Hello Guix,

Since the upgrade to gnupg 2.2.20, gpgme fails a json
test.

Apparently, the same issue is not guix specific and has
already been reported on gnupg's bug track:

https://dev.gnupg.org/T4820

Bellow is the output I've got when I tried building it:

Making check in json
make[2]: Entering directory '/tmp/guix-build-gpgme-1.13.1.drv-0/gpgme-1.13.1/tests/json'
make  check-am
make[3]: Entering directory '/tmp/guix-build-gpgme-1.13.1.drv-0/gpgme-1.13.1/tests/json'
make  check-TESTS
make[4]: Entering directory '/tmp/guix-build-gpgme-1.13.1.drv-0/gpgme-1.13.1/tests/json'
../../tests/start-stop-agent: line 18: which: command not found
starting gpg-agent..
../../tests/start-stop-agent: line 57: : command not found
OK
PASS: initial.test
Running t-config...
 success
Running t-version...
 success
Running t-keylist...
 success
Running t-keylist-secret...
 failed
FAIL: t-json
../../tests/start-stop-agent: line 18: which: command not found
stopping gpg-agent
PASS: final.test
=======================================
1 of 3 tests failed
Please report to https://bugs.gnupg.org
=======================================
make[4]: *** [Makefile:609: check-TESTS] Error 1
make[4]: Leaving directory '/tmp/guix-build-gpgme-1.13.1.drv-0/gpgme-1.13.1/tests/json'
make[3]: *** [Makefile:732: check-am] Error 2
make[3]: Leaving directory '/tmp/guix-build-gpgme-1.13.1.drv-0/gpgme-1.13.1/tests/json'
make[2]: *** [Makefile:734: check] Error 2
make[2]: Leaving directory '/tmp/guix-build-gpgme-1.13.1.drv-0/gpgme-1.13.1/tests/json'
make[1]: *** [Makefile:720: check-recursive] Error 1
make[1]: Leaving directory '/tmp/guix-build-gpgme-1.13.1.drv-0/gpgme-1.13.1/tests'
make: *** [Makefile:534: check-recursive] Error 1

Test suite failed, dumping logs.
command "make" "check" "-j" "4" failed with status 2
note: keeping build directory `/tmp/guix-build-gpgme-1.13.1.drv-0'
builder for `/gnu/store/s6rqh1nahanif481rxnpav0imdkas9gg-gpgme-1.13.1.drv' failed with exit code 1
a compilação de /gnu/store/s6rqh1nahanif481rxnpav0imdkas9gg-gpgme-1.13.1.drv falhou
Veja o log de compilação em "/var/log/guix/drvs/s6/rqh1nahanif481rxnpav0imdkas9gg-gpgme-1.13.1.drv.bz2".
guix build: error: build of `/gnu/store/s6rqh1nahanif481rxnpav0imdkas9gg-gpgme-1.13.1.drv' failed