Add a basic test case for git send-email, and fix some real bugs discovered.

diff --git a/Documentation/install-webdoc.sh b/Documentation/install-webdoc.sh
index 50638c78d5a4067320db4519131d224c55b3925a..60211a5058da658a92d99bd1d970b742dddb4e61 100755 (executable)
--- a/Documentation/install-webdoc.sh
+++ b/Documentation/install-webdoc.sh
@@ -4,12 +4,16 @@ T="$1"
 
 for h in *.html *.txt howto/*.txt howto/*.html
 do
-       diff -u -I'Last updated [0-9][0-9]-[A-Z][a-z][a-z]-' "$T/$h" "$h" || {
+       if test -f "$T/$h" &&
+          diff -u -I'Last updated [0-9][0-9]-[A-Z][a-z][a-z]-' "$T/$h" "$h"
+       then
+               :; # up to date
+       else
                echo >&2 "# install $h $T/$h"
                rm -f "$T/$h"
                mkdir -p `dirname "$T/$h"`
                cp "$h" "$T/$h"
-       }
+       fi
 done
 strip_leading=`echo "$T/" | sed -e 's|.|.|g'`
 for th in "$T"/*.html "$T"/*.txt "$T"/howto/*.txt "$T"/howto/*.html