1 files changed, 80 insertions, 0 deletions
diff --git a/tests/ls/multihardlink.sh b/tests/ls/multihardlink.sh
new file mode 100755
index 0000000..0d35981
--- /dev/null
+++ b/tests/ls/multihardlink.sh
@@ -0,0 +1,80 @@
+#!/bin/sh
+# Ensure "ls --color" properly colors names of hard linked files.
+
+# Copyright (C) 2008-2023 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/>.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ ls
+working_umask_or_skip_
+
+touch file file1 || framework_failure_
+ln file1 file2 || skip_ "can't create hard link"
+code_mh='44;37'
+code_ex='01;32'
+code_png='01;35'
+c0=$(printf '\033[0m')
+c_mh=$(printf '\033[%sm' $code_mh)
+c_ex=$(printf '\033[%sm' $code_ex)
+c_png=$(printf '\033[%sm' $code_png)
+
+# regular file - not hard linked
+LS_COLORS="mh=$code_mh" ls -U1 --color=always file > out || fail=1
+printf "file\n" > out_ok || framework_failure_
+compare out out_ok || fail=1
+
+# hard links
+LS_COLORS="mh=$code_mh" ls -U1 --color=always file1 file2 > out || fail=1
+printf "$c0${c_mh}file1$c0
+${c_mh}file2$c0
+" > out_ok || framework_failure_
+compare out out_ok || fail=1
+
+# hard links and png (hard link coloring takes precedence)
+mv file2 file2.png || framework_failure_
+LS_COLORS="mh=$code_mh:*.png=$code_png" ls -U1 --color=always file1 file2.png \
+  > out || fail=1
+printf "$c0${c_mh}file1$c0
+${c_mh}file2.png$c0
+" > out_ok || framework_failure_
+compare out out_ok || fail=1
+
+# hard links and exe (exe coloring takes precedence)
+chmod a+x file2.png || framework_failure_
+LS_COLORS="mh=$code_mh:*.png=$code_png:ex=$code_ex" \
+  ls -U1 --color=always file1 file2.png > out || fail=1
+chmod a-x file2.png || framework_failure_
+printf "$c0${c_ex}file1$c0
+${c_ex}file2.png$c0
+" > out_ok || framework_failure_
+compare out out_ok || fail=1
+
+# hard links and png (hard link coloring disabled => png coloring enabled)
+LS_COLORS="mh=00:*.png=$code_png" ls -U1 --color=always file1 file2.png > out \
+  || fail=1
+printf "file1
+$c0${c_png}file2.png$c0
+" > out_ok || framework_failure_
+compare out out_ok || fail=1
+
+# hard links and png (hard link coloring not enabled explicitly => png coloring)
+LS_COLORS="*.png=$code_png" ls -U1 --color=always file1 file2.png > out \
+  || fail=1
+printf "file1
+$c0${c_png}file2.png$c0
+" > out_ok || framework_failure_
+compare out out_ok || fail=1
+
+Exit $fail