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Help git module work when working in 'no branch' scenario

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Detect when on a 'no branch' branch.  If so, checkout the HEAD branch
as reported by 'git remote show <remote>'.  That should put the repo
back on a branch such that git can then merge changes as necessary.
In addition, removed hard-coded references to origin and replaced
with remote var.
This commit is contained in:
Stephen Fromm 2012-10-22 16:03:35 -07:00
parent 109632e3bc
commit 769bd9125a
1 changed files with 29 additions and 4 deletions
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33
library/git
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@ -146,7 +146,27 @@ def is_current_branch(module, dest, branch):
else: else:
return True return True
def pull(module, repo, dest, version): def is_not_a_branch(module, dest):
branches = get_branches(module, dest)
for b in branches:
if b.startswith('* ') and 'no branch' in b:
return True
return False
def get_head_branch(module, dest, remote):
os.chdir(dest)
head = ''
cmd = "git remote show %s" % remote
cmd = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out, err = cmd.communicate()
if cmd.returncode != 0:
module.fail_json(msg="Could not determine HEAD branch via git remote show")
for line in out.split('\n'):
if 'HEAD branch' in line:
head = line.split()[-1].strip()
return head
def pull(module, repo, dest, version, remote):
''' updates repo from remote sources ''' ''' updates repo from remote sources '''
os.chdir(dest) os.chdir(dest)
branches = get_branches(module, dest) branches = get_branches(module, dest)
@ -158,8 +178,13 @@ def pull(module, repo, dest, version):
(rc, out, err) = switch_version(module, dest, remote, version) (rc, out, err) = switch_version(module, dest, remote, version)
if rc != 0: if rc != 0:
module.fail_json(msg=err) module.fail_json(msg=err)
if is_not_a_branch(module, dest):
head_branch = get_head_branch(module, dest, remote)
(rc, out, err) = switch_version(module, dest, remote, head_branch)
if rc != 0:
module.fail_json(msg=err)
cmd = "git pull -u origin" cmd = "git pull -u %s" % remote
cmd = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE) cmd = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out, err = cmd.communicate() out, err = cmd.communicate()
rc = cmd.returncode rc = cmd.returncode
@ -176,7 +201,7 @@ def switch_version(module, dest, remote, version):
cmd = "git checkout --force %s" % version cmd = "git checkout --force %s" % version
else: else:
# is there a better way to do this? # is there a better way to do this?
cmd = "git rebase origin" cmd = "git rebase %s" % remote
cmd = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE) cmd = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
(out, err) = cmd.communicate() (out, err) = cmd.communicate()
rc = cmd.returncode rc = cmd.returncode
@ -220,7 +245,7 @@ def main():
(rc, out, err) = reset(module,dest,force) (rc, out, err) = reset(module,dest,force)
if rc != 0: if rc != 0:
module.fail_json(msg=err) module.fail_json(msg=err)
(rc, out, err) = pull(module, repo, dest, version) (rc, out, err) = pull(module, repo, dest, version, remote)
if rc != 0: if rc != 0:
module.fail_json(msg=err) module.fail_json(msg=err)