comparison hgext/convert/cvsps.py @ 7862:02981000012e 1.2.1

cvsps: recognize and eliminate CVS' synthetic "file added" revisions.

7861:2bc14da14992

        .lines     - a tuple (+lines, -lines) or None
        .parent    - Previous revision of this entry
        .rcs       - name of file as returned from CVS
        .revision  - revision number as tuple
        .tags      - list of tags on the file
    '''
    def __init__(self, **entries):
        self.__dict__.update(entries)

class logerror(Exception):

    re_32 = re.compile('=============================================================================$')
    re_50 = re.compile('revision ([\\d.]+)(\s+locked by:\s+.+;)?$')
    re_60 = re.compile(r'date:\s+(.+);\s+author:\s+(.+);\s+state:\s+(.+?);(\s+lines:\s+(\+\d+)?\s+(-\d+)?;)?')
    re_70 = re.compile('branches: (.+);$')

    prefix = ''   # leading path to strip of what we get from CVS

    if directory is None:
        # Current working directory

            # as this state is re-entered for subsequent revisions of a file.
            match = re_50.match(line)
            assert match, _('expected revision number')
            e = logentry(rcs=scache(rcs), file=scache(filename),
                    revision=tuple([int(x) for x in match.group(1).split('.')]),
                    branches=[], parent=None)
            state = 6

        elif state == 6:
            # expecting date, author, state, lines changed
            match = re_60.match(line)

                state = 0
                store = True
            else:
                e.comment.append(line)

        if store:
            # clean up the results and save in the log.
            store = False
            e.tags = util.sort([scache(x) for x in tags.get(e.revision, [])])
            e.comment = scache('\n'.join(e.comment))

        .comment   - commit message
        .date      - the commit date as a (time,tz) tuple
        .entries   - list of logentry objects in this changeset
        .parents   - list of one or two parent changesets
        .tags      - list of tags on this changeset
    '''
    def __init__(self, **entries):
        self.__dict__.update(entries)

def createchangeset(ui, log, fuzz=60, mergefrom=None, mergeto=None):

                ui.status(util.ellipsis(t, 80) + '\n')

        c.entries.append(e)
        files[e.file] = True
        c.date = e.date       # changeset date is date of latest commit in it

    # Sort files in each changeset

    for c in changesets:
        def pathcompare(l, r):

            for f in c.entries:
                p = max(p, versions.get((f.rcs, f.parent), None))

        c.parents = []
        if p is not None:
            c.parents.append(changesets[p])

        if mergefrom:
            m = mergefrom.search(c.comment)
            if m:
                m = m.group(1)

                    continue

        branches[c.branch] = i
        i += 1

    # Number changesets

    for i, c in enumerate(changesets):
        c.id = i + 1

7862:02981000012e

        .lines     - a tuple (+lines, -lines) or None
        .parent    - Previous revision of this entry
        .rcs       - name of file as returned from CVS
        .revision  - revision number as tuple
        .tags      - list of tags on the file
        .synthetic - is this a synthetic "file ... added on ..." revision?
    '''
    def __init__(self, **entries):
        self.__dict__.update(entries)

class logerror(Exception):

    re_32 = re.compile('=============================================================================$')
    re_50 = re.compile('revision ([\\d.]+)(\s+locked by:\s+.+;)?$')
    re_60 = re.compile(r'date:\s+(.+);\s+author:\s+(.+);\s+state:\s+(.+?);(\s+lines:\s+(\+\d+)?\s+(-\d+)?;)?')
    re_70 = re.compile('branches: (.+);$')

    file_added_re = re.compile(r'file [^/]+ was (initially )?added on branch')

    prefix = ''   # leading path to strip of what we get from CVS

    if directory is None:
        # Current working directory

            # as this state is re-entered for subsequent revisions of a file.
            match = re_50.match(line)
            assert match, _('expected revision number')
            e = logentry(rcs=scache(rcs), file=scache(filename),
                    revision=tuple([int(x) for x in match.group(1).split('.')]),
                    branches=[], parent=None,
                    synthetic=False)
            state = 6

        elif state == 6:
            # expecting date, author, state, lines changed
            match = re_60.match(line)

                state = 0
                store = True
            else:
                e.comment.append(line)

        # When a file is added on a branch B1, CVS creates a synthetic
        # dead trunk revision 1.1 so that the branch has a root.
        # Likewise, if you merge such a file to a later branch B2 (one
        # that already existed when the file was added on B1), CVS
        # creates a synthetic dead revision 1.1.x.1 on B2.  Don't drop
        # these revisions now, but mark them synthetic so
        # createchangeset() can take care of them.
        if (store and
              e.dead and
              e.revision[-1] == 1 and      # 1.1 or 1.1.x.1
              len(e.comment) == 1 and
              file_added_re.match(e.comment[0])):
            ui.debug(_('found synthetic rev in %s: %r\n')
                     % (e.rcs, e.comment[0]))
            e.synthetic = True

        if store:
            # clean up the results and save in the log.
            store = False
            e.tags = util.sort([scache(x) for x in tags.get(e.revision, [])])
            e.comment = scache('\n'.join(e.comment))

        .comment   - commit message
        .date      - the commit date as a (time,tz) tuple
        .entries   - list of logentry objects in this changeset
        .parents   - list of one or two parent changesets
        .tags      - list of tags on this changeset
        .synthetic - from synthetic revision "file ... added on branch ..."
    '''
    def __init__(self, **entries):
        self.__dict__.update(entries)

def createchangeset(ui, log, fuzz=60, mergefrom=None, mergeto=None):

                ui.status(util.ellipsis(t, 80) + '\n')

        c.entries.append(e)
        files[e.file] = True
        c.date = e.date       # changeset date is date of latest commit in it

    # Mark synthetic changesets

    for c in changesets:
        # Synthetic revisions always get their own changeset, because
        # the log message includes the filename.  E.g. if you add file3
        # and file4 on a branch, you get four log entries and three
        # changesets:
        #   "File file3 was added on branch ..." (synthetic, 1 entry)
        #   "File file4 was added on branch ..." (synthetic, 1 entry)
        #   "Add file3 and file4 to fix ..."     (real, 2 entries)
        # Hence the check for 1 entry here.
        c.synthetic = (len(c.entries) == 1 and c.entries[0].synthetic)

    # Sort files in each changeset

    for c in changesets:
        def pathcompare(l, r):

            for f in c.entries:
                p = max(p, versions.get((f.rcs, f.parent), None))

        c.parents = []
        if p is not None:
            p = changesets[p]

            # Ensure no changeset has a synthetic changeset as a parent.
            while p.synthetic:
                assert len(p.parents) <= 1, \
                       _('synthetic changeset cannot have multiple parents')
                if p.parents:
                    p = p.parents[0]
                else:
                    p = None
                    break

            if p is not None:
                c.parents.append(p)

        if mergefrom:
            m = mergefrom.search(c.comment)
            if m:
                m = m.group(1)

                    continue

        branches[c.branch] = i
        i += 1

    # Drop synthetic changesets (safe now that we have ensured no other
    # changesets can have them as parents).
    i = 0
    while i < len(changesets):
        if changesets[i].synthetic:
            del changesets[i]
        else:
            i += 1

    # Number changesets

    for i, c in enumerate(changesets):
        c.id = i + 1