mercurial/templates/map-cmdline.status

shortest: extract function for checking if a prefix is a revnum

Much of isvalid() was about testing if a prefix is a valid revnum. I
want to reuse that soon, so let's move it out.

There is no significant slowdown from the function call overhead.

Differential Revision: https://phab.mercurial-scm.org/D3460

%include map-cmdline.default

[templates]
# Override base templates
changeset = '{cset}{branches}{bookmarks}{tags}{parents}{user}{ldate}{summary}{lfiles}\n'
changeset_verbose = '{cset}{branches}{bookmarks}{tags}{parents}{user}{ldate}{description}{lfiles}\n'
changeset_debug = '{fullcset}{branches}{bookmarks}{tags}{lphase}{parents}{manifest}{user}{ldate}{extras}{description}{lfiles}\n'

# Override the file templates
lfiles = '{if(files,
              label('ui.note log.files',
                    'files:\n'))}{lfile_mods}{lfile_adds}{lfile_dels}'

lfile_adds = '{file_adds % "{lfile_add}{lfile_src}"}'
lfile_mods = '{file_mods % "{lfile_mod}{lfile_src}"}'
lfile_add = '{label("status.added", "A {file}\n")}'
lfile_mod = '{label("status.modified", "M {file}\n")}'
lfile_src = '{ifcontains(file, file_copies_switch,
              label("status.copied", "  {get(file_copies_switch, file)}\n"))}'

lfile_dels = '{file_dels % "{label('status.removed', 'R {file}\n')}"}'