Race condition with sbang script

[sethrj]

Steps to reproduce

spack -e . env depfile -o Makefile
make -Orecurse -j $(($(nproc) + 1)) SPACK_INSTALL_FLAGS=--no-check-signature

Error message

https://github.com/celeritas-project/celeritas/actions/runs/8412724587/job/23033983101

==> Error: Failed to install gmake due to FileNotFoundError: [Errno 2] No such file or directory: '/opt/spack/bin/.sbang.tmp' -> '/opt/spack/bin/sbang'
spack -c config:install_status:false -e '/home/runner/work/celeritas/celeritas' install  --no-check-signature --only-concrete --only=package /r4bpehupffuwco7tz2xsupg27nezrtpw # [email protected]%clang@=15.0.7~guile build_system=generic arch=linux-ubuntu22.04-x86_64_v3
==> Error: gmake-4.4.1-r4bpehupffuwco7tz2xsupg27nezrtpw: Package was not installed
==> Error: Installation request failed.  Refer to reported errors for failing package(s).
make: *** [Makefile:24: /home/runner/work/celeritas/celeritas/.spack-env/makedeps/install/gmake-4.4.1-r4bpehupffuwco7tz2xsupg27nezrtpw] Error 1
make: *** Waiting for unfinished jobs....

Information on your system

ubuntu-22.04 on github: 968ad02473b12f6305cc1fe19f2a0d706f171154

General information

• [X] I have run spack debug report and reported the version of Spack/Python/Platform
• [X] I have searched the issues of this repo and believe this is not a duplicate
• [X] I have run the failing commands in debug mode and reported the output