From edb0c724287a0ee7cefa11f28ef43d8c5cfa1985 Mon Sep 17 00:00:00 2001
From: Junio C Hamano <junkio@cox.net>
Date: Tue, 31 May 2005 14:47:25 -0700
Subject: [PATCH] diff: consolidate test helper script pieces.

There were duplicate script pieces to help comparing diff
output, which this patch consolidates into the t/diff-lib.sh
library.

Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 t/diff-lib.sh                 | 35 +++++++++++++++++++++++++++++++++++
 t/t4003-diff-rename-1.sh      |  9 +--------
 t/t4005-diff-rename-2.sh      | 23 +----------------------
 t/t4007-rename-3.sh           | 15 +--------------
 t/t4008-diff-break-rewrite.sh | 15 +--------------
 t/t4009-diff-rename-4.sh      | 29 ++++-------------------------
 6 files changed, 43 insertions(+), 83 deletions(-)
 create mode 100644 t/diff-lib.sh

diff --git a/t/diff-lib.sh b/t/diff-lib.sh
new file mode 100644
index 0000000000..a912f435aa
--- /dev/null
+++ b/t/diff-lib.sh
@@ -0,0 +1,35 @@
+:
+
+_x40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
+_x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40"
+sanitize_diff_raw='/^:/s/ '"$_x40"' '"$_x40"' \([A-Z]\)[0-9]*	/ X X \1#	/'
+compare_diff_raw () {
+    # When heuristics are improved, the score numbers would change.
+    # Ignore them while comparing.
+    # Also we do not check SHA1 hash generation in this test, which
+    # is a job for t0000-basic.sh
+
+    sed -e "$sanitize_diff_raw" <"$1" >.tmp-1
+    sed -e "$sanitize_diff_raw" <"$2" >.tmp-2
+    diff -u .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2
+}
+
+sanitize_diff_raw_z='/^:/s/ '"$_x40"' '"$_x40"' \([A-Z]\)[0-9]*$/ X X \1#/'
+compare_diff_raw_z () {
+    # When heuristics are improved, the score numbers would change.
+    # Ignore them while comparing.
+    # Also we do not check SHA1 hash generation in this test, which
+    # is a job for t0000-basic.sh
+
+    tr '\0' '\012' <"$1" | sed -e "$sanitize_diff_raw_z" >.tmp-1
+    tr '\0' '\012' <"$2" | sed -e "$sanitize_diff_raw_z" >.tmp-2
+    diff -u .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2
+}
+
+compare_diff_patch () {
+    # When heuristics are improved, the score numbers would change.
+    # Ignore them while comparing.
+    sed -e '/^[dis]*imilarity index [0-9]*%$/d' <"$1" >.tmp-1
+    sed -e '/^[dis]*imilarity index [0-9]*%$/d' <"$2" >.tmp-2
+    diff -u .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2
+}
diff --git a/t/t4003-diff-rename-1.sh b/t/t4003-diff-rename-1.sh
index c5f325577d..7a5f73a310 100644
--- a/t/t4003-diff-rename-1.sh
+++ b/t/t4003-diff-rename-1.sh
@@ -7,14 +7,7 @@ test_description='More rename detection
 
 '
 . ./test-lib.sh
-
-compare_diff_patch () {
-    # When heuristics are improved, the score numbers would change.
-    # Ignore them while comparing.
-    sed -e '/^similarity index [0-9]*%$/d' <"$1" >.tmp-1
-    sed -e '/^similarity index [0-9]*%$/d' <"$2" >.tmp-2
-    diff -u .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2
-}
+. ../diff-lib.sh ;# test-lib chdir's into trash
 
 test_expect_success \
     'prepare reference tree' \
diff --git a/t/t4005-diff-rename-2.sh b/t/t4005-diff-rename-2.sh
index 5ac29d1f98..fa2b1556b2 100644
--- a/t/t4005-diff-rename-2.sh
+++ b/t/t4005-diff-rename-2.sh
@@ -7,28 +7,7 @@ test_description='Same rename detection as t4003 but testing diff-raw.
 
 '
 . ./test-lib.sh
-
-_x40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
-_x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40"
-sanitize_diff_raw='s/ '"$_x40"' '"$_x40"' \([A-Z]\)[0-9]*	/ X X \1#	/'
-compare_diff_raw () {
-    # When heuristics are improved, the score numbers would change.
-    # Ignore them while comparing.
-    # Also we do not check SHA1 hash generation in this test, which
-    # is a job for t0000-basic.sh
-
-    sed -e "$sanitize_diff_raw" <"$1" >.tmp-1
-    sed -e "$sanitize_diff_raw" <"$2" >.tmp-2
-    diff -u .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2
-}
-
-compare_diff_patch () {
-    # When heuristics are improved, the score numbers would change.
-    # Ignore them while comparing.
-    sed -e '/^similarity index [0-9]*%$/d' <"$1" >.tmp-1
-    sed -e '/^similarity index [0-9]*%$/d' <"$2" >.tmp-2
-    diff -u .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2
-}
+. ../diff-lib.sh ;# test-lib chdir's into trash
 
 test_expect_success \
     'prepare reference tree' \
diff --git a/t/t4007-rename-3.sh b/t/t4007-rename-3.sh
index 76ae7201f0..a55d6b65d1 100644
--- a/t/t4007-rename-3.sh
+++ b/t/t4007-rename-3.sh
@@ -7,20 +7,7 @@ test_description='Rename interaction with pathspec.
 
 '
 . ./test-lib.sh
-
-_x40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
-_x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40"
-sanitize_diff_raw='s/ '"$_x40"' '"$_x40"' \([A-Z]\)[0-9]*	/ X X \1#	/'
-compare_diff_raw () {
-    # When heuristics are improved, the score numbers would change.
-    # Ignore them while comparing.
-    # Also we do not check SHA1 hash generation in this test, which
-    # is a job for t0000-basic.sh
-
-    sed -e "$sanitize_diff_raw" <"$1" >.tmp-1
-    sed -e "$sanitize_diff_raw" <"$2" >.tmp-2
-    diff -u .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2
-}
+. ../diff-lib.sh ;# test-lib chdir's into trash
 
 test_expect_success \
     'prepare reference tree' \
diff --git a/t/t4008-diff-break-rewrite.sh b/t/t4008-diff-break-rewrite.sh
index 7189462a9e..94205b94ae 100644
--- a/t/t4008-diff-break-rewrite.sh
+++ b/t/t4008-diff-break-rewrite.sh
@@ -22,20 +22,7 @@ four changes in total.
 Further, with -B and -M together, these should turn into two renames.
 '
 . ./test-lib.sh
-
-_x40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
-_x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40"
-sanitize_diff_raw='s/ '"$_x40"' '"$_x40"' \([CDNR]\)[0-9]*	/ X X \1#	/'
-compare_diff_raw () {
-    # When heuristics are improved, the score numbers would change.
-    # Ignore them while comparing.
-    # Also we do not check SHA1 hash generation in this test, which
-    # is a job for t0000-basic.sh
-
-    sed -e "$sanitize_diff_raw" <"$1" >.tmp-1
-    sed -e "$sanitize_diff_raw" <"$2" >.tmp-2
-    diff -u .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2
-}
+. ../diff-lib.sh ;# test-lib chdir's into trash
 
 test_expect_success \
     setup \
diff --git a/t/t4009-diff-rename-4.sh b/t/t4009-diff-rename-4.sh
index 01d2766926..7d8ca6dc35 100644
--- a/t/t4009-diff-rename-4.sh
+++ b/t/t4009-diff-rename-4.sh
@@ -7,28 +7,7 @@ test_description='Same rename detection as t4003 but testing diff-raw -z.
 
 '
 . ./test-lib.sh
-
-_x40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
-_x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40"
-sanitize_diff_raw='/^:/s/ '"$_x40"' '"$_x40"' \([A-Z]\)[0-9]*$/ X X \1#/'
-compare_diff_raw () {
-    # When heuristics are improved, the score numbers would change.
-    # Ignore them while comparing.
-    # Also we do not check SHA1 hash generation in this test, which
-    # is a job for t0000-basic.sh
-
-    tr '\0' '\012' <"$1" | sed -e "$sanitize_diff_raw" >.tmp-1
-    tr '\0' '\012' <"$2" | sed -e "$sanitize_diff_raw" >.tmp-2
-    diff -u .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2
-}
-
-compare_diff_patch () {
-    # When heuristics are improved, the score numbers would change.
-    # Ignore them while comparing.
-    sed -e '/^similarity index [0-9]*%$/d' <"$1" >.tmp-1
-    sed -e '/^similarity index [0-9]*%$/d' <"$2" >.tmp-2
-    diff -u .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2
-}
+. ../diff-lib.sh ;# test-lib chdir's into trash
 
 test_expect_success \
     'prepare reference tree' \
@@ -63,7 +42,7 @@ EOF
 
 test_expect_success \
     'validate output from rename/copy detection (#1)' \
-    'compare_diff_raw current expected'
+    'compare_diff_raw_z current expected'
 
 # make sure diff-helper can grok it.
 mv current diff-raw
@@ -120,7 +99,7 @@ EOF
 
 test_expect_success \
     'validate output from rename/copy detection (#2)' \
-    'compare_diff_raw current expected'
+    'compare_diff_raw_z current expected'
 
 # make sure diff-helper can grok it.
 mv current diff-raw
@@ -173,7 +152,7 @@ EOF
 
 test_expect_success \
     'validate output from rename/copy detection (#3)' \
-    'compare_diff_raw current expected'
+    'compare_diff_raw_z current expected'
 
 # make sure diff-helper can grok it.
 mv current diff-raw
-- 
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