view mercurial/templates/raw/map @ 52178:bcd4962e0df9

rust-revlog: don't create an in-memory nodemap for filelogs from Python

Explanations inline.

Benchmarks from this change affect positively the only repo that showed this
being a problem:

```
### data-env-vars.name            = mozilla-try-2024-03-26-ds2-pnm
  # benchmark.name                = hg.command.cat
  # bin-env-vars.hg.flavor        = rust
  # bin-env-vars.hg.py-re2-module = default
  # benchmark.variants.files      = all-root
  # benchmark.variants.output     = plain
  # benchmark.variants.rev        = tip
default:           62.848869  ~~~~~
before-this-patch: 58.113051   (-7.54%, -4.74)
this-patch:        57.407533   (-8.66%, -5.44)
### data-env-vars.name            = mozilla-try-2024-03-26-ds2-pnm
  # benchmark.name                = hg.command.log
  # bin-env-vars.hg.flavor        = rust
  # bin-env-vars.hg.py-re2-module = default
  # benchmark.variants.limit-rev  = 10
  # benchmark.variants.patch      = yes
  # benchmark.variants.rev        = none
default:           3.173532  ~~~~~
before-this-patch: 3.543591  (+11.66%, +0.37)
this-patch:        3.297235   (+3.90%, +0.12)
```

default = 'shortlog'
shortlog = "'raw' is not a browsable style"
changelog = changelog.tmpl
changelogentry = logentry.tmpl
search = search.tmpl
mimetype = 'text/plain; charset={encoding}'
header = ''
footer = ''
changeset = changeset.tmpl
difflineplus = '{line}'
difflineminus = '{line}'
difflineat = '{line}'
diffline = '{line}'
changesetparent = '# Parent  {node}'
changesetchild = '# Child   {node}'
filenodelink = ''
filenolink = ''
fileline = '{line}'
diffblock = '{lines}'
filediff = filediff.tmpl
fileannotate = fileannotate.tmpl
annotateline = '{author|user}@{rev}: {line}'
manifest = manifest.tmpl
direntry = 'drwxr-xr-x {basename}\n'
fileentry = '{permissions|permissions} {size} {basename}\n'
index = index.tmpl
notfound = notfound.tmpl
error = error.tmpl
indexentry = '{url}\n'
tags = '{entries%tagentry}'
tagentry = '{tag}	{node}\n'
bookmarks = '{entries%bookmarkentry}'
bookmarkentry = '{bookmark}	{node}\n'
branches = '{entries%branchentry}'
branchentry = '{branch}	{node}	{status}\n'
graph = graph.tmpl
graphnode = graphnode.tmpl
graphedge = graphedge.tmpl
bookmarkname = 'bookmark:    {name}\n'
branchname = 'branch:      {name}\n'
tagname = 'tag:         {name}\n'