public void setup() throws Exception {
project = new ProjectAlpha("projectAlpha");
releases = new ProjectBetaReleases("projectBeta-releases");
// create one branch off of master; add a library only on the branch
WithCwd wd = new WithCwd(project.getRepo().getWorkTree());
{
// add a library on the branch.
git.args("checkout", "-b", "blue").start().get();
assertJoy(
Mdm.run(
"add", releases.getRepo().getWorkTree().toString(), "--version=v1.0", "--name=beta"));
// switch back to master
git.args("checkout", "master").start().get();
// make one more commit just so it's not a degenerate fast-forward merge this direction
IOForge.saveFile("asdf", new File("somefile").getCanonicalFile());
git.args("add", "--", "somefile").start().get();
git.args("commit", "-m", "somecommit").start().get();
// remove the library from the working tree.
// this is a cheap way to force any mdm-update invocations to take the long road through
// fetch.
IOForge.delete(new File("lib").getCanonicalFile());
}
wd.close();
}
@Test
public void update_while_merging_a_branch_without_a_dep() throws Exception {
setup();
// do a merges.
WithCwd wd = new WithCwd(project.getRepo().getWorkTree());
{
// switch to the branch with the lib
git.args("checkout", "blue").start().get();
// add a conflicting file so we get halted mid merge (inb4: no, '--no-commit' isn't quite the
// same)
IOForge.saveFile("qwer", new File("somefile").getCanonicalFile());
git.args("add", "--", "somefile").start().get();
git.args("commit", "-m", "bluecommit").start().get();
// merge the master branch, which doesn't have the lib yet. should conflict (exit code is
// nonzero)
git.args("merge", "--no-ff", "master").okExit(1).start().get();
// we're stuck in a merge conflict. try to mdm-update during it
assertJoy(Mdm.run("update", "--strict"));
// finish the merge.
git.args("add", "somefile").start().get();
git.args("commit", "--no-edit").start().get();
}
wd.close();
// now verify.
File depWorkTreePath =
new File(project.getRepo().getWorkTree() + "/lib/beta").getCanonicalFile();
File depGitDataPath =
new File(project.getRepo().getDirectory() + "/modules/lib/beta").getCanonicalFile();
// i do hope there's a filesystem there now
assertTrue("dependency module path exists on fs", depWorkTreePath.exists());
assertTrue("dependency module path is dir", depWorkTreePath.isDirectory());
// check that anyone else can read this state with a straight face; status should be clean
new Josh("git")
.args("status")
.cwd(project.getRepo().getWorkTree()) /*.opts(Opts.NullIO)*/
.start()
.get();
new Josh("git").args("status").cwd(depWorkTreePath) /*.opts(Opts.NullIO)*/.start().get();
}