Mercurial > hg
view tests/test-repo-compengines.t @ 47682:78f7f0d490ee
dirstate-v2: Move fixed-size tree metadata into the docket file
Before this changeset, the dirstate-v2 data file contained not only nodes
and paths that may be reused when appending to an existing file,
but also some fixed-size metadata that applies to the entire tree
and was added at the end of the data file for every append.
This moves that metadata into the docket file, so that repeated "append"
operations without meaningful changes don’t actually need to grow any file.
Differential Revision: https://phab.mercurial-scm.org/D11098
author | Simon Sapin <simon.sapin@octobus.net> |
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date | Thu, 15 Jul 2021 23:02:17 +0200 |
parents | 40b51c28b242 |
children | bf11ff22a9af |
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A new repository uses zlib storage, which doesn't need a requirement $ cat << EOF >> $HGRCPATH > [format] > # stabilize test accross variant > revlog-compression=zlib > EOF $ hg init default $ cd default $ cat .hg/requires dotencode exp-dirstate-v2 (dirstate-v2 !) fncache generaldelta persistent-nodemap (rust !) revlogv1 sparserevlog store testonly-simplestore (reposimplestore !) $ touch foo $ hg -q commit -A -m 'initial commit with a lot of repeated repeated repeated text to trigger compression' $ hg debugrevlog -c | grep 0x78 0x78 (x) : 1 (100.00%) 0x78 (x) : 110 (100.00%) $ cd .. Unknown compression engine to format.compression aborts $ hg --config format.revlog-compression=unknown init unknown abort: compression engines "unknown" defined by format.revlog-compression not available (run "hg debuginstall" to list available compression engines) [255] unknown compression engine in a list with known one works fine $ hg --config format.revlog-compression=zlib,unknown init zlib-before-unknow $ hg --config format.revlog-compression=unknown,zlib init unknown-before-zlib A requirement specifying an unknown compression engine results in bail $ hg init unknownrequirement $ cd unknownrequirement $ echo exp-compression-unknown >> .hg/requires $ hg log abort: repository requires features unknown to this Mercurial: exp-compression-unknown (see https://mercurial-scm.org/wiki/MissingRequirement for more information) [255] $ cd .. Specifying a new format.compression on an existing repo won't introduce data with that engine or a requirement $ cd default $ touch bar $ hg --config format.revlog-compression=none -q commit -A -m 'add bar with a lot of repeated repeated repeated text' $ cat .hg/requires dotencode exp-dirstate-v2 (dirstate-v2 !) fncache generaldelta persistent-nodemap (rust !) revlogv1 sparserevlog store testonly-simplestore (reposimplestore !) $ hg debugrevlog -c | grep 0x78 0x78 (x) : 2 (100.00%) 0x78 (x) : 199 (100.00%) $ cd .. #if zstd $ hg --config format.revlog-compression=zstd init zstd $ cd zstd $ cat .hg/requires dotencode exp-dirstate-v2 (dirstate-v2 !) fncache generaldelta persistent-nodemap (rust !) revlog-compression-zstd revlogv1 sparserevlog store testonly-simplestore (reposimplestore !) $ touch foo $ hg -q commit -A -m 'initial commit with a lot of repeated repeated repeated text' $ hg debugrevlog -c | grep 0x28 0x28 : 1 (100.00%) 0x28 : 98 (100.00%) $ cd .. #endif checking zlib options ===================== $ hg init zlib-level-default $ hg init zlib-level-1 $ cat << EOF >> zlib-level-1/.hg/hgrc > [storage] > revlog.zlib.level=1 > EOF $ hg init zlib-level-9 $ cat << EOF >> zlib-level-9/.hg/hgrc > [storage] > revlog.zlib.level=9 > EOF $ commitone() { > repo=$1 > cp $RUNTESTDIR/bundles/issue4438-r1.hg $repo/a > hg -R $repo add $repo/a > hg -R $repo commit -m some-commit > } $ for repo in zlib-level-default zlib-level-1 zlib-level-9; do > commitone $repo > done $ $RUNTESTDIR/f -s */.hg/store/data/* default/.hg/store/data/bar.i: size=64 default/.hg/store/data/foo.i: size=64 zlib-level-1/.hg/store/data/a.i: size=4146 zlib-level-9/.hg/store/data/a.i: size=4138 zlib-level-default/.hg/store/data/a.i: size=4138 zstd/.hg/store/data/foo.i: size=64 (zstd !) Test error cases $ hg init zlib-level-invalid $ cat << EOF >> zlib-level-invalid/.hg/hgrc > [storage] > revlog.zlib.level=foobar > EOF $ commitone zlib-level-invalid config error: storage.revlog.zlib.level is not a valid integer ('foobar') config error: storage.revlog.zlib.level is not a valid integer ('foobar') [30] $ hg init zlib-level-out-of-range $ cat << EOF >> zlib-level-out-of-range/.hg/hgrc > [storage] > revlog.zlib.level=42 > EOF $ commitone zlib-level-out-of-range abort: invalid value for `storage.revlog.zlib.level` config: 42 abort: invalid value for `storage.revlog.zlib.level` config: 42 [255] checking details of none compression ==================================== $ hg init none-compression --config format.revlog-compression=none $ commitone() { > repo=$1 > cp $RUNTESTDIR/bundles/issue4438-r1.hg $repo/a > hg -R $repo add $repo/a > hg -R $repo commit -m some-commit > } $ commitone none-compression $ hg log -R none-compression changeset: 0:68b53da39cd8 tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: some-commit $ cat none-compression/.hg/requires dotencode exp-compression-none exp-dirstate-v2 (dirstate-v2 !) fncache generaldelta persistent-nodemap (rust !) revlogv1 sparserevlog store testonly-simplestore (reposimplestore !) $ $RUNTESTDIR/f -s none-compression/.hg/store/data/* none-compression/.hg/store/data/a.i: size=4216 #if zstd checking zstd options ===================== $ hg init zstd-level-default --config format.revlog-compression=zstd $ hg init zstd-level-1 --config format.revlog-compression=zstd $ cat << EOF >> zstd-level-1/.hg/hgrc > [storage] > revlog.zstd.level=1 > EOF $ hg init zstd-level-22 --config format.revlog-compression=zstd $ cat << EOF >> zstd-level-22/.hg/hgrc > [storage] > revlog.zstd.level=22 > EOF $ commitone() { > repo=$1 > cp $RUNTESTDIR/bundles/issue4438-r1.hg $repo/a > hg -R $repo add $repo/a > hg -R $repo commit -m some-commit > } $ for repo in zstd-level-default zstd-level-1 zstd-level-22; do > commitone $repo > done $ $RUNTESTDIR/f -s zstd-*/.hg/store/data/* zstd-level-1/.hg/store/data/a.i: size=4114 zstd-level-22/.hg/store/data/a.i: size=4091 zstd-level-default/\.hg/store/data/a\.i: size=(4094|4102) (re) Test error cases $ hg init zstd-level-invalid --config format.revlog-compression=zstd $ cat << EOF >> zstd-level-invalid/.hg/hgrc > [storage] > revlog.zstd.level=foobar > EOF $ commitone zstd-level-invalid config error: storage.revlog.zstd.level is not a valid integer ('foobar') config error: storage.revlog.zstd.level is not a valid integer ('foobar') [30] $ hg init zstd-level-out-of-range --config format.revlog-compression=zstd $ cat << EOF >> zstd-level-out-of-range/.hg/hgrc > [storage] > revlog.zstd.level=42 > EOF $ commitone zstd-level-out-of-range abort: invalid value for `storage.revlog.zstd.level` config: 42 abort: invalid value for `storage.revlog.zstd.level` config: 42 [255] #endif