tests: update test-relink to pass our import checker

tests/test-relink.t

@@ -1,100 +1,102 b''
 #require hardlink
 
   $ echo "[extensions]" >> $HGRCPATH
   $ echo "relink=" >> $HGRCPATH
 
   $ fix_path() {
   >     tr '\\' /
   > }
 
   $ cat > arelinked.py <<EOF
-  > import sys, os
+  > from __future__ import absolute_import, print_function
+  > import os
+  > import sys
   > from mercurial import util
   > path1, path2 = sys.argv[1:3]
   > if util.samefile(path1, path2):
-  >     print '%s == %s' % (path1, path2)
+  >     print('%s == %s' % (path1, path2))
   > else:
-  >     print '%s != %s' % (path1, path2)
+  >     print('%s != %s' % (path1, path2))
   > EOF
 
 
 create source repository
 
   $ hg init repo
   $ cd repo
   $ echo a > a
   $ echo b > b
   $ hg ci -Am addfile
   adding a
   adding b
   $ cat "$TESTDIR/binfile.bin" >> a
   $ cat "$TESTDIR/binfile.bin" >> b
   $ hg ci -Am changefiles
 
 make another commit to create files larger than 1 KB to test
 formatting of final byte count
 
   $ cat "$TESTDIR/binfile.bin" >> a
   $ cat "$TESTDIR/binfile.bin" >> b
   $ hg ci -m anotherchange
 
 don't sit forever trying to double-lock the source repo
 
   $ hg relink .
   relinking $TESTTMP/repo/.hg/store to $TESTTMP/repo/.hg/store (glob)
   there is nothing to relink
 
 
 Test files are read in binary mode
 
   $ $PYTHON -c "file('.hg/store/data/dummy.i', 'wb').write('a\r\nb\n')"
   $ cd ..
 
 
 clone and pull to break links
 
   $ hg clone --pull -r0 repo clone
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 2 changes to 2 files
   updating to branch default
   2 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ cd clone
   $ hg pull -q
   $ echo b >> b
   $ hg ci -m changeb
   created new head
   $ $PYTHON -c "file('.hg/store/data/dummy.i', 'wb').write('a\nb\r\n')"
 
 
 relink
 
   $ hg relink --debug --config progress.debug=true | fix_path
   relinking $TESTTMP/repo/.hg/store to $TESTTMP/clone/.hg/store
   tip has 2 files, estimated total number of files: 3
   collecting: 00changelog.i 1/3 files (33.33%)
   collecting: 00manifest.i 2/3 files (66.67%)
   collecting: a.i 3/3 files (100.00%)
   collecting: b.i 4/3 files (133.33%)
   collecting: dummy.i 5/3 files (166.67%)
   collected 5 candidate storage files
   not linkable: 00changelog.i
   not linkable: 00manifest.i
   pruning: data/a.i 3/5 files (60.00%)
   not linkable: data/b.i
   pruning: data/dummy.i 5/5 files (100.00%)
   pruned down to 2 probably relinkable files
   relinking: data/a.i 1/2 files (50.00%)
   not linkable: data/dummy.i
   relinked 1 files (1.36 KB reclaimed)
   $ cd ..
 
 
 check hardlinks
 
   $ $PYTHON arelinked.py repo/.hg/store/data/a.i clone/.hg/store/data/a.i
   repo/.hg/store/data/a.i == clone/.hg/store/data/a.i
   $ $PYTHON arelinked.py repo/.hg/store/data/b.i clone/.hg/store/data/b.i
   repo/.hg/store/data/b.i != clone/.hg/store/data/b.i