view mercurial/templates/json/changelist.tmpl @ 35973:4d66993bdcff

revlog: add a _datareadfp context manager for data access needs

The helper handles:
1) is there a file handle already open that we shall just reuse,
2) is the revlog inlined or not.

Using a context manager for all read access will help setting up file pointer
caching in later changesets.

\{
  "node": {node|json},
  "changeset_count": {changesets|json},
  "changesets": [{join(entries%changelistentry, ", ")}]
}