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The "bind" commit can express an aggregation of multiple projects into a single commit. In such an organization, there would be one project, root of whose tree object is at the same level of the root of the aggregated projects, and other projects have their toplevel in separate subdirectories. Let's call that root level project the "primary project", and call other ones just "subprojects". You would first read-tree the primary project, and then graft the subprojects under their appropriate location using read-tree --prefix=<subdir>/ repeatedly. To write out a tree object from such an index for a subproject, write-tree --prefix=<subdir>/ is used. Signed-off-by: Junio C Hamano <junkio@cox.net>
271 lines
10 KiB
Bash
Executable file
271 lines
10 KiB
Bash
Executable file
#!/bin/sh
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#
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# Copyright (c) 2005 Junio C Hamano
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#
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test_description='Test the very basics part #1.
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The rest of the test suite does not check the basic operation of git
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plumbing commands to work very carefully. Their job is to concentrate
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on tricky features that caused bugs in the past to detect regression.
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This test runs very basic features, like registering things in cache,
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writing tree, etc.
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Note that this test *deliberately* hard-codes many expected object
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IDs. When object ID computation changes, like in the previous case of
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swapping compression and hashing order, the person who is making the
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modification *should* take notice and update the test vectors here.
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'
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################################################################
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# It appears that people are getting bitten by not installing
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# 'merge' (usually part of RCS package in binary distributions)
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# or have too old python without subprocess. Check them and error
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# out before running any tests. Also catch the bogosity of trying
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# to run tests without building while we are at it.
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../git >/dev/null
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if test $? != 1
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then
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echo >&2 'You do not seem to have built git yet.'
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exit 1
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fi
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merge >/dev/null 2>/dev/null
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if test $? = 127
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then
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echo >&2 'You do not seem to have "merge" installed.
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Please check INSTALL document.'
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exit 1
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fi
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. ./test-lib.sh
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test "$no_python" || "$PYTHON" -c 'import subprocess' || {
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echo >&2 'Your python seem to lack "subprocess" module.
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Please check INSTALL document.'
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exit 1
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}
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################################################################
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# init-db has been done in an empty repository.
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# make sure it is empty.
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find .git/objects -type f -print >should-be-empty
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test_expect_success \
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'.git/objects should be empty after git-init-db in an empty repo.' \
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'cmp -s /dev/null should-be-empty'
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# also it should have 2 subdirectories; no fan-out anymore, pack, and info.
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# 3 is counting "objects" itself
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find .git/objects -type d -print >full-of-directories
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test_expect_success \
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'.git/objects should have 3 subdirectories.' \
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'test $(wc -l < full-of-directories) = 3'
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################################################################
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# Basics of the basics
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# updating a new file without --add should fail.
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test_expect_failure \
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'git-update-index without --add should fail adding.' \
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'git-update-index should-be-empty'
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# and with --add it should succeed, even if it is empty (it used to fail).
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test_expect_success \
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'git-update-index with --add should succeed.' \
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'git-update-index --add should-be-empty'
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test_expect_success \
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'writing tree out with git-write-tree' \
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'tree=$(git-write-tree)'
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# we know the shape and contents of the tree and know the object ID for it.
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test_expect_success \
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'validate object ID of a known tree.' \
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'test "$tree" = 7bb943559a305bdd6bdee2cef6e5df2413c3d30a'
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# Removing paths.
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rm -f should-be-empty full-of-directories
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test_expect_failure \
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'git-update-index without --remove should fail removing.' \
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'git-update-index should-be-empty'
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test_expect_success \
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'git-update-index with --remove should be able to remove.' \
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'git-update-index --remove should-be-empty'
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# Empty tree can be written with recent write-tree.
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test_expect_success \
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'git-write-tree should be able to write an empty tree.' \
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'tree=$(git-write-tree)'
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test_expect_success \
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'validate object ID of a known tree.' \
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'test "$tree" = 4b825dc642cb6eb9a060e54bf8d69288fbee4904'
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# Various types of objects
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mkdir path2 path3 path3/subp3
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for p in path0 path2/file2 path3/file3 path3/subp3/file3
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do
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echo "hello $p" >$p
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ln -s "hello $p" ${p}sym
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done
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test_expect_success \
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'adding various types of objects with git-update-index --add.' \
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'find path* ! -type d -print | xargs git-update-index --add'
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# Show them and see that matches what we expect.
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test_expect_success \
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'showing stage with git-ls-files --stage' \
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'git-ls-files --stage >current'
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cat >expected <<\EOF
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100644 f87290f8eb2cbbea7857214459a0739927eab154 0 path0
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120000 15a98433ae33114b085f3eb3bb03b832b3180a01 0 path0sym
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100644 3feff949ed00a62d9f7af97c15cd8a30595e7ac7 0 path2/file2
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120000 d8ce161addc5173867a3c3c730924388daedbc38 0 path2/file2sym
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100644 0aa34cae68d0878578ad119c86ca2b5ed5b28376 0 path3/file3
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120000 8599103969b43aff7e430efea79ca4636466794f 0 path3/file3sym
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100644 00fb5908cb97c2564a9783c0c64087333b3b464f 0 path3/subp3/file3
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120000 6649a1ebe9e9f1c553b66f5a6e74136a07ccc57c 0 path3/subp3/file3sym
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EOF
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test_expect_success \
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'validate git-ls-files output for a known tree.' \
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'diff current expected'
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test_expect_success \
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'writing tree out with git-write-tree.' \
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'tree=$(git-write-tree)'
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test_expect_success \
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'validate object ID for a known tree.' \
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'test "$tree" = 087704a96baf1c2d1c869a8b084481e121c88b5b'
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test_expect_success \
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'showing tree with git-ls-tree' \
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'git-ls-tree $tree >current'
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cat >expected <<\EOF
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100644 blob f87290f8eb2cbbea7857214459a0739927eab154 path0
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120000 blob 15a98433ae33114b085f3eb3bb03b832b3180a01 path0sym
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040000 tree 58a09c23e2ca152193f2786e06986b7b6712bdbe path2
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040000 tree 21ae8269cacbe57ae09138dcc3a2887f904d02b3 path3
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EOF
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test_expect_success \
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'git-ls-tree output for a known tree.' \
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'diff current expected'
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# This changed in ls-tree pathspec change -- recursive does
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# not show tree nodes anymore.
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test_expect_success \
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'showing tree with git-ls-tree -r' \
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'git-ls-tree -r $tree >current'
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cat >expected <<\EOF
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100644 blob f87290f8eb2cbbea7857214459a0739927eab154 path0
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120000 blob 15a98433ae33114b085f3eb3bb03b832b3180a01 path0sym
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100644 blob 3feff949ed00a62d9f7af97c15cd8a30595e7ac7 path2/file2
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120000 blob d8ce161addc5173867a3c3c730924388daedbc38 path2/file2sym
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100644 blob 0aa34cae68d0878578ad119c86ca2b5ed5b28376 path3/file3
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120000 blob 8599103969b43aff7e430efea79ca4636466794f path3/file3sym
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100644 blob 00fb5908cb97c2564a9783c0c64087333b3b464f path3/subp3/file3
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120000 blob 6649a1ebe9e9f1c553b66f5a6e74136a07ccc57c path3/subp3/file3sym
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EOF
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test_expect_success \
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'git-ls-tree -r output for a known tree.' \
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'diff current expected'
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# But with -r -t we can have both.
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test_expect_success \
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'showing tree with git-ls-tree -r -t' \
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'git-ls-tree -r -t $tree >current'
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cat >expected <<\EOF
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100644 blob f87290f8eb2cbbea7857214459a0739927eab154 path0
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120000 blob 15a98433ae33114b085f3eb3bb03b832b3180a01 path0sym
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040000 tree 58a09c23e2ca152193f2786e06986b7b6712bdbe path2
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100644 blob 3feff949ed00a62d9f7af97c15cd8a30595e7ac7 path2/file2
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120000 blob d8ce161addc5173867a3c3c730924388daedbc38 path2/file2sym
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040000 tree 21ae8269cacbe57ae09138dcc3a2887f904d02b3 path3
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100644 blob 0aa34cae68d0878578ad119c86ca2b5ed5b28376 path3/file3
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120000 blob 8599103969b43aff7e430efea79ca4636466794f path3/file3sym
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040000 tree 3c5e5399f3a333eddecce7a9b9465b63f65f51e2 path3/subp3
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100644 blob 00fb5908cb97c2564a9783c0c64087333b3b464f path3/subp3/file3
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120000 blob 6649a1ebe9e9f1c553b66f5a6e74136a07ccc57c path3/subp3/file3sym
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EOF
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test_expect_success \
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'git-ls-tree -r output for a known tree.' \
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'diff current expected'
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test_expect_success \
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'writing partial tree out with git-write-tree --prefix.' \
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'ptree=$(git-write-tree --prefix=path3)'
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test_expect_success \
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'validate object ID for a known tree.' \
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'test "$ptree" = 21ae8269cacbe57ae09138dcc3a2887f904d02b3'
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test_expect_success \
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'writing partial tree out with git-write-tree --prefix.' \
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'ptree=$(git-write-tree --prefix=path3/subp3)'
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test_expect_success \
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'validate object ID for a known tree.' \
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'test "$ptree" = 3c5e5399f3a333eddecce7a9b9465b63f65f51e2'
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################################################################
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rm .git/index
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test_expect_success \
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'git-read-tree followed by write-tree should be idempotent.' \
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'git-read-tree $tree &&
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test -f .git/index &&
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newtree=$(git-write-tree) &&
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test "$newtree" = "$tree"'
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cat >expected <<\EOF
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:100644 100644 f87290f8eb2cbbea7857214459a0739927eab154 0000000000000000000000000000000000000000 M path0
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:120000 120000 15a98433ae33114b085f3eb3bb03b832b3180a01 0000000000000000000000000000000000000000 M path0sym
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:100644 100644 3feff949ed00a62d9f7af97c15cd8a30595e7ac7 0000000000000000000000000000000000000000 M path2/file2
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:120000 120000 d8ce161addc5173867a3c3c730924388daedbc38 0000000000000000000000000000000000000000 M path2/file2sym
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:100644 100644 0aa34cae68d0878578ad119c86ca2b5ed5b28376 0000000000000000000000000000000000000000 M path3/file3
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:120000 120000 8599103969b43aff7e430efea79ca4636466794f 0000000000000000000000000000000000000000 M path3/file3sym
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:100644 100644 00fb5908cb97c2564a9783c0c64087333b3b464f 0000000000000000000000000000000000000000 M path3/subp3/file3
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:120000 120000 6649a1ebe9e9f1c553b66f5a6e74136a07ccc57c 0000000000000000000000000000000000000000 M path3/subp3/file3sym
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EOF
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test_expect_success \
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'validate git-diff-files output for a know cache/work tree state.' \
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'git-diff-files >current && diff >/dev/null -b current expected'
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test_expect_success \
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'git-update-index --refresh should succeed.' \
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'git-update-index --refresh'
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test_expect_success \
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'no diff after checkout and git-update-index --refresh.' \
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'git-diff-files >current && cmp -s current /dev/null'
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################################################################
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P=087704a96baf1c2d1c869a8b084481e121c88b5b
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test_expect_success \
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'git-commit-tree records the correct tree in a commit.' \
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'commit0=$(echo NO | git-commit-tree $P) &&
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tree=$(git show --pretty=raw $commit0 |
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sed -n -e "s/^tree //p" -e "/^author /q") &&
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test "z$tree" = "z$P"'
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test_expect_success \
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'git-commit-tree records the correct parent in a commit.' \
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'commit1=$(echo NO | git-commit-tree $P -p $commit0) &&
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parent=$(git show --pretty=raw $commit1 |
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sed -n -e "s/^parent //p" -e "/^author /q") &&
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test "z$commit0" = "z$parent"'
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test_expect_success \
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'git-commit-tree omits duplicated parent in a commit.' \
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'commit2=$(echo NO | git-commit-tree $P -p $commit0 -p $commit0) &&
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parent=$(git show --pretty=raw $commit2 |
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sed -n -e "s/^parent //p" -e "/^author /q" |
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sort -u) &&
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test "z$commit0" = "z$parent" &&
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numparent=$(git show --pretty=raw $commit2 |
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sed -n -e "s/^parent //p" -e "/^author /q" |
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wc -l) &&
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test $numparent = 1'
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test_done
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