From 84229c7ac9cce2af0be47636773f881eed88f6bc Mon Sep 17 00:00:00 2001
From: Wayne Davison <wayned@samba.org>
Date: Sat, 5 Jul 2003 22:57:08 +0000
Subject: [PATCH] We now figure out if diff accepts -u and we'll use it instead
 of -c, if possible.

---
 testsuite/rsync.fns      | 10 ++++++++--
 testsuite/trimslash.test |  4 +---
 testsuite/wildmatch.test |  2 +-
 3 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/testsuite/rsync.fns b/testsuite/rsync.fns
index 42b7b7ef..19e88aa0 100644
--- a/testsuite/rsync.fns
+++ b/testsuite/rsync.fns
@@ -27,6 +27,12 @@ RSYNC="$rsync_bin"
 # Berkley's nice.
 PATH="$PATH:/usr/ucb"
 
+if diff -u $srcdir/testsuite/rsync.fns $srcdir/testsuite/rsync.fns >/dev/null 2>&1; then
+    diffopt="-u"
+else
+    diffopt="-c"
+fi
+
 runtest() {
     echo $ECHO_N "Test $1: $ECHO_C"
     if eval "$2"
@@ -157,7 +163,7 @@ checkit() {
     echo ""
     for f in `cd "$2"; find . -type f -print `
     do 
-        diff -c "$2"/"$f" "$3"/"$f" || failed=YES
+        diff $diffopt "$2"/"$f" "$3"/"$f" || failed=YES
     done
 
     echo "-------------"
@@ -165,7 +171,7 @@ checkit() {
     echo ""
     ( cd "$2" && rsync_ls_lR . ) > ${TMP}/ls-from 
     ( cd "$3" && rsync_ls_lR . ) > ${TMP}/ls-to 
-    diff -c ${TMP}/ls-from ${TMP}/ls-to || failed=YES
+    diff $diffopt ${TMP}/ls-from ${TMP}/ls-to || failed=YES
     if [ -z "${failed}" ] ; then
 	return 0
     else
diff --git a/testsuite/trimslash.test b/testsuite/trimslash.test
index cf118407..a22906a3 100644
--- a/testsuite/trimslash.test
+++ b/testsuite/trimslash.test
@@ -15,7 +15,7 @@ set -x
 	"//a//" "////" \
         "/Users/Wierd Macintosh Name/// Ooh, translucent plastic/" \
 	> "$scratchdir/slash.out"
-diff -c "$scratchdir/slash.out" - <<EOF
+diff $diffopt "$scratchdir/slash.out" - <<EOF
 /usr/local/bin
 /usr/local/bin
 /usr/local/bin
@@ -25,5 +25,3 @@ diff -c "$scratchdir/slash.out" - <<EOF
 EOF
 
 exit 0
-# last [] may have failed but if we get here then we've won
-
diff --git a/testsuite/wildmatch.test b/testsuite/wildmatch.test
index 3366dd59..4bfddbce 100644
--- a/testsuite/wildmatch.test
+++ b/testsuite/wildmatch.test
@@ -12,7 +12,7 @@
 set -x
 
 "$TOOLDIR/wildtest" >"$scratchdir/wild.out"
-diff -c "$scratchdir/wild.out" - <<EOF
+diff $diffopt "$scratchdir/wild.out" - <<EOF
 EOF
 
 exit 0
-- 
2.34.1