Re: [PATCH] fetch: fix duplicate remote parallel fetch bug

> Fetching in parallel from a remote group with a duplicated remote results
> in the following:
>
> error: cannot lock ref '<ref>': is at <oid> but expected <oid>
>
> This doesn't happen in serial since fetching from the same remote that
> has already been fetched from is a noop. Therefore, remove any duplicated
> remotes after remote groups are parsed.
>
> Signed-off-by: Calvin Wan <calvinwan@google.com>
> ---
>  builtin/fetch.c          | 1 +
>  t/t5506-remote-groups.sh | 9 +++++++++
>  2 files changed, 10 insertions(+)
>
> diff --git a/builtin/fetch.c b/builtin/fetch.c
> index b06e454cbd..508ab2670c 100644
> --- a/builtin/fetch.c
> +++ b/builtin/fetch.c
> @@ -2225,6 +2225,7 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
>  			argv++;
>  		}
>  	}
> +	string_list_remove_duplicates(&list, 0);