Documentation/CodingGuidelines says, "Some clever tricks, like using the !! operator with arithmetic constructs, can be extremely confusing to others. Avoid them, unless there is a compelling reason to use them." There was a usage for which there's no compelling reason.So, replace such a usage as with something else that expresses the intent more clearly. Signed-off-by: Kaartic Sivaraam <kaarticsivaraam91196@xxxxxxxxx> --- I think the expression, !!opts.new_branch_force is equivalent to, opts.new_branch_force != NULL in all cases. If it's not, let me know. builtin/checkout.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/builtin/checkout.c b/builtin/checkout.c index 5c202b7af..76859da9d 100644 --- a/builtin/checkout.c +++ b/builtin/checkout.c @@ -1281,11 +1281,10 @@ int cmd_checkout(int argc, const char **argv, const char *prefix) if (opts.new_branch) { struct strbuf buf = STRBUF_INIT; + int force = opts.new_branch_force != NULL; - opts.branch_exists = - validate_new_branchname(opts.new_branch, &buf, - !!opts.new_branch_force, - !!opts.new_branch_force); + opts.branch_exists = validate_new_branchname(opts.new_branch, &buf, + force, force); strbuf_release(&buf); } -- 2.14.1.868.g66c78774b