Add "commit" helper script

diff --git a/t/t4005-diff-rename-2.sh b/t/t4005-diff-rename-2.sh
index 2009aec88cf00449c4b670d088ab7b0ecfe25d90..5ac29d1f98438d3530bbc8b0bdaced58200aca37 100644 (file)
--- a/t/t4005-diff-rename-2.sh
+++ b/t/t4005-diff-rename-2.sh
@@ -8,11 +8,17 @@ 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.
-    sed -e 's/ \([CR]\)[0-9]*  /\1#/' <"$1" >.tmp-1
-    sed -e 's/ \([CR]\)[0-9]*  /\1#/' <"$2" >.tmp-2
+    # Also we do not check SHA1 hash generation in this test, which
+    # is a job for t0000-basic.sh
+
+    sed -e "$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
 }
 
@@ -101,31 +107,18 @@ test_expect_success \
 
 git-diff-cache -C $tree >current
 cat >expected <<\EOF
-:100644 100644 6ff87c4664981e4397625791c8ea3bbb5f2279a3 0603b3238a076dc6c8022aedc6648fa523a17178 C1234 COPYING COPYING.1
 :100644 100644 6ff87c4664981e4397625791c8ea3bbb5f2279a3 06c67961bbaed34a127f76d261f4c0bf73eda471 M     COPYING
+:100644 100644 6ff87c4664981e4397625791c8ea3bbb5f2279a3 0603b3238a076dc6c8022aedc6648fa523a17178 C1234 COPYING COPYING.1
 EOF
 
 test_expect_success \
     'validate output from rename/copy detection (#2)' \
     'compare_diff_raw current expected'
 
-test_expect_success \
-    'prepare work tree once again' \
-    'cat ../../COPYING >COPYING &&
-     git-update-cache --add --remove COPYING COPYING.1'
-
 # make sure diff-helper can grok it.
 mv expected diff-raw
 GIT_DIFF_OPTS=--unified=0 git-diff-helper <diff-raw >current
 cat >expected <<\EOF
-diff --git a/COPYING b/COPYING.1
-copy from COPYING
-copy to COPYING.1
---- a/COPYING
-+++ b/COPYING.1
-@@ -6 +6 @@
-- HOWEVER, in order to allow a migration to GPLv3 if that seems like
-+ However, in order to allow a migration to GPLv3 if that seems like
 diff --git a/COPYING b/COPYING
 --- a/COPYING
 +++ b/COPYING
@@ -138,6 +131,14 @@ diff --git a/COPYING b/COPYING
 @@ -12 +12 @@
 -      This file is licensed under the GPL v2, or a later version
 +      This file is licensed under the G.P.L v2, or a later version
+diff --git a/COPYING b/COPYING.1
+copy from COPYING
+copy to COPYING.1
+--- a/COPYING
++++ b/COPYING.1
+@@ -6 +6 @@
+- HOWEVER, in order to allow a migration to GPLv3 if that seems like
++ However, in order to allow a migration to GPLv3 if that seems like
 EOF
 
 test_expect_success \
@@ -147,14 +148,18 @@ test_expect_success \
 ################################################################
 
 # tree has COPYING and rezrov.  work tree has the same COPYING and
-# copy-edited COPYING.1, and unchanged rezrov.  We should see
-# unmodified COPYING in the output, so that downstream diff-helper can
-# notice.  We should not say anything about rezrov.
+# copy-edited COPYING.1, and unchanged rezrov.  We should not say
+# anything about rezrov nor COPYING, since the revised again diff-raw
+# nows how to say Copy.
+
+test_expect_success \
+    'prepare work tree once again' \
+    'cat ../../COPYING >COPYING &&
+     git-update-cache --add --remove COPYING COPYING.1'
 
 git-diff-cache -C $tree >current
 cat >expected <<\EOF
 :100644 100644 6ff87c4664981e4397625791c8ea3bbb5f2279a3 0603b3238a076dc6c8022aedc6648fa523a17178 C1234 COPYING COPYING.1
-:100644 100644 6ff87c4664981e4397625791c8ea3bbb5f2279a3 6ff87c4664981e4397625791c8ea3bbb5f2279a3 M     COPYING
 EOF
 
 test_expect_success \