mercurial/copies.py

42228:df7ad90edbd4

        if v in t:
            # found a chain, i.e. cases 3 & 4.
            if t[v] != k:
                # file wasn't renamed back to itself (i.e. case 4, not 3)
                t[k] = t[v]
        if v in src:
            # file is a copy of an existing file, i.e. case 6.
            t[k] = v

    for k, v in list(t.items()):
        # remove criss-crossed copies, i.e. case 3

42229:5a3979529740

        if v in t:
            # found a chain, i.e. cases 3 & 4.
            if t[v] != k:
                # file wasn't renamed back to itself (i.e. case 4, not 3)
                t[k] = t[v]
        elif v in src:
            # file is a copy of an existing file, i.e. case 6.
            t[k] = v

    for k, v in list(t.items()):
        # remove criss-crossed copies, i.e. case 3