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Merge branch 'dg/subtree-rebase-test'

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Add a test to specify the desired behaviour that currently is not
available in "git rebase -Xsubtree=...".

* dg/subtree-rebase-test:
  contrib/subtree: Add a test for subtree rebase that loses commits
This commit is contained in:
Junio C Hamano 2016-07-13 11:24:13 -07:00
commit fc8a3a6072
1 changed files with 119 additions and 0 deletions
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119
t/t3427-rebase-subtree.sh Executable file
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#!/bin/sh
test_description='git rebase tests for -Xsubtree
This test runs git rebase and tests the subtree strategy.
'
. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-rebase.sh
commit_message() {
git log --pretty=format:%s -1 "$1"
}
test_expect_success 'setup' '
test_commit README &&
mkdir files &&
(
cd files &&
git init &&
test_commit master1 &&
test_commit master2 &&
test_commit master3
) &&
git fetch files master &&
git branch files-master FETCH_HEAD &&
git read-tree --prefix=files_subtree files-master &&
git checkout -- files_subtree &&
tree=$(git write-tree) &&
head=$(git rev-parse HEAD) &&
rev=$(git rev-parse --verify files-master^0) &&
commit=$(git commit-tree -p $head -p $rev -m "Add subproject master" $tree) &&
git update-ref HEAD $commit &&
(
cd files_subtree &&
test_commit master4
) &&
test_commit files_subtree/master5
'
# FAILURE: Does not preserve master4.
test_expect_failure 'Rebase -Xsubtree --preserve-merges --onto commit 4' '
reset_rebase &&
git checkout -b rebase-preserve-merges-4 master &&
git filter-branch --prune-empty -f --subdirectory-filter files_subtree &&
git commit -m "Empty commit" --allow-empty &&
git rebase -Xsubtree=files_subtree --preserve-merges --onto files-master master &&
verbose test "$(commit_message HEAD~)" = "files_subtree/master4"
'
# FAILURE: Does not preserve master5.
test_expect_failure 'Rebase -Xsubtree --preserve-merges --onto commit 5' '
reset_rebase &&
git checkout -b rebase-preserve-merges-5 master &&
git filter-branch --prune-empty -f --subdirectory-filter files_subtree &&
git commit -m "Empty commit" --allow-empty &&
git rebase -Xsubtree=files_subtree --preserve-merges --onto files-master master &&
verbose test "$(commit_message HEAD)" = "files_subtree/master5"
'
# FAILURE: Does not preserve master4.
test_expect_failure 'Rebase -Xsubtree --keep-empty --preserve-merges --onto commit 4' '
reset_rebase &&
git checkout -b rebase-keep-empty-4 master &&
git filter-branch --prune-empty -f --subdirectory-filter files_subtree &&
git commit -m "Empty commit" --allow-empty &&
git rebase -Xsubtree=files_subtree --keep-empty --preserve-merges --onto files-master master &&
verbose test "$(commit_message HEAD~2)" = "files_subtree/master4"
'
# FAILURE: Does not preserve master5.
test_expect_failure 'Rebase -Xsubtree --keep-empty --preserve-merges --onto commit 5' '
reset_rebase &&
git checkout -b rebase-keep-empty-5 master &&
git filter-branch --prune-empty -f --subdirectory-filter files_subtree &&
git commit -m "Empty commit" --allow-empty &&
git rebase -Xsubtree=files_subtree --keep-empty --preserve-merges --onto files-master master &&
verbose test "$(commit_message HEAD~)" = "files_subtree/master5"
'
# FAILURE: Does not preserve Empty.
test_expect_failure 'Rebase -Xsubtree --keep-empty --preserve-merges --onto empty commit' '
reset_rebase &&
git checkout -b rebase-keep-empty-empty master &&
git filter-branch --prune-empty -f --subdirectory-filter files_subtree &&
git commit -m "Empty commit" --allow-empty &&
git rebase -Xsubtree=files_subtree --keep-empty --preserve-merges --onto files-master master &&
verbose test "$(commit_message HEAD)" = "Empty commit"
'
# FAILURE: fatal: Could not parse object
test_expect_failure 'Rebase -Xsubtree --onto commit 4' '
reset_rebase &&
git checkout -b rebase-onto-4 master &&
git filter-branch --prune-empty -f --subdirectory-filter files_subtree &&
git commit -m "Empty commit" --allow-empty &&
git rebase -Xsubtree=files_subtree --onto files-master master &&
verbose test "$(commit_message HEAD~2)" = "files_subtree/master4"
'
# FAILURE: fatal: Could not parse object
test_expect_failure 'Rebase -Xsubtree --onto commit 5' '
reset_rebase &&
git checkout -b rebase-onto-5 master &&
git filter-branch --prune-empty -f --subdirectory-filter files_subtree &&
git commit -m "Empty commit" --allow-empty &&
git rebase -Xsubtree=files_subtree --onto files-master master &&
verbose test "$(commit_message HEAD~)" = "files_subtree/master5"
'
# FAILURE: fatal: Could not parse object
test_expect_failure 'Rebase -Xsubtree --onto empty commit' '
reset_rebase &&
git checkout -b rebase-onto-empty master &&
git filter-branch --prune-empty -f --subdirectory-filter files_subtree &&
git commit -m "Empty commit" --allow-empty &&
git rebase -Xsubtree=files_subtree --onto files-master master &&
verbose test "$(commit_message HEAD)" = "Empty commit"
'
test_done