In today's CI, the tail/append-to-input test fails on Alpine Linux. Here's the log:
FAIL: tests/tail/append-to-input ================================ + initial_cwd_=/work/coreutils-2026-11-10/build + testdir_prefix_ + printf gt + pfx_=gt + mktempd_ /work/coreutils-2026-11-10/build gt-append-to-input.sh.XXXX + destdir_=/work/coreutils-2026-11-10/build + template_=gt-append-to-input.sh.XXXX + MAX_TRIES_=4 + destdir_slash_=/work/coreutils-2026-11-10/build/ + unset TMPDIR + d=/work/coreutils-2026-11-10/build/gt-append-to-input.sh.F21R + : + test -d /work/coreutils-2026-11-10/build/gt-append-to-input.sh.F21R + ls -dgo /work/coreutils-2026-11-10/build/gt-append-to-input.sh.F21R + perms='drwx------ 2 4096 Nov 10 02:02 /work/coreutils-2026-11-10/build/gt-append-to-input.sh.F21R' + : + echo /work/coreutils-2026-11-10/build/gt-append-to-input.sh.F21R + return + test_dir_=/work/coreutils-2026-11-10/build/gt-append-to-input.sh.F21R + cd /work/coreutils-2026-11-10/build/gt-append-to-input.sh.F21R + srcdir=../.. + builddir=.. + export srcdir builddir + gl_init_sh_nl_=' ' + IFS=' ' + expr 1 + 128 + eval 'trap '"'"'Exit 129'"'"' 1' + trap 'Exit 129' 1 + expr 2 + 128 + eval 'trap '"'"'Exit 130'"'"' 2' + trap 'Exit 130' 2 + expr 3 + 128 + eval 'trap '"'"'Exit 131'"'"' 3' + trap 'Exit 131' 3 + expr 13 + 128 + eval 'trap '"'"'Exit 141'"'"' 13' + trap 'Exit 141' 13 + expr 15 + 128 + eval 'trap '"'"'Exit 143'"'"' 15' + trap 'Exit 143' 15 + saved_IFS=' ' + IFS=: + new_PATH= + IFS=' ' + test -d /work/coreutils-2026-11-10/build/src/. + new_PATH=/work/coreutils-2026-11-10/build/src + IFS=' ' + test -d /usr/local/bin/. + new_PATH=/work/coreutils-2026-11-10/build/src:/usr/local/bin + IFS=' ' + test -d /usr/sbin/. + new_PATH=/work/coreutils-2026-11-10/build/src:/usr/local/bin:/usr/sbin + IFS=' ' + test -d /usr/bin/. + new_PATH=/work/coreutils-2026-11-10/build/src:/usr/local/bin:/usr/sbin:/usr/bin + IFS=' ' + test -d /sbin/. + new_PATH=/work/coreutils-2026-11-10/build/src:/usr/local/bin:/usr/sbin:/usr/bin:/sbin + IFS=' ' + test -d /bin/. + new_PATH=/work/coreutils-2026-11-10/build/src:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin + IFS=' ' + PATH=/work/coreutils-2026-11-10/build/src:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin + export PATH + trap remove_tmp_ EXIT + path_prepend_ ./src + test 1 '!=' 0 + path_dir_=./src + abs_path_dir_=/work/coreutils-2026-11-10/build/./src + PATH=/work/coreutils-2026-11-10/build/./src:/work/coreutils-2026-11-10/build/src:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin + create_exe_shims_ /work/coreutils-2026-11-10/build/./src + return 0 + shift + test 0 '!=' 0 + export PATH + print_ver_ tail seq + require_built_ tail seq + skip_=no + test no '=' yes + test yes '=' yes + local i + env tail --version tail (GNU coreutils) 2026-11-10 Copyright (C) 2026 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Written by Paul Rubin, David MacKenzie, Ian Lance Taylor, and Jim Meyering. + env seq --version seq (GNU coreutils) 2026-11-10 Copyright (C) 2026 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Written by Ulrich Drepper. + seq 100000 + cp 'in' exp + tail -n1 'in' + ulimit -f 10000 + timeout 10 tail -n1 'in' + compare exp 'in' + compare_dev_null_ exp 'in' + test 2 '=' 2 + test xexp '=' x/dev/null + test xin '=' x/dev/null + return 2 + compare_ exp 'in' + LC_ALL=C diff -u exp 'in' + seq 100000 + cp 'in' exp + tail -c4 'in' + ulimit -f 10000 + timeout 10 tail -c4 'in' + compare exp 'in' + compare_dev_null_ exp 'in' + test 2 '=' 2 + test xexp '=' x/dev/null + test xin '=' x/dev/null + return 2 + compare_ exp 'in' + LC_ALL=C diff -u exp 'in' + printf 'a\nb\nc\n' + printf 'a\nb\nc\nb\nc\n' + ulimit -f 10000 + timeout 10 tail -n+2 'in' + compare exp 'in' + compare_dev_null_ exp 'in' + test 2 '=' 2 + test xexp '=' x/dev/null + test xin '=' x/dev/null + return 2 + compare_ exp 'in' + LC_ALL=C diff -u exp 'in' --- exp +++ in @@ -3,3 +3,5 @@ c b c +b +c + fail=1 + printf 'a\nb\nc\n' + printf 'a\nb\nc\nb\nc\n' + ulimit -f 10000 + timeout 10 tail -c+3 'in' + compare exp 'in' + compare_dev_null_ exp 'in' + test 2 '=' 2 + test xexp '=' x/dev/null + test xin '=' x/dev/null + return 2 + compare_ exp 'in' + LC_ALL=C diff -u exp 'in' --- exp +++ in @@ -3,3 +3,5 @@ c b c +b +c + fail=1 + Exit 1 + set +e + exit 1 + exit 1 + remove_tmp_ + __st=1 + cleanup_ + : + test '=' yes + cd /work/coreutils-2026-11-10/build + chmod -R u+rwx /work/coreutils-2026-11-10/build/gt-append-to-input.sh.F21R + rm -rf /work/coreutils-2026-11-10/build/gt-append-to-input.sh.F21R + exit 1 FAIL tests/tail/append-to-input.sh (exit status: 1)
