cmp expanded-keywords expected-output
'
+# The use of %f in a filter definition is expanded to the path to
+# the filename being smudged or cleaned. It must be shell escaped.
+# First, set up some interesting file names and pet them in
+# .gitattributes.
+test_expect_success 'filter shell-escaped filenames' '
+ cat >argc.sh <<-EOF &&
+ #!$SHELL_PATH
+ cat >/dev/null
+ echo argc: \$# "\$@"
+ EOF
+ normal=name-no-magic &&
+ special="name with '\''sq'\'' and \$x" &&
+ echo some test text >"$normal" &&
+ echo some test text >"$special" &&
+ git add "$normal" "$special" &&
+ git commit -q -m "add files" &&
+ echo "name* filter=argc" >.gitattributes &&
+
+ # delete the files and check them out again, using a smudge filter
+ # that will count the args and echo the command-line back to us
+ git config filter.argc.smudge "sh ./argc.sh %f" &&
+ rm "$normal" "$special" &&
+ git checkout -- "$normal" "$special" &&
+
+ # make sure argc.sh counted the right number of args
+ echo "argc: 1 $normal" >expect &&
+ test_cmp expect "$normal" &&
+ echo "argc: 1 $special" >expect &&
+ test_cmp expect "$special" &&
+
+ # do the same thing, but with more args in the filter expression
+ git config filter.argc.smudge "sh ./argc.sh %f --my-extra-arg" &&
+ rm "$normal" "$special" &&
+ git checkout -- "$normal" "$special" &&
+
+ # make sure argc.sh counted the right number of args
+ echo "argc: 2 $normal --my-extra-arg" >expect &&
+ test_cmp expect "$normal" &&
+ echo "argc: 2 $special --my-extra-arg" >expect &&
+ test_cmp expect "$special" &&
+ :
+'
+
test_done