Mercurial > hg
view tests/test-bisect2.t @ 49000:dd6b67d5c256 stable
rust: fix unsound `OwningDirstateMap`
As per the previous patch, `OwningDirstateMap` is unsound. Self-referential
structs are difficult to implement correctly in Rust since the compiler is
free to move structs around as much as it wants to. They are also very rarely
needed in practice, so the state-of-the-art on how they should be done within
the Rust rules is still a bit new.
The crate `ouroboros` is an attempt at providing a safe way (in the Rust sense)
of declaring self-referential structs. It is getting a lot attention and was
improved very quickly when soundness issues were found in the past: rather than
relying on our own (limited) review circle, we might as well use the de-facto
common crate to fix this problem. This will give us a much better chance of
finding issues should any new ones be discovered as well as the benefit of
fewer `unsafe` APIs of our own.
I was starting to think about how I would present a safe API to the old struct
but soon realized that the callback-based approach was already done in
`ouroboros`, along with a lot more care towards refusing incorrect structs.
In short: we don't return a mutable reference to the `DirstateMap` anymore, we
expect users of its API to pass a `FnOnce` that takes the map as an argument.
This allows our `OwningDirstateMap` to control the input and output lifetimes
of the code that modifies it to prevent such issues.
Changing to `ouroboros` meant changing every API with it, but it is relatively
low churn in the end. It correctly identified the example buggy modification of
`copy_map_insert` outlined in the previous patch as violating the borrow rules.
Differential Revision: https://phab.mercurial-scm.org/D12429
author | Raphaël Gomès <rgomes@octobus.net> |
---|---|
date | Tue, 05 Apr 2022 10:55:28 +0200 |
parents | f51ff655d338 |
children | 816236523765 |
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# The tests in test-bisect are done on a linear history. Here the # following repository history is used for testing: # # 17 # | # 18 16 # \ / # 15 # / \ # / \ # 10 13 # / \ | # / \ | 14 # 7 6 9 12 / # \ / \ | |/ # 4 \ | 11 # \ \ | / # 3 5 | / # \ / |/ # 2 8 # \ / # 1 # | # 0 init $ hg init committing changes $ echo > a $ echo '0' >> a $ hg add a $ hg ci -m "0" -d "0 0" $ echo '1' >> a $ hg ci -m "1" -d "1 0" $ echo '2' >> a $ hg ci -m "2" -d "2 0" $ echo '3' >> a $ hg ci -m "3" -d "3 0" $ echo '4' >> a $ hg ci -m "4" -d "4 0" create branch $ hg up -r 2 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ echo '5' >> b $ hg add b $ hg ci -m "5" -d "5 0" created new head merge $ hg merge 1 files updated, 0 files merged, 0 files removed, 0 files unresolved (branch merge, don't forget to commit) $ hg ci -m "merge 4,5" -d "6 0" create branch $ hg up -r 4 0 files updated, 0 files merged, 1 files removed, 0 files unresolved $ echo '7' > c $ hg add c $ hg ci -m "7" -d "7 0" created new head create branch $ hg up -r 1 1 files updated, 0 files merged, 1 files removed, 0 files unresolved $ echo '8' > d $ hg add d $ hg ci -m "8" -d "8 0" created new head $ echo '9' >> d $ hg ci -m "9" -d "9 0" merge $ hg merge -r 6 2 files updated, 0 files merged, 0 files removed, 0 files unresolved (branch merge, don't forget to commit) $ hg ci -m "merge 6,9" -d "10 0" create branch $ hg up -r 8 2 files updated, 0 files merged, 1 files removed, 0 files unresolved $ echo '11' > e $ hg add e $ hg ci -m "11" -d "11 0" created new head $ echo '12' >> e $ hg ci -m "12" -d "12 0" $ echo '13' >> e $ hg ci -m "13" -d "13 0" create branch $ hg up -r 11 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ echo '14' > f $ hg add f $ hg ci -m "14" -d "14 0" created new head merge $ hg up -r 13 -C 1 files updated, 0 files merged, 1 files removed, 0 files unresolved $ hg merge -r 10 3 files updated, 0 files merged, 0 files removed, 0 files unresolved (branch merge, don't forget to commit) $ hg ci -m "merge 10,13" -d "15 0" $ echo '16' >> e $ hg ci -m "16" -d "16 0" $ echo '17' >> e $ hg ci -m "17" -d "17 0" create branch $ hg up -r 15 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ echo '18' >> e $ hg ci -m "18" -d "18 0" created new head log $ hg log changeset: 18:d42e18c7bc9b tag: tip parent: 15:857b178a7cf3 user: test date: Thu Jan 01 00:00:18 1970 +0000 summary: 18 changeset: 17:228c06deef46 user: test date: Thu Jan 01 00:00:17 1970 +0000 summary: 17 changeset: 16:609d82a7ebae user: test date: Thu Jan 01 00:00:16 1970 +0000 summary: 16 changeset: 15:857b178a7cf3 parent: 13:b0a32c86eb31 parent: 10:429fcd26f52d user: test date: Thu Jan 01 00:00:15 1970 +0000 summary: merge 10,13 changeset: 14:faa450606157 parent: 11:82ca6f06eccd user: test date: Thu Jan 01 00:00:14 1970 +0000 summary: 14 changeset: 13:b0a32c86eb31 user: test date: Thu Jan 01 00:00:13 1970 +0000 summary: 13 changeset: 12:9f259202bbe7 user: test date: Thu Jan 01 00:00:12 1970 +0000 summary: 12 changeset: 11:82ca6f06eccd parent: 8:dab8161ac8fc user: test date: Thu Jan 01 00:00:11 1970 +0000 summary: 11 changeset: 10:429fcd26f52d parent: 9:3c77083deb4a parent: 6:a214d5d3811a user: test date: Thu Jan 01 00:00:10 1970 +0000 summary: merge 6,9 changeset: 9:3c77083deb4a user: test date: Thu Jan 01 00:00:09 1970 +0000 summary: 9 changeset: 8:dab8161ac8fc parent: 1:4ca5088da217 user: test date: Thu Jan 01 00:00:08 1970 +0000 summary: 8 changeset: 7:50c76098bbf2 parent: 4:5c668c22234f user: test date: Thu Jan 01 00:00:07 1970 +0000 summary: 7 changeset: 6:a214d5d3811a parent: 5:385a529b6670 parent: 4:5c668c22234f user: test date: Thu Jan 01 00:00:06 1970 +0000 summary: merge 4,5 changeset: 5:385a529b6670 parent: 2:051e12f87bf1 user: test date: Thu Jan 01 00:00:05 1970 +0000 summary: 5 changeset: 4:5c668c22234f user: test date: Thu Jan 01 00:00:04 1970 +0000 summary: 4 changeset: 3:0950834f0a9c user: test date: Thu Jan 01 00:00:03 1970 +0000 summary: 3 changeset: 2:051e12f87bf1 user: test date: Thu Jan 01 00:00:02 1970 +0000 summary: 2 changeset: 1:4ca5088da217 user: test date: Thu Jan 01 00:00:01 1970 +0000 summary: 1 changeset: 0:33b1f9bc8bc5 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: 0 hg up -C $ hg up -C 0 files updated, 0 files merged, 0 files removed, 0 files unresolved updated to "d42e18c7bc9b: 18" 3 other heads for branch "default" complex bisect test 1 # first bad rev is 9 $ hg bisect -r $ hg bisect -g 0 $ hg bisect -b 17 # -> update to rev 6 Testing changeset 6:a214d5d3811a "merge 4,5" (15 changesets remaining, ~3 tests) 0 files updated, 0 files merged, 2 files removed, 0 files unresolved $ hg log -q -r 'bisect(pruned)' 0:33b1f9bc8bc5 17:228c06deef46 $ hg log -q -r 'bisect(untested)' 1:4ca5088da217 2:051e12f87bf1 3:0950834f0a9c 4:5c668c22234f 5:385a529b6670 6:a214d5d3811a 8:dab8161ac8fc 9:3c77083deb4a 10:429fcd26f52d 11:82ca6f06eccd 12:9f259202bbe7 13:b0a32c86eb31 15:857b178a7cf3 16:609d82a7ebae $ hg log -q -r 'bisect(ignored)' $ hg bisect -g # -> update to rev 13 Testing changeset 13:b0a32c86eb31 "13" (9 changesets remaining, ~3 tests) 3 files updated, 0 files merged, 1 files removed, 0 files unresolved $ hg bisect -s # -> update to rev 10 Testing changeset 10:429fcd26f52d "merge 6,9" (9 changesets remaining, ~3 tests) 3 files updated, 0 files merged, 1 files removed, 0 files unresolved $ hg bisect -b # -> update to rev 8 Testing changeset 8:dab8161ac8fc "8" (3 changesets remaining, ~1 tests) 2 files updated, 0 files merged, 1 files removed, 0 files unresolved $ hg bisect -g # -> update to rev 9 Testing changeset 9:3c77083deb4a "9" (2 changesets remaining, ~1 tests) 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg bisect -b The first bad revision is: changeset: 9:3c77083deb4a user: test date: Thu Jan 01 00:00:09 1970 +0000 summary: 9 $ hg log -q -r 'bisect(range)' 0:33b1f9bc8bc5 1:4ca5088da217 2:051e12f87bf1 3:0950834f0a9c 4:5c668c22234f 5:385a529b6670 6:a214d5d3811a 8:dab8161ac8fc 9:3c77083deb4a 10:429fcd26f52d 11:82ca6f06eccd 12:9f259202bbe7 13:b0a32c86eb31 15:857b178a7cf3 16:609d82a7ebae 17:228c06deef46 $ hg log -q -r 'bisect(pruned)' 0:33b1f9bc8bc5 1:4ca5088da217 2:051e12f87bf1 3:0950834f0a9c 4:5c668c22234f 5:385a529b6670 6:a214d5d3811a 8:dab8161ac8fc 9:3c77083deb4a 10:429fcd26f52d 13:b0a32c86eb31 15:857b178a7cf3 16:609d82a7ebae 17:228c06deef46 18:d42e18c7bc9b $ hg log -q -r 'bisect(untested)' 11:82ca6f06eccd 12:9f259202bbe7 $ hg log -q -r 'bisect(goods)' 0:33b1f9bc8bc5 1:4ca5088da217 2:051e12f87bf1 3:0950834f0a9c 4:5c668c22234f 5:385a529b6670 6:a214d5d3811a 8:dab8161ac8fc $ hg log -q -r 'bisect(bads)' 9:3c77083deb4a 10:429fcd26f52d 15:857b178a7cf3 16:609d82a7ebae 17:228c06deef46 18:d42e18c7bc9b complex bisect test 2 # first good rev is 13 $ hg bisect -r $ hg bisect -g 18 $ hg bisect -b 1 # -> update to rev 6 Testing changeset 6:a214d5d3811a "merge 4,5" (13 changesets remaining, ~3 tests) 2 files updated, 0 files merged, 1 files removed, 0 files unresolved $ hg bisect -s # -> update to rev 10 Testing changeset 10:429fcd26f52d "merge 6,9" (13 changesets remaining, ~3 tests) 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg log -q -r 'bisect(pruned)' 0:33b1f9bc8bc5 1:4ca5088da217 6:a214d5d3811a 18:d42e18c7bc9b $ hg bisect -b # -> update to rev 12 Testing changeset 12:9f259202bbe7 "12" (5 changesets remaining, ~2 tests) 3 files updated, 0 files merged, 1 files removed, 0 files unresolved $ hg log -q -r 'bisect(pruned)' 0:33b1f9bc8bc5 1:4ca5088da217 2:051e12f87bf1 3:0950834f0a9c 4:5c668c22234f 5:385a529b6670 6:a214d5d3811a 8:dab8161ac8fc 9:3c77083deb4a 10:429fcd26f52d 18:d42e18c7bc9b $ hg log -q -r 'bisect(untested)' 11:82ca6f06eccd 12:9f259202bbe7 13:b0a32c86eb31 15:857b178a7cf3 $ hg bisect -b # -> update to rev 13 Testing changeset 13:b0a32c86eb31 "13" (3 changesets remaining, ~1 tests) 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg bisect -g The first good revision is: changeset: 13:b0a32c86eb31 user: test date: Thu Jan 01 00:00:13 1970 +0000 summary: 13 $ hg log -q -r 'bisect(range)' 1:4ca5088da217 2:051e12f87bf1 3:0950834f0a9c 4:5c668c22234f 5:385a529b6670 6:a214d5d3811a 8:dab8161ac8fc 9:3c77083deb4a 10:429fcd26f52d 11:82ca6f06eccd 12:9f259202bbe7 13:b0a32c86eb31 15:857b178a7cf3 18:d42e18c7bc9b complex bisect test 3 first bad rev is 15 10,9,13 are skipped an might be the first bad revisions as well $ hg bisect -r $ hg bisect -g 1 $ hg bisect -b 16 # -> update to rev 6 Testing changeset 6:a214d5d3811a "merge 4,5" (13 changesets remaining, ~3 tests) 2 files updated, 0 files merged, 2 files removed, 0 files unresolved $ hg log -q -r 'bisect(pruned)' 0:33b1f9bc8bc5 1:4ca5088da217 16:609d82a7ebae 17:228c06deef46 $ hg bisect -g # -> update to rev 13 Testing changeset 13:b0a32c86eb31 "13" (8 changesets remaining, ~3 tests) 3 files updated, 0 files merged, 1 files removed, 0 files unresolved $ hg bisect -s # -> update to rev 10 Testing changeset 10:429fcd26f52d "merge 6,9" (8 changesets remaining, ~3 tests) 3 files updated, 0 files merged, 1 files removed, 0 files unresolved $ hg bisect -s # -> update to rev 12 Testing changeset 12:9f259202bbe7 "12" (8 changesets remaining, ~3 tests) 3 files updated, 0 files merged, 1 files removed, 0 files unresolved $ hg log -q -r 'bisect(pruned)' 0:33b1f9bc8bc5 1:4ca5088da217 2:051e12f87bf1 3:0950834f0a9c 4:5c668c22234f 5:385a529b6670 6:a214d5d3811a 10:429fcd26f52d 13:b0a32c86eb31 16:609d82a7ebae 17:228c06deef46 $ hg bisect -g # -> update to rev 9 Testing changeset 9:3c77083deb4a "9" (5 changesets remaining, ~2 tests) 1 files updated, 0 files merged, 1 files removed, 0 files unresolved $ hg bisect -s # -> update to rev 15 Testing changeset 15:857b178a7cf3 "merge 10,13" (5 changesets remaining, ~2 tests) 3 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg log -q -r 'bisect(ignored)' $ hg bisect -b Due to skipped revisions, the first bad revision could be any of: changeset: 9:3c77083deb4a user: test date: Thu Jan 01 00:00:09 1970 +0000 summary: 9 changeset: 10:429fcd26f52d parent: 9:3c77083deb4a parent: 6:a214d5d3811a user: test date: Thu Jan 01 00:00:10 1970 +0000 summary: merge 6,9 changeset: 13:b0a32c86eb31 user: test date: Thu Jan 01 00:00:13 1970 +0000 summary: 13 changeset: 15:857b178a7cf3 parent: 13:b0a32c86eb31 parent: 10:429fcd26f52d user: test date: Thu Jan 01 00:00:15 1970 +0000 summary: merge 10,13 $ hg log -q -r 'bisect(range)' 1:4ca5088da217 2:051e12f87bf1 3:0950834f0a9c 4:5c668c22234f 5:385a529b6670 6:a214d5d3811a 8:dab8161ac8fc 9:3c77083deb4a 10:429fcd26f52d 11:82ca6f06eccd 12:9f259202bbe7 13:b0a32c86eb31 15:857b178a7cf3 16:609d82a7ebae $ hg log -q -r 'bisect(ignored)' complex bisect test 4 first good revision is 17 15,16 are skipped an might be the first good revisions as well $ hg bisect -r $ hg bisect -g 17 $ hg bisect -b 8 # -> update to rev 10 Testing changeset 13:b0a32c86eb31 "13" (8 changesets remaining, ~3 tests) 2 files updated, 0 files merged, 1 files removed, 0 files unresolved $ hg bisect -b # -> update to rev 13 Testing changeset 10:429fcd26f52d "merge 6,9" (5 changesets remaining, ~2 tests) 3 files updated, 0 files merged, 1 files removed, 0 files unresolved $ hg bisect -b # -> update to rev 15 Testing changeset 15:857b178a7cf3 "merge 10,13" (3 changesets remaining, ~1 tests) 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg log -q -r 'bisect(pruned)' 0:33b1f9bc8bc5 1:4ca5088da217 2:051e12f87bf1 3:0950834f0a9c 4:5c668c22234f 5:385a529b6670 6:a214d5d3811a 8:dab8161ac8fc 9:3c77083deb4a 10:429fcd26f52d 11:82ca6f06eccd 12:9f259202bbe7 13:b0a32c86eb31 17:228c06deef46 $ hg bisect -s # -> update to rev 16 Testing changeset 16:609d82a7ebae "16" (3 changesets remaining, ~1 tests) 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg log -q -r 'bisect(pruned)' 0:33b1f9bc8bc5 1:4ca5088da217 2:051e12f87bf1 3:0950834f0a9c 4:5c668c22234f 5:385a529b6670 6:a214d5d3811a 8:dab8161ac8fc 9:3c77083deb4a 10:429fcd26f52d 11:82ca6f06eccd 12:9f259202bbe7 13:b0a32c86eb31 15:857b178a7cf3 17:228c06deef46 $ hg bisect -s Due to skipped revisions, the first good revision could be any of: changeset: 15:857b178a7cf3 parent: 13:b0a32c86eb31 parent: 10:429fcd26f52d user: test date: Thu Jan 01 00:00:15 1970 +0000 summary: merge 10,13 changeset: 16:609d82a7ebae user: test date: Thu Jan 01 00:00:16 1970 +0000 summary: 16 changeset: 17:228c06deef46 user: test date: Thu Jan 01 00:00:17 1970 +0000 summary: 17 $ hg log -q -r 'bisect(range)' 8:dab8161ac8fc 9:3c77083deb4a 10:429fcd26f52d 11:82ca6f06eccd 12:9f259202bbe7 13:b0a32c86eb31 15:857b178a7cf3 16:609d82a7ebae 17:228c06deef46 $ hg log -q -r 'bisect(pruned)' 0:33b1f9bc8bc5 1:4ca5088da217 2:051e12f87bf1 3:0950834f0a9c 4:5c668c22234f 5:385a529b6670 6:a214d5d3811a 8:dab8161ac8fc 9:3c77083deb4a 10:429fcd26f52d 11:82ca6f06eccd 12:9f259202bbe7 13:b0a32c86eb31 15:857b178a7cf3 16:609d82a7ebae 17:228c06deef46 test unrelated revs: $ hg bisect --reset $ hg bisect -b 7 $ hg bisect -g 14 abort: starting revisions are not directly related [255] $ hg log -q -r 'bisect(range)' $ hg log -q -r 'bisect(pruned)' 0:33b1f9bc8bc5 1:4ca5088da217 2:051e12f87bf1 3:0950834f0a9c 4:5c668c22234f 7:50c76098bbf2 14:faa450606157 $ hg bisect --reset end at merge: 17 bad, 11 good (but 9 is first bad) $ hg bisect -r $ hg bisect -b 17 $ hg bisect -g 11 Testing changeset 13:b0a32c86eb31 "13" (5 changesets remaining, ~2 tests) 3 files updated, 0 files merged, 1 files removed, 0 files unresolved $ hg log -q -r 'bisect(ignored)' 2:051e12f87bf1 3:0950834f0a9c 4:5c668c22234f 5:385a529b6670 6:a214d5d3811a 9:3c77083deb4a 10:429fcd26f52d $ hg bisect -g Testing changeset 15:857b178a7cf3 "merge 10,13" (3 changesets remaining, ~1 tests) 3 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg bisect -b The first bad revision is: changeset: 15:857b178a7cf3 parent: 13:b0a32c86eb31 parent: 10:429fcd26f52d user: test date: Thu Jan 01 00:00:15 1970 +0000 summary: merge 10,13 Not all ancestors of this changeset have been checked. Use bisect --extend to continue the bisection from the common ancestor, dab8161ac8fc. $ hg log -q -r 'bisect(range)' 11:82ca6f06eccd 12:9f259202bbe7 13:b0a32c86eb31 15:857b178a7cf3 16:609d82a7ebae 17:228c06deef46 $ hg log -q -r 'bisect(pruned)' 0:33b1f9bc8bc5 1:4ca5088da217 8:dab8161ac8fc 11:82ca6f06eccd 12:9f259202bbe7 13:b0a32c86eb31 15:857b178a7cf3 16:609d82a7ebae 17:228c06deef46 18:d42e18c7bc9b $ hg log -q -r 'bisect(untested)' $ hg log -q -r 'bisect(ignored)' 2:051e12f87bf1 3:0950834f0a9c 4:5c668c22234f 5:385a529b6670 6:a214d5d3811a 9:3c77083deb4a 10:429fcd26f52d $ hg bisect --extend Extending search to changeset 8:dab8161ac8fc "8" 2 files updated, 0 files merged, 2 files removed, 0 files unresolved $ hg log -q -r 'bisect(untested)' $ hg log -q -r 'bisect(ignored)' 2:051e12f87bf1 3:0950834f0a9c 4:5c668c22234f 5:385a529b6670 6:a214d5d3811a 9:3c77083deb4a 10:429fcd26f52d $ hg bisect -g # dab8161ac8fc Testing changeset 9:3c77083deb4a "9" (3 changesets remaining, ~1 tests) 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg log -q -r 'bisect(untested)' 9:3c77083deb4a 10:429fcd26f52d $ hg log -q -r 'bisect(ignored)' 2:051e12f87bf1 3:0950834f0a9c 4:5c668c22234f 5:385a529b6670 6:a214d5d3811a $ hg log -q -r 'bisect(goods)' 0:33b1f9bc8bc5 1:4ca5088da217 8:dab8161ac8fc 11:82ca6f06eccd 12:9f259202bbe7 13:b0a32c86eb31 $ hg log -q -r 'bisect(bads)' 15:857b178a7cf3 16:609d82a7ebae 17:228c06deef46 18:d42e18c7bc9b $ hg bisect -b The first bad revision is: changeset: 9:3c77083deb4a user: test date: Thu Jan 01 00:00:09 1970 +0000 summary: 9 $ hg log -q -r 'bisect(range)' 8:dab8161ac8fc 9:3c77083deb4a 10:429fcd26f52d 11:82ca6f06eccd 12:9f259202bbe7 13:b0a32c86eb31 15:857b178a7cf3 16:609d82a7ebae 17:228c06deef46 $ hg log -q -r 'bisect(pruned)' 0:33b1f9bc8bc5 1:4ca5088da217 8:dab8161ac8fc 9:3c77083deb4a 10:429fcd26f52d 11:82ca6f06eccd 12:9f259202bbe7 13:b0a32c86eb31 15:857b178a7cf3 16:609d82a7ebae 17:228c06deef46 18:d42e18c7bc9b $ hg log -q -r 'bisect(untested)' $ hg log -q -r 'bisect(ignored)' 2:051e12f87bf1 3:0950834f0a9c 4:5c668c22234f 5:385a529b6670 6:a214d5d3811a $ hg log -q -r 'bisect(goods)' 0:33b1f9bc8bc5 1:4ca5088da217 8:dab8161ac8fc 11:82ca6f06eccd 12:9f259202bbe7 13:b0a32c86eb31 $ hg log -q -r 'bisect(bads)' 9:3c77083deb4a 10:429fcd26f52d 15:857b178a7cf3 16:609d82a7ebae 17:228c06deef46 18:d42e18c7bc9b user adds irrelevant but consistent information (here: -g 2) to bisect state $ hg bisect -r $ hg bisect -b 13 $ hg bisect -g 8 Testing changeset 11:82ca6f06eccd "11" (3 changesets remaining, ~1 tests) 2 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg log -q -r 'bisect(untested)' 11:82ca6f06eccd 12:9f259202bbe7 $ hg bisect -g 2 Testing changeset 11:82ca6f06eccd "11" (3 changesets remaining, ~1 tests) 0 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg log -q -r 'bisect(untested)' 11:82ca6f06eccd 12:9f259202bbe7 $ hg bisect -b The first bad revision is: changeset: 11:82ca6f06eccd parent: 8:dab8161ac8fc user: test date: Thu Jan 01 00:00:11 1970 +0000 summary: 11 $ hg log -q -r 'bisect(range)' 8:dab8161ac8fc 11:82ca6f06eccd 12:9f259202bbe7 13:b0a32c86eb31 $ hg log -q -r 'bisect(pruned)' 0:33b1f9bc8bc5 1:4ca5088da217 2:051e12f87bf1 8:dab8161ac8fc 11:82ca6f06eccd 12:9f259202bbe7 13:b0a32c86eb31 14:faa450606157 15:857b178a7cf3 16:609d82a7ebae 17:228c06deef46 18:d42e18c7bc9b $ hg log -q -r 'bisect(untested)'