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-rwxr-xr-xtests/mv/part-symlink.sh262
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diff --git a/tests/mv/part-symlink.sh b/tests/mv/part-symlink.sh
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+#!/bin/sh
+# make sure cp and mv can handle many combinations of local and
+# other-partition regular/symlink'd files.
+
+# Copyright (C) 2000-2023 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/>.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ cp mv
+
+cleanup_() { rm -rf "$other_partition_tmpdir"; }
+. "$abs_srcdir/tests/other-fs-tmpdir"
+
+# On NFS on Linux 2.6.9 at least we get:
+# mv: preserving permissions for 'rem_sl': Operation not supported
+require_local_dir_
+
+pwd_tmp=$(pwd)
+
+# Unset CDPATH. Otherwise, output from the 'cd dir' command
+# can make this test fail.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+
+# Four cases:
+# local regular file w/symlink on another partition
+# (loc_reg, rem_sl)
+# (rem_sl, loc_reg)
+# local symlink to regular file on another partition
+# (loc_sl, rem_reg)
+# (rem_reg, loc_sl)
+
+# Exercise those four cases for each of
+# cp and mv, with lots of combinations of options.
+
+exec 1> actual
+
+# FIXME: This should be bigger: like more than 8k
+contents=XYZ
+
+loc_reg=loc_reg
+loc_sl=loc_sl
+rem_reg=$other_partition_tmpdir/rem_reg
+rem_sl=$other_partition_tmpdir/rem_sl
+
+for copy in cp mv; do
+ for args in \
+ 'loc_reg rem_sl' \
+ 'rem_sl loc_reg' \
+ 'loc_sl rem_reg' \
+ 'rem_reg loc_sl' \
+ ; do
+ for options in '' --rem '--rem -d' '--rem -b' -b -bd -d; do
+ case "$options" in *d*|*--rem*) test $copy = mv && continue;; esac
+ rm -rf dir || fail=1
+ rm -f "$other_partition_tmpdir"/* || fail=1
+ mkdir dir || fail=1
+ cd dir || fail=1
+ case "$args" in *loc_reg*) reg_abs="$(pwd)/$loc_reg" ;; esac
+ case "$args" in *rem_reg*) reg_abs=$rem_reg ;; esac
+ case "$args" in *loc_sl*) slink=$loc_sl ;; esac
+ case "$args" in *rem_sl*) slink=$rem_sl ;; esac
+
+ echo $contents > "$reg_abs" || framework_failure_
+ ln -nsf "$reg_abs" $slink || fail=1
+ actual_args=$(echo $args|sed 's,^,$,;s/ / $/')
+ actual_args=$(eval echo $actual_args)
+
+ (
+ (
+ # echo 1>&2 cp $options $args
+ $copy $options $actual_args 2>.err
+ copy_status=$?
+ echo $copy_status $copy $options $args
+
+ # Normalize the program name in the error output,
+ # remove any site-dependent part of other-partition file name,
+ # and put brackets around the output.
+ test -s .err \
+ && {
+ echo ' [' | tr -d '\n'
+ sed 's/^[^:][^:]*\(..\):/\1:/;s,'"$other_partition_tmpdir/,," .err |
+ tr -d '\n'
+ echo ']'
+ }
+ # Strip off all but the file names.
+ # Remove any site-dependent part of each file name.
+ ls=$(ls -gG --ignore=.err . \
+ | sed \
+ -e '/^total /d' \
+ -e "s,$other_partition_tmpdir/,," \
+ -e "s,$pwd_tmp/,," \
+ -e 's/^[^ ]* *[^ ]* *[^ ]* *[^ ]* *[^ ]* *[^ ]* *//')
+ ls2=$(cd "$other_partition_tmpdir" && ls -gG --ignore=.err . \
+ | sed \
+ -e '/^total /d' \
+ -e "s,$other_partition_tmpdir/,," \
+ -e "s,$pwd_tmp/,," \
+ -e 's/^[^ ]* *[^ ]* *[^ ]* *[^ ]* *[^ ]* *[^ ]* *//')
+ echo " ("$ls") ("$ls2")"
+
+ # If the command failed, then it must not have changed the files.
+ if test $copy_status != 0; then
+ for f in $actual_args; do
+ test -f $f ||
+ { echo " $copy FAILED but removed $f"; continue; }
+ case "$(cat $f)" in
+ "$contents") ;;
+ *) echo " $copy FAILED but modified $f";;
+ esac
+ done
+ fi
+
+ if test $copy = cp; then
+ # Make sure the original is unchanged and that
+ # the destination is a copy.
+ for f in $actual_args; do
+ if test -f $f; then
+ if test $copy_status != 0; then
+ test
+ fi
+ case "$(cat $f)" in
+ "$contents") ;;
+ *) echo " $copy FAILED";;
+ esac
+ else
+ echo " symlink-loop"
+ fi
+ done
+ fi
+ )
+ ) | sed 's/ *$//'
+ cd ..
+ done
+ echo
+ done
+done
+
+test $fail = 1 &&
+ { (exit 1); exit; }
+
+cat <<\EOF > expected || framework_failure_
+1 cp loc_reg rem_sl
+ [cp: 'loc_reg' and 'rem_sl' are the same file]
+ (loc_reg) (rem_sl -> dir/loc_reg)
+0 cp --rem loc_reg rem_sl
+ (loc_reg) (rem_sl)
+0 cp --rem -d loc_reg rem_sl
+ (loc_reg) (rem_sl)
+0 cp --rem -b loc_reg rem_sl
+ (loc_reg) (rem_sl rem_sl~ -> dir/loc_reg)
+0 cp -b loc_reg rem_sl
+ (loc_reg) (rem_sl rem_sl~ -> dir/loc_reg)
+0 cp -bd loc_reg rem_sl
+ (loc_reg) (rem_sl rem_sl~ -> dir/loc_reg)
+1 cp -d loc_reg rem_sl
+ [cp: 'loc_reg' and 'rem_sl' are the same file]
+ (loc_reg) (rem_sl -> dir/loc_reg)
+
+1 cp rem_sl loc_reg
+ [cp: 'rem_sl' and 'loc_reg' are the same file]
+ (loc_reg) (rem_sl -> dir/loc_reg)
+1 cp --rem rem_sl loc_reg
+ [cp: 'rem_sl' and 'loc_reg' are the same file]
+ (loc_reg) (rem_sl -> dir/loc_reg)
+1 cp --rem -d rem_sl loc_reg
+ [cp: 'rem_sl' and 'loc_reg' are the same file]
+ (loc_reg) (rem_sl -> dir/loc_reg)
+1 cp --rem -b rem_sl loc_reg
+ [cp: 'rem_sl' and 'loc_reg' are the same file]
+ (loc_reg) (rem_sl -> dir/loc_reg)
+1 cp -b rem_sl loc_reg
+ [cp: 'rem_sl' and 'loc_reg' are the same file]
+ (loc_reg) (rem_sl -> dir/loc_reg)
+0 cp -bd rem_sl loc_reg
+ (loc_reg -> dir/loc_reg loc_reg~) (rem_sl -> dir/loc_reg)
+ symlink-loop
+ symlink-loop
+1 cp -d rem_sl loc_reg
+ [cp: 'rem_sl' and 'loc_reg' are the same file]
+ (loc_reg) (rem_sl -> dir/loc_reg)
+
+1 cp loc_sl rem_reg
+ [cp: 'loc_sl' and 'rem_reg' are the same file]
+ (loc_sl -> rem_reg) (rem_reg)
+1 cp --rem loc_sl rem_reg
+ [cp: 'loc_sl' and 'rem_reg' are the same file]
+ (loc_sl -> rem_reg) (rem_reg)
+1 cp --rem -d loc_sl rem_reg
+ [cp: 'loc_sl' and 'rem_reg' are the same file]
+ (loc_sl -> rem_reg) (rem_reg)
+1 cp --rem -b loc_sl rem_reg
+ [cp: 'loc_sl' and 'rem_reg' are the same file]
+ (loc_sl -> rem_reg) (rem_reg)
+1 cp -b loc_sl rem_reg
+ [cp: 'loc_sl' and 'rem_reg' are the same file]
+ (loc_sl -> rem_reg) (rem_reg)
+0 cp -bd loc_sl rem_reg
+ (loc_sl -> rem_reg) (rem_reg -> rem_reg rem_reg~)
+ symlink-loop
+ symlink-loop
+1 cp -d loc_sl rem_reg
+ [cp: 'loc_sl' and 'rem_reg' are the same file]
+ (loc_sl -> rem_reg) (rem_reg)
+
+1 cp rem_reg loc_sl
+ [cp: 'rem_reg' and 'loc_sl' are the same file]
+ (loc_sl -> rem_reg) (rem_reg)
+0 cp --rem rem_reg loc_sl
+ (loc_sl) (rem_reg)
+0 cp --rem -d rem_reg loc_sl
+ (loc_sl) (rem_reg)
+0 cp --rem -b rem_reg loc_sl
+ (loc_sl loc_sl~ -> rem_reg) (rem_reg)
+0 cp -b rem_reg loc_sl
+ (loc_sl loc_sl~ -> rem_reg) (rem_reg)
+0 cp -bd rem_reg loc_sl
+ (loc_sl loc_sl~ -> rem_reg) (rem_reg)
+1 cp -d rem_reg loc_sl
+ [cp: 'rem_reg' and 'loc_sl' are the same file]
+ (loc_sl -> rem_reg) (rem_reg)
+
+0 mv loc_reg rem_sl
+ () (rem_sl)
+0 mv -b loc_reg rem_sl
+ () (rem_sl rem_sl~ -> dir/loc_reg)
+
+1 mv rem_sl loc_reg
+ [mv: 'rem_sl' and 'loc_reg' are the same file]
+ (loc_reg) (rem_sl -> dir/loc_reg)
+0 mv -b rem_sl loc_reg
+ (loc_reg -> dir/loc_reg loc_reg~) ()
+
+1 mv loc_sl rem_reg
+ [mv: 'loc_sl' and 'rem_reg' are the same file]
+ (loc_sl -> rem_reg) (rem_reg)
+0 mv -b loc_sl rem_reg
+ () (rem_reg -> rem_reg rem_reg~)
+
+0 mv rem_reg loc_sl
+ (loc_sl) ()
+0 mv -b rem_reg loc_sl
+ (loc_sl loc_sl~ -> rem_reg) ()
+
+EOF
+
+# Redirect to stderr, since stdout is already taken.
+compare expected actual 1>&2 || fail=1
+
+Exit $fail
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