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authorSverre Rabbelier <srabbelier@gmail.com>2011-07-16 13:03:37 (GMT)
committerJunio C Hamano <gitster@pobox.com>2011-07-19 18:17:48 (GMT)
commit6c8151a32e59c3109b3acc886358bfe6c14612fb (patch)
tree882657ee395b45ddf7aefb34f664c69c952130f8 /git_remote_helpers
parent1f25c50419c5f46cd6b818438fe641cf942ee6ad (diff)
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transport-helper: update ref status after push with export
Also add check_output from python 2.7. Signed-off-by: Sverre Rabbelier <srabbelier@gmail.com> Acked-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'git_remote_helpers')
-rw-r--r--git_remote_helpers/git/importer.py28
-rw-r--r--git_remote_helpers/util.py34
2 files changed, 61 insertions, 1 deletions
diff --git a/git_remote_helpers/git/importer.py b/git_remote_helpers/git/importer.py
index 02a719a..5c6b595 100644
--- a/git_remote_helpers/git/importer.py
+++ b/git_remote_helpers/git/importer.py
@@ -1,7 +1,7 @@
import os
import subprocess
-from git_remote_helpers.util import check_call
+from git_remote_helpers.util import check_call, check_output
class GitImporter(object):
@@ -16,6 +16,18 @@ class GitImporter(object):
self.repo = repo
+ def get_refs(self, gitdir):
+ """Returns a dictionary with refs.
+ """
+ args = ["git", "--git-dir=" + gitdir, "for-each-ref", "refs/heads"]
+ lines = check_output(args).strip().split('\n')
+ refs = {}
+ for line in lines:
+ value, name = line.split(' ')
+ name = name.strip('commit\t')
+ refs[name] = value
+ return refs
+
def do_import(self, base):
"""Imports a fast-import stream to the given directory.
@@ -32,9 +44,23 @@ class GitImporter(object):
if not os.path.exists(dirname):
os.makedirs(dirname)
+ refs_before = self.get_refs(gitdir)
+
args = ["git", "--git-dir=" + gitdir, "fast-import", "--quiet", "--export-marks=" + path]
if os.path.exists(path):
args.append("--import-marks=" + path)
check_call(args)
+
+ refs_after = self.get_refs(gitdir)
+
+ changed = {}
+
+ for name, value in refs_after.iteritems():
+ if refs_before.get(name) == value:
+ continue
+
+ changed[name] = value
+
+ return changed
diff --git a/git_remote_helpers/util.py b/git_remote_helpers/util.py
index 1652c65..fbbb01b 100644
--- a/git_remote_helpers/util.py
+++ b/git_remote_helpers/util.py
@@ -175,6 +175,40 @@ def check_call(*popenargs, **kwargs):
return 0
+# from python2.7:subprocess.py
+def check_output(*popenargs, **kwargs):
+ r"""Run command with arguments and return its output as a byte string.
+
+ If the exit code was non-zero it raises a CalledProcessError. The
+ CalledProcessError object will have the return code in the returncode
+ attribute and output in the output attribute.
+
+ The arguments are the same as for the Popen constructor. Example:
+
+ >>> check_output(["ls", "-l", "/dev/null"])
+ 'crw-rw-rw- 1 root root 1, 3 Oct 18 2007 /dev/null\n'
+
+ The stdout argument is not allowed as it is used internally.
+ To capture standard error in the result, use stderr=STDOUT.
+
+ >>> check_output(["/bin/sh", "-c",
+ ... "ls -l non_existent_file ; exit 0"],
+ ... stderr=STDOUT)
+ 'ls: non_existent_file: No such file or directory\n'
+ """
+ if 'stdout' in kwargs:
+ raise ValueError('stdout argument not allowed, it will be overridden.')
+ process = subprocess.Popen(stdout=subprocess.PIPE, *popenargs, **kwargs)
+ output, unused_err = process.communicate()
+ retcode = process.poll()
+ if retcode:
+ cmd = kwargs.get("args")
+ if cmd is None:
+ cmd = popenargs[0]
+ raise subprocess.CalledProcessError(retcode, cmd)
+ return output
+
+
def file_reader_method (missing_ok = False):
"""Decorator for simplifying reading of files.