tests: Simplify shell exit status negation;...* tests/guix-archive.sh, tests/guix-build-branch.sh, tests/guix-build.sh,
tests/guix-daemon.sh, tests/guix-download.sh, tests/guix-environment.sh,
tests/guix-gc.sh, tests/guix-git-authenticate.sh, tests/guix-graph.sh,
tests/guix-hash.sh, tests/guix-lint.sh, tests/guix-pack-relocatable.sh,
tests/guix-pack.sh, tests/guix-package-aliases.sh, tests/guix-package-net.sh,
tests/guix-package.sh: Use the shell '!' keyword to negate command exit status
in place of 'if ...; then false; else true; fi'
Eric Bavier
2020-04-04
tests: Adjust '--with-commit' test for tags....This is a followup to efa578ecaece67366b4b0e2266de7c2faaa4ae54.
* tests/guix-build-branch.sh: Adjust '--with-commit=guile-gcrypt=v0.1.0'
test to expect the tag ID rather than the commit ID.