comparison tests/test-graft.t @ 23835:aa4a1672583e

bundles: do not overwrite existing backup bundles (BC)

Previously, a backup bundle could overwrite an existing bundle and cause user
data loss. For instance, if you have A<-B<-C and strip B, it produces backup
bundle B-backup.hg. If you then hg pull -r B B-backup.hg and strip it again, it
overwrites the existing B-backup.hg and C is lost.

The fix is to add a hash of all the nodes inside that bundle to the filename.
Fixed up existing tests and added a new test in test-strip.t

23834:bf07c19b4c82

but do some destructive editing of the repo:

  $ hg up -qC 7
  $ hg tag -l -r 13 tmp
  $ hg --config extensions.strip= strip 2
  saved backup bundle to $TESTTMP/a/.hg/strip-backup/5c095ad7e90f-backup.hg (glob)
  $ hg graft tmp
  skipping already grafted revision 8:9db0f28fd374 (2:ef0ef43d49e7 also has unknown origin 5c095ad7e90f)
  [255]

Empty graft

23835:aa4a1672583e

but do some destructive editing of the repo:

  $ hg up -qC 7
  $ hg tag -l -r 13 tmp
  $ hg --config extensions.strip= strip 2
  saved backup bundle to $TESTTMP/a/.hg/strip-backup/5c095ad7e90f-d323a1e4-backup.hg (glob)
  $ hg graft tmp
  skipping already grafted revision 8:9db0f28fd374 (2:ef0ef43d49e7 also has unknown origin 5c095ad7e90f)
  [255]

Empty graft