dirstate-v2: Introduce a docket file
.hg/dirstate now only contains some metadata to point to a separate data file
named .hg/dirstate.{}.d with a random hexadecimal identifier. For now every
update creates a new data file and removes the old one, but later we’ll
(usually) append to an existing file.
Separating into two files allows doing the "write to a temporary file then
atomically rename into destination" dance with only a small docket file,
without always rewriting a lot of data.
Differential Revision: https://phab.mercurial-scm.org/D11088
#require bzr
$ . "$TESTDIR/bzr-definitions"
The file/directory replacement can only be reproduced on
bzr >= 1.4. Merge it back in test-convert-bzr-directories once
this version becomes mainstream.
replace file with dir
$ mkdir test-replace-file-with-dir
$ cd test-replace-file-with-dir
$ brz init -q source
$ cd source
$ echo d > d
$ brz add -q d
$ brz commit -q -m 'add d file'
$ rm d
$ mkdir d
$ brz add -q d
$ brz commit -q -m 'replace with d dir'
$ echo a > d/a
$ brz add -q d/a
$ brz commit -q -m 'add d/a'
$ cd ..
$ hg convert source source-hg
initializing destination source-hg repository
scanning source...
sorting...
converting...
2 add d file
1 replace with d dir
0 add d/a
$ manifest source-hg tip
% manifest of tip
644 d/a
$ cd source-hg
$ hg update
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd ../..