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git/t/t4002-diff-basic.sh
Junio C Hamano fcc387db9b read-tree -m -u: do not overwrite or remove untracked working tree files. 
When a merge results in a creation of a path that did not exist
in HEAD, and if you already have that path on the working tree,
because the index has not been told about the working tree file,
read-tree happily removes it.  The issue was brought up by Santi
Béjar on the list.

Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-05-17 01:52:48 -07:00

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#!/bin/sh
#
# Copyright (c) 2005 Junio C Hamano
#
test_description='Test diff raw-output.
'
. ./test-lib.sh
. ../lib-read-tree-m-3way.sh
cat >.test-plain-OA <<\EOF
:000000 100644 0000000000000000000000000000000000000000 ccba72ad3888a3520b39efcf780b9ee64167535d A AA
:000000 100644 0000000000000000000000000000000000000000 7e426fb079479fd67f6d81f984e4ec649a44bc25 A AN
:100644 000000 bcc68ef997017466d5c9094bcf7692295f588c9a 0000000000000000000000000000000000000000 D DD
:000000 040000 0000000000000000000000000000000000000000 6d50f65d3bdab91c63444294d38f08aeff328e42 A DF
:100644 000000 141c1f1642328e4bc46a7d801a71da392e66791e 0000000000000000000000000000000000000000 D DM
:100644 000000 35abde1506ddf806572ff4d407bd06885d0f8ee9 0000000000000000000000000000000000000000 D DN
:000000 100644 0000000000000000000000000000000000000000 1d41122ebdd7a640f29d3c9cc4f9d70094374762 A LL
:100644 100644 03f24c8c4700babccfd28b654e7e8eac402ad6cd 103d9f89b50b9aad03054b579be5e7aa665f2d57 M MD
:100644 100644 b258508afb7ceb449981bd9d63d2d3e971bf8d34 b431b272d829ff3aa4d1a5085f4394ab4d3305b6 M MM
:100644 100644 bd084b0c27c7b6cc34f11d6d0509a29be3caf970 a716d58de4a570e0038f5c307bd8db34daea021f M MN
:100644 100644 40c959f984c8b89a2b02520d17f00d717f024397 2ac547ae9614a00d1b28275de608131f7a0e259f M SS
:100644 100644 4ac13458899ab908ef3b1128fa378daefc88d356 4c86f9a85fbc5e6804ee2e17a797538fbe785bca M TT
:040000 040000 7d670fdcdb9929f6c7dac196ff78689cd1c566a1 5e5f22072bb39f6e12cf663a57cb634c76eefb49 M Z
EOF
cat >.test-recursive-OA <<\EOF
:000000 100644 0000000000000000000000000000000000000000 ccba72ad3888a3520b39efcf780b9ee64167535d A AA
:000000 100644 0000000000000000000000000000000000000000 7e426fb079479fd67f6d81f984e4ec649a44bc25 A AN
:100644 000000 bcc68ef997017466d5c9094bcf7692295f588c9a 0000000000000000000000000000000000000000 D DD
:000000 100644 0000000000000000000000000000000000000000 68a6d8b91da11045cf4aa3a5ab9f2a781c701249 A DF/DF
:100644 000000 141c1f1642328e4bc46a7d801a71da392e66791e 0000000000000000000000000000000000000000 D DM
:100644 000000 35abde1506ddf806572ff4d407bd06885d0f8ee9 0000000000000000000000000000000000000000 D DN
:000000 100644 0000000000000000000000000000000000000000 1d41122ebdd7a640f29d3c9cc4f9d70094374762 A LL
:100644 100644 03f24c8c4700babccfd28b654e7e8eac402ad6cd 103d9f89b50b9aad03054b579be5e7aa665f2d57 M MD
:100644 100644 b258508afb7ceb449981bd9d63d2d3e971bf8d34 b431b272d829ff3aa4d1a5085f4394ab4d3305b6 M MM
:100644 100644 bd084b0c27c7b6cc34f11d6d0509a29be3caf970 a716d58de4a570e0038f5c307bd8db34daea021f M MN
:100644 100644 40c959f984c8b89a2b02520d17f00d717f024397 2ac547ae9614a00d1b28275de608131f7a0e259f M SS
:100644 100644 4ac13458899ab908ef3b1128fa378daefc88d356 4c86f9a85fbc5e6804ee2e17a797538fbe785bca M TT
:000000 100644 0000000000000000000000000000000000000000 8acb8e9750e3f644bf323fcf3d338849db106c77 A Z/AA
:000000 100644 0000000000000000000000000000000000000000 087494262084cefee7ed484d20c8dc0580791272 A Z/AN
:100644 000000 879007efae624d2b1307214b24a956f0a8d686a8 0000000000000000000000000000000000000000 D Z/DD
:100644 000000 9b541b2275c06e3a7b13f28badf5294e2ae63df4 0000000000000000000000000000000000000000 D Z/DM
:100644 000000 beb5d38c55283d280685ea21a0e50cfcc0ca064a 0000000000000000000000000000000000000000 D Z/DN
:100644 100644 d41fda41b7ec4de46b43cb7ea42a45001ae393d5 a79ac3be9377639e1c7d1edf1ae1b3a5f0ccd8a9 M Z/MD
:100644 100644 4ca22bae2527d3d9e1676498a0fba3b355bd1278 61422ba9c2c873416061a88cd40a59a35b576474 M Z/MM
:100644 100644 b16d7b25b869f2beb124efa53467d8a1550ad694 a5c544c21cfcb07eb80a4d89a5b7d1570002edfd M Z/MN
EOF
cat >.test-plain-OB <<\EOF
:000000 100644 0000000000000000000000000000000000000000 6aa2b5335b16431a0ef71e5c0a28be69183cf6a2 A AA
:100644 000000 bcc68ef997017466d5c9094bcf7692295f588c9a 0000000000000000000000000000000000000000 D DD
:000000 100644 0000000000000000000000000000000000000000 71420ab81e254145d26d6fc0cddee64c1acd4787 A DF
:100644 100644 141c1f1642328e4bc46a7d801a71da392e66791e 3c4d8de5fbad08572bab8e10eef8dbb264cf0231 M DM
:000000 100644 0000000000000000000000000000000000000000 1d41122ebdd7a640f29d3c9cc4f9d70094374762 A LL
:100644 000000 03f24c8c4700babccfd28b654e7e8eac402ad6cd 0000000000000000000000000000000000000000 D MD
:100644 100644 b258508afb7ceb449981bd9d63d2d3e971bf8d34 19989d4559aae417fedee240ccf2ba315ea4dc2b M MM
:000000 100644 0000000000000000000000000000000000000000 15885881ea69115351c09b38371f0348a3fb8c67 A NA
:100644 000000 a4e179e4291e5536a5e1c82e091052772d2c5a93 0000000000000000000000000000000000000000 D ND
:100644 100644 c8f25781e8f1792e3e40b74225e20553041b5226 cdb9a8c3da571502ac30225e9c17beccb8387983 M NM
:100644 100644 40c959f984c8b89a2b02520d17f00d717f024397 2ac547ae9614a00d1b28275de608131f7a0e259f M SS
:100644 100644 4ac13458899ab908ef3b1128fa378daefc88d356 c4e4a12231b9fa79a0053cb6077fcb21bb5b135a M TT
:040000 040000 7d670fdcdb9929f6c7dac196ff78689cd1c566a1 1ba523955d5160681af65cb776411f574c1e8155 M Z
EOF
cat >.test-recursive-OB <<\EOF
:000000 100644 0000000000000000000000000000000000000000 6aa2b5335b16431a0ef71e5c0a28be69183cf6a2 A AA
:100644 000000 bcc68ef997017466d5c9094bcf7692295f588c9a 0000000000000000000000000000000000000000 D DD
:000000 100644 0000000000000000000000000000000000000000 71420ab81e254145d26d6fc0cddee64c1acd4787 A DF
:100644 100644 141c1f1642328e4bc46a7d801a71da392e66791e 3c4d8de5fbad08572bab8e10eef8dbb264cf0231 M DM
:000000 100644 0000000000000000000000000000000000000000 1d41122ebdd7a640f29d3c9cc4f9d70094374762 A LL
:100644 000000 03f24c8c4700babccfd28b654e7e8eac402ad6cd 0000000000000000000000000000000000000000 D MD
:100644 100644 b258508afb7ceb449981bd9d63d2d3e971bf8d34 19989d4559aae417fedee240ccf2ba315ea4dc2b M MM
:000000 100644 0000000000000000000000000000000000000000 15885881ea69115351c09b38371f0348a3fb8c67 A NA
:100644 000000 a4e179e4291e5536a5e1c82e091052772d2c5a93 0000000000000000000000000000000000000000 D ND
:100644 100644 c8f25781e8f1792e3e40b74225e20553041b5226 cdb9a8c3da571502ac30225e9c17beccb8387983 M NM
:100644 100644 40c959f984c8b89a2b02520d17f00d717f024397 2ac547ae9614a00d1b28275de608131f7a0e259f M SS
:100644 100644 4ac13458899ab908ef3b1128fa378daefc88d356 c4e4a12231b9fa79a0053cb6077fcb21bb5b135a M TT
:000000 100644 0000000000000000000000000000000000000000 6c0b99286d0bce551ac4a7b3dff8b706edff3715 A Z/AA
:100644 000000 879007efae624d2b1307214b24a956f0a8d686a8 0000000000000000000000000000000000000000 D Z/DD
:100644 100644 9b541b2275c06e3a7b13f28badf5294e2ae63df4 d77371d15817fcaa57eeec27f770c505ba974ec1 M Z/DM
:100644 000000 d41fda41b7ec4de46b43cb7ea42a45001ae393d5 0000000000000000000000000000000000000000 D Z/MD
:100644 100644 4ca22bae2527d3d9e1676498a0fba3b355bd1278 697aad7715a1e7306ca76290a3dd4208fbaeddfa M Z/MM
:000000 100644 0000000000000000000000000000000000000000 d12979c22fff69c59ca9409e7a8fe3ee25eaee80 A Z/NA
:100644 000000 a18393c636b98e9bd7296b8b437ea4992b72440c 0000000000000000000000000000000000000000 D Z/ND
:100644 100644 3fdbe17fd013303a2e981e1ca1c6cd6e72789087 7e09d6a3a14bd630913e8c75693cea32157b606d M Z/NM
EOF
cat >.test-plain-AB <<\EOF
:100644 100644 ccba72ad3888a3520b39efcf780b9ee64167535d 6aa2b5335b16431a0ef71e5c0a28be69183cf6a2 M AA
:100644 000000 7e426fb079479fd67f6d81f984e4ec649a44bc25 0000000000000000000000000000000000000000 D AN
:000000 100644 0000000000000000000000000000000000000000 71420ab81e254145d26d6fc0cddee64c1acd4787 A DF
:040000 000000 6d50f65d3bdab91c63444294d38f08aeff328e42 0000000000000000000000000000000000000000 D DF
:000000 100644 0000000000000000000000000000000000000000 3c4d8de5fbad08572bab8e10eef8dbb264cf0231 A DM
:000000 100644 0000000000000000000000000000000000000000 35abde1506ddf806572ff4d407bd06885d0f8ee9 A DN
:100644 000000 103d9f89b50b9aad03054b579be5e7aa665f2d57 0000000000000000000000000000000000000000 D MD
:100644 100644 b431b272d829ff3aa4d1a5085f4394ab4d3305b6 19989d4559aae417fedee240ccf2ba315ea4dc2b M MM
:100644 100644 a716d58de4a570e0038f5c307bd8db34daea021f bd084b0c27c7b6cc34f11d6d0509a29be3caf970 M MN
:000000 100644 0000000000000000000000000000000000000000 15885881ea69115351c09b38371f0348a3fb8c67 A NA
:100644 000000 a4e179e4291e5536a5e1c82e091052772d2c5a93 0000000000000000000000000000000000000000 D ND
:100644 100644 c8f25781e8f1792e3e40b74225e20553041b5226 cdb9a8c3da571502ac30225e9c17beccb8387983 M NM
:100644 100644 4c86f9a85fbc5e6804ee2e17a797538fbe785bca c4e4a12231b9fa79a0053cb6077fcb21bb5b135a M TT
:040000 040000 5e5f22072bb39f6e12cf663a57cb634c76eefb49 1ba523955d5160681af65cb776411f574c1e8155 M Z
EOF
cat >.test-recursive-AB <<\EOF
:100644 100644 ccba72ad3888a3520b39efcf780b9ee64167535d 6aa2b5335b16431a0ef71e5c0a28be69183cf6a2 M AA
:100644 000000 7e426fb079479fd67f6d81f984e4ec649a44bc25 0000000000000000000000000000000000000000 D AN
:000000 100644 0000000000000000000000000000000000000000 71420ab81e254145d26d6fc0cddee64c1acd4787 A DF
:100644 000000 68a6d8b91da11045cf4aa3a5ab9f2a781c701249 0000000000000000000000000000000000000000 D DF/DF
:000000 100644 0000000000000000000000000000000000000000 3c4d8de5fbad08572bab8e10eef8dbb264cf0231 A DM
:000000 100644 0000000000000000000000000000000000000000 35abde1506ddf806572ff4d407bd06885d0f8ee9 A DN
:100644 000000 103d9f89b50b9aad03054b579be5e7aa665f2d57 0000000000000000000000000000000000000000 D MD
:100644 100644 b431b272d829ff3aa4d1a5085f4394ab4d3305b6 19989d4559aae417fedee240ccf2ba315ea4dc2b M MM
:100644 100644 a716d58de4a570e0038f5c307bd8db34daea021f bd084b0c27c7b6cc34f11d6d0509a29be3caf970 M MN
:000000 100644 0000000000000000000000000000000000000000 15885881ea69115351c09b38371f0348a3fb8c67 A NA
:100644 000000 a4e179e4291e5536a5e1c82e091052772d2c5a93 0000000000000000000000000000000000000000 D ND
:100644 100644 c8f25781e8f1792e3e40b74225e20553041b5226 cdb9a8c3da571502ac30225e9c17beccb8387983 M NM
:100644 100644 4c86f9a85fbc5e6804ee2e17a797538fbe785bca c4e4a12231b9fa79a0053cb6077fcb21bb5b135a M TT
:100644 100644 8acb8e9750e3f644bf323fcf3d338849db106c77 6c0b99286d0bce551ac4a7b3dff8b706edff3715 M Z/AA
:100644 000000 087494262084cefee7ed484d20c8dc0580791272 0000000000000000000000000000000000000000 D Z/AN
:000000 100644 0000000000000000000000000000000000000000 d77371d15817fcaa57eeec27f770c505ba974ec1 A Z/DM
:000000 100644 0000000000000000000000000000000000000000 beb5d38c55283d280685ea21a0e50cfcc0ca064a A Z/DN
:100644 000000 a79ac3be9377639e1c7d1edf1ae1b3a5f0ccd8a9 0000000000000000000000000000000000000000 D Z/MD
:100644 100644 61422ba9c2c873416061a88cd40a59a35b576474 697aad7715a1e7306ca76290a3dd4208fbaeddfa M Z/MM
:100644 100644 a5c544c21cfcb07eb80a4d89a5b7d1570002edfd b16d7b25b869f2beb124efa53467d8a1550ad694 M Z/MN
:000000 100644 0000000000000000000000000000000000000000 d12979c22fff69c59ca9409e7a8fe3ee25eaee80 A Z/NA
:100644 000000 a18393c636b98e9bd7296b8b437ea4992b72440c 0000000000000000000000000000000000000000 D Z/ND
:100644 100644 3fdbe17fd013303a2e981e1ca1c6cd6e72789087 7e09d6a3a14bd630913e8c75693cea32157b606d M Z/NM
EOF
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"
z40='0000000000000000000000000000000000000000'
cmp_diff_files_output () {
# diff-files never reports additions. Also it does not fill in the
# object ID for the changed files because it wants you to look at the
# filesystem.
sed <"$2" >.test-tmp \
-e '/^:000000 /d;s/'$x40'\( [MCRNDU][0-9]*\) /'$z40'\1 /' &&
diff "$1" .test-tmp
}
test_expect_success \
'diff-tree of known trees.' \
'git-diff-tree $tree_O $tree_A >.test-a &&
cmp -s .test-a .test-plain-OA'
test_expect_success \
'diff-tree of known trees.' \
'git-diff-tree -r $tree_O $tree_A >.test-a &&
cmp -s .test-a .test-recursive-OA'
test_expect_success \
'diff-tree of known trees.' \
'git-diff-tree $tree_O $tree_B >.test-a &&
cmp -s .test-a .test-plain-OB'
test_expect_success \
'diff-tree of known trees.' \
'git-diff-tree -r $tree_O $tree_B >.test-a &&
cmp -s .test-a .test-recursive-OB'
test_expect_success \
'diff-tree of known trees.' \
'git-diff-tree $tree_A $tree_B >.test-a &&
cmp -s .test-a .test-plain-AB'
test_expect_success \
'diff-tree of known trees.' \
'git-diff-tree -r $tree_A $tree_B >.test-a &&
cmp -s .test-a .test-recursive-AB'
test_expect_success \
'diff-cache O with A in cache' \
'git-read-tree $tree_A &&
git-diff-index --cached $tree_O >.test-a &&
cmp -s .test-a .test-recursive-OA'
test_expect_success \
'diff-cache O with B in cache' \
'git-read-tree $tree_B &&
git-diff-index --cached $tree_O >.test-a &&
cmp -s .test-a .test-recursive-OB'
test_expect_success \
'diff-cache A with B in cache' \
'git-read-tree $tree_B &&
git-diff-index --cached $tree_A >.test-a &&
cmp -s .test-a .test-recursive-AB'
test_expect_success \
'diff-files with O in cache and A checked out' \
'rm -fr Z [A-Z][A-Z] &&
git-read-tree $tree_A &&
git-checkout-index -f -a &&
git-read-tree --reset $tree_O || return 1
git-update-index --refresh >/dev/null ;# this can exit non-zero
git-diff-files >.test-a &&
cmp_diff_files_output .test-a .test-recursive-OA'
test_expect_success \
'diff-files with O in cache and B checked out' \
'rm -fr Z [A-Z][A-Z] &&
git-read-tree $tree_B &&
git-checkout-index -f -a &&
git-read-tree --reset $tree_O || return 1
git-update-index --refresh >/dev/null ;# this can exit non-zero
git-diff-files >.test-a &&
cmp_diff_files_output .test-a .test-recursive-OB'
test_expect_success \
'diff-files with A in cache and B checked out' \
'rm -fr Z [A-Z][A-Z] &&
git-read-tree $tree_B &&
git-checkout-index -f -a &&
git-read-tree --reset $tree_A || return 1
git-update-index --refresh >/dev/null ;# this can exit non-zero
git-diff-files >.test-a &&
cmp_diff_files_output .test-a .test-recursive-AB'
################################################################
# Now we have established the baseline, we do not have to
# rely on individual object ID values that much.
test_expect_success \
'diff-tree O A == diff-tree -R A O' \
'git-diff-tree $tree_O $tree_A >.test-a &&
git-diff-tree -R $tree_A $tree_O >.test-b &&
cmp -s .test-a .test-b'
test_expect_success \
'diff-tree -r O A == diff-tree -r -R A O' \
'git-diff-tree -r $tree_O $tree_A >.test-a &&
git-diff-tree -r -R $tree_A $tree_O >.test-b &&
cmp -s .test-a .test-b'
test_expect_success \
'diff-tree B A == diff-tree -R A B' \
'git-diff-tree $tree_B $tree_A >.test-a &&
git-diff-tree -R $tree_A $tree_B >.test-b &&
cmp -s .test-a .test-b'
test_expect_success \
'diff-tree -r B A == diff-tree -r -R A B' \
'git-diff-tree -r $tree_B $tree_A >.test-a &&
git-diff-tree -r -R $tree_A $tree_B >.test-b &&
cmp -s .test-a .test-b'
test_done
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