git/t/t4023-diff-rename-typechange.sh
Junio C Hamano b45563a229 rename: Break filepairs with different types.
When we consider if a path has been totally rewritten, we did not
touch changes from symlinks to files or vice versa.  But a change
that modifies even the type of a blob surely should count as a
complete rewrite.

While we are at it, modernise diffcore-break to be aware of gitlinks (we
do not want to touch them).

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-12-02 02:24:46 -08:00

87 lines
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Executable file

#!/bin/sh
test_description='typechange rename detection'
. ./test-lib.sh
test_expect_success setup '
rm -f foo bar &&
cat ../../COPYING >foo &&
ln -s linklink bar &&
git add foo bar &&
git commit -a -m Initial &&
git tag one &&
rm -f foo bar &&
cat ../../COPYING >bar &&
ln -s linklink foo &&
git add foo bar &&
git commit -a -m Second &&
git tag two &&
rm -f foo bar &&
cat ../../COPYING >foo &&
git add foo &&
git commit -a -m Third &&
git tag three &&
mv foo bar &&
ln -s linklink foo &&
git add foo bar &&
git commit -a -m Fourth &&
git tag four &&
# This is purely for sanity check
rm -f foo bar &&
cat ../../COPYING >foo &&
cat ../../Makefile >bar &&
git add foo bar &&
git commit -a -m Fifth &&
git tag five &&
rm -f foo bar &&
cat ../../Makefile >foo &&
cat ../../COPYING >bar &&
git add foo bar &&
git commit -a -m Sixth &&
git tag six
'
test_expect_success 'cross renames to be detected for regular files' '
git diff-tree five six -r --name-status -B -M | sort >actual &&
{
echo "R100 foo bar"
echo "R100 bar foo"
} | sort >expect &&
diff -u expect actual
'
test_expect_success 'cross renames to be detected for typechange' '
git diff-tree one two -r --name-status -B -M | sort >actual &&
{
echo "R100 foo bar"
echo "R100 bar foo"
} | sort >expect &&
diff -u expect actual
'
test_expect_success 'moves and renames' '
git diff-tree three four -r --name-status -B -M | sort >actual &&
{
echo "R100 foo bar"
echo "T100 foo"
} | sort >expect &&
diff -u expect actual
'
test_done