topgit-0.19.5

TopGit-0.19.5

Small bug fix and update release

The `git rev-parse --git-common-dir` command is broken when run in
a subdirectory of the top level of a normal Git checkout.  This is
now worked around by cd'ing to the top level before using it.

The tg base command now understands the standard `--short`,
`--short=n` and `--no-short` options to control the number of hash
digits shown.

The subcommand `-h` or `--help` options can now be used outside of
a Git repository.

An initial batch of tests has been added that cover the common global
tg options and setup (and the broken rev-parse --git-common-dir issue).

Kyle J. McKay (17):
      tg.sh: next version is 0.19.5
      README: fix typo
      tg-base.sh: understand --short[=n] and --no-short options
      tg-create.sh: remove mention of --continue
      tg.sh: work around broken git rev-parse --git-common-dir
      tg.sh: allow -h or --help subcommands to work w/o repository
      t/README: establish test numbering conventions
      t1001: add basic option tests
      tg.sh: prevent the `tg base` command from causing merge setup to happen
      test-lib-main.sh: avoid chmod ""
      t1010: test that help works anywhere
      test-lib-functions.sh: make test_create_repo use --quiet
      t1020: test proper tg --top-bases operation
      t1030: test tg -C option used multiple times
      t1040: test proper operation of -r and -u options
      t1050: test tg status output
      t1060: test mergesetup configuration and broken --git-common-dir
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