init;git config user.email me@example.com;git config user.name Me;git annex init'
```
```bash
+ git config --global init.defaultBranch main
+ mkdir repo
+ cd repo
+ git init
Initialized empty Git repository in /repo/.git/
+ git config user.email me@example.com
+ git config user.name Me
+ git annex init
init ok
(recording state in git...)
```
## `git-annex init` fails when separating `--git-dir` and `--work-tree`
```bash
sudo docker run --rm archlinux-with-git-annex sh -xc '
cd
git annex version
git config --global init.defaultBranch main
function mygit (){ git --git-dir="$HOME/.dotfiles" --work-tree="$HOME" $@; }
mygit init
mygit annex init
git config --global --add safe.directory $HOME
GIT_TRACE=1 mygit annex init --debug
'
```
```bash
+ cd
+ git annex version
git-annex version: 10.20220822-gfa94d41c1
build flags: Assistant Webapp Pairing Inotify DBus DesktopNotify TorrentParser MagicMime Feeds Testsuite S3 WebDAV
dependency versions: aws-0.22 bloomfilter-2.0.1.0 cryptonite-0.30 DAV-1.3.4 feed-1.3.2.1 ghc-9.0.2 http-client-0.7.13.1 persistent-sqlite-2.13.0.4 torrent-10000.1.1 uuid-1.3.15 yesod-1.6.2.1
key/value backends: SHA256E SHA256 SHA512E SHA512 SHA224E SHA224 SHA384E SHA384 SHA3_256E SHA3_256 SHA3_512E SHA3_512 SHA3_224E SHA3_224 SHA3_384E SHA3_384 SKEIN256E SKEIN256 SKEIN512E SKEIN512 BLAKE2B256E BLAKE2B256 BLAKE2B512E BLAKE2B512 BLAKE2B160E BLAKE2B160 BLAKE2B224E BLAKE2B224 BLAKE2B384E BLAKE2B384 BLAKE2BP512E BLAKE2BP512 BLAKE2S256E BLAKE2S256 BLAKE2S160E BLAKE2S160 BLAKE2S224E BLAKE2S224 BLAKE2SP256E BLAKE2SP256 BLAKE2SP224E BLAKE2SP224 SHA1E SHA1 MD5E MD5 WORM URL X*
remote types: git gcrypt p2p S3 bup directory rsync web bittorrent webdav adb tahoe glacier ddar git-lfs httpalso borg hook external
operating system: linux x86_64
supported repository versions: 8 9 10
upgrade supported from repository versions: 0 1 2 3 4 5 6 7 8 9 10
+ git config --global init.defaultBranch main
+ mygit init
+ git --git-dir=/root/.dotfiles --work-tree=/root init
Initialized empty Git repository in /root/.dotfiles/
+ mygit annex init
+ git --git-dir=/root/.dotfiles --work-tree=/root annex init
init
failed
git-annex: Git refuses to operate in this repository,
probably because it is owned by someone else.
To add an exception for this directory, call:
git config --global --add safe.directory /root
init: 1 failed
+ git config --global --add safe.directory /root
+ GIT_TRACE=1
+ mygit annex init --debug
+ git --git-dir=/root/.dotfiles --work-tree=/root annex init --debug
12:04:10.518062 git.c:749 trace: exec: git-annex init --debug
12:04:10.518089 run-command.c:654 trace: run_command: git-annex init --debug
12:04:10.754502 git.c:460 trace: built-in: git config --null --list
init [2022-09-20 12:04:10.756872773] (Utility.Process) process [32] read: git ["config","--local","--list"]
[2022-09-20 12:04:10.76296344] (Utility.Process) process [32] done ExitFailure 128
[2022-09-20 12:04:10.763551946] (Git.Config) config output: 12:04:10.758714 git.c:460 trace: built-in: git config --local --list
fatal: --local can only be used inside a git repository
git-annex: Git refuses to operate in this repository,
probably because it is owned by someone else.
To add an exception for this directory, call:
git config --global --add safe.directory /root
failed
init: 1 failed
```
The `probably because it is owned by someone else.` is obviously not the problem here. Also not the `safe.directory` thing. Setting it to `*` also doesn't help.
I wonder why `git` complains that `--local can only be used inside a git repository`. Sounds like `git-annex` executes `git` in the wrong place when specifying `--git-dir` and/or `--work-tree` or it doesn't propagate it correctly.
Any ideas?