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bug#36785: Impossible to pull on foreign distro

From: Ricardo Wurmus
Subject: bug#36785: Impossible to pull on foreign distro
Date: Wed, 18 Sep 2019 20:35:19 +0200
User-agent: mu4e 1.2.0; emacs 26.2

Ludovic Courtès <address@hidden> writes:

> Digging further, I fetched the source from
> <https://packages.ubuntu.com/bionic/sudo>, and boom! I found the
> culprit: it’s called ‘debian/patches/keep_home_by_default.patch’.
> --8<---------------cut here---------------start------------->8---
> Description: Set HOME in initial_keepenv_table
>  Set HOME in initial_keepenv_table; without this, $HOME will never be 
>  preserved unless added to keep_env.  There's appropriate logic to handle
>  resetting the home for -H and -i options, so this is the only part that's
>  missing.
> Author: Steve Langasek <address@hidden>
> --- a/plugins/sudoers/env.c
> +++ b/plugins/sudoers/env.c
> @@ -189,6 +189,7 @@
>      "COLORS",
>      "DISPLAY",
>      "DPKG_COLORS",
> +    "HOME",
>      "HOSTNAME",
>      "KRB5CCNAME",
>      "LS_COLORS",
> --8<---------------cut here---------------end--------------->8---
> (This patch is playing with fire IMO.  If you’re an Ubuntu user,
> consider reporting a bug!)

Wow.  Changing fundamental behaviour like that is bad.

> We could apply the patch I posted earlier, which simply disables profile
> migration when SUDO_USER is set.  That won’t address the fact that root
> writes to the user’s ~/.cache, but there’s not much we can do here.

This sounds fine to me.


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