(address . bug-guix@gnu.org)
20221015170826.061d6f4d@koszkonutek-tmp.pl.eu.org
Hello,
I was trying to set up a Guix channel and use it from guix.scm of my
project. I got an error when using `guix shell`
Toggle quote (7 lines)
> Updating channel 'guix' from Git repository at 'https://git.savannah.gnu.org/git/guix.git'...
> Updating channel 'hydrilla-guix' from Git repository at 'https://git.koszko.org/hydrilla-guix-packaging'...
> SWH: revision "7ffa00d8923f518d4d3898d2b9f6673afe204660" originating from https://git.koszko.org/hydrilla-guix-packaging could not be found
> guix shell: warning: revision 7ffa00d8923f518d4d3898d2b9f6673afe204660 of https://git.koszko.org/hydrilla-guix-packaging could not be fetched from Software Heritage
> guix shell: error: failed to load 'guix.scm':
> guix/git.scm:401:19: Git error: invalid content-type: 'text/plain; charset=UTF-8'
I investigated this and found out it's guile-git that fails to HTTP
clone repositories that use the older "dumb" git protocol instead of
the newer "smart" one.
I have since added support for "smart" git protocol in my repository at
git.koszko.org. However, I found a way to reproduce this issue directly
in guile-git. I used more or less the following commands
cd /tmp/
cd guile-git; patch --strip 1 < ~/.config/guix/current/share/guile/site/3.0/gnu/packages/patches/guile-git-adjust-for-libgit2-1.2.0.patch
guix shell -f guix.scm nss-certs guile libgit2 guile-bytestructures -- guile -c '(use-modules (git bindings) (git clone)) (libgit2-init!) (clone "https://git.nicksphere.ch/calcurse""/tmp/gitclonetest")'
Nick's repo that I am using here only supports the dumb protocol. Hence
the following error
Toggle quote (21 lines)
> Backtrace:
> In ice-9/boot-9.scm:
> 1752:10 7 (with-exception-handler _ _ #:unwind? _ # _)
> In unknown file:
> 6 (apply-smob/0 #<thunk 7fc3b96122e0>)
> In ice-9/boot-9.scm:
> 724:2 5 (call-with-prompt _ _ #<procedure default-prompt-handle…>)
> In ice-9/eval.scm:
> 619:8 4 (_ #(#(#<directory (guile-user) 7fc3b9617c80>)))
> In ice-9/command-line.scm:
> 185:19 3 (_ #<input: string 7fc3b9611850>)
> In unknown file:
> 2 (eval (clone "https://git.nicksphere.ch/calcurse" "/…") #)
> In git/clone.scm:
> 46:8 1 (_ _ _ _)
> In git/bindings.scm:
> 77:2 0 (raise-git-error _)
>
> git/bindings.scm:77:2: In procedure raise-git-error:
> Throw to key `git-error' with args `(#<<git-error> code: -1 message: "invalid content-type: 'text/plain; charset=UTF-8'" class: 34>)'.
The expected behavior is that instead the user gets a meaningful
message, e.g. "Repository at <URL> could not be used because it doesn't
support the newer \"smart\" git HTTP protocol. Please ask the
repository owner to add support for that protocol".
I didn't see any mailing list for guile-git and I noticed most recent
commits in guile-git are from Guix maintainer anyway so I decided to
just submit to Guix bug mailing list. I hope I'm not doing something
horribly wrong here :)
Best,
Wojtek
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