view mercurial/templates/map-cmdline.compact @ 51234:59183a19954e

rust-index: use interior mutability in head revs and caches

For upcoming changes in `hg-cpython` switching to the `hg-core` index in
ancestors iterators, we will need to avoid excessive mutability, restricting
the use of mutable references on `hg::index::Index` to methods that actually
logically mutate it, whereas the maintenance of caches such as `head_revs`
clearly does not. We illustrate that immediately by switching to immutable
borrows in the corresponding methods of `hg-cpython::MixedIndex`

[templates]
ldate = '{label("log.date",
                "{date|isodate}")}'

ldesc = '{label('ui.note log.description',
                      '{desc|strip}')}'
ldescfirst = '{label('ui.note log.description',
                     '{desc|firstline|strip}')}'

changeset = '{lrev}{tags}{bookmarks}{parents}   {lnode}   {ldate}   {luser}\n  {ldescfirst}\n\n'
changeset_quiet = '{lrev}:{lnode}\n'
changeset_verbose = '{lrev}{tags}{parents}   {lnode}   {ldate}   {lauthor}\n  {ldesc}\n\n'
lrev = '{label("log.changeset changeset.{phase}",
              "{rev}")}'
lnode = '{label("log.node",
                "{node|short}")}'
lauthor = '{label("log.user",
                  "{author}")}'
luser = '{label("log.user",
                "{author|user}")}'
start_tags = '['
tag = '{label("log.tag",
              "{tag},")}'
last_tag = '{tag}]'
start_parents = ':'
parent = '{lrev},'
last_parent = '{lrev}'
start_bookmarks = '['
bookmark = '{label("log.bookmark",
                   "{bookmark},")}'
last_bookmark = '{bookmark}]'