OK so I found the problem with proot. It's been fixed (very recently) upstream:
https://github.com/proot-me/PRoot/pull/149 But as the discussion here:
https://github.com/proot-me/PRoot/issues/127 reveals, they have some sticking
points on making new releases, so the fix won't find its way downstream until
those have been resolved.
I've applied the patches myself (using the work-around described below), and
sure enough I can now use proot to build void packages as a non-privileged user
under Docker.
If anyone thinks its worthwhile I can submit the patches as a pull request to
void-linux, but otherwise probably just wait for things to work themselves out
upstream.
Cheers, Jonathan
On 12/26/18 11:30 PM, Aleksey Tulinov wrote:
I saw something similar before: https://github.com/Microsoft/WSL/issues/2981
Although it was WSL-related, user namespaces something something.
ср, 26 дек. 2018 г. в 08:34, Jonathan Schultz <[email protected]>:
Not sure whether to make a pull request with patches, or wait until a fixed
version gets released upstream. Anyway it's documented for
ERROR unshare (Operation not permitted)
This is the actual error: unshare does not have setgid (or you are not
in the group).
I believe the error is actually related to running xbps-src inside a Docker
container, as setting setgid, or running as root make no difference. For the
record, after much trial-and-error I have managed to find a combination that
works. It required running the container as user root, and with both the
--privileged and --cap-add=SYS_ADMIN options.
However I have not entirely given up on finding a simpler solution. One
promising route seemed to be to use the proot utility, which works in
userspace, thus potentially avoiding all these permission problems. However
when I try building using proot I see the following:
configure: creating ./config.status
config.status: creating MakefileI the following:
mv: cannot move './confT6XesZ/out' to 'Makefile': No such file or directory
config.status: error: could not create Makefileerrors
I've had a bit of a go at reverse engineering the xbps-src build process, but
found it all a bit confusing, so wondering if anyone might have seen something
like this before.
Thanks as always.
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