git/t/t7518-ident-corner-cases.sh
Jeff King 13b9a24e58 ident: reject all-crud ident name
An ident name consisting of only "crud" characters (like
whitespace or punctuation) is effectively the same as an
empty one, because our strbuf_addstr_without_crud() will
remove those characters.

We reject an empty name when formatting a strict ident, but
don't notice an all-crud one because our check happens
before the crud-removal step.

We could skip past the crud before checking for an empty
name, but let's make it a separate code path, for two
reasons. One is that we can give a more specific error
message. And two is that unlike a blank name, we probably
don't want to kick in the fallback-to-username behavior.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2017-02-23 12:47:02 -08:00

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#!/bin/sh
test_description='corner cases in ident strings'
. ./test-lib.sh
# confirm that we do not segfault _and_ that we do not say "(null)", as
# glibc systems will quietly handle our NULL pointer
#
# Note also that we can't use "env" here because we need to unset a variable,
# and "-u" is not portable.
test_expect_success 'empty name and missing email' '
(
sane_unset GIT_AUTHOR_EMAIL &&
GIT_AUTHOR_NAME= &&
test_must_fail git commit --allow-empty -m foo 2>err &&
test_i18ngrep ! null err
)
'
test_expect_success 'commit rejects all-crud name' '
test_must_fail env GIT_AUTHOR_NAME=" .;<>" \
git commit --allow-empty -m foo
'
test_done