Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""
-import sys, os, popen2
+import sys, os, popen2, re, gitmergeonefile
+from stgit import basedir
from stgit.utils import *
# git exception class
# Functions
#
-def get_base_dir():
- """Different start-up variables read from the environment
- """
- if 'GIT_DIR' in os.environ:
- return os.environ['GIT_DIR']
- else:
- return _output_one_line('git-rev-parse --git-dir')
-
def get_commit(id_hash):
"""Commit objects factory. Save/look-up them in the __commits
dictionary
def get_conflicts():
"""Return the list of file conflicts
"""
- conflicts_file = os.path.join(get_base_dir(), 'conflicts')
+ conflicts_file = os.path.join(basedir.get(), 'conflicts')
if os.path.isfile(conflicts_file):
f = file(conflicts_file)
names = [line.strip() for line in f.readlines()]
# unknown files
if unknown:
- exclude_file = os.path.join(get_base_dir(), 'info', 'exclude')
+ exclude_file = os.path.join(basedir.get(), 'info', 'exclude')
base_exclude = ['--exclude=%s' % s for s in
['*.[ao]', '*.pyc', '.*', '*~', '#*', 'TAGS', 'tags']]
base_exclude.append('--exclude-per-directory=.gitignore')
if noexclude:
extra_exclude = base_exclude = []
- lines = _output_lines(['git-ls-files', '--others'] + base_exclude
- + extra_exclude)
+ lines = _output_lines(['git-ls-files', '--others', '--directory']
+ + base_exclude + extra_exclude)
cache_files += [('?', line.strip()) for line in lines]
# conflicted files
raise GitException, 'Could not update HEAD to "%s".' % val
__head = val
+ # only allow SHA1 hashes
+ assert(len(__head) == 40)
+
def __clear_head_cache():
"""Sets the __head to None so that a re-read is forced
"""
if tree_id:
switch(tree_id)
- if os.path.isfile(os.path.join(get_base_dir(), 'MERGE_HEAD')):
- os.remove(os.path.join(get_base_dir(), 'MERGE_HEAD'))
+ if os.path.isfile(os.path.join(basedir.get(), 'MERGE_HEAD')):
+ os.remove(os.path.join(basedir.get(), 'MERGE_HEAD'))
def switch_branch(name):
"""Switch to a git branch
if not branch_exists(new_head):
raise GitException, 'Branch "%s" does not exist' % name
- tree_id = rev_parse(new_head + '^0')
+ tree_id = rev_parse(new_head + '^{commit}')
if tree_id != get_head():
refresh_index()
if __run('git-read-tree -u -m', [get_head(), tree_id]) != 0:
__head = tree_id
set_head_file(new_head)
- if os.path.isfile(os.path.join(get_base_dir(), 'MERGE_HEAD')):
- os.remove(os.path.join(get_base_dir(), 'MERGE_HEAD'))
+ if os.path.isfile(os.path.join(basedir.get(), 'MERGE_HEAD')):
+ os.remove(os.path.join(basedir.get(), 'MERGE_HEAD'))
def delete_branch(name):
"""Delete a git branch
branch_head = os.path.join('refs', 'heads', name)
if not branch_exists(branch_head):
raise GitException, 'Branch "%s" does not exist' % name
- os.remove(os.path.join(get_base_dir(), branch_head))
+ os.remove(os.path.join(basedir.get(), branch_head))
def rename_branch(from_name, to_name):
"""Rename a git branch
if get_head_file() == from_name:
set_head_file(to_head)
- os.rename(os.path.join(get_base_dir(), from_head), \
- os.path.join(get_base_dir(), to_head))
+ os.rename(os.path.join(basedir.get(), from_head), \
+ os.path.join(basedir.get(), to_head))
def add(names):
"""Add the files or recursively add the directory contents
return commit_id
-def apply_diff(rev1, rev2):
+def apply_diff(rev1, rev2, check_index = True):
"""Apply the diff between rev1 and rev2 onto the current
index. This function doesn't need to raise an exception since it
is only used for fast-pushing a patch. If this operation fails,
the pushing would fall back to the three-way merge.
"""
- return os.system('git-diff-tree -p %s %s | git-apply --index 2> /dev/null'
- % (rev1, rev2)) == 0
+ if check_index:
+ index_opt = '--index'
+ else:
+ index_opt = ''
+ cmd = 'git-diff-tree -p %s %s | git-apply %s 2> /dev/null' \
+ % (rev1, rev2, index_opt)
+
+ return os.system(cmd) == 0
def merge(base, head1, head2):
"""Perform a 3-way merge between base, head1 and head2 into the
local tree
"""
refresh_index()
- if __run('git-read-tree -u -m', [base, head1, head2]) != 0:
+ if __run('git-read-tree -u -m --aggressive', [base, head1, head2]) != 0:
raise GitException, 'git-read-tree failed (local changes maybe?)'
- # this can fail if there are conflicts
- if __run('git-merge-index -o -q gitmergeonefile.py -a') != 0:
- raise GitException, 'git-merge-index failed (possible conflicts)'
+ # check the index for unmerged entries
+ files = {}
+ stages_re = re.compile('^([0-7]+) ([0-9a-f]{40}) ([1-3])\t(.*)$', re.S)
+
+ for line in _output('git-ls-files --unmerged --stage -z').split('\0'):
+ if not line:
+ continue
+
+ mode, hash, stage, path = stages_re.findall(line)[0]
+
+ if not path in files:
+ files[path] = {}
+ files[path]['1'] = ('', '')
+ files[path]['2'] = ('', '')
+ files[path]['3'] = ('', '')
+
+ files[path][stage] = (mode, hash)
+
+ # merge the unmerged files
+ errors = False
+ for path in files:
+ stages = files[path]
+ if gitmergeonefile.merge(stages['1'][1], stages['2'][1],
+ stages['3'][1], path, stages['1'][0],
+ stages['2'][0], stages['3'][0]) != 0:
+ errors = True
+
+ if errors:
+ raise GitException, 'GIT index merging failed (possible conflicts)'
def status(files = None, modified = False, new = False, deleted = False,
conflict = False, unknown = False, noexclude = False):
__set_head(tree_id)
-def reset(files = None, tree_id = 'HEAD'):
+def reset(files = None, tree_id = None):
"""Revert the tree changes relative to the given tree_id. It removes
any local changes
"""
+ if not tree_id:
+ tree_id = get_head()
+
checkout(files, tree_id, True)
# if the reset refers to the whole tree, switch the HEAD as well
- if tree_id and not files:
+ if not files:
__set_head(tree_id)
def pull(repository = 'origin', refspec = None):
~mdw / stgit / blobdiff