When I run pamac update I get this:
Warning: Building packages as dynamic user
Warning: Setting build directory to /var/cache/pamac
Preparing...
Synchronizing package databases...
Refreshing AUR...
Cloning atool build files...
Running as unit: run-u178.service
fatal: not a git repository (or any parent up to mount point /var/cache/private)
Stopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set).
Finished with result: exit-code
Main processes terminated with: code=exited/status=128
Service runtime: 4ms
CPU time consumed: 4ms
Running as unit: run-u179.service
Finished with result: success
Main processes terminated with: code=exited/status=0
Service runtime: 4ms
CPU time consumed: 4ms
Running as unit: run-u180.service
Finished with result: success
Main processes terminated with: code=exited/status=0
Service runtime: 6.385s
CPU time consumed: 47ms
Generating atool information...
Running as unit: run-u181.service
Finished with result: success
Main processes terminated with: code=exited/status=0
Service runtime: 769ms
CPU time consumed: 855ms
Checking atool dependencies...
Resolving dependencies...
Checking inter-conflicts...
To build (1):
atool 0.39.0-7 (0.39.0-1) AUR
Edit build files : [e]
Apply transaction ? [e/y/N] y
Building atool...
Running as unit: run-u182.service
Press ^] three times within 1s to disconnect TTY.
==> Making package: atool 0.39.0-7 (Fri 18 Mar 2022 10:08:43 AM PST)
==> Checking runtime dependencies...
==> Checking buildtime dependencies...
==> Retrieving sources...
-> Downloading atool-0.39.0.tar.gz...
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 373 100 373 0 0 60 0 0:00:06 0:00:06 --:--:-- 89
0 0 0 0 0 0 0 0 --:--:-- 0:00:11 --:--:-- 0
100 116k 100 116k 0 0 6963 0 0:00:17 0:00:17 --:--:-- 28929
-> Downloading atool-0.39.0.tar.gz.sig...
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 377 100 377 0 0 62 0 0:00:06 0:00:06 --:--:-- 90
0 0 0 0 0 0 0 0 --:--:-- 0:00:11 --:--:-- 0
100 72 100 72 0 0 4 0 0:00:18 0:00:16 0:00:02 17
==> Validating source files with sha256sums...
atool-0.39.0.tar.gz ... Passed
atool-0.39.0.tar.gz.sig ... Skipped
==> Verifying source file signatures with gpg...
atool-0.39.0.tar.gz ... cat: write error: Broken pipe
FAILED
==> ERROR: One or more PGP signatures could not be verified!
Finished with result: exit-code
Main processes terminated with: code=exited/status=1
Service runtime: 34.958s
CPU time consumed: 1.065s
Error: Failed to build atool
What is atool and why is it failing to build?