t9300: factor out portable "head -c" replacement

diff --git a/t/lib-httpd.sh b/t/lib-httpd.sh
index e6adf2f82d59027279e06e0d273e719226d82184..f9f3e5fd82e1b34d87993f750bd05e46e69bd82c 100644 (file)
--- a/t/lib-httpd.sh
+++ b/t/lib-httpd.sh
@@ -30,6 +30,18 @@
 # Copyright (c) 2008 Clemens Buchacher <drizzd@aon.at>
 #
 
+if test -n "$NO_CURL"
+then
+       skip_all='skipping test, git built without http support'
+       test_done
+fi
+
+if test -n "$NO_EXPAT" && test -n "$LIB_HTTPD_DAV"
+then
+       skip_all='skipping test, git built without expat support'
+       test_done
+fi
+
 test_tristate GIT_TEST_HTTPD
 if test "$GIT_TEST_HTTPD" = false
 then
@@ -86,8 +98,8 @@ then
        test_skip_or_die $GIT_TEST_HTTPD "no web server found at '$LIB_HTTPD_PATH'"
 fi
 
-HTTPD_VERSION=`$LIB_HTTPD_PATH -v | \
-       sed -n 's/^Server version: Apache\/\([0-9]*\)\..*$/\1/p; q'`
+HTTPD_VERSION=$($LIB_HTTPD_PATH -v | \
+       sed -n 's/^Server version: Apache\/\([0-9]*\)\..*$/\1/p; q')
 
 if test -n "$HTTPD_VERSION"
 then