Change all non posix constructs except for stacked pushd/popd for the
sake of reviewability.
The reminder will be done in a separate commit.
Signed-off-by: Ralph Sennhauser <ralph.sennhauser@gmail.com>
This updates shell scripts to use a consistent style that can be enforced
via pre-commit hook.
As for choosing tabs over spaces, some arguments are:
- tabs can help people with visual impairment
- tabs allow for indenting heredocs in bash
- tabs are the default for the tool shfmt
Signed-off-by: Ralph Sennhauser <ralph.sennhauser@gmail.com>
