Merge branch 'core-updates' Conflicts: gnu/packages/bootstrap.scm
gnu: tre: Build a locale for the tests. * gnu/packages/tre.scm (tre)[arguments]: Add 'install-locales' phase.
Merge branch 'master' into 'core-updates'.
gnu: Add tre (including the agrep utility) * gnu/packages/tre.scm: New file. * gnu-system.am (GNU_SYSTEM_MODULES): Add it.