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Merge pull request #3069 from benjixx/consistently-get-bin-path-for-git

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consistently use module.get_bin_path('git', True) to get git path before...
This commit is contained in:
Michael DeHaan 2013-05-31 13:21:00 -07:00
commit 80bebc1806
1 changed files with 55 additions and 52 deletions
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107
library/source_control/git
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@ -85,15 +85,15 @@ examples:
import re
import tempfile
def get_version(dest):
def get_version(git_path, dest):
''' samples the version of the git repo '''
os.chdir(dest)
cmd = "git show --abbrev-commit"
cmd = "%s show --abbrev-commit" % (git_path,)
sha = os.popen(cmd).read().split("\n")
sha = sha[0].split()[1]
return sha
def clone(module, repo, dest, remote, depth):
def clone(git_path, module, repo, dest, remote, depth):
''' makes a new git repo if it does not already exist '''
dest_dirname = os.path.dirname(dest)
try:
@ -101,39 +101,40 @@ def clone(module, repo, dest, remote, depth):
except:
pass
os.chdir(dest_dirname)
cmd = [ module.get_bin_path('git', True), 'clone', '-o', remote ]
cmd = [ git_path, 'clone', '-o', remote ]
if depth:
cmd.extend([ '--depth', str(depth) ])
cmd.extend([ repo, dest ])
return module.run_command(cmd, check_rc=True)
def has_local_mods(dest):
def has_local_mods(git_path, dest):
os.chdir(dest)
cmd = "git status -s"
cmd = "%s status -s" % (git_path,)
lines = os.popen(cmd).read().splitlines()
lines = filter(lambda c: not re.search('^\\?\\?.*$', c), lines)
return len(lines) > 0
def reset(module, dest, force):
def reset(git_path, module, dest, force):
'''
Resets the index and working tree to HEAD.
Discards any changes to tracked files in working
tree since that commit.
'''
os.chdir(dest)
if not force and has_local_mods(dest):
if not force and has_local_mods(git_path, dest):
module.fail_json(msg="Local modifications exist in repository (force=no).")
return module.run_command("git reset --hard HEAD", check_rc=True)
cmd = "%s reset --hard HEAD" % (git_path,)
return module.run_command(cmd, check_rc=True)
def get_remote_head(module, dest, version, remote):
def get_remote_head(git_path, module, dest, version, remote):
cmd = ''
os.chdir(dest)
if version == 'HEAD':
version = get_head_branch(module, dest, remote)
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)
version = get_head_branch(git_path, module, dest, remote)
if is_remote_branch(git_path, module, dest, remote, version):
cmd = '%s ls-remote %s -h refs/heads/%s' % (git_path, remote, version)
elif is_remote_tag(git_path, module, dest, remote, version):
cmd = '%s ls-remote %s -t refs/tags/%s' % (git_path, remote, version)
else:
# appears to be a sha1. return as-is since it appears
# cannot check for a specific sha1 on remote
@ -144,35 +145,36 @@ def get_remote_head(module, dest, version, remote):
rev = out.split()[0]
return rev
def is_remote_tag(module, dest, remote, version):
def is_remote_tag(git_path, module, dest, remote, version):
os.chdir(dest)
cmd = 'git ls-remote %s -t refs/tags/%s' % (remote, version)
cmd = '%s ls-remote %s -t refs/tags/%s' % (git_path, remote, version)
(rc, out, err) = module.run_command(cmd)
if version in out:
return True
else:
return False
def get_branches(module, dest):
def get_branches(git_path, module, dest):
os.chdir(dest)
branches = []
(rc, out, err) = module.run_command("git branch -a")
cmd = '%s branch -a' % (git_path,)
(rc, out, err) = module.run_command(cmd)
if rc != 0:
module.fail_json(msg="Could not determine branch data - received %s" % out)
for line in out.split('\n'):
branches.append(line.strip())
return branches
def is_remote_branch(module, dest, remote, branch):
branches = get_branches(module, dest)
def is_remote_branch(git_path, module, dest, remote, branch):
branches = get_branches(git_path, module, dest)
rbranch = 'remotes/%s/%s' % (remote, branch)
if rbranch in branches:
return True
else:
return False
def is_local_branch(module, dest, branch):
branches = get_branches(module, dest)
def is_local_branch(git_path, module, dest, branch):
branches = get_branches(git_path, module, dest)
lbranch = '%s' % branch
if lbranch in branches:
return True
@ -181,8 +183,8 @@ def is_local_branch(module, dest, branch):
else:
return False
def is_current_branch(module, dest, branch):
branches = get_branches(module, dest)
def is_current_branch(git_path, module, dest, branch):
branches = get_branches(git_path, module, dest)
for b in branches:
if b.startswith('* '):
cur_branch = b
@ -191,14 +193,14 @@ def is_current_branch(module, dest, branch):
else:
return True
def is_not_a_branch(module, dest):
branches = get_branches(module, dest)
def is_not_a_branch(git_path, module, dest):
branches = get_branches(git_path, 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):
def get_head_branch(git_path, module, dest, remote):
'''
Determine what branch HEAD is associated with. This is partly
taken from lib/ansible/utils/__init__.py. It finds the correct
@ -222,46 +224,46 @@ def get_head_branch(module, dest, remote):
# If we're in a detached HEAD state, look up the branch associated with
# the remote HEAD in .git/refs/remotes/<remote>/HEAD
f = open(os.path.join(repo_path, "HEAD"))
if is_not_a_branch(module, dest):
if is_not_a_branch(git_path, module, dest):
f.close()
f = open(os.path.join(repo_path, 'refs', 'remotes', remote, 'HEAD'))
branch = f.readline().split('/')[-1].rstrip("\n")
f.close()
return branch
def fetch(module, repo, dest, version, remote):
def fetch(git_path, module, repo, dest, version, remote):
''' updates repo from remote sources '''
os.chdir(dest)
(rc, out1, err1) = module.run_command("git fetch %s" % remote)
(rc, out1, err1) = module.run_command("%s fetch %s" % (git_path, remote))
if rc != 0:
module.fail_json(msg="Failed to download remote objects and refs")
(rc, out2, err2) = module.run_command("git fetch --tags %s" % remote)
(rc, out2, err2) = module.run_command("%s fetch --tags %s" % (git_path, remote))
if rc != 0:
module.fail_json(msg="Failed to download remote objects and refs")
return (rc, out1 + out2, err1 + err2)
def switch_version(module, dest, remote, version):
def switch_version(git_path, module, dest, remote, version):
''' once pulled, switch to a particular SHA, tag, or branch '''
os.chdir(dest)
cmd = ''
if version != 'HEAD':
if is_remote_branch(module, dest, remote, version):
if not is_local_branch(module, dest, version):
cmd = "git checkout --track -b %s %s/%s" % (version, remote, version)
if is_remote_branch(git_path, module, dest, remote, version):
if not is_local_branch(git_path, module, dest, version):
cmd = "%s checkout --track -b %s %s/%s" % (git_path, version, remote, version)
else:
(rc, out, err) = module.run_command("git checkout --force %s" % version)
(rc, out, err) = module.run_command("%s checkout --force %s" % (git_path, version))
if rc != 0:
module.fail_json(msg="Failed to checkout branch %s" % version)
cmd = "git reset --hard %s/%s" % (remote, version)
cmd = "%s reset --hard %s/%s" % (git_path, remote, version)
else:
cmd = "git checkout --force %s" % version
cmd = "%s checkout --force %s" % (git_path, version)
else:
branch = get_head_branch(module, dest, remote)
(rc, out, err) = module.run_command("git checkout --force %s" % branch)
branch = get_head_branch(git_path, module, dest, remote)
(rc, out, err) = module.run_command("%s checkout --force %s" % (git_path, branch))
if rc != 0:
module.fail_json(msg="Failed to checkout branch %s" % branch)
cmd = "git reset --hard %s" % remote
cmd = "%s reset --hard %s" % (git_path, remote)
return module.run_command(cmd, check_rc=True)
# ===========================================
@ -288,6 +290,7 @@ def main():
depth = module.params['depth']
update = module.params['update']
git_path = module.get_bin_path('git', True)
gitconfig = os.path.join(dest, '.git', 'config')
rc, out, err, status = (0, None, None, None)
@ -299,31 +302,31 @@ def main():
if not os.path.exists(gitconfig):
if module.check_mode:
module.exit_json(changed=True)
(rc, out, err) = clone(module, repo, dest, remote, depth)
(rc, out, err) = clone(git_path, module, repo, dest, remote, depth)
elif not update:
# Just return having found a repo already in the dest path
# this does no checking that the repo is the actual repo
# requested.
before = get_version(dest)
before = get_version(git_path, dest)
module.exit_json(changed=False, before=before, after=before)
else:
# else do a pull
local_mods = has_local_mods(dest)
before = get_version(dest)
local_mods = has_local_mods(git_path, dest)
before = get_version(git_path, dest)
# if force, do a reset
if local_mods and module.check_mode:
module.exit_json(changed=True, msg='Local modifications exist')
(rc, out, err) = reset(module,dest,force)
(rc, out, err) = reset(git_path, module, dest, force)
if rc != 0:
module.fail_json(msg=err)
# check or get changes from remote
remote_head = get_remote_head(module, dest, version, remote)
remote_head = get_remote_head(git_path, module, dest, version, remote)
if module.check_mode:
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)
(rc, out, err) = module.run_command("%s show %s" % (git_path, version))
if version in out:
changed = False
else:
@ -335,16 +338,16 @@ def main():
else:
changed = False
module.exit_json(changed=changed, before=before, after=remote_head)
(rc, out, err) = fetch(module, repo, dest, version, remote)
(rc, out, err) = fetch(git_path, module, repo, dest, version, remote)
if rc != 0:
module.fail_json(msg=err)
# switch to version specified regardless of whether
# we cloned or pulled
(rc, out, err) = switch_version(module, dest, remote, version)
(rc, out, err) = switch_version(git_path, module, dest, remote, version)
# determine if we changed anything
after = get_version(dest)
after = get_version(git_path, dest)
changed = False
if before != after or local_mods: