Fix t5516-fetch for systems where `wc -l` outputs whitespace.

diff --git a/t/t6000lib.sh b/t/t6000lib.sh
index c6752af48e04993e3ed3efebf288ffa86d02633a..d548bf8026289f1d590ecd0e0b7ec883650c4d78 100755 (executable)
--- a/t/t6000lib.sh
+++ b/t/t6000lib.sh
@@ -17,17 +17,17 @@ unique_commit()
        _text=$1
         _tree=$2
        shift 2
-       echo $_text | git-commit-tree $(tag $_tree) "$@"
+       echo $_text | git-commit-tree $(tag $_tree) "$@"
 }
 
 # Save the output of a command into the tag specified. Prepend
 # a substitution script for the tag onto the front of sed.script
 save_tag()
 {
-       _tag=$1 
+       _tag=$1
        [ -n "$_tag" ] || error "usage: save_tag tag commit-args ..."
        shift 1
-       "$@" >.git/refs/tags/$_tag
+       "$@" >.git/refs/tags/$_tag
 
         echo "s/$(tag $_tag)/$_tag/g" > sed.script.tmp
        cat sed.script >> sed.script.tmp
@@ -35,7 +35,7 @@ save_tag()
        mv sed.script.tmp sed.script
 }
 
-# Replace unhelpful sha1 hashses with their symbolic equivalents 
+# Replace unhelpful sha1 hashses with their symbolic equivalents
 entag()
 {
        sed -f sed.script
@@ -62,14 +62,16 @@ as_author()
 commit_date()
 {
         _commit=$1
-       git-cat-file commit $_commit | sed -n "s/^committer .*> \([0-9]*\) .*/\1/p" 
+       git-cat-file commit $_commit | sed -n "s/^committer .*> \([0-9]*\) .*/\1/p"
 }
 
 on_committer_date()
 {
     _date=$1
     shift 1
-    GIT_COMMITTER_DATE=$_date "$@"
+    export GIT_COMMITTER_DATE="$_date"
+    "$@"
+    unset GIT_COMMITTER_DATE
 }
 
 # Execute a command and suppress any error output.
@@ -101,14 +103,14 @@ name_from_description()
 
 # Execute the test described by the first argument, by eval'ing
 # command line specified in the 2nd argument. Check the status code
-# is zero and that the output matches the stream read from 
+# is zero and that the output matches the stream read from
 # stdin.
 test_output_expect_success()
-{      
+{
        _description=$1
         _test=$2
         [ $# -eq 2 ] || error "usage: test_output_expect_success description test <<EOF ... EOF"
         _name=$(echo $_description | name_from_description)
        cat > $_name.expected
-       test_expect_success "$_description" "check_output $_name \"$_test\"" 
+       test_expect_success "$_description" "check_output $_name \"$_test\""
 }