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#!/bin/sh
#
# Copyright (c) 2005 Junio C Hamano
#
test_description='Same rename detection as t4003 but testing diff-raw -z.
'
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-diff.sh ;# test-lib chdir's into trash
test_expect_success \
'prepare reference tree' \
'COPYING_test_data >COPYING &&
echo frotz >rezrov &&
git update-index --add COPYING rezrov &&
orig=$(git hash-object COPYING) &&
tree=$(git write-tree) &&
echo $tree'
test_expect_success \
'prepare work tree' \
'sed -e 's/HOWEVER/However/' <COPYING >COPYING.1 &&
sed -e 's/GPL/G.P.L/g' <COPYING >COPYING.2 &&
rm -f COPYING &&
c1=$(git hash-object COPYING.1) &&
c2=$(git hash-object COPYING.2) &&
git update-index --add --remove COPYING COPYING.?'
# tree has COPYING and rezrov. work tree has COPYING.1 and COPYING.2,
# both are slightly edited, and unchanged rezrov. We say COPYING.1
# and COPYING.2 are based on COPYING, and do not say anything about
# rezrov.
git diff-index -z -C $tree >current
cat >expected <<EOF
:100644 100644 $orig $c1 C1234
COPYING
COPYING.1
:100644 100644 $orig $c2 R1234
COPYING
COPYING.2
EOF
test_expect_success \
'validate output from rename/copy detection (#1)' \
'compare_diff_raw_z current expected'
################################################################
test_expect_success \
'prepare work tree again' \
'mv COPYING.2 COPYING &&
git update-index --add --remove COPYING COPYING.1 COPYING.2'
# tree has COPYING and rezrov. work tree has COPYING and COPYING.1,
# both are slightly edited, and unchanged rezrov. We say COPYING.1
# is based on COPYING and COPYING is still there, and do not say anything
# about rezrov.
git diff-index -z -C $tree >current
cat >expected <<EOF
:100644 100644 $orig $c2 M
COPYING
:100644 100644 $orig $c1 C1234
COPYING
COPYING.1
EOF
test_expect_success \
'validate output from rename/copy detection (#2)' \
'compare_diff_raw_z current expected'
################################################################
# tree has COPYING and rezrov. work tree has the same COPYING and
# copy-edited COPYING.1, and unchanged rezrov. We should not say
# anything about rezrov or COPYING, since the revised again diff-raw
# nows how to say Copy.
test_expect_success \
'prepare work tree once again' \
'COPYING_test_data >COPYING &&
git update-index --add --remove COPYING COPYING.1'
git diff-index -z -C --find-copies-harder $tree >current
cat >expected <<EOF
:100644 100644 $orig $c1 C1234
COPYING
COPYING.1
EOF
test_expect_success \
'validate output from rename/copy detection (#3)' \
'compare_diff_raw_z current expected'
test_done
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