dirstate-v2: fix infinite loop in pure packer
Due to the naive approach to path relative-ness, some tree shapes
like the one introduced in the associated test could result in the
packer going into an endless loop which allocated new `Node` objects
endlessly until the process was killed by Linux's OOM killer.
Differential Revision: https://phab.mercurial-scm.org/D12170
#require svn svn-bindings
$ cat >> $HGRCPATH <<EOF
> [extensions]
> convert =
> EOF
$ svnadmin create svn-repo
$ svnadmin load -q svn-repo < "$TESTDIR/svn/tags.svndump"
Convert
$ hg convert --datesort svn-repo A-hg
initializing destination A-hg repository
scanning source...
sorting...
converting...
5 init projA
4 adda
3 changea
2 changea2
1 changea3
0 changea
updating tags
$ cd A-hg
$ hg log -G --template '{rev} {desc|firstline} tags: {tags}\n'
o 6 update tags tags: tip
|
o 5 changea tags: trunk.goodtag
|
o 4 changea3 tags:
|
o 3 changea2 tags: trunk.v1
|
o 2 changea tags:
|
o 1 adda tags:
|
o 0 init projA tags:
$ hg tags -q
tip
trunk.goodtag
trunk.v1
$ cd ..
Convert without tags
$ hg convert --datesort --config convert.svn.tags= svn-repo A-notags-hg
initializing destination A-notags-hg repository
scanning source...
sorting...
converting...
5 init projA
4 adda
3 changea
2 changea2
1 changea3
0 changea
$ hg -R A-notags-hg tags -q
tip