From: Jeff King <peff@peff.net>
To: "SZEDER Gábor" <szeder@ira.uka.de>
Cc: git@vger.kernel.org
Subject: [PATCH 2/8] t0020: fix ignored exit code inside loops
Date: Wed, 25 Mar 2015 01:28:44 -0400 [thread overview]
Message-ID: <20150325052844.GB31924@peff.net> (raw)
In-Reply-To: <20150325052456.GA19394@peff.net>
A loop like:
for f in one two; do
something $f ||
break
done
will correctly break out of the loop when we see a failure
of one item, but the resulting exit code will always be
zero. We can fix that by putting the loop into a function or
subshell, but in this case it is simpler still to just
unroll the loop. We do add a helper function, which
hopefully makes the end result even more readable (in
addition to being shorter).
Reported-by: SZEDER Gábor <szeder@ira.uka.de>
Signed-off-by: Jeff King <peff@peff.net>
---
You can make each call site a one-liner that does the loop inside the
function (including the update-index call). But I tried to shoot for
readability rather than absolute minimum characters.
t/t0020-crlf.sh | 54 +++++++++++++++++++-----------------------------------
1 file changed, 19 insertions(+), 35 deletions(-)
diff --git a/t/t0020-crlf.sh b/t/t0020-crlf.sh
index 9fa26df..144fdcd 100755
--- a/t/t0020-crlf.sh
+++ b/t/t0020-crlf.sh
@@ -8,6 +8,13 @@ has_cr() {
tr '\015' Q <"$1" | grep Q >/dev/null
}
+# add or remove CRs to disk file in-place
+# usage: munge_cr <append|remove> <file>
+munge_cr () {
+ "${1}_cr" <"$2" >tmp &&
+ mv tmp "$2"
+}
+
test_expect_success setup '
git config core.autocrlf false &&
@@ -100,14 +107,9 @@ test_expect_success 'update with autocrlf=input' '
rm -f tmp one dir/two three &&
git read-tree --reset -u HEAD &&
git config core.autocrlf input &&
-
- for f in one dir/two
- do
- append_cr <$f >tmp && mv -f tmp $f &&
- git update-index -- $f ||
- break
- done &&
-
+ munge_cr append one &&
+ munge_cr append dir/two &&
+ git update-index -- one dir/two &&
differs=$(git diff-index --cached HEAD) &&
verbose test -z "$differs"
@@ -118,14 +120,9 @@ test_expect_success 'update with autocrlf=true' '
rm -f tmp one dir/two three &&
git read-tree --reset -u HEAD &&
git config core.autocrlf true &&
-
- for f in one dir/two
- do
- append_cr <$f >tmp && mv -f tmp $f &&
- git update-index -- $f ||
- break
- done &&
-
+ munge_cr append one &&
+ munge_cr append dir/two &&
+ git update-index -- one dir/two &&
differs=$(git diff-index --cached HEAD) &&
verbose test -z "$differs"
@@ -136,13 +133,9 @@ test_expect_success 'checkout with autocrlf=true' '
rm -f tmp one dir/two three &&
git config core.autocrlf true &&
git read-tree --reset -u HEAD &&
-
- for f in one dir/two
- do
- remove_cr <"$f" >tmp && mv -f tmp $f &&
- verbose git update-index -- $f ||
- break
- done &&
+ munge_cr remove one &&
+ munge_cr remove dir/two &&
+ git update-index -- one dir/two &&
test "$one" = $(git hash-object --stdin <one) &&
test "$two" = $(git hash-object --stdin <dir/two) &&
differs=$(git diff-index --cached HEAD) &&
@@ -154,18 +147,9 @@ test_expect_success 'checkout with autocrlf=input' '
rm -f tmp one dir/two three &&
git config core.autocrlf input &&
git read-tree --reset -u HEAD &&
-
- for f in one dir/two
- do
- if has_cr "$f"
- then
- echo "Eh? $f"
- false
- break
- else
- git update-index -- $f
- fi
- done &&
+ test_must_fail has_cr one &&
+ test_must_fail has_cr two &&
+ git update-index -- one dir/two &&
test "$one" = $(git hash-object --stdin <one) &&
test "$two" = $(git hash-object --stdin <dir/two) &&
differs=$(git diff-index --cached HEAD) &&
--
2.3.4.635.gd6ffcfe
next prev parent reply other threads:[~2015-03-25 5:28 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-20 10:04 [PATCH 0/25] detecting &&-chain breakage Jeff King
2015-03-20 10:05 ` [PATCH 01/25] t/test-lib: introduce --chain-lint option Jeff King
2015-03-25 2:53 ` SZEDER Gábor
2015-03-25 3:05 ` Jeff King
2015-03-20 10:06 ` [PATCH 02/25] t: fix severe &&-chain breakage Jeff King
2015-03-20 10:06 ` [PATCH 03/25] t: fix moderate " Jeff King
2015-03-20 10:07 ` [PATCH 04/25] t: fix trivial " Jeff King
2015-03-20 10:07 ` [PATCH 05/25] t: assume test_cmp produces verbose output Jeff King
2015-03-20 10:09 ` [PATCH 06/25] t: use verbose instead of hand-rolled errors Jeff King
2015-03-20 10:09 ` [PATCH 07/25] t: use test_must_fail instead of hand-rolled blocks Jeff King
2015-03-20 10:10 ` [PATCH 08/25] t: fix &&-chaining issues around setup which might fail Jeff King
2015-03-20 10:11 ` [PATCH 09/25] t: use test_might_fail for diff and grep Jeff King
2015-03-20 10:11 ` [PATCH 10/25] t: use test_expect_code instead of hand-rolled comparison Jeff King
2015-03-20 10:12 ` [PATCH 11/25] t: wrap complicated expect_code users in a block Jeff King
2015-03-20 10:12 ` [PATCH 12/25] t: avoid using ":" for comments Jeff King
2015-03-20 10:12 ` [PATCH 13/25] t3600: fix &&-chain breakage for setup commands Jeff King
2015-03-20 10:12 ` [PATCH 14/25] t7201: fix &&-chain breakage Jeff King
2015-03-20 10:13 ` [PATCH 15/25] t9502: " Jeff King
2015-03-20 17:48 ` Johannes Sixt
2015-03-20 18:03 ` Jeff King
2015-03-20 10:13 ` [PATCH 16/25] t6030: use modern test_* helpers Jeff King
2015-03-20 10:13 ` [PATCH 17/25] t0020: " Jeff King
2015-03-25 0:23 ` SZEDER Gábor
2015-03-25 2:56 ` Jeff King
2015-03-25 5:24 ` [PATCH 0/8] more &&-chaining test fixups Jeff King
2015-03-25 5:25 ` [PATCH 1/8] perf-lib: fix ignored exit code inside loop Jeff King
2015-03-25 5:28 ` Jeff King [this message]
2015-03-25 5:28 ` [PATCH 3/8] t3305: " Jeff King
2015-03-25 8:40 ` Johan Herland
2015-03-25 5:29 ` [PATCH 4/8] t7701: " Jeff King
2015-03-25 5:29 ` [PATCH 5/8] t: fix some trivial cases of ignored exit codes in loops Jeff King
2015-03-25 5:30 ` [PATCH 6/8] t: simplify loop exit-code status variables Jeff King
2015-03-25 17:27 ` Junio C Hamano
2015-03-25 17:43 ` Jeff King
2015-03-25 5:31 ` [PATCH 7/8] t0020: use test_* helpers instead of hand-rolled messages Jeff King
2015-03-25 5:32 ` [PATCH 8/8] t9001: drop save_confirm helper Jeff King
2015-03-25 17:29 ` [PATCH 0/8] more &&-chaining test fixups Junio C Hamano
2015-03-20 10:13 ` [PATCH 18/25] t1301: use modern test_* helpers Jeff King
2015-03-24 23:51 ` SZEDER Gábor
2015-03-25 2:45 ` Jeff King
2015-03-20 10:13 ` [PATCH 19/25] t6034: " Jeff King
2015-03-24 23:43 ` SZEDER Gábor
2015-03-20 10:13 ` [PATCH 20/25] t4117: " Jeff King
2015-03-20 10:13 ` [PATCH 21/25] t9001: use test_when_finished Jeff King
2015-03-25 2:00 ` SZEDER Gábor
2015-03-25 2:47 ` Jeff King
2015-03-20 10:13 ` [PATCH 22/25] t0050: appease --chain-lint Jeff King
2015-03-20 10:13 ` [PATCH 23/25] t7004: fix embedded single-quotes Jeff King
2015-03-20 10:13 ` [PATCH 24/25] t0005: fix broken &&-chains Jeff King
2015-03-20 10:13 ` [PATCH 25/25] t4104: drop hand-rolled error reporting Jeff King
2015-03-20 10:23 ` [PATCH 0/25] detecting &&-chain breakage Jeff King
2015-03-20 14:28 ` Michael J Gruber
2015-03-20 14:32 ` [PATCH 26/27] t/*svn*: fix moderate " Michael J Gruber
2015-03-20 14:32 ` [PATCH 27/27] t9104: fix test for following larger parents Michael J Gruber
2015-03-20 18:04 ` [PATCH 26/27] t/*svn*: fix moderate &&-chain breakage Junio C Hamano
2015-03-20 19:35 ` Junio C Hamano
2015-03-20 20:02 ` Jeff King
2015-03-20 20:13 ` Jeff King
2015-03-23 9:36 ` Michael J Gruber
2015-03-20 17:57 ` [PATCH 0/25] detecting " Jeff King
2015-03-20 17:44 ` Junio C Hamano
2015-03-20 18:00 ` Junio C Hamano
2015-03-20 18:04 ` Jeff King
2015-03-20 18:33 ` Junio C Hamano
2015-03-20 23:18 ` Eric Sunshine
2015-03-21 8:19 ` Jeff King
2015-03-21 18:01 ` Junio C Hamano
2015-03-21 22:23 ` Jeff King
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