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#!/bin/sh
# Ensure ls output is aligned when using abbreviated months from the locale
# Copyright (C) 2009-2023 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
print_ver_ ls
mid_month="$(date +%Y-%m-15)" || framework_failure_
for mon in $(seq -w 12); do
touch -d"$mid_month +$mon month" $mon.ts || framework_failure_
done
# Note some of the following locales may be missing but if so
# we should fail back to the C locale which should be aligned
for format in "%b" "[%b" "%b]" "[%b]"; do
for LOC in C gv_GB ga_IE fi_FI.utf8 zh_CN ar_SY $LOCALE_FR_UTF8; do
# The sed usage here is slightly different from the original,
# removing the \(.*\), to avoid triggering misbehavior in at least
# GNU sed 4.2 (possibly miscompiled) on Mac OS X (Darwin 9.8.0).
months="$(
LC_ALL=$LOC TIME_STYLE=+"$format" ls -lgG *.ts |
LC_ALL=C sed 's/.\{15\}//;s/ ..\.ts$//;s/ /./g')"
n_widths=$(echo "$months" |
while read mon; do echo "$mon" | LC_ALL=$LOC wc -L; done |
uniq | wc -l
)
n_dupes=$(echo "$months" | sort | uniq -d | wc -l)
test "$n_widths" = "1" || { fail=1; break 2; }
test "$n_dupes" = "0" || { fail=1; break 2; }
done
done
if test "$fail" = "1"; then
echo "misalignment or ambiguous output in $LOC locale:"
LC_ALL=$LOC TIME_STYLE=+%b ls -lgG *.ts
fi
Exit $fail
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