Remove the resolved command
[stgit] / stgit / commands / common.py
index 1426aca..bc8266e 100644 (file)
@@ -18,121 +18,110 @@ along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 """
 
-import sys, os, os.path, re
-from optparse import OptionParser, make_option
-
+import sys, os, os.path, re, email.Utils
 from stgit.exception import *
 from stgit.utils import *
 from stgit.out import *
 from stgit.run import *
 from stgit import stack, git, basedir
 from stgit.config import config, file_extensions
-
+from stgit.lib import stack as libstack
+from stgit.lib import git as libgit
+from stgit.lib import log
 
 # Command exception class
 class CmdException(StgException):
     pass
 
 # Utility functions
-class RevParseException(StgException):
-    """Revision spec parse error."""
-    pass
-
 def parse_rev(rev):
-    """Parse a revision specification into its
-    patchname@branchname//patch_id parts. If no branch name has a slash
-    in it, also accept / instead of //."""
-    if '/' in ''.join(git.get_heads()):
-        # We have branch names with / in them.
-        branch_chars = r'[^@]'
-        patch_id_mark = r'//'
-    else:
-        # No / in branch names.
-        branch_chars = r'[^@/]'
-        patch_id_mark = r'(/|//)'
-    patch_re = r'(?P<patch>[^@/]+)'
-    branch_re = r'@(?P<branch>%s+)' % branch_chars
-    patch_id_re = r'%s(?P<patch_id>[a-z.]*)' % patch_id_mark
-
-    # Try //patch_id.
-    m = re.match(r'^%s$' % patch_id_re, rev)
-    if m:
-        return None, None, m.group('patch_id')
-
-    # Try path[@branch]//patch_id.
-    m = re.match(r'^%s(%s)?%s$' % (patch_re, branch_re, patch_id_re), rev)
-    if m:
-        return m.group('patch'), m.group('branch'), m.group('patch_id')
-
-    # Try patch[@branch].
-    m = re.match(r'^%s(%s)?$' % (patch_re, branch_re), rev)
-    if m:
-        return m.group('patch'), m.group('branch'), None
-
-    # No, we can't parse that.
-    raise RevParseException
+    """Parse a revision specification into its branch:patch parts.
+    """
+    try:
+        branch, patch = rev.split(':', 1)
+    except ValueError:
+        branch = None
+        patch = rev
+
+    return (branch, patch)
 
 def git_id(crt_series, rev):
     """Return the GIT id
     """
-    if not rev:
-        return None
-
-    # try a GIT revision first
+    # TODO: remove this function once all the occurrences were converted
+    # to git_commit()
+    repository = libstack.Repository.default()
+    return git_commit(rev, repository, crt_series.get_name()).sha1
+
+def get_public_ref(branch_name):
+    """Return the public ref of the branch."""
+    public_ref = config.get('branch.%s.public' % branch_name)
+    if not public_ref:
+        public_ref = 'refs/heads/%s.public' % branch_name
+    return public_ref
+
+def git_commit(name, repository, branch_name = None):
+    """Return the a Commit object if 'name' is a patch name or Git commit.
+    The patch names allowed are in the form '<branch>:<patch>' and can
+    be followed by standard symbols used by git rev-parse. If <patch>
+    is '{base}', it represents the bottom of the stack. If <patch> is
+    {public}, it represents the public branch corresponding to the stack as
+    described in the 'publish' command.
+    """
+    # Try a [branch:]patch name first
+    branch, patch = parse_rev(name)
+    if not branch:
+        branch = branch_name or repository.current_branch_name
+
+    # The stack base
+    if patch.startswith('{base}'):
+        base_id = repository.get_stack(branch).base.sha1
+        return repository.rev_parse(base_id +
+                                    strip_prefix('{base}', patch))
+    elif patch.startswith('{public}'):
+        public_ref = get_public_ref(branch)
+        return repository.rev_parse(public_ref +
+                                    strip_prefix('{public}', patch),
+                                    discard_stderr = True)
+
+    # Other combination of branch and patch
     try:
-        return git.rev_parse(rev + '^{commit}')
-    except git.GitException:
+        return repository.rev_parse('patches/%s/%s' % (branch, patch),
+                                    discard_stderr = True)
+    except libgit.RepositoryException:
         pass
 
-    # try an StGIT patch name
+    # Try a Git commit
     try:
-        patch, branch, patch_id = parse_rev(rev)
-        if branch == None:
-            series = crt_series
-        else:
-            series = stack.Series(branch)
-        if patch == None:
-            patch = series.get_current()
-            if not patch:
-                raise CmdException, 'No patches applied'
-        if patch in series.get_applied() or patch in series.get_unapplied() or \
-               patch in series.get_hidden():
-            if patch_id in ['top', '', None]:
-                return series.get_patch(patch).get_top()
-            elif patch_id == 'bottom':
-                return series.get_patch(patch).get_bottom()
-            elif patch_id == 'top.old':
-                return series.get_patch(patch).get_old_top()
-            elif patch_id == 'bottom.old':
-                return series.get_patch(patch).get_old_bottom()
-            elif patch_id == 'log':
-                return series.get_patch(patch).get_log()
-        if patch == 'base' and patch_id == None:
-            return series.get_base()
-    except RevParseException:
-        pass
-    except stack.StackException:
-        pass
-
-    raise CmdException, 'Unknown patch or revision: %s' % rev
+        return repository.rev_parse(name, discard_stderr = True)
+    except libgit.RepositoryException:
+        raise CmdException('%s: Unknown patch or revision name' % name)
+
+def color_diff_flags():
+    """Return the git flags for coloured diff output if the configuration and
+    stdout allows."""
+    stdout_is_tty = (sys.stdout.isatty() and 'true') or 'false'
+    if config.get_colorbool('color.diff', stdout_is_tty) == 'true':
+        return ['--color']
+    else:
+        return []
 
 def check_local_changes():
     if git.local_changes():
-        raise CmdException, \
-              'local changes in the tree. Use "refresh" or "status --reset"'
+        raise CmdException('local changes in the tree. Use "refresh" or'
+                           ' "status --reset"')
 
 def check_head_top_equal(crt_series):
     if not crt_series.head_top_equal():
-        raise CmdException(
-"""HEAD and top are not the same. This can happen if you
-   modify a branch with git. "stg repair --help" explains
-   more about what to do next.""")
+        raise CmdException('HEAD and top are not the same. This can happen'
+                           ' if you modify a branch with git. "stg repair'
+                           ' --help" explains more about what to do next.')
 
 def check_conflicts():
     if git.get_conflicts():
-        raise CmdException, \
-              'Unsolved conflicts. Please resolve them first or\n' \
-              '  revert the changes with "status --reset"'
+        raise CmdException('Unsolved conflicts. Please fix the conflicts'
+                           ' then use "git add --update <files>" or revert the'
+                           ' changes with "status --reset".')
 
 def print_crt_patch(crt_series, branch = None):
     if not branch:
@@ -145,27 +134,9 @@ def print_crt_patch(crt_series, branch = None):
     else:
         out.info('No patches applied')
 
-def resolved(filename, reset = None):
-    if reset:
-        reset_file = filename + file_extensions()[reset]
-        if os.path.isfile(reset_file):
-            if os.path.isfile(filename):
-                os.remove(filename)
-            os.rename(reset_file, filename)
-            # update the access and modificatied times
-            os.utime(filename, None)
-
-    git.update_cache([filename], force = True)
-
-    for ext in file_extensions().values():
-        fn = filename + ext
-        if os.path.isfile(fn):
-            os.remove(fn)
-
 def resolved_all(reset = None):
     conflicts = git.get_conflicts()
-    for filename in conflicts:
-        resolved(filename, reset)
+    git.resolved(conflicts, reset)
 
 def push_patches(crt_series, patches, check_merged = False):
     """Push multiple patches onto the stack. This function is shared
@@ -226,6 +197,8 @@ def parse_patches(patch_args, patch_list, boundary = 0, ordered = False):
     a list. The names can be individual patches and/or in the
     patch1..patch2 format.
     """
+    # in case it receives a tuple
+    patch_list = list(patch_list)
     patches = []
 
     for name in patch_args:
@@ -284,49 +257,33 @@ def parse_patches(patch_args, patch_list, boundary = 0, ordered = False):
     return patches
 
 def name_email(address):
-    """Return a tuple consisting of the name and email parsed from a
-    standard 'name <email>' or 'email (name)' string
-    """
-    address = re.sub('[\\\\"]', '\\\\\g<0>', address)
-    str_list = re.findall('^(.*)\s*<(.*)>\s*$', address)
-    if not str_list:
-        str_list = re.findall('^(.*)\s*\((.*)\)\s*$', address)
-        if not str_list:
-            raise CmdException, 'Incorrect "name <email>"/"email (name)" string: %s' % address
-        return ( str_list[0][1], str_list[0][0] )
-
-    return str_list[0]
+    p = email.Utils.parseaddr(address)
+    if p[1]:
+        return p
+    else:
+        raise CmdException('Incorrect "name <email>"/"email (name)" string: %s'
+                           % address)
 
 def name_email_date(address):
-    """Return a tuple consisting of the name, email and date parsed
-    from a 'name <email> date' string
-    """
-    address = re.sub('[\\\\"]', '\\\\\g<0>', address)
-    str_list = re.findall('^(.*)\s*<(.*)>\s*(.*)\s*$', address)
-    if not str_list:
-        raise CmdException, 'Incorrect "name <email> date" string: %s' % address
-
-    return str_list[0]
+    p = parse_name_email_date(address)
+    if p:
+        return p
+    else:
+        raise CmdException('Incorrect "name <email> date" string: %s' % address)
 
-def address_or_alias(addr_str):
-    """Return the address if it contains an e-mail address or look up
+def address_or_alias(addr_pair):
+    """Return a name-email tuple the e-mail address is valid or look up
     the aliases in the config files.
     """
-    def __address_or_alias(addr):
-        if not addr:
-            return None
-        if addr.find('@') >= 0:
-            # it's an e-mail address
-            return addr
-        alias = config.get('mail.alias.'+addr)
-        if alias:
-            # it's an alias
-            return alias
-        raise CmdException, 'unknown e-mail alias: %s' % addr
-
-    addr_list = [__address_or_alias(addr.strip())
-                 for addr in addr_str.split(',')]
-    return ', '.join([addr for addr in addr_list if addr])
+    addr = addr_pair[1]
+    if '@' in addr:
+        # it's an e-mail address
+        return addr_pair
+    alias = config.get('mail.alias.' + addr)
+    if alias:
+        # it's an alias
+        return name_email(alias)
+    raise CmdException, 'unknown e-mail alias: %s' % addr
 
 def prepare_rebase(crt_series):
     # pop all patches
@@ -480,12 +437,15 @@ def parse_mail(msg):
 
     return (descr, authname, authemail, authdate, diff)
 
-def parse_patch(text):
+def parse_patch(text, contains_diff):
     """Parse the input text and return (description, authname,
     authemail, authdate, diff)
     """
-    descr, diff = __split_descr_diff(text)
-    descr, authname, authemail, authdate = __parse_description(descr)
+    if contains_diff:
+        (text, diff) = __split_descr_diff(text)
+    else:
+        diff = None
+    (descr, authname, authemail, authdate) = __parse_description(text)
 
     # we don't yet have an agreed place for the creation date.
     # Just return None
@@ -502,12 +462,39 @@ def readonly_constant_property(f):
         return getattr(self, n)
     return property(new_f)
 
+def update_commit_data(cd, options, allow_edit = False):
+    """Return a new CommitData object updated according to the command line
+    options."""
+    # Set the commit message from commandline.
+    if options.message != None:
+        cd = cd.set_message(options.message)
+
+    # Modify author data.
+    cd = cd.set_author(options.author(cd.author))
+
+    # Add Signed-off-by: or similar.
+    if options.sign_str != None:
+        sign_str = options.sign_str
+    else:
+        sign_str = config.get("stgit.autosign")
+    if sign_str != None:
+        cd = cd.set_message(
+            add_sign_line(cd.message, sign_str,
+                          cd.committer.name, cd.committer.email))
+
+    # Let user edit the commit message manually.
+    if allow_edit and not options.message:
+        cd = cd.set_message(edit_string(cd.message, '.stgit-new.txt'))
+
+    return cd
+
 class DirectoryException(StgException):
     pass
 
 class _Directory(object):
-    def __init__(self, needs_current_series = True):
+    def __init__(self, needs_current_series = True, log = True):
         self.needs_current_series =  needs_current_series
+        self.log = log
     @readonly_constant_property
     def git_dir(self):
         try:
@@ -540,6 +527,9 @@ class _Directory(object):
                        ).output_one_line()]
     def cd_to_topdir(self):
         os.chdir(self.__topdir_path)
+    def write_log(self, msg):
+        if self.log:
+            log.compat_log_entry(msg)
 
 class DirectoryAnywhere(_Directory):
     def setup(self):
@@ -548,6 +538,7 @@ class DirectoryAnywhere(_Directory):
 class DirectoryHasRepository(_Directory):
     def setup(self):
         self.git_dir # might throw an exception
+        log.compat_log_external_mods()
 
 class DirectoryInWorktree(DirectoryHasRepository):
     def setup(self):
@@ -559,3 +550,12 @@ class DirectoryGotoToplevel(DirectoryInWorktree):
     def setup(self):
         DirectoryInWorktree.setup(self)
         self.cd_to_topdir()
+
+class DirectoryHasRepositoryLib(_Directory):
+    """For commands that use the new infrastructure in stgit.lib.*."""
+    def __init__(self):
+        self.needs_current_series = False
+        self.log = False # stgit.lib.transaction handles logging
+    def setup(self):
+        # This will throw an exception if we don't have a repository.
+        self.repository = libstack.Repository.default()