#!/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
+100644 blob ccba72ad3888a3520b39efcf780b9ee64167535d AA
+100644 blob 7e426fb079479fd67f6d81f984e4ec649a44bc25 AN
-100644 blob bcc68ef997017466d5c9094bcf7692295f588c9a DD
+040000 tree 6d50f65d3bdab91c63444294d38f08aeff328e42 DF
-100644 blob 141c1f1642328e4bc46a7d801a71da392e66791e DM
-100644 blob 35abde1506ddf806572ff4d407bd06885d0f8ee9 DN
+100644 blob 1d41122ebdd7a640f29d3c9cc4f9d70094374762 LL
*100644->100644 blob 03f24c8c4700babccfd28b654e7e8eac402ad6cd->103d9f89b50b9aad03054b579be5e7aa665f2d57 MD
*100644->100644 blob b258508afb7ceb449981bd9d63d2d3e971bf8d34->b431b272d829ff3aa4d1a5085f4394ab4d3305b6 MM
*100644->100644 blob bd084b0c27c7b6cc34f11d6d0509a29be3caf970->a716d58de4a570e0038f5c307bd8db34daea021f MN
*100644->100644 blob 40c959f984c8b89a2b02520d17f00d717f024397->2ac547ae9614a00d1b28275de608131f7a0e259f SS
*100644->100644 blob 4ac13458899ab908ef3b1128fa378daefc88d356->4c86f9a85fbc5e6804ee2e17a797538fbe785bca TT
*040000->040000 tree 7d670fdcdb9929f6c7dac196ff78689cd1c566a1->5e5f22072bb39f6e12cf663a57cb634c76eefb49 Z
EOF

cat >.test-recursive-OA <<\EOF
+100644 blob ccba72ad3888a3520b39efcf780b9ee64167535d AA
+100644 blob 7e426fb079479fd67f6d81f984e4ec649a44bc25 AN
-100644 blob bcc68ef997017466d5c9094bcf7692295f588c9a DD
+100644 blob 68a6d8b91da11045cf4aa3a5ab9f2a781c701249 DF/DF
-100644 blob 141c1f1642328e4bc46a7d801a71da392e66791e DM
-100644 blob 35abde1506ddf806572ff4d407bd06885d0f8ee9 DN
+100644 blob 1d41122ebdd7a640f29d3c9cc4f9d70094374762 LL
*100644->100644 blob 03f24c8c4700babccfd28b654e7e8eac402ad6cd->103d9f89b50b9aad03054b579be5e7aa665f2d57 MD
*100644->100644 blob b258508afb7ceb449981bd9d63d2d3e971bf8d34->b431b272d829ff3aa4d1a5085f4394ab4d3305b6 MM
*100644->100644 blob bd084b0c27c7b6cc34f11d6d0509a29be3caf970->a716d58de4a570e0038f5c307bd8db34daea021f MN
*100644->100644 blob 40c959f984c8b89a2b02520d17f00d717f024397->2ac547ae9614a00d1b28275de608131f7a0e259f SS
*100644->100644 blob 4ac13458899ab908ef3b1128fa378daefc88d356->4c86f9a85fbc5e6804ee2e17a797538fbe785bca TT
+100644 blob 8acb8e9750e3f644bf323fcf3d338849db106c77 Z/AA
+100644 blob 087494262084cefee7ed484d20c8dc0580791272 Z/AN
-100644 blob 879007efae624d2b1307214b24a956f0a8d686a8 Z/DD
-100644 blob 9b541b2275c06e3a7b13f28badf5294e2ae63df4 Z/DM
-100644 blob beb5d38c55283d280685ea21a0e50cfcc0ca064a Z/DN
*100644->100644 blob d41fda41b7ec4de46b43cb7ea42a45001ae393d5->a79ac3be9377639e1c7d1edf1ae1b3a5f0ccd8a9 Z/MD
*100644->100644 blob 4ca22bae2527d3d9e1676498a0fba3b355bd1278->61422ba9c2c873416061a88cd40a59a35b576474 Z/MM
*100644->100644 blob b16d7b25b869f2beb124efa53467d8a1550ad694->a5c544c21cfcb07eb80a4d89a5b7d1570002edfd Z/MN
EOF
cat >.test-plain-OB <<\EOF
+100644 blob 6aa2b5335b16431a0ef71e5c0a28be69183cf6a2 AA
-100644 blob bcc68ef997017466d5c9094bcf7692295f588c9a DD
+100644 blob 71420ab81e254145d26d6fc0cddee64c1acd4787 DF
*100644->100644 blob 141c1f1642328e4bc46a7d801a71da392e66791e->3c4d8de5fbad08572bab8e10eef8dbb264cf0231 DM
+100644 blob 1d41122ebdd7a640f29d3c9cc4f9d70094374762 LL
-100644 blob 03f24c8c4700babccfd28b654e7e8eac402ad6cd MD
*100644->100644 blob b258508afb7ceb449981bd9d63d2d3e971bf8d34->19989d4559aae417fedee240ccf2ba315ea4dc2b MM
+100644 blob 15885881ea69115351c09b38371f0348a3fb8c67 NA
-100644 blob a4e179e4291e5536a5e1c82e091052772d2c5a93 ND
*100644->100644 blob c8f25781e8f1792e3e40b74225e20553041b5226->cdb9a8c3da571502ac30225e9c17beccb8387983 NM
*100644->100644 blob 40c959f984c8b89a2b02520d17f00d717f024397->2ac547ae9614a00d1b28275de608131f7a0e259f SS
*100644->100644 blob 4ac13458899ab908ef3b1128fa378daefc88d356->c4e4a12231b9fa79a0053cb6077fcb21bb5b135a TT
*040000->040000 tree 7d670fdcdb9929f6c7dac196ff78689cd1c566a1->1ba523955d5160681af65cb776411f574c1e8155 Z
EOF
cat >.test-recursive-OB <<\EOF
+100644 blob 6aa2b5335b16431a0ef71e5c0a28be69183cf6a2 AA
-100644 blob bcc68ef997017466d5c9094bcf7692295f588c9a DD
+100644 blob 71420ab81e254145d26d6fc0cddee64c1acd4787 DF
*100644->100644 blob 141c1f1642328e4bc46a7d801a71da392e66791e->3c4d8de5fbad08572bab8e10eef8dbb264cf0231 DM
+100644 blob 1d41122ebdd7a640f29d3c9cc4f9d70094374762 LL
-100644 blob 03f24c8c4700babccfd28b654e7e8eac402ad6cd MD
*100644->100644 blob b258508afb7ceb449981bd9d63d2d3e971bf8d34->19989d4559aae417fedee240ccf2ba315ea4dc2b MM
+100644 blob 15885881ea69115351c09b38371f0348a3fb8c67 NA
-100644 blob a4e179e4291e5536a5e1c82e091052772d2c5a93 ND
*100644->100644 blob c8f25781e8f1792e3e40b74225e20553041b5226->cdb9a8c3da571502ac30225e9c17beccb8387983 NM
*100644->100644 blob 40c959f984c8b89a2b02520d17f00d717f024397->2ac547ae9614a00d1b28275de608131f7a0e259f SS
*100644->100644 blob 4ac13458899ab908ef3b1128fa378daefc88d356->c4e4a12231b9fa79a0053cb6077fcb21bb5b135a TT
+100644 blob 6c0b99286d0bce551ac4a7b3dff8b706edff3715 Z/AA
-100644 blob 879007efae624d2b1307214b24a956f0a8d686a8 Z/DD
*100644->100644 blob 9b541b2275c06e3a7b13f28badf5294e2ae63df4->d77371d15817fcaa57eeec27f770c505ba974ec1 Z/DM
-100644 blob d41fda41b7ec4de46b43cb7ea42a45001ae393d5 Z/MD
*100644->100644 blob 4ca22bae2527d3d9e1676498a0fba3b355bd1278->697aad7715a1e7306ca76290a3dd4208fbaeddfa Z/MM
+100644 blob d12979c22fff69c59ca9409e7a8fe3ee25eaee80 Z/NA
-100644 blob a18393c636b98e9bd7296b8b437ea4992b72440c Z/ND
*100644->100644 blob 3fdbe17fd013303a2e981e1ca1c6cd6e72789087->7e09d6a3a14bd630913e8c75693cea32157b606d Z/NM
EOF
cat >.test-plain-AB <<\EOF
*100644->100644 blob ccba72ad3888a3520b39efcf780b9ee64167535d->6aa2b5335b16431a0ef71e5c0a28be69183cf6a2 AA
-100644 blob 7e426fb079479fd67f6d81f984e4ec649a44bc25 AN
+100644 blob 71420ab81e254145d26d6fc0cddee64c1acd4787 DF
-040000 tree 6d50f65d3bdab91c63444294d38f08aeff328e42 DF
+100644 blob 3c4d8de5fbad08572bab8e10eef8dbb264cf0231 DM
+100644 blob 35abde1506ddf806572ff4d407bd06885d0f8ee9 DN
-100644 blob 103d9f89b50b9aad03054b579be5e7aa665f2d57 MD
*100644->100644 blob b431b272d829ff3aa4d1a5085f4394ab4d3305b6->19989d4559aae417fedee240ccf2ba315ea4dc2b MM
*100644->100644 blob a716d58de4a570e0038f5c307bd8db34daea021f->bd084b0c27c7b6cc34f11d6d0509a29be3caf970 MN
+100644 blob 15885881ea69115351c09b38371f0348a3fb8c67 NA
-100644 blob a4e179e4291e5536a5e1c82e091052772d2c5a93 ND
*100644->100644 blob c8f25781e8f1792e3e40b74225e20553041b5226->cdb9a8c3da571502ac30225e9c17beccb8387983 NM
*100644->100644 blob 4c86f9a85fbc5e6804ee2e17a797538fbe785bca->c4e4a12231b9fa79a0053cb6077fcb21bb5b135a TT
*040000->040000 tree 5e5f22072bb39f6e12cf663a57cb634c76eefb49->1ba523955d5160681af65cb776411f574c1e8155 Z
EOF
cat >.test-recursive-AB <<\EOF
*100644->100644 blob ccba72ad3888a3520b39efcf780b9ee64167535d->6aa2b5335b16431a0ef71e5c0a28be69183cf6a2 AA
-100644 blob 7e426fb079479fd67f6d81f984e4ec649a44bc25 AN
+100644 blob 71420ab81e254145d26d6fc0cddee64c1acd4787 DF
-100644 blob 68a6d8b91da11045cf4aa3a5ab9f2a781c701249 DF/DF
+100644 blob 3c4d8de5fbad08572bab8e10eef8dbb264cf0231 DM
+100644 blob 35abde1506ddf806572ff4d407bd06885d0f8ee9 DN
-100644 blob 103d9f89b50b9aad03054b579be5e7aa665f2d57 MD
*100644->100644 blob b431b272d829ff3aa4d1a5085f4394ab4d3305b6->19989d4559aae417fedee240ccf2ba315ea4dc2b MM
*100644->100644 blob a716d58de4a570e0038f5c307bd8db34daea021f->bd084b0c27c7b6cc34f11d6d0509a29be3caf970 MN
+100644 blob 15885881ea69115351c09b38371f0348a3fb8c67 NA
-100644 blob a4e179e4291e5536a5e1c82e091052772d2c5a93 ND
*100644->100644 blob c8f25781e8f1792e3e40b74225e20553041b5226->cdb9a8c3da571502ac30225e9c17beccb8387983 NM
*100644->100644 blob 4c86f9a85fbc5e6804ee2e17a797538fbe785bca->c4e4a12231b9fa79a0053cb6077fcb21bb5b135a TT
*100644->100644 blob 8acb8e9750e3f644bf323fcf3d338849db106c77->6c0b99286d0bce551ac4a7b3dff8b706edff3715 Z/AA
-100644 blob 087494262084cefee7ed484d20c8dc0580791272 Z/AN
+100644 blob d77371d15817fcaa57eeec27f770c505ba974ec1 Z/DM
+100644 blob beb5d38c55283d280685ea21a0e50cfcc0ca064a Z/DN
-100644 blob a79ac3be9377639e1c7d1edf1ae1b3a5f0ccd8a9 Z/MD
*100644->100644 blob 61422ba9c2c873416061a88cd40a59a35b576474->697aad7715a1e7306ca76290a3dd4208fbaeddfa Z/MM
*100644->100644 blob a5c544c21cfcb07eb80a4d89a5b7d1570002edfd->b16d7b25b869f2beb124efa53467d8a1550ad694 Z/MN
+100644 blob d12979c22fff69c59ca9409e7a8fe3ee25eaee80 Z/NA
-100644 blob a18393c636b98e9bd7296b8b437ea4992b72440c Z/ND
*100644->100644 blob 3fdbe17fd013303a2e981e1ca1c6cd6e72789087->7e09d6a3a14bd630913e8c75693cea32157b606d 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 '/^+/d;/\^*/s/\( '$x40'->\)'$x40' /\1'$z40' /' &&
    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-cache --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-cache --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-cache --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-cache -f -a &&
     git-read-tree -m $tree_O || (exit 1)
     git-update-cache --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-cache -f -a &&
     git-read-tree -m $tree_O || (exit 1)
     git-update-cache --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-cache -f -a &&
     git-read-tree -m $tree_A || (exit 1)
     git-update-cache --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