Log message:
pkgtools/pkg_regress: update to 0.6
Changes since 0.5:
mktemp does not use a file pattern anymore. That file pattern had the
effect that all temporary files had the same name: /tmp/pkg_regress.

Log message:
pkgtools/pkg_regress: update to 0.5
Changes since 0.4:
The log output in verbose mode surrounds each test now and says
immediately whether that test fails. Before, that information was
collected and only shown at the very end of the output, which was
inconvenient.

Log message:
pkgtools/pkg_regress: update to 0.4
Changes since 0.3:
* when a regression test fails, the exit code of pkg_regress is 1
  instead of 0.

Log message:
pkgtools/pkg_regress: use SUBST framework for placeholders

Log message:
Don't fail when a regression test uses "set -eu".

Log message:
Updated pkg_regress to 0.3.
Changes since 0.2:
* provide usage message when called with invalid options
* moved do_test_default() from public API section in the source
* renamed private variables to not be in uppercase
* indented consistently
* replaced unnecessary ${VAR} with simple $VAR
* moved actual test execution into its own function
* when invoked with the -v option, announce which test will be run

Log message:
Remove pkgviews: don't set PKG_INSTALLATION_TYPES in Makefiles.

Log message:
Just define PKGNAME and use it.