spack mirror create creates broken symlinks #14067
Description
I ran spack mirror create -d /home/razumov/eos -D -n 1 my-bundle (where my-bundle is a bundle packages with a ton of dependencies). The command ran fine, but the symlinks in /home/razumov/eos were broken, e.g.:
$ pwd
/home/razumov/spack
$ ls -l /home/razumov/eos/aida
eos/aida/aida-3.2.1.tar.gz -> ../../spack/_source-cache/archive/c5/c51da83e99c0985a7ef3e8bc5a60c3ae61f3ca603b61100c2438b4cdadd5bb2e.tar.gz
$ ls -l /home/razumov/eos/aida/../../spack/_source-cache/archive/c5/c51da83e99c0985a7ef3e8bc5a60c3ae61f3ca603b61100c2438b4cdadd5bb2e.tar.gz
ls: cannot access /home/razumov/eos/aida/../../spack/_source-cache/archive/c5/c51da83e99c0985a7ef3e8bc5a60c3ae61f3ca603b61100c2438b4cdadd5bb2e.tar.gz: No such file or directory
There is no _source-cache under /home/razumov/spack - but there is one under /home/razumov/eos:
$ ls /home/razumov/eos/_source-cache/archive/c5/c51da83e99c0985a7ef3e8bc5a60c3ae61f3ca603b61100c2438b4cdadd5bb2e.tar.gz
rw-r--r--. 1 razumov razumov 313562 Dec 10 14:50 /home/razumov/eos/_source-cache/archive/c5/c51da83e99c0985a7ef3e8bc5a60c3ae61f3ca603b61100c2438b4cdadd5bb2e.tar.gz
Steps to reproduce the issue
$ spack mirror create -d /some/path -D -n1 [email protected]
$ ls /some/path/aidaError Message
None
Information on your system
spack commit c627e5a