Merge branch 'ho/dashless' into maint

* ho/dashless:
  tests: use "git xyzzy" form (t7200 - t9001)
  tests: use "git xyzzy" form (t7000 - t7199)
  tests: use "git xyzzy" form (t3600 - t6999)
  tests: use "git xyzzy" form (t0000 - t3599)
  'git foo' program identifies itself without dash in die() messages
  Start conforming code to "git subcmd" style

diff --cc builtin-apply.c
Simple merge

diff --cc t/t5300-pack-object.sh
Simple merge