tree 2b78812647d4fbb82839ba2c307be15723d0639b
parent 7613ec594a3cb3a5b67bd4f363a557374e744dfb
author Pranit Bauva <pranit.bauva@gmail.com> 1581928834 +0100
committer Junio C Hamano <gitster@pobox.com> 1582133834 -0800

bisect: libify `exit_if_skipped_commits` to `error_if_skipped*` and its dependents

Since we want to get rid of git-bisect.sh, it would be necessary to
convert those exit() calls to return statements so that errors can be
reported.

Emulate try catch in C by converting `exit(<positive-value>)` to
`return <negative-value>`. Follow POSIX conventions to return
<negative-value> to indicate error.

Update all callers to handle the error returns.

Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Mentored-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Pranit Bauva <pranit.bauva@gmail.com>
Signed-off-by: Tanushree Tumane <tanushreetumane@gmail.com>
Signed-off-by: Miriam Rubio <mirucam@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>