test-share: handle sed/GNU-sed discrepancies

tests/test-share

@@ -1,42 +1,43 b''
 #!/bin/sh
 
 echo "[extensions]"      >> $HGRCPATH
 echo "share = "          >> $HGRCPATH
 
 echo % prepare repo1
 hg init repo1
 cd repo1
 echo a > a
 hg commit -A -m'init'
 
 echo % share it
 cd ..
 hg share repo1 repo2
 
 echo % contents of repo2/.hg
 cd repo2
 [ -d .hg/store ] \
   && echo "fail: .hg/store should not exist" \
   || echo "pass: .hg/store does not exist"
-cat .hg/sharedpath | sed "s:$HGTMP:*HGTMP*:"; echo
+# sed appends a newline to the stream if none, GNU sed does not
+sed "s:$HGTMP:*HGTMP*:" .hg/sharedpath | tr -d '\n'; echo
 
 echo % commit in shared clone
 echo a >> a
 hg commit -m'change in shared clone'
 
 echo % check original
 cd ../repo1
 hg log
 hg update
 cat a             # should be two lines of "a"
 
 echo % commit in original
 echo b > b
 hg commit -A -m'another file'
 
 echo % check in shared clone
 cd ../repo2
 hg log
 hg update
 cat b             # should exist with one "b"