[PATCH 0/3] gitk: macOS improvements

The following patches improve the user experience for gitk in macOS
by avoiding to abort if the terminal where it is running hasn't been
authorized for Automation as reported a few[1,2] times already.

It has been tested in macOS 11.5.1 using both the system tk (8.5) and
the latest (8.6.11) from brew, the third[3] patch is needed for using
8.6 and has been included with the gitk version from brew as well.

Carlo Marcelo Arenas Belón (2):
  gitk: skip calling osascript to set frontmost for tk >= 8.6
  gitk: avoid fatal error if `exec osascript` fails

Tobias Pietzsch (1):
  gitk: check main window visibility before waiting for it to show

 gitk | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

[1] https://lore.kernel.org/git/20180724065120.7664-1-sunshine@sunshineco.com/ (local)
[2] https://lore.kernel.org/git/20201025175149.11853-1-dev+git@drbeat.li/ (local)
[3] https://lore.kernel.org/git/pull.944.git.git.1610234771966.gitgitgadget@gmail.com/ (local)
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2.33.0.rc0.433.g9a510e7e11