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Differential D9844

revlogv2: allow upgrading to v2
ClosedPublic

Authored by Alphare on Jan 20 2021, 3:45 PM.

Details

Reviewers
marmoute
Group Reviewers
hg-reviewers
Commits
rHGfd55a9eb1507: revlogv2: allow upgrading to v2
Summary

Revlogv2 implies sidedata.
Right now sidedata is not really used in production, and Revlogv2 will be used
for the first production-ready version of sidedata support.

Diff Detail

Repository
rHG Mercurial
Branch
default
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Unit
No Unit Test Coverage

Event Timeline

Alphare created this revision.Jan 20 2021, 3:45 PM
pulkit added a subscriber: pulkit.Jan 22 2021, 11:42 AM
pulkit added inline comments.
mercurial/configitems.py
1296

A part of this seems like an unrelated change.

baymax updated this revision to Diff 25604.Feb 12 2021, 7:46 AM

✅ refresh by Heptapod after a successful CI run (🐙 💚)

baymax updated this revision to Diff 25616.Feb 12 2021, 6:59 PM

✅ refresh by Heptapod after a successful CI run (🐙 💚)

baymax updated this revision to Diff 25665.Feb 19 2021, 6:12 AM

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baymax updated this revision to Diff 25965.Feb 25 2021, 11:45 AM

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baymax updated this revision to Diff 26001.Mar 1 2021, 12:11 PM

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marmoute requested changes to this revision.Mar 2 2021, 11:31 AM
marmoute added a subscriber: marmoute.
marmoute added inline comments.
mercurial/configitems.py
1295–1302

This whole part seems like a mistake during a merge. We should drop it.

mercurial/upgrade_utils/actions.py
378–388

if revlogv2 <=> sidedata, we should replace the associate format variant with this new one on adding a "duplicated" one.

898

revlogv1 should move to a constant for clarity/cleaness. Can you do that as preparatory changesets?

This revision now requires changes to proceed.Mar 2 2021, 11:31 AM
Alphare marked 2 inline comments as done.Mar 4 2021, 3:32 AM
Alphare updated this revision to Diff 26047.
Alphare planned changes to this revision.Mar 4 2021, 3:35 AM
Alphare added inline comments.
mercurial/upgrade_utils/actions.py
378–388

I forgot to do this, my bad, I'll update

Alphare added inline comments.Mar 4 2021, 10:13 AM
mercurial/upgrade_utils/actions.py
378–388

This is done in D10113

marmoute accepted this revision.Mar 9 2021, 10:52 AM
baymax updated this revision to Diff 26216.Mar 10 2021, 2:10 PM

✅ refresh by Heptapod after a successful CI run (🐙 💚)

Alphare added a commit: rHGfd55a9eb1507: revlogv2: allow upgrading to v2.Mar 15 2021, 2:30 PM
This revision was not accepted when it landed; it landed in state Needs Review.
Closed by commit rHGfd55a9eb1507: revlogv2: allow upgrading to v2 (authored by Alphare). · Explain Why
This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

Diff 26085

mercurial/configitems.py

b'usegeneraldelta', b'usegeneraldelta',
default=True, default=True,
) )
coreconfigitem( coreconfigitem(
b'format', b'format',
b'usestore', b'usestore',
default=True, default=True,
) )
coreconfigitem( coreconfigitem(
b'format', b'format',
pulkitUnsubmitted
Not Done

A part of this seems like an unrelated change.

pulkit: A part of this seems like an unrelated change.
b'use-persistent-nodemap', b'use-persistent-nodemap',
default=False, default=False,
) )
coreconfigitem( coreconfigitem(
b'format', b'format',
b'exp-revlogv2.2',
marmouteUnsubmitted
Done

This whole part seems like a mistake during a merge. We should drop it.

marmoute: This whole part seems like a mistake during a merge. We should drop it.
default=False,
experimental=True,
)
coreconfigitem(
b'format',
b'exp-use-copies-side-data-changeset', b'exp-use-copies-side-data-changeset',
default=False, default=False,
experimental=True, experimental=True,
) )
coreconfigitem( coreconfigitem(
b'format', b'format',
b'exp-use-side-data', b'exp-use-side-data',
default=False, default=False,

mercurial/localrepo.py

if scmutil.gdinitconfig(ui): if scmutil.gdinitconfig(ui):
requirements.add(requirementsmod.GENERALDELTA_REQUIREMENT) requirements.add(requirementsmod.GENERALDELTA_REQUIREMENT)
if ui.configbool(b'format', b'sparse-revlog'): if ui.configbool(b'format', b'sparse-revlog'):
requirements.add(requirementsmod.SPARSEREVLOG_REQUIREMENT) requirements.add(requirementsmod.SPARSEREVLOG_REQUIREMENT)
# experimental config: format.exp-use-side-data # experimental config: format.exp-use-side-data
if ui.configbool(b'format', b'exp-use-side-data'): if ui.configbool(b'format', b'exp-use-side-data'):
requirements.discard(requirementsmod.REVLOGV1_REQUIREMENT)
requirements.add(requirementsmod.REVLOGV2_REQUIREMENT)
requirements.add(requirementsmod.SIDEDATA_REQUIREMENT) requirements.add(requirementsmod.SIDEDATA_REQUIREMENT)
# experimental config: format.exp-use-copies-side-data-changeset # experimental config: format.exp-use-copies-side-data-changeset
if ui.configbool(b'format', b'exp-use-copies-side-data-changeset'): if ui.configbool(b'format', b'exp-use-copies-side-data-changeset'):
requirements.discard(requirementsmod.REVLOGV1_REQUIREMENT)
requirements.add(requirementsmod.REVLOGV2_REQUIREMENT)
requirements.add(requirementsmod.SIDEDATA_REQUIREMENT) requirements.add(requirementsmod.SIDEDATA_REQUIREMENT)
requirements.add(requirementsmod.COPIESSDC_REQUIREMENT) requirements.add(requirementsmod.COPIESSDC_REQUIREMENT)
if ui.configbool(b'experimental', b'treemanifest'): if ui.configbool(b'experimental', b'treemanifest'):
requirements.add(requirementsmod.TREEMANIFEST_REQUIREMENT) requirements.add(requirementsmod.TREEMANIFEST_REQUIREMENT)
revlogv2 = ui.config(b'experimental', b'revlogv2') revlogv2 = ui.config(b'experimental', b'revlogv2')
if revlogv2 == b'enable-unstable-format-and-corrupt-my-data': if revlogv2 == b'enable-unstable-format-and-corrupt-my-data':
requirements.remove(requirementsmod.REVLOGV1_REQUIREMENT) requirements.discard(requirementsmod.REVLOGV1_REQUIREMENT)
# generaldelta is implied by revlogv2. # generaldelta is implied by revlogv2.
requirements.discard(requirementsmod.GENERALDELTA_REQUIREMENT) requirements.discard(requirementsmod.GENERALDELTA_REQUIREMENT)
requirements.add(requirementsmod.REVLOGV2_REQUIREMENT) requirements.add(requirementsmod.REVLOGV2_REQUIREMENT)
# experimental config: format.internal-phase # experimental config: format.internal-phase
if ui.configbool(b'format', b'internal-phase'): if ui.configbool(b'format', b'internal-phase'):
requirements.add(requirementsmod.INTERNAL_PHASE_REQUIREMENT) requirements.add(requirementsmod.INTERNAL_PHASE_REQUIREMENT)
if createopts.get(b'narrowfiles'): if createopts.get(b'narrowfiles'):

mercurial/upgrade_utils/actions.py

b'better compression and faster exchange with server.' b'better compression and faster exchange with server.'
) )
@registerformatvariant @registerformatvariant
class sidedata(requirementformatvariant): class sidedata(requirementformatvariant):
name = b'sidedata' name = b'sidedata'
_requirement = requirements.SIDEDATA_REQUIREMENT _requirement = requirements.REVLOGV2_REQUIREMENT
default = False default = False
description = _( description = _(
b'Allows storage of extra data alongside a revision, ' b'Allows storage of extra data alongside a revision, '
b'unlocking various caching options.' b'unlocking various caching options.'
) )
upgrademessage = _(b'Allows storage of extra data alongside a revision.') upgrademessage = _(b'Allows storage of extra data alongside a revision.')
@classmethod
def fromrepo(cls, repo):
assert cls._requirement is not None
return cls._requirement in repo.requirements
@registerformatvariant @registerformatvariant
class persistentnodemap(requirementformatvariant): class persistentnodemap(requirementformatvariant):
name = b'persistent-nodemap' name = b'persistent-nodemap'
_requirement = requirements.NODEMAP_REQUIREMENT _requirement = requirements.NODEMAP_REQUIREMENT
default = False default = False
description = _(b'Stores copies information alongside changesets.') description = _(b'Stores copies information alongside changesets.')
upgrademessage = _( upgrademessage = _(
b'Allows to use more efficient algorithm to deal with ' b'copy tracing.' b'Allows to use more efficient algorithm to deal with ' b'copy tracing.'
) )
@registerformatvariant @registerformatvariant
class revlogv2(requirementformatvariant):
name = b'revlog-v2'
_requirement = requirements.REVLOGV2_REQUIREMENT
default = False
description = _(b'Version 2 of the revlog.')
upgrademessage = _(b'very experimental')
@registerformatvariant
class removecldeltachain(formatvariant): class removecldeltachain(formatvariant):
marmouteUnsubmitted
Not Done

if revlogv2 <=> sidedata, we should replace the associate format variant with this new one on adding a "duplicated" one.

marmoute: if `revlogv2 <=> sidedata`, we should replace the associate format variant with this new one on…
AlphareAuthorUnsubmitted
Done

I forgot to do this, my bad, I'll update

Alphare: I forgot to do this, my bad, I'll update
AlphareAuthorUnsubmitted
Done

This is done in D10113

Alphare: This is done in D10113
name = b'plain-cl-delta' name = b'plain-cl-delta'
default = True default = True
description = _( description = _(
b'changelog storage is using deltas instead of ' b'changelog storage is using deltas instead of '
b'raw entries; changelog reading and any ' b'raw entries; changelog reading and any '
b'operation relying on changelog data are slower ' b'operation relying on changelog data are slower '
def requiredsourcerequirements(repo): def requiredsourcerequirements(repo):
"""Obtain requirements required to be present to upgrade a repo. """Obtain requirements required to be present to upgrade a repo.
An upgrade will not be allowed if the repository doesn't have the An upgrade will not be allowed if the repository doesn't have the
requirements returned by this function. requirements returned by this function.
""" """
return { return {
# Introduced in Mercurial 0.9.2. # Introduced in Mercurial 0.9.2.
requirements.REVLOGV1_REQUIREMENT,
# Introduced in Mercurial 0.9.2.
requirements.STORE_REQUIREMENT, requirements.STORE_REQUIREMENT,
} }
def blocksourcerequirements(repo): def blocksourcerequirements(repo):
"""Obtain requirements that will prevent an upgrade from occurring. """Obtain requirements that will prevent an upgrade from occurring.
An upgrade cannot be performed if the source repository contains a An upgrade cannot be performed if the source repository contains a
requirements in the returned set. requirements in the returned set.
""" """
return { return {
# The upgrade code does not yet support these experimental features. # The upgrade code does not yet support these experimental features.
# This is an artificial limitation. # This is an artificial limitation.
requirements.TREEMANIFEST_REQUIREMENT, requirements.TREEMANIFEST_REQUIREMENT,
# This was a precursor to generaldelta and was never enabled by default. # This was a precursor to generaldelta and was never enabled by default.
# It should (hopefully) not exist in the wild. # It should (hopefully) not exist in the wild.
b'parentdelta', b'parentdelta',
# Upgrade should operate on the actual store, not the shared link. # Upgrade should operate on the actual store, not the shared link.
requirements.SHARED_REQUIREMENT, requirements.SHARED_REQUIREMENT,
} }
def check_revlog_version(reqs):
"""Check that the requirements contain at least one Revlog version"""
all_revlogs = {
marmouteUnsubmitted
Done

revlogv1 should move to a constant for clarity/cleaness. Can you do that as preparatory changesets?

marmoute: revlogv1 should move to a constant for clarity/cleaness. Can you do that as preparatory…
requirements.REVLOGV1_REQUIREMENT,
requirements.REVLOGV2_REQUIREMENT,
}
if not all_revlogs.intersection(reqs):
msg = _(b'cannot upgrade repository; missing a revlog version')
raise error.Abort(msg)
def check_source_requirements(repo): def check_source_requirements(repo):
"""Ensure that no existing requirements prevent the repository upgrade""" """Ensure that no existing requirements prevent the repository upgrade"""
check_revlog_version(repo.requirements)
required = requiredsourcerequirements(repo) required = requiredsourcerequirements(repo)
missingreqs = required - repo.requirements missingreqs = required - repo.requirements
if missingreqs: if missingreqs:
msg = _(b'cannot upgrade repository; requirement missing: %s') msg = _(b'cannot upgrade repository; requirement missing: %s')
missingreqs = b', '.join(sorted(missingreqs)) missingreqs = b', '.join(sorted(missingreqs))
raise error.Abort(msg % missingreqs) raise error.Abort(msg % missingreqs)
blocking = blocksourcerequirements(repo) blocking = blocksourcerequirements(repo)
to be allowed. to be allowed.
""" """
supported = { supported = {
requirements.SPARSEREVLOG_REQUIREMENT, requirements.SPARSEREVLOG_REQUIREMENT,
requirements.SIDEDATA_REQUIREMENT, requirements.SIDEDATA_REQUIREMENT,
requirements.COPIESSDC_REQUIREMENT, requirements.COPIESSDC_REQUIREMENT,
requirements.NODEMAP_REQUIREMENT, requirements.NODEMAP_REQUIREMENT,
requirements.SHARESAFE_REQUIREMENT, requirements.SHARESAFE_REQUIREMENT,
requirements.REVLOGV2_REQUIREMENT,
requirements.REVLOGV1_REQUIREMENT,
} }
for name in compression.compengines: for name in compression.compengines:
engine = compression.compengines[name] engine = compression.compengines[name]
if engine.available() and engine.revlogheader(): if engine.available() and engine.revlogheader():
supported.add(b'exp-compression-%s' % name) supported.add(b'exp-compression-%s' % name)
if engine.name() == b'zstd': if engine.name() == b'zstd':
supported.add(b'revlog-compression-zstd') supported.add(b'revlog-compression-zstd')
return supported return supported
def supporteddestrequirements(repo): def supporteddestrequirements(repo):
"""Obtain requirements that upgrade supports in the destination. """Obtain requirements that upgrade supports in the destination.
If the result of the upgrade would create requirements not in this set, If the result of the upgrade would create requirements not in this set,
the upgrade is disallowed. the upgrade is disallowed.
Extensions should monkeypatch this to add their custom requirements. Extensions should monkeypatch this to add their custom requirements.
""" """
supported = { supported = {
requirements.DOTENCODE_REQUIREMENT, requirements.DOTENCODE_REQUIREMENT,
requirements.FNCACHE_REQUIREMENT, requirements.FNCACHE_REQUIREMENT,
requirements.GENERALDELTA_REQUIREMENT, requirements.GENERALDELTA_REQUIREMENT,
requirements.REVLOGV1_REQUIREMENT, requirements.REVLOGV1_REQUIREMENT, # allowed in case of downgrade
requirements.STORE_REQUIREMENT, requirements.STORE_REQUIREMENT,
requirements.SPARSEREVLOG_REQUIREMENT, requirements.SPARSEREVLOG_REQUIREMENT,
requirements.SIDEDATA_REQUIREMENT, requirements.SIDEDATA_REQUIREMENT,
requirements.COPIESSDC_REQUIREMENT, requirements.COPIESSDC_REQUIREMENT,
requirements.NODEMAP_REQUIREMENT, requirements.NODEMAP_REQUIREMENT,
requirements.SHARESAFE_REQUIREMENT, requirements.SHARESAFE_REQUIREMENT,
requirements.REVLOGV2_REQUIREMENT,
} }
for name in compression.compengines: for name in compression.compengines:
engine = compression.compengines[name] engine = compression.compengines[name]
if engine.available() and engine.revlogheader(): if engine.available() and engine.revlogheader():
supported.add(b'exp-compression-%s' % name) supported.add(b'exp-compression-%s' % name)
if engine.name() == b'zstd': if engine.name() == b'zstd':
supported.add(b'revlog-compression-zstd') supported.add(b'revlog-compression-zstd')
return supported return supported
requirements.DOTENCODE_REQUIREMENT, requirements.DOTENCODE_REQUIREMENT,
requirements.FNCACHE_REQUIREMENT, requirements.FNCACHE_REQUIREMENT,
requirements.GENERALDELTA_REQUIREMENT, requirements.GENERALDELTA_REQUIREMENT,
requirements.SPARSEREVLOG_REQUIREMENT, requirements.SPARSEREVLOG_REQUIREMENT,
requirements.SIDEDATA_REQUIREMENT, requirements.SIDEDATA_REQUIREMENT,
requirements.COPIESSDC_REQUIREMENT, requirements.COPIESSDC_REQUIREMENT,
requirements.NODEMAP_REQUIREMENT, requirements.NODEMAP_REQUIREMENT,
requirements.SHARESAFE_REQUIREMENT, requirements.SHARESAFE_REQUIREMENT,
requirements.REVLOGV1_REQUIREMENT,
requirements.REVLOGV2_REQUIREMENT,
} }
for name in compression.compengines: for name in compression.compengines:
engine = compression.compengines[name] engine = compression.compengines[name]
if engine.available() and engine.revlogheader(): if engine.available() and engine.revlogheader():
supported.add(b'exp-compression-%s' % name) supported.add(b'exp-compression-%s' % name)
if engine.name() == b'zstd': if engine.name() == b'zstd':
supported.add(b'revlog-compression-zstd') supported.add(b'revlog-compression-zstd')
return supported return supported
def check_requirements_changes(repo, new_reqs): def check_requirements_changes(repo, new_reqs):
old_reqs = repo.requirements old_reqs = repo.requirements
check_revlog_version(repo.requirements)
support_removal = supportremovedrequirements(repo) support_removal = supportremovedrequirements(repo)
no_remove_reqs = old_reqs - new_reqs - support_removal no_remove_reqs = old_reqs - new_reqs - support_removal
if no_remove_reqs: if no_remove_reqs:
msg = _(b'cannot upgrade repository; requirement would be removed: %s') msg = _(b'cannot upgrade repository; requirement would be removed: %s')
no_remove_reqs = b', '.join(sorted(no_remove_reqs)) no_remove_reqs = b', '.join(sorted(no_remove_reqs))
raise error.Abort(msg % no_remove_reqs) raise error.Abort(msg % no_remove_reqs)
support_addition = allowednewrequirements(repo) support_addition = allowednewrequirements(repo)

tests/test-copies-chain-merge.t

fncache: yes yes yes fncache: yes yes yes
dotencode: yes yes yes dotencode: yes yes yes
generaldelta: yes yes yes generaldelta: yes yes yes
share-safe: no no no share-safe: no no no
sparserevlog: yes yes yes sparserevlog: yes yes yes
sidedata: no yes no sidedata: no yes no
persistent-nodemap: no no no persistent-nodemap: no no no
copies-sdc: no yes no copies-sdc: no yes no
revlog-v2: no yes no
plain-cl-delta: yes yes yes plain-cl-delta: yes yes yes
compression: * (glob) compression: * (glob)
compression-level: default default default compression-level: default default default
$ hg debugupgraderepo --run --quiet $ hg debugupgraderepo --run --quiet
upgrade will perform the following actions: upgrade will perform the following actions:
requirements requirements
preserved: * (glob) preserved: * (glob)
added: exp-copies-sidedata-changeset, exp-sidedata-flag removed: revlogv1
added: exp-copies-sidedata-changeset, exp-revlogv2.2, exp-sidedata-flag
processed revlogs: processed revlogs:
- all-filelogs - all-filelogs
- changelog - changelog
- manifest - manifest
#endif #endif
fncache: yes yes yes fncache: yes yes yes
dotencode: yes yes yes dotencode: yes yes yes
generaldelta: yes yes yes generaldelta: yes yes yes
share-safe: no no no share-safe: no no no
sparserevlog: yes yes yes sparserevlog: yes yes yes
sidedata: no yes no sidedata: no yes no
persistent-nodemap: no no no persistent-nodemap: no no no
copies-sdc: no yes no copies-sdc: no yes no
revlog-v2: no yes no
plain-cl-delta: yes yes yes plain-cl-delta: yes yes yes
compression: * (glob) compression: * (glob)
compression-level: default default default compression-level: default default default
$ hg debugupgraderepo --run --quiet $ hg debugupgraderepo --run --quiet
upgrade will perform the following actions: upgrade will perform the following actions:
requirements requirements
preserved: * (glob) preserved: * (glob)
added: exp-copies-sidedata-changeset, exp-sidedata-flag removed: revlogv1
added: exp-copies-sidedata-changeset, exp-revlogv2.2, exp-sidedata-flag
processed revlogs: processed revlogs:
- all-filelogs - all-filelogs
- changelog - changelog
- manifest - manifest
#endif #endif

tests/test-copies-in-changeset.t

fncache: yes yes yes fncache: yes yes yes
dotencode: yes yes yes dotencode: yes yes yes
generaldelta: yes yes yes generaldelta: yes yes yes
share-safe: no no no share-safe: no no no
sparserevlog: yes yes yes sparserevlog: yes yes yes
sidedata: yes yes no sidedata: yes yes no
persistent-nodemap: no no no persistent-nodemap: no no no
copies-sdc: yes yes no copies-sdc: yes yes no
revlog-v2: yes yes no
plain-cl-delta: yes yes yes plain-cl-delta: yes yes yes
compression: zlib zlib zlib compression: zlib zlib zlib
compression-level: default default default compression-level: default default default
#else #else
$ hg debugformat -v $ hg debugformat -v
format-variant repo config default format-variant repo config default
fncache: yes yes yes fncache: yes yes yes
dotencode: yes yes yes dotencode: yes yes yes
generaldelta: yes yes yes generaldelta: yes yes yes
share-safe: no no no share-safe: no no no
sparserevlog: yes yes yes sparserevlog: yes yes yes
sidedata: no no no sidedata: no no no
persistent-nodemap: no no no persistent-nodemap: no no no
copies-sdc: no no no copies-sdc: no no no
revlog-v2: no no no
plain-cl-delta: yes yes yes plain-cl-delta: yes yes yes
compression: zlib zlib zlib compression: zlib zlib zlib
compression-level: default default default compression-level: default default default
#endif #endif
$ echo a > a $ echo a > a
$ hg add a $ hg add a
$ hg ci -m initial $ hg ci -m initial
$ hg cp a b $ hg cp a b
fncache: yes yes yes fncache: yes yes yes
dotencode: yes yes yes dotencode: yes yes yes
generaldelta: yes yes yes generaldelta: yes yes yes
share-safe: no no no share-safe: no no no
sparserevlog: yes yes yes sparserevlog: yes yes yes
sidedata: yes yes no sidedata: yes yes no
persistent-nodemap: no no no persistent-nodemap: no no no
copies-sdc: yes yes no copies-sdc: yes yes no
revlog-v2: yes yes no
plain-cl-delta: yes yes yes plain-cl-delta: yes yes yes
compression: zlib zlib zlib compression: zlib zlib zlib
compression-level: default default default compression-level: default default default
$ hg debugsidedata -c -- 0 $ hg debugsidedata -c -- 0
1 sidedata entries 1 sidedata entries
entry-0014 size 14 entry-0014 size 14
$ hg debugsidedata -c -- 1 $ hg debugsidedata -c -- 1
1 sidedata entries 1 sidedata entries
fncache: yes yes yes fncache: yes yes yes
dotencode: yes yes yes dotencode: yes yes yes
generaldelta: yes yes yes generaldelta: yes yes yes
share-safe: no no no share-safe: no no no
sparserevlog: yes yes yes sparserevlog: yes yes yes
sidedata: yes yes no sidedata: yes yes no
persistent-nodemap: no no no persistent-nodemap: no no no
copies-sdc: no no no copies-sdc: no no no
revlog-v2: yes yes no
plain-cl-delta: yes yes yes plain-cl-delta: yes yes yes
compression: zlib zlib zlib compression: zlib zlib zlib
compression-level: default default default compression-level: default default default
$ hg debugsidedata -c -- 0 $ hg debugsidedata -c -- 0
1 sidedata entries 1 sidedata entries
entry-0014 size 14 entry-0014 size 14
$ hg debugsidedata -c -- 1 $ hg debugsidedata -c -- 1
1 sidedata entries 1 sidedata entries
fncache: yes yes yes fncache: yes yes yes
dotencode: yes yes yes dotencode: yes yes yes
generaldelta: yes yes yes generaldelta: yes yes yes
share-safe: no no no share-safe: no no no
sparserevlog: yes yes yes sparserevlog: yes yes yes
sidedata: yes yes no sidedata: yes yes no
persistent-nodemap: no no no persistent-nodemap: no no no
copies-sdc: yes yes no copies-sdc: yes yes no
revlog-v2: yes yes no
plain-cl-delta: yes yes yes plain-cl-delta: yes yes yes
compression: zlib zlib zlib compression: zlib zlib zlib
compression-level: default default default compression-level: default default default
$ hg debugsidedata -c -- 0 $ hg debugsidedata -c -- 0
1 sidedata entries 1 sidedata entries
entry-0014 size 14 entry-0014 size 14
$ hg debugsidedata -c -- 1 $ hg debugsidedata -c -- 1
1 sidedata entries 1 sidedata entries
entry-0014 size 14 entry-0014 size 14
$ hg debugsidedata -m -- 0 $ hg debugsidedata -m -- 0
#endif #endif
$ cd .. $ cd ..

tests/test-persistent-nodemap.t

fncache: yes fncache: yes
dotencode: yes dotencode: yes
generaldelta: yes generaldelta: yes
share-safe: no share-safe: no
sparserevlog: yes sparserevlog: yes
sidedata: no sidedata: no
persistent-nodemap: yes persistent-nodemap: yes
copies-sdc: no copies-sdc: no
revlog-v2: no
plain-cl-delta: yes plain-cl-delta: yes
compression: zlib compression: zlib
compression-level: default compression-level: default
$ hg debugbuilddag .+5000 --new-file $ hg debugbuilddag .+5000 --new-file
$ hg debugnodemap --metadata $ hg debugnodemap --metadata
uid: ???????????????? (glob) uid: ???????????????? (glob)
tip-rev: 5000 tip-rev: 5000
fncache: yes yes yes fncache: yes yes yes
dotencode: yes yes yes dotencode: yes yes yes
generaldelta: yes yes yes generaldelta: yes yes yes
share-safe: no no no share-safe: no no no
sparserevlog: yes yes yes sparserevlog: yes yes yes
sidedata: no no no sidedata: no no no
persistent-nodemap: yes no no persistent-nodemap: yes no no
copies-sdc: no no no copies-sdc: no no no
revlog-v2: no no no
plain-cl-delta: yes yes yes plain-cl-delta: yes yes yes
compression: zlib zlib zlib compression: zlib zlib zlib
compression-level: default default default compression-level: default default default
$ hg debugupgraderepo --run --no-backup $ hg debugupgraderepo --run --no-backup
upgrade will perform the following actions: upgrade will perform the following actions:
requirements requirements
preserved: dotencode, fncache, generaldelta, revlogv1, sparserevlog, store preserved: dotencode, fncache, generaldelta, revlogv1, sparserevlog, store
fncache: yes yes yes fncache: yes yes yes
dotencode: yes yes yes dotencode: yes yes yes
generaldelta: yes yes yes generaldelta: yes yes yes
share-safe: no no no share-safe: no no no
sparserevlog: yes yes yes sparserevlog: yes yes yes
sidedata: no no no sidedata: no no no
persistent-nodemap: no yes no persistent-nodemap: no yes no
copies-sdc: no no no copies-sdc: no no no
revlog-v2: no no no
plain-cl-delta: yes yes yes plain-cl-delta: yes yes yes
compression: zlib zlib zlib compression: zlib zlib zlib
compression-level: default default default compression-level: default default default
$ hg debugupgraderepo --run --no-backup $ hg debugupgraderepo --run --no-backup
upgrade will perform the following actions: upgrade will perform the following actions:
requirements requirements
preserved: dotencode, fncache, generaldelta, revlogv1, sparserevlog, store preserved: dotencode, fncache, generaldelta, revlogv1, sparserevlog, store

tests/test-sidedata.t

fncache: yes yes yes fncache: yes yes yes
dotencode: yes yes yes dotencode: yes yes yes
generaldelta: yes yes yes generaldelta: yes yes yes
share-safe: no no no share-safe: no no no
sparserevlog: yes yes yes sparserevlog: yes yes yes
sidedata: no no no sidedata: no no no
persistent-nodemap: no no no persistent-nodemap: no no no
copies-sdc: no no no copies-sdc: no no no
revlog-v2: no no no
plain-cl-delta: yes yes yes plain-cl-delta: yes yes yes
compression: zlib zlib zlib compression: zlib zlib zlib
compression-level: default default default compression-level: default default default
$ hg debugformat -v -R up-no-side-data --config format.exp-use-side-data=yes $ hg debugformat -v -R up-no-side-data --config format.exp-use-side-data=yes
format-variant repo config default format-variant repo config default
fncache: yes yes yes fncache: yes yes yes
dotencode: yes yes yes dotencode: yes yes yes
generaldelta: yes yes yes generaldelta: yes yes yes
share-safe: no no no share-safe: no no no
sparserevlog: yes yes yes sparserevlog: yes yes yes
sidedata: no yes no sidedata: no yes no
persistent-nodemap: no no no persistent-nodemap: no no no
copies-sdc: no no no copies-sdc: no no no
revlog-v2: no yes no
plain-cl-delta: yes yes yes plain-cl-delta: yes yes yes
compression: zlib zlib zlib compression: zlib zlib zlib
compression-level: default default default compression-level: default default default
$ hg debugupgraderepo -R up-no-side-data --config format.exp-use-side-data=yes > /dev/null $ hg debugupgraderepo -R up-no-side-data --config format.exp-use-side-data=yes > /dev/null
Check that we can downgrade from sidedata Check that we can downgrade from sidedata
----------------------------------------- -----------------------------------------
$ hg init up-side-data --config format.exp-use-side-data=yes $ hg init up-side-data --config format.exp-use-side-data=yes
$ hg debugformat -v -R up-side-data $ hg debugformat -v -R up-side-data
format-variant repo config default format-variant repo config default
fncache: yes yes yes fncache: yes yes yes
dotencode: yes yes yes dotencode: yes yes yes
generaldelta: yes yes yes generaldelta: yes yes yes
share-safe: no no no share-safe: no no no
sparserevlog: yes yes yes sparserevlog: yes yes yes
sidedata: yes no no sidedata: yes no no
persistent-nodemap: no no no persistent-nodemap: no no no
copies-sdc: no no no copies-sdc: no no no
revlog-v2: yes no no
plain-cl-delta: yes yes yes plain-cl-delta: yes yes yes
compression: zlib zlib zlib compression: zlib zlib zlib
compression-level: default default default compression-level: default default default
$ hg debugformat -v -R up-side-data --config format.exp-use-side-data=no $ hg debugformat -v -R up-side-data --config format.exp-use-side-data=no
format-variant repo config default format-variant repo config default
fncache: yes yes yes fncache: yes yes yes
dotencode: yes yes yes dotencode: yes yes yes
generaldelta: yes yes yes generaldelta: yes yes yes
share-safe: no no no share-safe: no no no
sparserevlog: yes yes yes sparserevlog: yes yes yes
sidedata: yes no no sidedata: yes no no
persistent-nodemap: no no no persistent-nodemap: no no no
copies-sdc: no no no copies-sdc: no no no
revlog-v2: yes no no
plain-cl-delta: yes yes yes plain-cl-delta: yes yes yes
compression: zlib zlib zlib compression: zlib zlib zlib
compression-level: default default default compression-level: default default default
$ hg debugupgraderepo -R up-side-data --config format.exp-use-side-data=no > /dev/null $ hg debugupgraderepo -R up-side-data --config format.exp-use-side-data=no > /dev/null

tests/test-upgrade-repo.t

$ cat > no-revlogv1/.hg/requires << EOF $ cat > no-revlogv1/.hg/requires << EOF
> dotencode > dotencode
> fncache > fncache
> generaldelta > generaldelta
> store > store
> EOF > EOF
$ hg -R no-revlogv1 debugupgraderepo $ hg -R no-revlogv1 debugupgraderepo
abort: cannot upgrade repository; requirement missing: revlogv1 abort: cannot upgrade repository; missing a revlog version
[255] [255]
Cannot upgrade shared repositories Cannot upgrade shared repositories
$ hg init share-parent $ hg init share-parent
$ hg -q share share-parent share-child $ hg -q share share-parent share-child
$ hg -R share-child debugupgraderepo $ hg -R share-child debugupgraderepo
fncache: yes fncache: yes
dotencode: yes dotencode: yes
generaldelta: yes generaldelta: yes
share-safe: no share-safe: no
sparserevlog: yes sparserevlog: yes
sidedata: no sidedata: no
persistent-nodemap: no persistent-nodemap: no
copies-sdc: no copies-sdc: no
revlog-v2: no
plain-cl-delta: yes plain-cl-delta: yes
compression: zlib compression: zlib
compression-level: default compression-level: default
$ hg debugformat --verbose $ hg debugformat --verbose
format-variant repo config default format-variant repo config default
fncache: yes yes yes fncache: yes yes yes
dotencode: yes yes yes dotencode: yes yes yes
generaldelta: yes yes yes generaldelta: yes yes yes
share-safe: no no no share-safe: no no no
sparserevlog: yes yes yes sparserevlog: yes yes yes
sidedata: no no no sidedata: no no no
persistent-nodemap: no no no persistent-nodemap: no no no
copies-sdc: no no no copies-sdc: no no no
revlog-v2: no no no
plain-cl-delta: yes yes yes plain-cl-delta: yes yes yes
compression: zlib zlib zlib compression: zlib zlib zlib
compression-level: default default default compression-level: default default default
$ hg debugformat --verbose --config format.usefncache=no $ hg debugformat --verbose --config format.usefncache=no
format-variant repo config default format-variant repo config default
fncache: yes no yes fncache: yes no yes
dotencode: yes no yes dotencode: yes no yes
generaldelta: yes yes yes generaldelta: yes yes yes
share-safe: no no no share-safe: no no no
sparserevlog: yes yes yes sparserevlog: yes yes yes
sidedata: no no no sidedata: no no no
persistent-nodemap: no no no persistent-nodemap: no no no
copies-sdc: no no no copies-sdc: no no no
revlog-v2: no no no
plain-cl-delta: yes yes yes plain-cl-delta: yes yes yes
compression: zlib zlib zlib compression: zlib zlib zlib
compression-level: default default default compression-level: default default default
$ hg debugformat --verbose --config format.usefncache=no --color=debug $ hg debugformat --verbose --config format.usefncache=no --color=debug
format-variant repo config default format-variant repo config default
[formatvariant.name.mismatchconfig|fncache: ][formatvariant.repo.mismatchconfig| yes][formatvariant.config.special| no][formatvariant.default| yes] [formatvariant.name.mismatchconfig|fncache: ][formatvariant.repo.mismatchconfig| yes][formatvariant.config.special| no][formatvariant.default| yes]
[formatvariant.name.mismatchconfig|dotencode: ][formatvariant.repo.mismatchconfig| yes][formatvariant.config.special| no][formatvariant.default| yes] [formatvariant.name.mismatchconfig|dotencode: ][formatvariant.repo.mismatchconfig| yes][formatvariant.config.special| no][formatvariant.default| yes]
[formatvariant.name.uptodate|generaldelta: ][formatvariant.repo.uptodate| yes][formatvariant.config.default| yes][formatvariant.default| yes] [formatvariant.name.uptodate|generaldelta: ][formatvariant.repo.uptodate| yes][formatvariant.config.default| yes][formatvariant.default| yes]
[formatvariant.name.uptodate|share-safe: ][formatvariant.repo.uptodate| no][formatvariant.config.default| no][formatvariant.default| no] [formatvariant.name.uptodate|share-safe: ][formatvariant.repo.uptodate| no][formatvariant.config.default| no][formatvariant.default| no]
[formatvariant.name.uptodate|sparserevlog: ][formatvariant.repo.uptodate| yes][formatvariant.config.default| yes][formatvariant.default| yes] [formatvariant.name.uptodate|sparserevlog: ][formatvariant.repo.uptodate| yes][formatvariant.config.default| yes][formatvariant.default| yes]
[formatvariant.name.uptodate|sidedata: ][formatvariant.repo.uptodate| no][formatvariant.config.default| no][formatvariant.default| no] [formatvariant.name.uptodate|sidedata: ][formatvariant.repo.uptodate| no][formatvariant.config.default| no][formatvariant.default| no]
[formatvariant.name.uptodate|persistent-nodemap:][formatvariant.repo.uptodate| no][formatvariant.config.default| no][formatvariant.default| no] [formatvariant.name.uptodate|persistent-nodemap:][formatvariant.repo.uptodate| no][formatvariant.config.default| no][formatvariant.default| no]
[formatvariant.name.uptodate|copies-sdc: ][formatvariant.repo.uptodate| no][formatvariant.config.default| no][formatvariant.default| no] [formatvariant.name.uptodate|copies-sdc: ][formatvariant.repo.uptodate| no][formatvariant.config.default| no][formatvariant.default| no]
[formatvariant.name.uptodate|revlog-v2: ][formatvariant.repo.uptodate| no][formatvariant.config.default| no][formatvariant.default| no]
[formatvariant.name.uptodate|plain-cl-delta: ][formatvariant.repo.uptodate| yes][formatvariant.config.default| yes][formatvariant.default| yes] [formatvariant.name.uptodate|plain-cl-delta: ][formatvariant.repo.uptodate| yes][formatvariant.config.default| yes][formatvariant.default| yes]
[formatvariant.name.uptodate|compression: ][formatvariant.repo.uptodate| zlib][formatvariant.config.default| zlib][formatvariant.default| zlib] [formatvariant.name.uptodate|compression: ][formatvariant.repo.uptodate| zlib][formatvariant.config.default| zlib][formatvariant.default| zlib]
[formatvariant.name.uptodate|compression-level: ][formatvariant.repo.uptodate| default][formatvariant.config.default| default][formatvariant.default| default] [formatvariant.name.uptodate|compression-level: ][formatvariant.repo.uptodate| default][formatvariant.config.default| default][formatvariant.default| default]
$ hg debugformat -Tjson $ hg debugformat -Tjson
[ [
{ {
"config": true, "config": true,
"default": true, "default": true,
}, },
{ {
"config": false, "config": false,
"default": false, "default": false,
"name": "copies-sdc", "name": "copies-sdc",
"repo": false "repo": false
}, },
{ {
"config": false,
"default": false,
"name": "revlog-v2",
"repo": false
},
{
"config": true, "config": true,
"default": true, "default": true,
"name": "plain-cl-delta", "name": "plain-cl-delta",
"repo": true "repo": true
}, },
{ {
"config": "zlib", "config": "zlib",
"default": "zlib", "default": "zlib",
fncache: no fncache: no
dotencode: no dotencode: no
generaldelta: no generaldelta: no
share-safe: no share-safe: no
sparserevlog: no sparserevlog: no
sidedata: no sidedata: no
persistent-nodemap: no persistent-nodemap: no
copies-sdc: no copies-sdc: no
revlog-v2: no
plain-cl-delta: yes plain-cl-delta: yes
compression: zlib compression: zlib
compression-level: default compression-level: default
$ hg debugformat --verbose $ hg debugformat --verbose
format-variant repo config default format-variant repo config default
fncache: no yes yes fncache: no yes yes
dotencode: no yes yes dotencode: no yes yes
generaldelta: no yes yes generaldelta: no yes yes
share-safe: no no no share-safe: no no no
sparserevlog: no yes yes sparserevlog: no yes yes
sidedata: no no no sidedata: no no no
persistent-nodemap: no no no persistent-nodemap: no no no
copies-sdc: no no no copies-sdc: no no no
revlog-v2: no no no
plain-cl-delta: yes yes yes plain-cl-delta: yes yes yes
compression: zlib zlib zlib compression: zlib zlib zlib
compression-level: default default default compression-level: default default default
$ hg debugformat --verbose --config format.usegeneraldelta=no $ hg debugformat --verbose --config format.usegeneraldelta=no
format-variant repo config default format-variant repo config default
fncache: no yes yes fncache: no yes yes
dotencode: no yes yes dotencode: no yes yes
generaldelta: no no yes generaldelta: no no yes
share-safe: no no no share-safe: no no no
sparserevlog: no no yes sparserevlog: no no yes
sidedata: no no no sidedata: no no no
persistent-nodemap: no no no persistent-nodemap: no no no
copies-sdc: no no no copies-sdc: no no no
revlog-v2: no no no
plain-cl-delta: yes yes yes plain-cl-delta: yes yes yes
compression: zlib zlib zlib compression: zlib zlib zlib
compression-level: default default default compression-level: default default default
$ hg debugformat --verbose --config format.usegeneraldelta=no --color=debug $ hg debugformat --verbose --config format.usegeneraldelta=no --color=debug
format-variant repo config default format-variant repo config default
[formatvariant.name.mismatchconfig|fncache: ][formatvariant.repo.mismatchconfig| no][formatvariant.config.default| yes][formatvariant.default| yes] [formatvariant.name.mismatchconfig|fncache: ][formatvariant.repo.mismatchconfig| no][formatvariant.config.default| yes][formatvariant.default| yes]
[formatvariant.name.mismatchconfig|dotencode: ][formatvariant.repo.mismatchconfig| no][formatvariant.config.default| yes][formatvariant.default| yes] [formatvariant.name.mismatchconfig|dotencode: ][formatvariant.repo.mismatchconfig| no][formatvariant.config.default| yes][formatvariant.default| yes]
[formatvariant.name.mismatchdefault|generaldelta: ][formatvariant.repo.mismatchdefault| no][formatvariant.config.special| no][formatvariant.default| yes] [formatvariant.name.mismatchdefault|generaldelta: ][formatvariant.repo.mismatchdefault| no][formatvariant.config.special| no][formatvariant.default| yes]
[formatvariant.name.uptodate|share-safe: ][formatvariant.repo.uptodate| no][formatvariant.config.default| no][formatvariant.default| no] [formatvariant.name.uptodate|share-safe: ][formatvariant.repo.uptodate| no][formatvariant.config.default| no][formatvariant.default| no]
[formatvariant.name.mismatchdefault|sparserevlog: ][formatvariant.repo.mismatchdefault| no][formatvariant.config.special| no][formatvariant.default| yes] [formatvariant.name.mismatchdefault|sparserevlog: ][formatvariant.repo.mismatchdefault| no][formatvariant.config.special| no][formatvariant.default| yes]
[formatvariant.name.uptodate|sidedata: ][formatvariant.repo.uptodate| no][formatvariant.config.default| no][formatvariant.default| no] [formatvariant.name.uptodate|sidedata: ][formatvariant.repo.uptodate| no][formatvariant.config.default| no][formatvariant.default| no]
[formatvariant.name.uptodate|persistent-nodemap:][formatvariant.repo.uptodate| no][formatvariant.config.default| no][formatvariant.default| no] [formatvariant.name.uptodate|persistent-nodemap:][formatvariant.repo.uptodate| no][formatvariant.config.default| no][formatvariant.default| no]
[formatvariant.name.uptodate|copies-sdc: ][formatvariant.repo.uptodate| no][formatvariant.config.default| no][formatvariant.default| no] [formatvariant.name.uptodate|copies-sdc: ][formatvariant.repo.uptodate| no][formatvariant.config.default| no][formatvariant.default| no]
[formatvariant.name.uptodate|revlog-v2: ][formatvariant.repo.uptodate| no][formatvariant.config.default| no][formatvariant.default| no]
[formatvariant.name.uptodate|plain-cl-delta: ][formatvariant.repo.uptodate| yes][formatvariant.config.default| yes][formatvariant.default| yes] [formatvariant.name.uptodate|plain-cl-delta: ][formatvariant.repo.uptodate| yes][formatvariant.config.default| yes][formatvariant.default| yes]
[formatvariant.name.uptodate|compression: ][formatvariant.repo.uptodate| zlib][formatvariant.config.default| zlib][formatvariant.default| zlib] [formatvariant.name.uptodate|compression: ][formatvariant.repo.uptodate| zlib][formatvariant.config.default| zlib][formatvariant.default| zlib]
[formatvariant.name.uptodate|compression-level: ][formatvariant.repo.uptodate| default][formatvariant.config.default| default][formatvariant.default| default] [formatvariant.name.uptodate|compression-level: ][formatvariant.repo.uptodate| default][formatvariant.config.default| default][formatvariant.default| default]
$ hg debugupgraderepo $ hg debugupgraderepo
repository lacks features recommended by current config options: repository lacks features recommended by current config options:
fncache fncache
long and reserved filenames may not work correctly; repository performance is sub-optimal long and reserved filenames may not work correctly; repository performance is sub-optimal
fncache: yes yes yes fncache: yes yes yes
dotencode: yes yes yes dotencode: yes yes yes
generaldelta: yes yes yes generaldelta: yes yes yes
share-safe: no no no share-safe: no no no
sparserevlog: yes yes yes sparserevlog: yes yes yes
sidedata: no no no sidedata: no no no
persistent-nodemap: no no no persistent-nodemap: no no no
copies-sdc: no no no copies-sdc: no no no
revlog-v2: no no no
plain-cl-delta: yes yes yes plain-cl-delta: yes yes yes
compression: zstd zlib zlib compression: zstd zlib zlib
compression-level: default default default compression-level: default default default
$ cat .hg/requires $ cat .hg/requires
dotencode dotencode
fncache fncache
generaldelta generaldelta
revlog-compression-zstd revlog-compression-zstd
fncache: yes yes yes fncache: yes yes yes
dotencode: yes yes yes dotencode: yes yes yes
generaldelta: yes yes yes generaldelta: yes yes yes
share-safe: no no no share-safe: no no no
sparserevlog: yes yes yes sparserevlog: yes yes yes
sidedata: no no no sidedata: no no no
persistent-nodemap: no no no persistent-nodemap: no no no
copies-sdc: no no no copies-sdc: no no no
revlog-v2: no no no
plain-cl-delta: yes yes yes plain-cl-delta: yes yes yes
compression: zlib zlib zlib compression: zlib zlib zlib
compression-level: default default default compression-level: default default default
$ cat .hg/requires $ cat .hg/requires
dotencode dotencode
fncache fncache
generaldelta generaldelta
revlogv1 revlogv1
fncache: yes yes yes fncache: yes yes yes
dotencode: yes yes yes dotencode: yes yes yes
generaldelta: yes yes yes generaldelta: yes yes yes
share-safe: no no no share-safe: no no no
sparserevlog: yes yes yes sparserevlog: yes yes yes
sidedata: no no no sidedata: no no no
persistent-nodemap: no no no persistent-nodemap: no no no
copies-sdc: no no no copies-sdc: no no no
revlog-v2: no no no
plain-cl-delta: yes yes yes plain-cl-delta: yes yes yes
compression: zstd zstd zlib compression: zstd zstd zlib
compression-level: default default default compression-level: default default default
$ cat .hg/requires $ cat .hg/requires
dotencode dotencode
fncache fncache
generaldelta generaldelta
revlog-compression-zstd revlog-compression-zstd
revlogv1 revlogv1
sparserevlog sparserevlog
store store
#endif #endif
Check upgrading to a side-data revlog Check upgrading to a side-data revlog
------------------------------------- -------------------------------------
upgrade upgrade
$ hg --config format.exp-use-side-data=yes debugupgraderepo --run --no-backup --config "extensions.sidedata=$TESTDIR/testlib/ext-sidedata.py" --quiet $ hg --config format.exp-use-side-data=yes debugupgraderepo --run --no-backup --config "extensions.sidedata=$TESTDIR/testlib/ext-sidedata.py" --quiet
upgrade will perform the following actions: upgrade will perform the following actions:
requirements requirements
preserved: dotencode, fncache, generaldelta, revlogv1, store (no-zstd !) preserved: dotencode, fncache, generaldelta, store (no-zstd !)
preserved: dotencode, fncache, generaldelta, revlog-compression-zstd, revlogv1, sparserevlog, store (zstd !) preserved: dotencode, fncache, generaldelta, revlog-compression-zstd, sparserevlog, store (zstd !)
added: exp-sidedata-flag (zstd !) removed: revlogv1
added: exp-sidedata-flag, sparserevlog (no-zstd !) added: exp-revlogv2.2, exp-sidedata-flag (zstd !)
added: exp-revlogv2.2, exp-sidedata-flag, sparserevlog (no-zstd !)
processed revlogs: processed revlogs:
- all-filelogs - all-filelogs
- changelog - changelog
- manifest - manifest
$ hg debugformat -v $ hg debugformat -v
format-variant repo config default format-variant repo config default
fncache: yes yes yes fncache: yes yes yes
dotencode: yes yes yes dotencode: yes yes yes
generaldelta: yes yes yes generaldelta: yes yes yes
share-safe: no no no share-safe: no no no
sparserevlog: yes yes yes sparserevlog: yes yes yes
sidedata: yes no no sidedata: yes no no
persistent-nodemap: no no no persistent-nodemap: no no no
copies-sdc: no no no copies-sdc: no no no
revlog-v2: yes no no
plain-cl-delta: yes yes yes plain-cl-delta: yes yes yes
compression: zlib zlib zlib (no-zstd !) compression: zlib zlib zlib (no-zstd !)
compression: zstd zstd zlib (zstd !) compression: zstd zstd zlib (zstd !)
compression-level: default default default compression-level: default default default
$ cat .hg/requires $ cat .hg/requires
dotencode dotencode
exp-revlogv2.2
exp-sidedata-flag exp-sidedata-flag
fncache fncache
generaldelta generaldelta
revlog-compression-zstd (zstd !) revlog-compression-zstd (zstd !)
revlogv1
sparserevlog sparserevlog
store store
$ hg debugsidedata -c 0 $ hg debugsidedata -c 0
2 sidedata entries 2 sidedata entries
entry-0001 size 4 entry-0001 size 4
entry-0002 size 32 entry-0002 size 32
downgrade downgrade
$ hg debugupgraderepo --config format.exp-use-side-data=no --run --no-backup --quiet $ hg debugupgraderepo --config format.exp-use-side-data=no --run --no-backup --quiet
upgrade will perform the following actions: upgrade will perform the following actions:
requirements requirements
preserved: dotencode, fncache, generaldelta, revlogv1, sparserevlog, store (no-zstd !) preserved: dotencode, fncache, generaldelta, sparserevlog, store (no-zstd !)
preserved: dotencode, fncache, generaldelta, revlog-compression-zstd, revlogv1, sparserevlog, store (zstd !) preserved: dotencode, fncache, generaldelta, revlog-compression-zstd, sparserevlog, store (zstd !)
removed: exp-sidedata-flag removed: exp-revlogv2.2, exp-sidedata-flag
added: revlogv1
processed revlogs: processed revlogs:
- all-filelogs - all-filelogs
- changelog - changelog
- manifest - manifest
$ hg debugformat -v $ hg debugformat -v
format-variant repo config default format-variant repo config default
fncache: yes yes yes fncache: yes yes yes
dotencode: yes yes yes dotencode: yes yes yes
generaldelta: yes yes yes generaldelta: yes yes yes
share-safe: no no no share-safe: no no no
sparserevlog: yes yes yes sparserevlog: yes yes yes
sidedata: no no no sidedata: no no no
persistent-nodemap: no no no persistent-nodemap: no no no
copies-sdc: no no no copies-sdc: no no no
revlog-v2: no no no
plain-cl-delta: yes yes yes plain-cl-delta: yes yes yes
compression: zlib zlib zlib (no-zstd !) compression: zlib zlib zlib (no-zstd !)
compression: zstd zstd zlib (zstd !) compression: zstd zstd zlib (zstd !)
compression-level: default default default compression-level: default default default
$ cat .hg/requires $ cat .hg/requires
dotencode dotencode
fncache fncache
generaldelta generaldelta
revlog-compression-zstd (zstd !) revlog-compression-zstd (zstd !)
revlogv1 revlogv1
sparserevlog sparserevlog
store store
$ hg debugsidedata -c 0 $ hg debugsidedata -c 0
upgrade from hgrc upgrade from hgrc
$ cat >> .hg/hgrc << EOF $ cat >> .hg/hgrc << EOF
> [format] > [format]
> exp-use-side-data=yes > exp-use-side-data=yes
> EOF > EOF
$ hg debugupgraderepo --run --no-backup --quiet $ hg debugupgraderepo --run --no-backup --quiet
upgrade will perform the following actions: upgrade will perform the following actions:
requirements requirements
preserved: dotencode, fncache, generaldelta, revlogv1, sparserevlog, store (no-zstd !) preserved: dotencode, fncache, generaldelta, sparserevlog, store (no-zstd !)
preserved: dotencode, fncache, generaldelta, revlog-compression-zstd, revlogv1, sparserevlog, store (zstd !) preserved: dotencode, fncache, generaldelta, revlog-compression-zstd, sparserevlog, store (zstd !)
added: exp-sidedata-flag removed: revlogv1
added: exp-revlogv2.2, exp-sidedata-flag
processed revlogs: processed revlogs:
- all-filelogs - all-filelogs
- changelog - changelog
- manifest - manifest
$ hg debugformat -v $ hg debugformat -v
format-variant repo config default format-variant repo config default
fncache: yes yes yes fncache: yes yes yes
dotencode: yes yes yes dotencode: yes yes yes
generaldelta: yes yes yes generaldelta: yes yes yes
share-safe: no no no share-safe: no no no
sparserevlog: yes yes yes sparserevlog: yes yes yes
sidedata: yes yes no sidedata: yes yes no
persistent-nodemap: no no no persistent-nodemap: no no no
copies-sdc: no no no copies-sdc: no no no
revlog-v2: yes yes no
plain-cl-delta: yes yes yes plain-cl-delta: yes yes yes
compression: zlib zlib zlib (no-zstd !) compression: zlib zlib zlib (no-zstd !)
compression: zstd zstd zlib (zstd !) compression: zstd zstd zlib (zstd !)
compression-level: default default default compression-level: default default default
$ cat .hg/requires $ cat .hg/requires
dotencode dotencode
exp-revlogv2.2
exp-sidedata-flag exp-sidedata-flag
fncache fncache
generaldelta generaldelta
revlog-compression-zstd (zstd !) revlog-compression-zstd (zstd !)
revlogv1
sparserevlog sparserevlog
store store
$ hg debugsidedata -c 0 $ hg debugsidedata -c 0
Demonstrate that nothing to perform upgrade will still run all the way through Demonstrate that nothing to perform upgrade will still run all the way through
$ hg debugupgraderepo --run $ hg debugupgraderepo --run
nothing to do nothing to do