bug#46829: Fresh install of 1.2.0 can't guix pull

["Ludovic Courtès" <ludo@gnu.org>]

Leo Famulari <leo@famulari.name> skribis:

> On Tue, Apr 13, 2021 at 10:12:13AM +0200, Ludovic Courtès wrote:
>> Could you type ‘bt’ (backtrace) at the GDB prompt?
>
> It goes like this:
>
> ------
> Using host libthread_db library "/gnu/store/fa6wj5bxkj5ll1d7292a70knmyl7a0cr-glibc-2.31/lib/libthread_db.so.1".
> Core was generated by `/gnu/store/66xwl53f9ws7gin8iaqkhg111gimw1li-profile/bin/guile ./build-aux/updat'.
> Program terminated with signal SIGSEGV, Segmentation fault.
> #0  0x0000000000000000 in ?? ()
> [Current thread is 1 (Thread 0x7eff7d8cdb80 (LWP 70404))]
> (gdb) bt
> #0  0x0000000000000000 in ?? ()
> #1  0x00007eff61d9d4c4 in git_buf_try_grow () from /gnu/store/2rwa9h8w3ha0hj3zkbnrq1p2z199s2hn-libgit2-1.1.0/lib/libgit2.so
> #2  0x00007eff61d9d7a5 in git_buf_set () from /gnu/store/2rwa9h8w3ha0hj3zkbnrq1p2z199s2hn-libgit2-1.1.0/lib/libgit2.so
> #3  0x00007eff61deffe7 in git_path_prettify () from /gnu/store/2rwa9h8w3ha0hj3zkbnrq1p2z199s2hn-libgit2-1.1.0/lib/libgit2.so
> #4  0x00007eff61e043ad in find_repo () from /gnu/store/2rwa9h8w3ha0hj3zkbnrq1p2z199s2hn-libgit2-1.1.0/lib/libgit2.so
> #5  0x00007eff61e0528b in git_repository_discover () from /gnu/store/2rwa9h8w3ha0hj3zkbnrq1p2z199s2hn-libgit2-1.1.0/lib/libgit2.so
> #6  0x00007eff7de6166d in ffi_call_unix64 () from /gnu/store/bw15z9kh9c65ycc2vbhl2izwfwfva7p1-libffi-3.3/lib/libffi.so.7
> #7  0x00007eff7de5fac0 in ffi_call_int () from /gnu/store/bw15z9kh9c65ycc2vbhl2izwfwfva7p1-libffi-3.3/lib/libffi.so.7
> #8  0x00007eff7df4efbe in scm_i_foreign_call () from /gnu/store/m5iprcg6pb5ch86r9agmqwd8v6kp7999-guile-3.0.5/lib/libguile-3.0.so.1

BTW, this must be fixed by 5b35c9adc899749a0bd96a0e6d2c3bbf88e38963.

Ludo'.