From: Junio C Hamano <gitster@pobox.com>
To: Stefan Beller <sbeller@google.com>
Cc: git@vger.kernel.org
Subject: Re: [PATCH] config: fix case sensitive subsection names on writing
Date: Fri, 27 Jul 2018 14:37:24 -0700 [thread overview]
Message-ID: <xmqqk1pgl5rf.fsf@gitster-ct.c.googlers.com> (raw)
In-Reply-To: <20180727205117.243770-1-sbeller@google.com> (Stefan Beller's message of "Fri, 27 Jul 2018 13:51:17 -0700")
Stefan Beller <sbeller@google.com> writes:
> A use reported a submodule issue regarding strange case indentation
> issues, but it could be boiled down to the following test case:
>
> $ git init test && cd test
> $ git config foo."Bar".key test
> $ git config foo."bar".key test
> $ tail -n 3 .git/config
> [foo "Bar"]
> key = test
> key = test
>
> Sub sections are case sensitive and we have a test for correctly reading
> them. However we do not have a test for writing out config correctly with
> case sensitive subsection names, which is why this went unnoticed in
> 6ae996f2acf (git_config_set: make use of the config parser's event
> stream, 2018-04-09)
Thanks for finding this bug and fixing it; yes it would have been
even nicer if we caught it before it hit 'master', but we can only
do what we can X-<.
> diff --git a/config.c b/config.c
> index 3aacddfec4b..3ded92b678b 100644
> --- a/config.c
> +++ b/config.c
> @@ -2374,7 +2374,7 @@ static int store_aux_event(enum config_event_t type,
> store->is_keys_section =
> store->parsed[store->parsed_nr].is_keys_section =
> cf->var.len - 1 == store->baselen &&
> - !strncasecmp(cf->var.buf, store->key, store->baselen);
> + !strncmp(cf->var.buf, store->key, store->baselen);
> if (store->is_keys_section) {
> store->section_seen = 1;
> ALLOC_GROW(store->seen, store->seen_nr + 1,
> diff --git a/t/t1300-config.sh b/t/t1300-config.sh
> index 03c223708eb..8325d4495f4 100755
> --- a/t/t1300-config.sh
> +++ b/t/t1300-config.sh
> @@ -1218,6 +1218,24 @@ test_expect_success 'last one wins: three level vars' '
> test_cmp expect actual
> '
>
> +test_expect_success 'setting different case subsections ' '
> + test_when_finished "rm -f caseSens caseSens_actual caseSens_expect" &&
> +
> + # v.a.r and v.A.r are not the same variable, as the middle
> + # level of a three-level configuration variable name is
> + # case sensitive.
> + git config -f caseSens v."A".r VAL &&
> + git config -f caseSens v."a".r val &&
It probably is easier to read to write these as "v.A.r" and "v.a.r"
respectively.
> +
> + echo VAL >caseSens_expect &&
> + git config -f caseSens v."A".r >caseSens_actual &&
> + test_cmp caseSens_expect caseSens_actual &&
> +
> + echo val >caseSens_expect &&
> + git config -f caseSens v."a".r >caseSens_actual &&
> + test_cmp caseSens_expect caseSens_actual
> +'
> +
> for VAR in a .a a. a.0b a."b c". a."b c".0d
> do
> test_expect_success "git -c $VAR=VAL rejects invalid '$VAR'" '
prev parent reply other threads:[~2018-07-27 21:37 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-27 20:51 [PATCH] config: fix case sensitive subsection names on writing Stefan Beller
2018-07-27 21:21 ` Brandon Williams
2018-07-27 21:39 ` Junio C Hamano
2018-07-27 23:35 ` Stefan Beller
2018-07-27 23:36 ` Stefan Beller
2018-07-27 23:37 ` Stefan Beller
2018-07-28 1:01 ` Junio C Hamano
2018-07-28 3:52 ` Stefan Beller
2018-07-28 10:53 ` Jeff King
2018-07-28 1:37 ` Junio C Hamano
2018-07-30 12:49 ` Johannes Schindelin
2018-07-30 23:04 ` [PATCH 0/3] " Stefan Beller
2018-07-30 23:04 ` [PATCH 1/3] t1300: document current behavior of setting options Stefan Beller
2018-07-30 23:04 ` [PATCH 2/3] config: fix case sensitive subsection names on writing Stefan Beller
2018-07-31 20:16 ` Junio C Hamano
2018-07-30 23:04 ` [PATCH 3/3] config: treat section case insensitive in store_aux_event Stefan Beller
2018-07-31 15:16 ` [PATCH 0/3] config: fix case sensitive subsection names on writing Junio C Hamano
2018-08-01 19:34 ` [PATCH 0/3] sb/config-write-fix done without robbing Peter Stefan Beller
2018-08-01 19:34 ` [PATCH 1/3] t1300: document current behavior of setting options Stefan Beller
2018-08-01 19:34 ` [PATCH 2/3] config: fix case sensitive subsection names on writing Stefan Beller
2018-08-01 21:01 ` Ramsay Jones
2018-08-01 22:26 ` Junio C Hamano
2018-08-01 22:51 ` Junio C Hamano
2018-08-03 0:30 ` Stefan Beller
2018-08-03 15:51 ` Junio C Hamano
2018-08-01 19:34 ` [PATCH 3/3] git-config: document accidental multi-line setting in deprecated syntax Stefan Beller
2018-08-01 19:58 ` [PATCH 0/3] sb/config-write-fix done without robbing Peter Eric Sunshine
2018-08-02 19:49 ` Junio C Hamano
2018-08-03 0:34 ` [PATCH 0/3] Reroll of sb/config-write-fix Stefan Beller
2018-08-03 0:34 ` [PATCH 1/3] t1300: document current behavior of setting options Stefan Beller
2018-08-03 0:34 ` [PATCH 2/3] config: fix case sensitive subsection names on writing Stefan Beller
2018-08-03 0:34 ` [PATCH 3/3] git-config: document accidental multi-line setting in deprecated syntax Stefan Beller
2018-07-27 21:37 ` Junio C Hamano [this message]
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