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view tests/test-annotate.t @ 32697:19b9fc40cc51
revlog: skeleton support for version 2 revlogs
There are a number of improvements we want to make to revlogs
that will require a new version - version 2. It is unclear what the
full set of improvements will be or when we'll be done with them.
What I do know is that the process will likely take longer than a
single release, will require input from various stakeholders to
evaluate changes, and will have many contentious debates and
bikeshedding.
It is unrealistic to develop revlog version 2 up front: there
are just too many uncertainties that we won't know until things
are implemented and experiments are run. Some changes will also
be invasive and prone to bit rot, so sitting on dozens of patches
is not practical.
This commit introduces skeleton support for version 2 revlogs in
a way that is flexible and not bound by backwards compatibility
concerns.
An experimental repo requirement for denoting revlog v2 has been
added. The requirement string has a sub-version component to it.
This will allow us to declare multiple requirements in the course
of developing revlog v2. Whenever we change the in-development
revlog v2 format, we can tweak the string, creating a new
requirement and locking out old clients. This will allow us to
make as many backwards incompatible changes and experiments to
revlog v2 as we want. In other words, we can land code and make
meaningful progress towards revlog v2 while still maintaining
extreme format flexibility up until the point we freeze the
format and remove the experimental labels.
To enable the new repo requirement, you must supply an experimental
and undocumented config option. But not just any boolean flag
will do: you need to explicitly use a value that no sane person
should ever type. This is an additional guard against enabling
revlog v2 on an installation it shouldn't be enabled on. The
specific scenario I'm trying to prevent is say a user with a
4.4 client with a frozen format enabling the option but then
downgrading to 4.3 and accidentally creating repos with an
outdated and unsupported repo format. Requiring a "challenge"
string should prevent this.
Because the format is not yet finalized and I don't want to take
any chances, revlog v2's version is currently 0xDEAD. I figure
squatting on a value we're likely never to use as an actual revlog
version to mean "internal testing only" is acceptable. And
"dead" is easily recognized as something meaningful.
There is a bunch of cleanup that is needed before work on revlog
v2 begins in earnest. I plan on doing that work once this patch
is accepted and we're comfortable with the idea of starting down
this path.
author | Gregory Szorc <gregory.szorc@gmail.com> |
---|---|
date | Fri, 19 May 2017 20:29:11 -0700 |
parents | 7a209737f01c |
children | e5dd44f78ac6 |
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$ HGMERGE=true; export HGMERGE init $ hg init repo $ cd repo commit $ echo 'a' > a $ hg ci -A -m test -u nobody -d '1 0' adding a annotate -c $ hg annotate -c a 8435f90966e4: a annotate -cl $ hg annotate -cl a 8435f90966e4:1: a annotate -d $ hg annotate -d a Thu Jan 01 00:00:01 1970 +0000: a annotate -n $ hg annotate -n a 0: a annotate -nl $ hg annotate -nl a 0:1: a annotate -u $ hg annotate -u a nobody: a annotate -cdnu $ hg annotate -cdnu a nobody 0 8435f90966e4 Thu Jan 01 00:00:01 1970 +0000: a annotate -cdnul $ hg annotate -cdnul a nobody 0 8435f90966e4 Thu Jan 01 00:00:01 1970 +0000:1: a annotate (JSON) $ hg annotate -Tjson a [ { "abspath": "a", "lines": [{"line": "a\n", "rev": 0}], "path": "a" } ] $ hg annotate -Tjson -cdfnul a [ { "abspath": "a", "lines": [{"date": [1.0, 0], "file": "a", "line": "a\n", "line_number": 1, "node": "8435f90966e442695d2ded29fdade2bac5ad8065", "rev": 0, "user": "nobody"}], "path": "a" } ] $ cat <<EOF >>a > a > a > EOF $ hg ci -ma1 -d '1 0' $ hg cp a b $ hg ci -mb -d '1 0' $ cat <<EOF >> b > b4 > b5 > b6 > EOF $ hg ci -mb2 -d '2 0' annotate multiple files (JSON) $ hg annotate -Tjson a b [ { "abspath": "a", "lines": [{"line": "a\n", "rev": 0}, {"line": "a\n", "rev": 1}, {"line": "a\n", "rev": 1}], "path": "a" }, { "abspath": "b", "lines": [{"line": "a\n", "rev": 0}, {"line": "a\n", "rev": 1}, {"line": "a\n", "rev": 1}, {"line": "b4\n", "rev": 3}, {"line": "b5\n", "rev": 3}, {"line": "b6\n", "rev": 3}], "path": "b" } ] annotate multiple files (template) $ hg annotate -T'== {abspath} ==\n{lines % "{rev}: {line}"}' a b == a == 0: a 1: a 1: a == b == 0: a 1: a 1: a 3: b4 3: b5 3: b6 annotate -n b $ hg annotate -n b 0: a 1: a 1: a 3: b4 3: b5 3: b6 annotate --no-follow b $ hg annotate --no-follow b 2: a 2: a 2: a 3: b4 3: b5 3: b6 annotate -nl b $ hg annotate -nl b 0:1: a 1:2: a 1:3: a 3:4: b4 3:5: b5 3:6: b6 annotate -nf b $ hg annotate -nf b 0 a: a 1 a: a 1 a: a 3 b: b4 3 b: b5 3 b: b6 annotate -nlf b $ hg annotate -nlf b 0 a:1: a 1 a:2: a 1 a:3: a 3 b:4: b4 3 b:5: b5 3 b:6: b6 $ hg up -C 2 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ cat <<EOF >> b > b4 > c > b5 > EOF $ hg ci -mb2.1 -d '2 0' created new head $ hg merge merging b 0 files updated, 1 files merged, 0 files removed, 0 files unresolved (branch merge, don't forget to commit) $ hg ci -mmergeb -d '3 0' annotate after merge $ hg annotate -nf b 0 a: a 1 a: a 1 a: a 3 b: b4 4 b: c 3 b: b5 annotate after merge with -l $ hg annotate -nlf b 0 a:1: a 1 a:2: a 1 a:3: a 3 b:4: b4 4 b:5: c 3 b:5: b5 $ hg up -C 1 0 files updated, 0 files merged, 1 files removed, 0 files unresolved $ hg cp a b $ cat <<EOF > b > a > z > a > EOF $ hg ci -mc -d '3 0' created new head $ hg merge merging b 0 files updated, 1 files merged, 0 files removed, 0 files unresolved (branch merge, don't forget to commit) $ cat <<EOF >> b > b4 > c > b5 > EOF $ echo d >> b $ hg ci -mmerge2 -d '4 0' annotate after rename merge $ hg annotate -nf b 0 a: a 6 b: z 1 a: a 3 b: b4 4 b: c 3 b: b5 7 b: d annotate after rename merge with -l $ hg annotate -nlf b 0 a:1: a 6 b:2: z 1 a:3: a 3 b:4: b4 4 b:5: c 3 b:5: b5 7 b:7: d --skip nothing (should be the same as no --skip at all) $ hg annotate -nlf b --skip '1::0' 0 a:1: a 6 b:2: z 1 a:3: a 3 b:4: b4 4 b:5: c 3 b:5: b5 7 b:7: d --skip a modified line $ hg annotate -nlf b --skip 6 0 a:1: a 1 a:2: z 1 a:3: a 3 b:4: b4 4 b:5: c 3 b:5: b5 7 b:7: d --skip added lines (and test multiple skip) $ hg annotate -nlf b --skip 3 0 a:1: a 6 b:2: z 1 a:3: a 1 a:3: b4 4 b:5: c 1 a:3: b5 7 b:7: d $ hg annotate -nlf b --skip 4 0 a:1: a 6 b:2: z 1 a:3: a 3 b:4: b4 1 a:3: c 3 b:5: b5 7 b:7: d $ hg annotate -nlf b --skip 3 --skip 4 0 a:1: a 6 b:2: z 1 a:3: a 1 a:3: b4 1 a:3: c 1 a:3: b5 7 b:7: d $ hg annotate -nlf b --skip 'merge()' 0 a:1: a 6 b:2: z 1 a:3: a 3 b:4: b4 4 b:5: c 3 b:5: b5 3 b:5: d --skip everything -- use the revision the file was introduced in $ hg annotate -nlf b --skip 'all()' 0 a:1: a 0 a:1: z 0 a:1: a 0 a:1: b4 0 a:1: c 0 a:1: b5 0 a:1: d Issue2807: alignment of line numbers with -l $ echo more >> b $ hg ci -mmore -d '5 0' $ echo more >> b $ hg ci -mmore -d '6 0' $ echo more >> b $ hg ci -mmore -d '7 0' $ hg annotate -nlf b 0 a: 1: a 6 b: 2: z 1 a: 3: a 3 b: 4: b4 4 b: 5: c 3 b: 5: b5 7 b: 7: d 8 b: 8: more 9 b: 9: more 10 b:10: more linkrev vs rev $ hg annotate -r tip -n a 0: a 1: a 1: a linkrev vs rev with -l $ hg annotate -r tip -nl a 0:1: a 1:2: a 1:3: a Issue589: "undelete" sequence leads to crash annotate was crashing when trying to --follow something like A -> B -> A generate ABA rename configuration $ echo foo > foo $ hg add foo $ hg ci -m addfoo $ hg rename foo bar $ hg ci -m renamefoo $ hg rename bar foo $ hg ci -m renamebar annotate after ABA with follow $ hg annotate --follow foo foo: foo missing file $ hg ann nosuchfile abort: nosuchfile: no such file in rev e9e6b4fa872f [255] annotate file without '\n' on last line $ printf "" > c $ hg ci -A -m test -u nobody -d '1 0' adding c $ hg annotate c $ printf "a\nb" > c $ hg ci -m test $ hg annotate c [0-9]+: a (re) [0-9]+: b (re) Issue3841: check annotation of the file of which filelog includes merging between the revision and its ancestor to reproduce the situation with recent Mercurial, this script uses (1) "hg debugsetparents" to merge without ancestor check by "hg merge", and (2) the extension to allow filelog merging between the revision and its ancestor by overriding "repo._filecommit". $ cat > ../legacyrepo.py <<EOF > from mercurial import node, error > def reposetup(ui, repo): > class legacyrepo(repo.__class__): > def _filecommit(self, fctx, manifest1, manifest2, > linkrev, tr, changelist): > fname = fctx.path() > text = fctx.data() > flog = self.file(fname) > fparent1 = manifest1.get(fname, node.nullid) > fparent2 = manifest2.get(fname, node.nullid) > meta = {} > copy = fctx.renamed() > if copy and copy[0] != fname: > raise error.Abort('copying is not supported') > if fparent2 != node.nullid: > changelist.append(fname) > return flog.add(text, meta, tr, linkrev, > fparent1, fparent2) > raise error.Abort('only merging is supported') > repo.__class__ = legacyrepo > EOF $ cat > baz <<EOF > 1 > 2 > 3 > 4 > 5 > EOF $ hg add baz $ hg commit -m "baz:0" $ cat > baz <<EOF > 1 baz:1 > 2 > 3 > 4 > 5 > EOF $ hg commit -m "baz:1" $ cat > baz <<EOF > 1 baz:1 > 2 baz:2 > 3 > 4 > 5 > EOF $ hg debugsetparents 17 17 $ hg --config extensions.legacyrepo=../legacyrepo.py commit -m "baz:2" $ hg debugindexdot .hg/store/data/baz.i digraph G { -1 -> 0 0 -> 1 1 -> 2 1 -> 2 } $ hg annotate baz 17: 1 baz:1 18: 2 baz:2 16: 3 16: 4 16: 5 $ cat > baz <<EOF > 1 baz:1 > 2 baz:2 > 3 baz:3 > 4 > 5 > EOF $ hg commit -m "baz:3" $ cat > baz <<EOF > 1 baz:1 > 2 baz:2 > 3 baz:3 > 4 baz:4 > 5 > EOF $ hg debugsetparents 19 18 $ hg --config extensions.legacyrepo=../legacyrepo.py commit -m "baz:4" $ hg debugindexdot .hg/store/data/baz.i digraph G { -1 -> 0 0 -> 1 1 -> 2 1 -> 2 2 -> 3 3 -> 4 2 -> 4 } $ hg annotate baz 17: 1 baz:1 18: 2 baz:2 19: 3 baz:3 20: 4 baz:4 16: 5 annotate clean file $ hg annotate -ncr "wdir()" foo 11 472b18db256d : foo annotate modified file $ echo foofoo >> foo $ hg annotate -r "wdir()" foo 11 : foo 20+: foofoo $ hg annotate -cr "wdir()" foo 472b18db256d : foo b6bedd5477e7+: foofoo $ hg annotate -ncr "wdir()" foo 11 472b18db256d : foo 20 b6bedd5477e7+: foofoo $ hg annotate --debug -ncr "wdir()" foo 11 472b18db256d1e8282064eab4bfdaf48cbfe83cd : foo 20 b6bedd5477e797f25e568a6402d4697f3f895a72+: foofoo $ hg annotate -udr "wdir()" foo test Thu Jan 01 00:00:00 1970 +0000: foo test [A-Za-z0-9:+ ]+: foofoo (re) $ hg annotate -ncr "wdir()" -Tjson foo [ { "abspath": "foo", "lines": [{"line": "foo\n", "node": "472b18db256d1e8282064eab4bfdaf48cbfe83cd", "rev": 11}, {"line": "foofoo\n", "node": null, "rev": null}], "path": "foo" } ] annotate added file $ echo bar > bar $ hg add bar $ hg annotate -ncr "wdir()" bar 20 b6bedd5477e7+: bar annotate renamed file $ hg rename foo renamefoo2 $ hg annotate -ncr "wdir()" renamefoo2 11 472b18db256d : foo 20 b6bedd5477e7+: foofoo annotate missing file $ rm baz #if windows $ hg annotate -ncr "wdir()" baz abort: $TESTTMP\repo\baz: The system cannot find the file specified [255] #else $ hg annotate -ncr "wdir()" baz abort: No such file or directory: $TESTTMP/repo/baz [255] #endif annotate removed file $ hg rm baz #if windows $ hg annotate -ncr "wdir()" baz abort: $TESTTMP\repo\baz: The system cannot find the file specified [255] #else $ hg annotate -ncr "wdir()" baz abort: No such file or directory: $TESTTMP/repo/baz [255] #endif $ hg revert --all --no-backup --quiet $ hg id -n 20 Test followlines() revset; we usually check both followlines(pat, range) and followlines(pat, range, descend=True) to make sure both give the same result when they should. $ echo a >> foo $ hg ci -m 'foo: add a' $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 3:5)' 16: baz:0 19: baz:3 20: baz:4 $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 3:5, startrev=20)' 16: baz:0 19: baz:3 20: baz:4 $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 3:5, startrev=19)' 16: baz:0 19: baz:3 $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 3:5, startrev=19, descend=True)' 19: baz:3 20: baz:4 $ printf "0\n0\n" | cat - baz > baz1 $ mv baz1 baz $ hg ci -m 'added two lines with 0' $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 5:7)' 16: baz:0 19: baz:3 20: baz:4 $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 3:5, descend=true, startrev=19)' 19: baz:3 20: baz:4 $ echo 6 >> baz $ hg ci -m 'added line 8' $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 5:7)' 16: baz:0 19: baz:3 20: baz:4 $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 3:5, startrev=19, descend=1)' 19: baz:3 20: baz:4 $ sed 's/3/3+/' baz > baz.new $ mv baz.new baz $ hg ci -m 'baz:3->3+' $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 5:7, descend=0)' 16: baz:0 19: baz:3 20: baz:4 24: baz:3->3+ $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 3:5, startrev=17, descend=True)' 19: baz:3 20: baz:4 24: baz:3->3+ $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 1:2, descend=false)' 22: added two lines with 0 file patterns are okay $ hg log -T '{rev}: {desc}\n' -r 'followlines("path:baz", 1:2)' 22: added two lines with 0 renames are followed $ hg mv baz qux $ sed 's/4/4+/' qux > qux.new $ mv qux.new qux $ hg ci -m 'qux:4->4+' $ hg log -T '{rev}: {desc}\n' -r 'followlines(qux, 5:7)' 16: baz:0 19: baz:3 20: baz:4 24: baz:3->3+ 25: qux:4->4+ but are missed when following children $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 5:7, startrev=22, descend=True)' 24: baz:3->3+ merge $ hg up 24 --quiet $ echo 7 >> baz $ hg ci -m 'one more line, out of line range' created new head $ sed 's/3+/3-/' baz > baz.new $ mv baz.new baz $ hg ci -m 'baz:3+->3-' $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 5:7)' 16: baz:0 19: baz:3 20: baz:4 24: baz:3->3+ 27: baz:3+->3- $ hg merge 25 merging baz and qux to qux 0 files updated, 1 files merged, 0 files removed, 0 files unresolved (branch merge, don't forget to commit) $ hg ci -m merge $ hg log -T '{rev}: {desc}\n' -r 'followlines(qux, 5:7)' 16: baz:0 19: baz:3 20: baz:4 24: baz:3->3+ 25: qux:4->4+ 27: baz:3+->3- 28: merge $ hg up 25 --quiet $ hg merge 27 merging qux and baz to qux 0 files updated, 1 files merged, 0 files removed, 0 files unresolved (branch merge, don't forget to commit) $ hg ci -m 'merge from other side' created new head $ hg log -T '{rev}: {desc}\n' -r 'followlines(qux, 5:7)' 16: baz:0 19: baz:3 20: baz:4 24: baz:3->3+ 25: qux:4->4+ 27: baz:3+->3- 29: merge from other side $ hg up 24 --quiet we are missing the branch with rename when following children $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 5:7, startrev=26, descend=True)' 27: baz:3+->3- we follow all branches in descending direction $ hg up 23 --quiet $ sed 's/3/+3/' baz > baz.new $ mv baz.new baz $ hg ci -m 'baz:3->+3' created new head $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 2:5, startrev=16, descend=True)' --graph @ 30: baz:3->+3 : : o 27: baz:3+->3- : : : o 24: baz:3->3+ :/ o 20: baz:4 |\ | o 19: baz:3 |/ o 18: baz:2 : o 16: baz:0 | ~ check error cases $ hg up 24 --quiet $ hg log -r 'followlines()' hg: parse error: followlines takes at least 1 positional arguments [255] $ hg log -r 'followlines(baz)' hg: parse error: followlines requires a line range [255] $ hg log -r 'followlines(baz, 1)' hg: parse error: followlines expects a line range [255] $ hg log -r 'followlines(baz, 1:2, startrev=desc("b"))' hg: parse error: followlines expects exactly one revision [255] $ hg log -r 'followlines("glob:*", 1:2)' hg: parse error: followlines expects exactly one file [255] $ hg log -r 'followlines(baz, 1:)' hg: parse error: line range bounds must be integers [255] $ hg log -r 'followlines(baz, :1)' hg: parse error: line range bounds must be integers [255] $ hg log -r 'followlines(baz, x:4)' hg: parse error: line range bounds must be integers [255] $ hg log -r 'followlines(baz, 5:4)' hg: parse error: line range must be positive [255] $ hg log -r 'followlines(baz, 0:4)' hg: parse error: fromline must be strictly positive [255] $ hg log -r 'followlines(baz, 2:40)' abort: line range exceeds file size [255] $ hg log -r 'followlines(baz, 2:4, startrev=20, descend=[1])' hg: parse error at 43: syntax error in revset 'followlines(baz, 2:4, startrev=20, descend=[1])' [255] $ hg log -r 'followlines(baz, 2:4, startrev=20, descend=a)' hg: parse error: descend argument must be a boolean [255] Test empty annotate output $ printf '\0' > binary $ touch empty $ hg ci -qAm 'add binary and empty files' $ hg annotate binary empty binary: binary file $ hg annotate -Tjson binary empty [ { "abspath": "binary", "path": "binary" }, { "abspath": "empty", "lines": [], "path": "empty" } ] Test annotate with whitespace options $ cd .. $ hg init repo-ws $ cd repo-ws $ cat > a <<EOF > aa > > b b > EOF $ hg ci -Am "adda" adding a $ sed 's/EOL$//g' > a <<EOF > a a > > EOL > b b > EOF $ hg ci -m "changea" Annotate with no option $ hg annotate a 1: a a 0: 1: 1: b b Annotate with --ignore-space-change $ hg annotate --ignore-space-change a 1: a a 1: 0: 0: b b Annotate with --ignore-all-space $ hg annotate --ignore-all-space a 0: a a 0: 1: 0: b b Annotate with --ignore-blank-lines (similar to no options case) $ hg annotate --ignore-blank-lines a 1: a a 0: 1: 1: b b $ cd .. Annotate with linkrev pointing to another branch ------------------------------------------------ create history with a filerev whose linkrev points to another branch $ hg init branchedlinkrev $ cd branchedlinkrev $ echo A > a $ hg commit -Am 'contentA' adding a $ echo B >> a $ hg commit -m 'contentB' $ hg up --rev 'desc(contentA)' 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ echo unrelated > unrelated $ hg commit -Am 'unrelated' adding unrelated created new head $ hg graft -r 'desc(contentB)' grafting 1:fd27c222e3e6 "contentB" $ echo C >> a $ hg commit -m 'contentC' $ echo W >> a $ hg log -G @ changeset: 4:072f1e8df249 | tag: tip | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: contentC | o changeset: 3:ff38df03cc4b | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: contentB | o changeset: 2:62aaf3f6fc06 | parent: 0:f0932f74827e | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: unrelated | | o changeset: 1:fd27c222e3e6 |/ user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: contentB | o changeset: 0:f0932f74827e user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: contentA Annotate should list ancestor of starting revision only $ hg annotate a 0: A 3: B 4: C $ hg annotate a -r 'wdir()' 0 : A 3 : B 4 : C 4+: W Even when the starting revision is the linkrev-shadowed one: $ hg annotate a -r 3 0: A 3: B $ cd .. Issue5360: Deleted chunk in p1 of a merge changeset $ hg init repo-5360 $ cd repo-5360 $ echo 1 > a $ hg commit -A a -m 1 $ echo 2 >> a $ hg commit -m 2 $ echo a > a $ hg commit -m a $ hg update '.^' -q $ echo 3 >> a $ hg commit -m 3 -q $ hg merge 2 -q $ cat > a << EOF > b > 1 > 2 > 3 > a > EOF $ hg resolve --mark -q $ hg commit -m m $ hg annotate a 4: b 0: 1 1: 2 3: 3 2: a $ cd ..