Mercurial > hg
view tests/test-merge-symlinks.t @ 46472:98e39f04d60e
upgrade: implement partial upgrade for upgrading persistent-nodemap
Upgrading repositories to use persistent nodemap should be fast and easy as it
requires only two things:
1) Updating the requirements
2) Writing a persistent-nodemap on disk
For both of the steps above, we don't need to edit existing revlogs.
This patch makes upgrade only do the above mentioned two steps if we are
only upgarding to use persistent-nodemap feature.
Since `nodemap.persist_nodemap()` assumes that there exists a nodemap file for
the given revlog if we are trying to call it, this patch adds `force` argument
to create a file if does not exist which is true in our upgrade case.
The test changes demonstrate that we no longer write nodemap files for manifest
after upgrade which I think is desirable.
Differential Revision: https://phab.mercurial-scm.org/D9936
author | Pulkit Goyal <7895pulkit@gmail.com> |
---|---|
date | Mon, 01 Feb 2021 00:02:00 +0530 |
parents | 2b4c8fa08504 |
children | 42d2b31cee0b |
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$ cat > echo.py <<EOF > #!$PYTHON > from __future__ import absolute_import, print_function > import os > import sys > try: > import msvcrt > msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY) > msvcrt.setmode(sys.stderr.fileno(), os.O_BINARY) > except ImportError: > pass > > for k in ('HG_FILE', 'HG_MY_ISLINK', 'HG_OTHER_ISLINK', 'HG_BASE_ISLINK'): > print(k, os.environ[k]) > EOF Create 2 heads containing the same file, once as a file, once as a link. Bundle was generated with: # hg init t # cd t # echo a > a # hg ci -qAm t0 -d '0 0' # echo l > l # hg ci -qAm t1 -d '1 0' # hg up -C 0 # ln -s a l # hg ci -qAm t2 -d '2 0' # echo l2 > l2 # hg ci -qAm t3 -d '3 0' $ hg init t $ cd t $ hg -q unbundle "$TESTDIR/bundles/test-merge-symlinks.hg" $ hg up -C 3 3 files updated, 0 files merged, 0 files removed, 0 files unresolved Merge them and display *_ISLINK vars merge heads $ hg merge --tool="\"$PYTHON\" ../echo.py" merging l HG_FILE l HG_MY_ISLINK 1 HG_OTHER_ISLINK 0 HG_BASE_ISLINK 0 0 files updated, 1 files merged, 0 files removed, 0 files unresolved (branch merge, don't forget to commit) Test working directory symlink bit calculation wrt copies, especially on non-supporting systems. merge working directory $ hg up -C 2 1 files updated, 0 files merged, 1 files removed, 0 files unresolved $ hg copy l l2 $ HGMERGE="\"$PYTHON\" ../echo.py" hg up 3 merging l2 HG_FILE l2 HG_MY_ISLINK 1 HG_OTHER_ISLINK 0 HG_BASE_ISLINK 0 0 files updated, 1 files merged, 0 files removed, 0 files unresolved $ cd ..