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-rw-r--r--git_remote_helpers/git/exporter.py58
1 files changed, 58 insertions, 0 deletions
diff --git a/git_remote_helpers/git/exporter.py b/git_remote_helpers/git/exporter.py
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+++ b/git_remote_helpers/git/exporter.py
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+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)