comparison mercurial/tagmerge.py @ 43077:687b865b95ad

formatting: byteify all mercurial/ and hgext/ string literals

Done with

    python3.7 contrib/byteify-strings.py -i $(hg files 'set:mercurial/**.py - mercurial/thirdparty/** + hgext/**.py - hgext/fsmonitor/pywatchman/** - mercurial/__init__.py')
    black -l 80 -t py33 -S $(hg files 'set:**.py - mercurial/thirdparty/** - "contrib/python-zstandard/**" - hgext/fsmonitor/pywatchman/**')

# skip-blame mass-reformatting only

Differential Revision: https://phab.mercurial-scm.org/D6972

43076:2372284d9457

)

hexnullid = hex(nullid)


def readtagsformerge(ui, repo, lines, fn='', keeplinenums=False):
    '''read the .hgtags file into a structure that is suitable for merging

    Depending on the keeplinenums flag, clear the line numbers associated
    with each tag. This is done because only the line numbers of the first
    parent are useful for merging.

        mergedtags[tname] = grouptagnodesbyline(taglist)

    # convert the grouped merged tags dict into a format that resembles the
    # final .hgtags file (i.e. a list of blocks of 'node tag' pairs)
    def taglist2string(tlist, tname):
        return '\n'.join(['%s %s' % (hexnode, tname) for hexnode in tlist])

    finaltags = []
    for tname, tags in mergedtags.items():
        for block in tags:
            block[1] = taglist2string(block[1], tname)

    # file to the first parent's .hgtags file is as small as possible
    finaltags.sort(key=lambda x: -1 if x[0] is None else x[0])

    # finally we can join the sorted groups to get the final contents of the
    # merged .hgtags file, and then write it to disk
    mergedtagstring = '\n'.join([tags for rank, tags in finaltags if tags])
    fcd.write(mergedtagstring + '\n', fcd.flags())


def singletagmerge(p1nodes, p2nodes):
    '''
    merge the nodes corresponding to a single tag

    '''
    ui = repo.ui
    # read the p1, p2 and base tags
    # only keep the line numbers for the p1 tags
    p1tags = readtagsformerge(
        ui, repo, fcd.data().splitlines(), fn="p1 tags", keeplinenums=True
    )
    p2tags = readtagsformerge(
        ui, repo, fco.data().splitlines(), fn="p2 tags", keeplinenums=False
    )
    basetags = readtagsformerge(
        ui, repo, fca.data().splitlines(), fn="base tags", keeplinenums=False
    )

    # recover the list of "lost tags" (i.e. those that were found on the base
    # revision but not on one of the revisions being merged)
    basetagset = set(basetags)

    if conflictedtags:
        numconflicts = len(conflictedtags)
        ui.warn(
            _(
                'automatic .hgtags merge failed\n'
                'the following %d tags are in conflict: %s\n'
            )
            % (numconflicts, ', '.join(sorted(conflictedtags)))
        )
        return True, 1

    writemergedtags(fcd, mergedtags)
    ui.note(_('.hgtags merged successfully\n'))
    return False, 0

43077:687b865b95ad

)

hexnullid = hex(nullid)


def readtagsformerge(ui, repo, lines, fn=b'', keeplinenums=False):
    '''read the .hgtags file into a structure that is suitable for merging

    Depending on the keeplinenums flag, clear the line numbers associated
    with each tag. This is done because only the line numbers of the first
    parent are useful for merging.

        mergedtags[tname] = grouptagnodesbyline(taglist)

    # convert the grouped merged tags dict into a format that resembles the
    # final .hgtags file (i.e. a list of blocks of 'node tag' pairs)
    def taglist2string(tlist, tname):
        return b'\n'.join([b'%s %s' % (hexnode, tname) for hexnode in tlist])

    finaltags = []
    for tname, tags in mergedtags.items():
        for block in tags:
            block[1] = taglist2string(block[1], tname)

    # file to the first parent's .hgtags file is as small as possible
    finaltags.sort(key=lambda x: -1 if x[0] is None else x[0])

    # finally we can join the sorted groups to get the final contents of the
    # merged .hgtags file, and then write it to disk
    mergedtagstring = b'\n'.join([tags for rank, tags in finaltags if tags])
    fcd.write(mergedtagstring + b'\n', fcd.flags())


def singletagmerge(p1nodes, p2nodes):
    '''
    merge the nodes corresponding to a single tag

    '''
    ui = repo.ui
    # read the p1, p2 and base tags
    # only keep the line numbers for the p1 tags
    p1tags = readtagsformerge(
        ui, repo, fcd.data().splitlines(), fn=b"p1 tags", keeplinenums=True
    )
    p2tags = readtagsformerge(
        ui, repo, fco.data().splitlines(), fn=b"p2 tags", keeplinenums=False
    )
    basetags = readtagsformerge(
        ui, repo, fca.data().splitlines(), fn=b"base tags", keeplinenums=False
    )

    # recover the list of "lost tags" (i.e. those that were found on the base
    # revision but not on one of the revisions being merged)
    basetagset = set(basetags)

    if conflictedtags:
        numconflicts = len(conflictedtags)
        ui.warn(
            _(
                b'automatic .hgtags merge failed\n'
                b'the following %d tags are in conflict: %s\n'
            )
            % (numconflicts, b', '.join(sorted(conflictedtags)))
        )
        return True, 1

    writemergedtags(fcd, mergedtags)
    ui.note(_(b'.hgtags merged successfully\n'))
    return False, 0