| import os |
| import subprocess |
| import sys |
| |
| from git_remote_helpers.util import check_call |
| |
| |
| class GitExporter(object): |
| """An exporter for testgit repositories. |
| |
| The exporter simply delegates to git fast-export. |
| """ |
| |
| def __init__(self, repo): |
| """Creates a new exporter for the specified repo. |
| """ |
| |
| self.repo = repo |
| |
| def export_repo(self, base, refs=None): |
| """Exports a fast-export stream for the given directory. |
| |
| Simply delegates to git fast-epxort and pipes it through sed |
| to make the refs show up under the prefix rather than the |
| default refs/heads. This is to demonstrate how the export |
| data can be stored under it's own ref (using the refspec |
| capability). |
| |
| If None, refs defaults to ["HEAD"]. |
| """ |
| |
| if not refs: |
| refs = ["HEAD"] |
| |
| dirname = self.repo.get_base_path(base) |
| path = os.path.abspath(os.path.join(dirname, 'testgit.marks')) |
| |
| if not os.path.exists(dirname): |
| os.makedirs(dirname) |
| |
| print "feature relative-marks" |
| if os.path.exists(os.path.join(dirname, 'git.marks')): |
| print "feature import-marks=%s/git.marks" % self.repo.hash |
| print "feature export-marks=%s/git.marks" % self.repo.hash |
| sys.stdout.flush() |
| |
| args = ["git", "--git-dir=" + self.repo.gitpath, "fast-export", "--export-marks=" + path] |
| |
| if os.path.exists(path): |
| args.append("--import-marks=" + path) |
| |
| args.extend(refs) |
| |
| p1 = subprocess.Popen(args, stdout=subprocess.PIPE) |
| |
| args = ["sed", "s_refs/heads/_" + self.repo.prefix + "_g"] |
| |
| check_call(args, stdin=p1.stdout) |