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Fixes for get_remote_head in git module

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See issue #2471

This fixes get_remote_head() to be smarter about how to check remote
head.  It checks if it is a remote branch or tag and then checks for the
remote object id associated with it.  If it is sha1, get_remote_head()
returns it as-is since there doesn't appear to be a way to check a
remote repository for a specific object/sha1.  is_remote_tag() is added
to help out the new functionalit in get_remote_head().

In main(), if check_mode is true and version is a sha1, the module now
checks to see if the object is present.
This commit is contained in:
Stephen Fromm 2013-03-20 14:28:06 -07:00
parent 92997ec789
commit b694b9a66e
1 changed files with 34 additions and 6 deletions
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40
library/git
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@ -104,16 +104,33 @@ def reset(module,dest,force):
return module.run_command("git reset --hard HEAD", check_rc=True)
def get_remote_head(module, dest, version, remote):
cmd = ''
os.chdir(dest)
if version == 'HEAD':
version = get_head_branch(module, dest, remote)
os.chdir(dest)
cmd = "git ls-remote %s -h refs/heads/%s" % (remote, version)
if is_remote_branch(module, dest, remote, version):
cmd = 'git ls-remote %s -h refs/heads/%s' % (remote, version)
elif is_remote_tag(module, dest, remote, version):
cmd = 'git ls-remote %s -t refs/tags/%s' % (remote, version)
else:
# appears to be a sha1. return as-is since it appears
# cannot check for a specific sha1 on remote
return version
(rc, out, err) = module.run_command(cmd, check_rc=True)
if len(out) < 1:
module.fail_json(msg="Could not determine remote revision for %s" % version)
rev = out.split()[0]
return rev
def is_remote_tag(module, dest, remote, version):
os.chdir(dest)
cmd = 'git ls-remote %s -t refs/tags/%s' % (remote, version)
(rc, out, err) = module.run_command(cmd)
if version in out:
return True
else:
return False
def get_branches(module, dest):
os.chdir(dest)
branches = []
@ -270,11 +287,22 @@ def main():
# check or get changes from remote
remote_head = get_remote_head(module, dest, version, remote)
if module.check_mode:
remote_head = remote_head[0:7]
if before != remote_head:
module.exit_json(changed=True, before=before, after=remote_head)
changed = False
if remote_head == version:
# get_remote_head returned version as-is
# were given a sha1 object, see if it is present
(rc, out, err) = module.run_command("git show %s" % version)
if version in out:
changed = False
else:
changed = True
else:
module.exit_json(changed=False, before=before, after=remote_head)
remote_head = remote_head[0:7]
if before != remote_head:
changed = True
else:
changed = False
module.exit_json(changed=changed, before=before, after=remote_head)
(rc, out, err) = fetch(module, repo, dest, version, remote)
if rc != 0:
module.fail_json(msg=err)