tags: show how hg behaves if a tags cache entry is truncated
I'm seeing an error of this form in production on the order of once a
month. I'm not sure how it happens, but I suspect interrupting a pull
might result in half written cache entries.
Differential Revision: https://phab.mercurial-scm.org/D8094
#testcases lfs-on lfs-off
#if lfs-on
$ cat >> $HGRCPATH <<EOF
> [extensions]
> lfs =
> EOF
#endif
$ . "$TESTDIR/narrow-library.sh"
create full repo
$ hg init master
$ cd master
$ cat >> .hg/hgrc <<EOF
> [narrow]
> serveellipses=True
> EOF
$ mkdir inside
$ echo 1 > inside/f
$ mkdir inside2
$ echo 1 > inside2/f
$ mkdir outside
$ echo 1 > outside/f
$ hg ci -Aqm 'initial'
$ echo 2 > inside/f
$ hg ci -qm 'inside 2'
$ echo 2 > inside2/f
$ hg ci -qm 'inside2 2'
$ echo 2 > outside/f
$ hg ci -qm 'outside 2'
$ cd ..
$ hg clone --narrow ssh://user@dummy/master narrow --include inside
requesting all changes
adding changesets
adding manifests
adding file changes
added 3 changesets with 2 changes to 1 files
new changesets *:* (glob)
updating to branch default
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg clone --narrow ssh://user@dummy/master narrow2 --include inside --include inside2
requesting all changes
adding changesets
adding manifests
adding file changes
added 4 changesets with 4 changes to 2 files
new changesets *:* (glob)
updating to branch default
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
Can push to wider repo if change does not affect paths in wider repo that are
not also in narrower repo
$ cd narrow
$ echo 3 > inside/f
$ hg ci -m 'inside 3'
$ hg push ssh://user@dummy/narrow2
pushing to ssh://user@dummy/narrow2
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: added 1 changesets with 1 changes to 1 files
Can push to narrower repo if change affects only paths within remote's
narrow spec
$ cd ../narrow2
$ cat >> .hg/hgrc <<EOF
> [narrow]
> serveellipses=True
> EOF
$ hg co -r 'desc("inside 3")'
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo 4 > inside/f
$ hg ci -m 'inside 4'
$ hg push ssh://user@dummy/narrow
pushing to ssh://user@dummy/narrow
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: added 1 changesets with 1 changes to 1 files
Can push to narrow repo if change affects only paths outside remote's
narrow spec
$ echo 3 > inside2/f
$ hg ci -m 'inside2 3'
TODO: this should be successful
$ hg push ssh://user@dummy/narrow
pushing to ssh://user@dummy/narrow
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: transaction abort!
remote: rollback completed
remote: abort: data/inside2/f.i@4a1aa07735e6: unknown parent! (reporevlogstore !)
remote: abort: data/inside2/f/index@4a1aa07735e6: no node! (reposimplestore !)
abort: stream ended unexpectedly (got 0 bytes, expected 4)
[255]
Can pull from wider repo if change affects only paths outside remote's
narrow spec
$ echo 4 > inside2/f
$ hg ci -m 'inside2 4'
$ hg log -G -T '{rev} {node|short} {files}\n'
@ 7 d78a96df731d inside2/f
|
o 6 8c26f5218962 inside2/f
|
o 5 ba3480e2f9de inside/f
|
o 4 4e5edd526618 inside/f
|
o 3 81e7e07b7ab0 outside/f
|
o 2 f3993b8c0c2b inside2/f
|
o 1 8cd66ca966b4 inside/f
|
o 0 c8057d6f53ab inside/f inside2/f outside/f
$ cd ../narrow
$ hg log -G -T '{rev} {node|short} {files}\n'
o 4 ba3480e2f9de inside/f
|
@ 3 4e5edd526618 inside/f
|
o 2 81e7e07b7ab0 outside/f
|
o 1 8cd66ca966b4 inside/f
|
o 0 c8057d6f53ab inside/f inside2/f outside/f
$ hg pull ssh://user@dummy/narrow2
pulling from ssh://user@dummy/narrow2
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 0 changes to 0 files
new changesets d78a96df731d
(run 'hg update' to get a working copy)
Check that the resulting history is valid in the full repo
$ cd ../narrow2
$ hg push ssh://user@dummy/master
pushing to ssh://user@dummy/master
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: added 4 changesets with 4 changes to 2 files
$ cd ../master
$ hg verify
checking changesets
checking manifests
crosschecking files in changesets and manifests
checking files
checked 8 changesets with 10 changes to 3 files
Can not push to wider repo if change affects paths in wider repo that are
not also in narrower repo
$ cd ../master
$ hg co -r 'desc("inside2 4")'
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo 5 > inside2/f
$ hg ci -m 'inside2 5'
$ hg log -G -T '{rev} {node|short} {files}\n'
@ 8 5970befb64ba inside2/f
|
o 7 d78a96df731d inside2/f
|
o 6 8c26f5218962 inside2/f
|
o 5 ba3480e2f9de inside/f
|
o 4 4e5edd526618 inside/f
|
o 3 81e7e07b7ab0 outside/f
|
o 2 f3993b8c0c2b inside2/f
|
o 1 8cd66ca966b4 inside/f
|
o 0 c8057d6f53ab inside/f inside2/f outside/f
$ cd ../narrow
$ hg pull
pulling from ssh://user@dummy/master
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 0 changes to 0 files
new changesets * (glob)
(run 'hg update' to get a working copy)
TODO: this should tell the user that their narrow clone does not have the
necessary content to be able to push to the target
TODO: lfs shouldn't abort like this
$ hg push ssh://user@dummy/narrow2 || true
pushing to ssh://user@dummy/narrow2
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: added 1 changesets with 0 changes to 0 files (no-lfs-on !)
remote: error: pretxnchangegroup.lfs hook raised an exception: data/inside2/f.i@f59b4e021835: no match found (lfs-on !)
remote: transaction abort! (lfs-on !)
remote: rollback completed (lfs-on !)
remote: abort: data/inside2/f.i@f59b4e021835: no match found! (lfs-on !)
abort: stream ended unexpectedly (got 0 bytes, expected 4) (lfs-on !)