Mercurial > public > mercurial-scm > hg
comparison mercurial/revlogutils/nodemap.py @ 51172:1486d8c63f64 stable
persistent-nodemap: avoid writing nodemap for empty revlog
The format cannot encode the lack of tip_rev.
There is currently nothing known to write such empty nodemap right now, but the
change we are preparing on default reveal this issue. So I had rather fix it on
stable.
| author | Pierre-Yves David <pierre-yves.david@octobus.net> |
|---|---|
| date | Thu, 07 Dec 2023 03:49:48 +0100 |
| parents | d718eddf01d9 |
| children | 85d96517e650 |
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| 51171:e306d552dfb1 | 51172:1486d8c63f64 |
|---|---|
| 161 repo.svfs.tryunlink(f) | 161 repo.svfs.tryunlink(f) |
| 162 | 162 |
| 163 | 163 |
| 164 def persist_nodemap(tr, revlog, pending=False, force=False): | 164 def persist_nodemap(tr, revlog, pending=False, force=False): |
| 165 """Write nodemap data on disk for a given revlog""" | 165 """Write nodemap data on disk for a given revlog""" |
| 166 if len(revlog.index) <= 0: | |
| 167 return | |
| 166 if getattr(revlog, 'filteredrevs', ()): | 168 if getattr(revlog, 'filteredrevs', ()): |
| 167 raise error.ProgrammingError( | 169 raise error.ProgrammingError( |
| 168 "cannot persist nodemap of a filtered changelog" | 170 "cannot persist nodemap of a filtered changelog" |
| 169 ) | 171 ) |
| 170 if revlog._nodemap_file is None: | 172 if revlog._nodemap_file is None: |