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git/t/t4009-diff-rename-4.sh
brian m. carlson 0c37c41d13 t4009: make hash size independent
Instead of hard-coding object IDs, compute them and use those in the
comparison.  Note that the comparison code ignores the actual object
IDs, but does check that they're the right size, so computing them is
the easiest way to ensure that they are.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-08-26 08:55:45 -07:00

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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-lib.sh
. "$TEST_DIRECTORY"/diff-lib.sh ;# test-lib chdir's into trash
test_expect_success \
'prepare reference tree' \
'cat "$TEST_DIRECTORY"/diff-lib/COPYING >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 $c1 C1234
COPYING
COPYING.1
EOF
test_expect_success \
'validate output from rename/copy detection (#2)' \
'compare_diff_raw_z current expected'
################################################################
# tree has COPYING and rezrov. work tree has the same COPYING and
# copy-edited COPYING.1, and unchanged rezrov. We should not say
# anything about rezrov or COPYING, since the revised again diff-raw
# nows how to say Copy.
test_expect_success \
'prepare work tree once again' \
'cat "$TEST_DIRECTORY"/diff-lib/COPYING >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