/
t9160-git-svn-preserve-empty-dirs.sh
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t9160-git-svn-preserve-empty-dirs.sh
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#!/bin/sh
#
# Copyright (c) 2011 Ray Chen
#
test_description='git svn test (option --preserve-empty-dirs)
This test uses git to clone a Subversion repository that contains empty
directories, and checks that corresponding directories are created in the
local Git repository with placeholder files.'
. ./lib-git-svn.sh
say 'define NO_SVN_TESTS to skip git svn tests'
GIT_REPO=git-svn-repo
test_expect_success 'initialize source svn repo containing empty dirs' '
svn_cmd mkdir -m x "$svnrepo"/trunk &&
svn_cmd co "$svnrepo"/trunk "$SVN_TREE" &&
(
cd "$SVN_TREE" &&
mkdir -p 1 2 3/a 3/b 4 5 6 &&
echo "First non-empty file" > 2/file1.txt &&
echo "Second non-empty file" > 2/file2.txt &&
echo "Third non-empty file" > 3/a/file1.txt &&
echo "Fourth non-empty file" > 3/b/file1.txt &&
svn_cmd add 1 2 3 4 5 6 &&
svn_cmd commit -m "initial commit" &&
mkdir 4/a &&
svn_cmd add 4/a &&
svn_cmd commit -m "nested empty directory" &&
mkdir 4/a/b &&
svn_cmd add 4/a/b &&
svn_cmd commit -m "deeply nested empty directory" &&
mkdir 4/a/b/c &&
svn_cmd add 4/a/b/c &&
svn_cmd commit -m "really deeply nested empty directory" &&
echo "Kill the placeholder file" > 4/a/b/c/foo &&
svn_cmd add 4/a/b/c/foo &&
svn_cmd commit -m "Regular file to remove placeholder" &&
svn_cmd del 2/file2.txt &&
svn_cmd del 3/b &&
svn_cmd commit -m "delete non-last entry in directory" &&
svn_cmd del 2/file1.txt &&
svn_cmd del 3/a &&
svn_cmd commit -m "delete last entry in directory" &&
echo "Conflict file" > 5/.placeholder &&
mkdir 6/.placeholder &&
svn_cmd add 5/.placeholder 6/.placeholder &&
svn_cmd commit -m "Placeholder Namespace conflict"
) &&
rm -rf "$SVN_TREE"
'
test_expect_success 'clone svn repo with --preserve-empty-dirs' '
git svn clone "$svnrepo"/trunk --preserve-empty-dirs "$GIT_REPO"
'
# "$GIT_REPO"/1 should only contain the placeholder file.
test_expect_success 'directory empty from inception' '
test -f "$GIT_REPO"/1/.gitignore &&
test $(find "$GIT_REPO"/1 -type f | wc -l) = "1"
'
# "$GIT_REPO"/2 and "$GIT_REPO"/3 should only contain the placeholder file.
test_expect_success 'directory empty from subsequent svn commit' '
test -f "$GIT_REPO"/2/.gitignore &&
test $(find "$GIT_REPO"/2 -type f | wc -l) = "1" &&
test -f "$GIT_REPO"/3/.gitignore &&
test $(find "$GIT_REPO"/3 -type f | wc -l) = "1"
'
# No placeholder files should exist in "$GIT_REPO"/4, even though one was
# generated for every sub-directory at some point in the repo's history.
test_expect_success 'add entry to previously empty directory' '
test $(find "$GIT_REPO"/4 -type f | wc -l) = "1" &&
test -f "$GIT_REPO"/4/a/b/c/foo
'
# The HEAD~2 commit should not have introduced .gitignore placeholder files.
test_expect_success 'remove non-last entry from directory' '
(
cd "$GIT_REPO" &&
git checkout HEAD~2
) &&
test_must_fail test -f "$GIT_REPO"/2/.gitignore &&
test_must_fail test -f "$GIT_REPO"/3/.gitignore
'
# After re-cloning the repository with --placeholder-file specified, there
# should be 5 files named ".placeholder" in the local Git repo.
test_expect_success 'clone svn repo with --placeholder-file specified' '
rm -rf "$GIT_REPO" &&
git svn clone "$svnrepo"/trunk --preserve-empty-dirs \
--placeholder-file=.placeholder "$GIT_REPO" &&
find "$GIT_REPO" -type f -name ".placeholder" &&
test $(find "$GIT_REPO" -type f -name ".placeholder" | wc -l) = "5"
'
# "$GIT_REPO"/5/.placeholder should be a file, and non-empty.
test_expect_success 'placeholder namespace conflict with file' '
test -s "$GIT_REPO"/5/.placeholder
'
# "$GIT_REPO"/6/.placeholder should be a directory, and the "$GIT_REPO"/6 tree
# should only contain one file: the placeholder.
test_expect_success 'placeholder namespace conflict with directory' '
test -d "$GIT_REPO"/6/.placeholder &&
test -f "$GIT_REPO"/6/.placeholder/.placeholder &&
test $(find "$GIT_REPO"/6 -type f | wc -l) = "1"
'
# Prepare a second set of svn commits to test persistence during rebase.
test_expect_success 'second set of svn commits and rebase' '
svn_cmd co "$svnrepo"/trunk "$SVN_TREE" &&
(
cd "$SVN_TREE" &&
mkdir -p 7 &&
echo "This should remove placeholder" > 1/file1.txt &&
echo "This should not remove placeholder" > 5/file1.txt &&
svn_cmd add 7 1/file1.txt 5/file1.txt &&
svn_cmd commit -m "subsequent svn commit for persistence tests"
) &&
rm -rf "$SVN_TREE" &&
(
cd "$GIT_REPO" &&
git svn rebase
)
'
# Check that --preserve-empty-dirs and --placeholder-file flag state
# stays persistent over multiple invocations.
test_expect_success 'flag persistence during subsqeuent rebase' '
test -f "$GIT_REPO"/7/.placeholder &&
test $(find "$GIT_REPO"/7 -type f | wc -l) = "1"
'
# Check that placeholder files are properly removed when unnecessary,
# even across multiple invocations.
test_expect_success 'placeholder list persistence during subsqeuent rebase' '
test -f "$GIT_REPO"/1/file1.txt &&
test $(find "$GIT_REPO"/1 -type f | wc -l) = "1" &&
test -f "$GIT_REPO"/5/file1.txt &&
test -f "$GIT_REPO"/5/.placeholder &&
test $(find "$GIT_REPO"/5 -type f | wc -l) = "2"
'
test_done