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lfs: add the 'lfs' requirement in the changegroup transaction introducing lfs...
lfs: add the 'lfs' requirement in the changegroup transaction introducing lfs A hook like this is how largefiles manages to do the same. Largefiles uses a changegroup hook, but this uses pretxnchangegroup because that actually causes the transaction to rollback in the unlikely event that writing the requirements out fails. Sadly, the requires file itself isn't rolled back if a subsequent hook fails, but that seems trivial. Now that commit, changegroup and convert are covered, I don't think there's any way to get an lfs repo without the requirement. The grep exit code is blotted out of some test-lfs-serve.t tests now showing the requirement, because run-tests.py doesn't support conditionalizing the exit code.

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test-sparse-merges.t
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/ tests / test-sparse-merges.t
test merging things outside of the sparse checkout
$ hg init myrepo
$ cd myrepo
$ cat > .hg/hgrc <<EOF
> [extensions]
> sparse=
> EOF
$ echo foo > foo
$ echo bar > bar
$ hg add foo bar
$ hg commit -m initial
$ hg branch feature
marked working directory as branch feature
(branches are permanent and global, did you want a bookmark?)
$ echo bar2 >> bar
$ hg commit -m 'feature - bar2'
$ hg update -q default
$ hg debugsparse --exclude 'bar**'
$ hg merge feature
temporarily included 1 file(s) in the sparse checkout for merging
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
Verify bar was merged temporarily
$ ls
bar
foo
$ hg status
M bar
Verify bar disappears automatically when the working copy becomes clean
$ hg commit -m "merged"
cleaned up 1 temporarily added file(s) from the sparse checkout
$ hg status
$ ls
foo
$ hg cat -r . bar
bar
bar2
Test merging things outside of the sparse checkout that are not in the working
copy
$ hg strip -q -r . --config extensions.strip=
$ hg up -q feature
$ touch branchonly
$ hg ci -Aqm 'add branchonly'
$ hg up -q default
$ hg debugsparse -X branchonly
$ hg merge feature
temporarily included 2 file(s) in the sparse checkout for merging
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)