comparison mercurial/windows.py @ 38725:c382c19ce9bd

windows: expand '~/' and '~\' to %USERPROFILE% when translating to cmd.exe

It's convenient to be able to reference hooks in a portable location on any
platform.

38724:02b5b5c1bba8

    >>> shelltocmdexe(b"cmd $$ %% %var1%%var2%", e)
    'cmd $$ %% %var1%%var2%'
    >>> # No double substitution
    >>> shelltocmdexe(b"$var1 %var1%", {b'var1': b'%var2%', b'var2': b'boom'})
    '%var1% %var1%'
    """
    if not any(c in path for c in b"$'"):
        return path

    varchars = pycompat.sysbytes(string.ascii_letters + string.digits) + b'_-'

    res = b''

                else:
                    res += b'$' + var

                if c != '':
                    index -= 1
        elif c == b'\\' and index + 1 < pathlen and path[index + 1] == b'$':
            # Skip '\', but only if it is escaping $
            res += b'$'
            index += 1
        else:
            res += c

        index += 1

38725:c382c19ce9bd

    >>> shelltocmdexe(b"cmd $$ %% %var1%%var2%", e)
    'cmd $$ %% %var1%%var2%'
    >>> # No double substitution
    >>> shelltocmdexe(b"$var1 %var1%", {b'var1': b'%var2%', b'var2': b'boom'})
    '%var1% %var1%'
    >>> # Tilde expansion
    >>> shelltocmdexe(b"~/dir ~\dir2 ~tmpfile \~/", {})
    '%USERPROFILE%/dir %USERPROFILE%\\dir2 ~tmpfile ~/'
    """
    if not any(c in path for c in b"$'~"):
        return path

    varchars = pycompat.sysbytes(string.ascii_letters + string.digits) + b'_-'

    res = b''

                else:
                    res += b'$' + var

                if c != '':
                    index -= 1
        elif (c == b'~' and index + 1 < pathlen
              and path[index + 1] in (b'\\', b'/')):
            res += "%USERPROFILE%"
        elif (c == b'\\' and index + 1 < pathlen
              and path[index + 1] in (b'$', b'~')):
            # Skip '\', but only if it is escaping $ or ~
            res += path[index + 1]
            index += 1
        else:
            res += c

        index += 1