tags-cache: skip the filternode step if we are not going to use it
When warming the hgtagsfnodescache, we don't need the actual result, so we can
simply skip the part that "filter" fnode we read from the cache. So provide a
quite visible speed up to the top level `hg debugupdatecache` function.
### data-env-vars.name = mozilla-try-2023-03-22-zstd-sparse-revlog
# benchmark.name = hg.debug.debug-update-cache
# bin-env-vars.hg.flavor = default
# bin-env-vars.hg.py-re2-module = default
# benchmark.variants.pre-state = warm
before: 19.947581
after: 18.916804 (-5.17%, -1.03)
#require no-windows
$ . "$TESTDIR/remotefilelog-library.sh"
$ hg init master
$ cd master
$ echo treemanifest >> .hg/requires
$ cat >> .hg/hgrc <<EOF
> [remotefilelog]
> server=True
> EOF
# uppercase directory name to test encoding
$ mkdir -p A/B
$ echo x > A/B/x
$ hg commit -qAm x
$ cd ..
# shallow clone from full
$ hgcloneshallow ssh://user@dummy/master shallow --noupdate
streaming all changes
5 files to transfer, 449 bytes of data (no-rust !)
transferred 449 bytes in * seconds (*/sec) (glob) (no-rust !)
7 files to transfer, 575 bytes of data (rust !)
transferred 575 bytes in *.* seconds (*) (glob) (rust !)
searching for changes
no changes found
$ cd shallow
$ hg debugrequires
dotencode
dirstate-v2 (dirstate-v2 !)
exp-remotefilelog-repo-req-1
fncache
generaldelta
persistent-nodemap (rust !)
revlog-compression-zstd (zstd !)
revlogv1
share-safe
sparserevlog
store
treemanifest
$ find .hg/store/meta | sort
.hg/store/meta
.hg/store/meta/_a
.hg/store/meta/_a/00manifest.i
.hg/store/meta/_a/_b
.hg/store/meta/_a/_b/00manifest.i
$ hg update
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
1 files fetched over 1 fetches - (1 misses, 0.00% hit ratio) over *s (glob)
$ cat A/B/x
x
$ ls .hg/store/data
$ echo foo > A/B/F
$ hg add A/B/F
$ hg ci -m 'local content'
$ ls .hg/store/data
ca31988f085bfb945cb8115b78fabdee40f741aa
$ cd ..
# shallow clone from shallow
$ hgcloneshallow ssh://user@dummy/shallow shallow2 --noupdate
streaming all changes
6 files to transfer, 1008 bytes of data (no-rust !)
transferred 1008 bytes in * seconds (*/sec) (glob) (no-rust !)
8 files to transfer, 1.11 KB of data (rust !)
transferred 1.11 KB in * seconds (* */sec) (glob) (rust !)
searching for changes
no changes found
$ cd shallow2
$ hg debugrequires
dotencode
dirstate-v2 (dirstate-v2 !)
exp-remotefilelog-repo-req-1
fncache
generaldelta
persistent-nodemap (rust !)
revlog-compression-zstd (zstd !)
revlogv1
share-safe
sparserevlog
store
treemanifest
$ ls .hg/store/data
ca31988f085bfb945cb8115b78fabdee40f741aa
$ hg update
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cat A/B/x
x
$ cd ..
# full clone from shallow
# - send stderr to /dev/null because the order of stdout/err causes
# flakiness here
$ hg clone --noupdate ssh://user@dummy/shallow full 2>/dev/null
streaming all changes
[100]
# getbundle full clone
$ printf '[server]\npreferuncompressed=False\n' >> master/.hg/hgrc
$ hgcloneshallow ssh://user@dummy/master shallow3
requesting all changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 0 changes to 0 files
new changesets 18d955ee7ba0
updating to branch default
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ ls shallow3/.hg/store/data
$ hg debugrequires -R shallow3/
dotencode
dirstate-v2 (dirstate-v2 !)
exp-remotefilelog-repo-req-1
fncache
generaldelta
persistent-nodemap (rust !)
revlog-compression-zstd (zstd !)
revlogv1
share-safe
sparserevlog
store
treemanifest