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#!/bin/bash
# Copyright 2013 Robin Mittal <robinmittal.it@gmail.com>
# Copyright 2013 Divya Kothari <divya.s.kothari@gmail.com>
[ -f testing.sh ] && . testing.sh
#testing "name" "command" "result" "infile" "stdin"
#set -x
echo file1 > file
testing "create_hardlink" "ln file hlink && [ file -ef hlink ] &&
echo 'yes'" "yes\n" "" ""
testing "create_softlink" "ln -s file slink && [ -L slink ] &&
readlink slink" "file\n" "" ""
rm slink hlink
echo hlink1 > hlink
testing "force_create_hardlink" "ln -f file hlink &&
[ file -ef hlink ] && cat hlink 2>/dev/null" "file1\n" "" ""
echo slink1 > slink
testing "force_create_symlink" "ln -f -s file slink &&
[ -L slink ] && readlink slink" "file\n" "" ""
rm slink hlink
echo hlink1 > hlink
set +e
testing "preserves_hardlinks" "ln file hlink 2>/dev/null || echo 'yes'" \
"yes\n" "" ""
echo slink1 > slink
set +e
testing "preserves_symlinks" "ln -s file slink 2>/dev/null || echo 'yes'" \
"yes\n" "" ""
rm slink hlink
mkdir dir
testing "multilevel_symbolic_links" "ln -s dir slink &&
ln -s file slink && [ -L slink -a -L slink/file ] &&
readlink slink && readlink slink/file" "dir\nfile\n" "" ""
rm slink
testing "no_dereference" "ln -s dir slink &&
ln -n -s file slink 2>/dev/null || [ -L slink ] && readlink slink" \
"dir\n" "" ""
rm slink
testing "-T acts like -n" "ln -s dir slink &&
ln -Tsf file slink || [ -L slink ] && readlink slink" "file\n" "" ""
rm slink
testing "-T with dir" "ln -Ts file dir 2>/dev/null || echo yes" "yes\n" "" ""
rm -rf file dir slink
testing "-t" "ln -st . one/two three && readlink two three" "one/two\nthree\n" \
"" ""
touch file1 file2 && mkdir dir
testing "create_multiple_hardlinks" "ln file* dir/ &&
[ file1 -ef dir/file1 -a file2 -ef dir/file2 ] && echo 'yes'" "yes\n" "" ""
rm -rf file* dir
touch file1 file2 && mkdir dir
testing "create_multiple_softlinks" "ln -s file* dir/ &&
[ -L dir/file1 -a -L dir/file2 ] && readlink dir/file1 &&
readlink dir/file2" "file1\nfile2\n" "" ""
rm -rf file* dir
echo file1 > file
testing "create_softlink_and_remove_sourcefile" "ln -s file slink &&
[ -L slink ] && rm file && cat slink 2>/dev/null || echo 'yes' " \
"yes\n" "" ""
rm -f file slink
echo file1 > file
testing "create_hardlink_and_remove_sourcefile" "ln file hlink &&
[ file -ef hlink ] && rm file && [ -f hlink ] && echo 'yes'" \
"yes\n" "" ""
rm -f file hlink
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