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dispatch: protect against malicious 'hg serve --stdio' invocations (sec)...
dispatch: protect against malicious 'hg serve --stdio' invocations (sec) Some shared-ssh installations assume that 'hg serve --stdio' is a safe command to run for minimally trusted users. Unfortunately, the messy implementation of argument parsing here meant that trying to access a repo named '--debugger' would give the user a pdb prompt, thereby sidestepping any hoped-for sandboxing. Serving repositories over HTTP(S) is unaffected. We're not currently hardening any subcommands other than 'serve'. If your service exposes other commands to users with arbitrary repository names, it is imperative that you defend against repository names of '--debugger' and anything starting with '--config'. The read-only mode of hg-ssh stopped working because it provided its hook configuration to "hg serve --stdio" via --config parameter. This is banned for security reasons now. This patch switches it to directly call ui.setconfig(). If your custom hosting infrastructure relies on passing --config to "hg serve --stdio", you'll need to find a different way to get that configuration into Mercurial, either by using ui.setconfig() as hg-ssh does in this patch, or by placing an hgrc file someplace where Mercurial will read it. mitrandir@fb.com provided some extra fixes for the dispatch code and for hg-ssh in places that I overlooked.
Pierre-Yves David - - Load All Authors

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r28139:5476a7a0 default
r32050:77eaf953 4.1.3 stable
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test-merge-default.t
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Adrian Buehlmann
tests: unify test-merge-default
 r12255 $ hg init
$ echo a > a
$ hg commit -A -ma
adding a
$ echo b >> a
$ hg commit -mb
$ echo c >> a
$ hg commit -mc
$ hg up 1
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo d >> a
$ hg commit -md
created new head
$ hg up 1
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo e >> a
$ hg commit -me
created new head
$ hg up 1
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
Should fail because not at a head:
$ hg merge
Pierre-Yves David
merge: give priority to "not at head" failures for bare 'hg merge'...
 r28103 abort: working directory not at a head revision
(use 'hg update' or merge with an explicit revision)
Matt Mackall
tests: add exit codes to unified tests
 r12316 [255]
Adrian Buehlmann
tests: unify test-merge-default
 r12255
$ hg up
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
Pierre-Yves David
update: warn about other topological heads on bare update...
 r28029 2 other heads for branch "default"
Adrian Buehlmann
tests: unify test-merge-default
 r12255
Should fail because > 2 heads:
$ HGMERGE=internal:other; export HGMERGE
$ hg merge
abort: branch 'default' has 3 heads - please merge with an explicit rev
(run 'hg heads .' to see heads)
Matt Mackall
tests: add exit codes to unified tests
 r12316 [255]
Adrian Buehlmann
tests: unify test-merge-default
 r12255
Should succeed:
$ hg merge 2
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg commit -mm1
Should succeed - 2 heads:
$ hg merge -P
changeset: 3:ea9ff125ff88
parent: 1:1846eede8b68
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: d
$ hg merge
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg commit -mm2
Should fail because at tip:
$ hg merge
Kevin Bullock
merge: make 'nothing to merge' aborts consistent...
 r15619 abort: nothing to merge
Matt Mackall
tests: add exit codes to unified tests
 r12316 [255]
Adrian Buehlmann
tests: unify test-merge-default
 r12255
$ hg up 0
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
Should fail because there is only one head:
$ hg merge
Kevin Bullock
merge: make 'nothing to merge' aborts consistent...
 r15619 abort: nothing to merge
(use 'hg update' instead)
Matt Mackall
tests: add exit codes to unified tests
 r12316 [255]
Adrian Buehlmann
tests: unify test-merge-default
 r12255
$ hg up 3
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo f >> a
$ hg branch foobranch
marked working directory as branch foobranch
Matt Mackall
branch: warn on branching
 r15615 (branches are permanent and global, did you want a bookmark?)
Adrian Buehlmann
tests: unify test-merge-default
 r12255 $ hg commit -mf
Should fail because merge with other branch:
$ hg merge
abort: branch 'foobranch' has one head - please merge with an explicit rev
(run 'hg heads' to see all heads)
Matt Mackall
tests: add exit codes to unified tests
 r12316 [255]
Adrian Buehlmann
tests: unify test-merge-default
 r12255
Test for issue2043: ensure that 'merge -P' shows ancestors of 6 that
Mads Kiilerich
comments: describe ancestor consistently - avoid 'least common ancestor'...
 r22389 are not ancestors of 7, regardless of where their common ancestors are.
Adrian Buehlmann
tests: unify test-merge-default
 r12255
Merge preview not affected by common ancestor:
$ hg up -q 7
$ hg merge -q -P 6
2:2d95304fed5d
4:f25cbe84d8b3
5:a431fabd6039
6:e88e33f3bf62
Pierre-Yves David
revset: rename and test '_destmerge'...
 r26716 Test experimental destination revset
$ hg log -r '_destmerge()'
abort: branch 'foobranch' has one head - please merge with an explicit rev
(run 'hg heads' to see all heads)
[255]
Pierre-Yves David
destutil: allow to specify an explicit source for the merge...
 r28139 (on a branch with a two heads)
$ hg up 5
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo f >> a
$ hg commit -mf
created new head
$ hg log -r '_destmerge()'
changeset: 6:e88e33f3bf62
parent: 5:a431fabd6039
parent: 3:ea9ff125ff88
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: m2
(from the other head)
$ hg log -r '_destmerge(e88e33f3bf62)'
changeset: 8:b613918999e2
tag: tip
parent: 5:a431fabd6039
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: f
(from unrelated branch)
$ hg log -r '_destmerge(foobranch)'
abort: branch 'foobranch' has one head - please merge with an explicit rev
(run 'hg heads' to see all heads)
[255]