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cfabd6eee1
When two branches are merged that modify a subdirectory (possibly in different intermediate steps) such that both end up identical, then rev-list chooses only one branch. But when we filter history, we want to keep both branches. Therefore, we must use --full-history. Signed-off-by: Johannes Sixt <johannes.sixt@telecom.at> Signed-off-by: Junio C Hamano <gitster@pobox.com>
103 lines
2.2 KiB
Bash
Executable File
103 lines
2.2 KiB
Bash
Executable File
#!/bin/sh
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test_description='git-filter-branch'
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. ./test-lib.sh
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make_commit () {
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lower=$(echo $1 | tr A-Z a-z)
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echo $lower > $lower
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git add $lower
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test_tick
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git commit -m $1
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git tag $1
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}
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test_expect_success 'setup' '
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make_commit A
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make_commit B
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git checkout -b branch B
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make_commit D
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make_commit E
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git checkout master
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make_commit C
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git checkout branch
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git merge C
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git tag F
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make_commit G
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make_commit H
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'
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H=$(git-rev-parse H)
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test_expect_success 'rewrite identically' '
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git-filter-branch H2
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'
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test_expect_success 'result is really identical' '
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test $H = $(git-rev-parse H2)
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'
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test_expect_success 'rewrite, renaming a specific file' '
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git-filter-branch --tree-filter "mv d doh || :" H3
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'
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test_expect_success 'test that the file was renamed' '
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test d = $(git show H3:doh)
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'
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git tag oldD H3~4
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test_expect_success 'rewrite one branch, keeping a side branch' '
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git-filter-branch --tree-filter "mv b boh || :" modD D..oldD
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'
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test_expect_success 'common ancestor is still common (unchanged)' '
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test "$(git-merge-base modD D)" = "$(git-rev-parse B)"
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'
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test_expect_success 'filter subdirectory only' '
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mkdir subdir &&
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touch subdir/new &&
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git add subdir/new &&
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test_tick &&
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git commit -m "subdir" &&
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echo H > a &&
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test_tick &&
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git commit -m "not subdir" a &&
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echo A > subdir/new &&
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test_tick &&
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git commit -m "again subdir" subdir/new &&
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git rm a &&
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test_tick &&
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git commit -m "again not subdir" &&
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git-filter-branch --subdirectory-filter subdir sub
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'
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test_expect_success 'subdirectory filter result looks okay' '
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test 2 = $(git-rev-list sub | wc -l) &&
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git show sub:new &&
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! git show sub:subdir
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'
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test_expect_success 'setup and filter history that requires --full-history' '
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git checkout master &&
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mkdir subdir &&
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echo A > subdir/new &&
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git add subdir/new &&
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test_tick &&
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git commit -m "subdir on master" subdir/new &&
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git rm a &&
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test_tick &&
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git commit -m "again subdir on master" &&
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git merge branch &&
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git-filter-branch --subdirectory-filter subdir sub-master
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'
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test_expect_success 'subdirectory filter result looks okay' '
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test 3 = $(git-rev-list -1 --parents sub-master | wc -w) &&
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git show sub-master^:new &&
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git show sub-master^2:new &&
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! git show sub:subdir
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'
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test_done
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