Mercurial > hg-stable
changeset 30651:ea3540e66fd8
convert: config option for git rename limit
By default, Git applies rename and copy detection to 400 files. The
diff.renamelimit config option and -l argument to diff commands can
override this.
As part of converting some repositories in the wild, I was hitting
the default limit. Unfortunately, the warnings that Git prints in this
scenario are swallowed because the process running functionality in
common.py redirects stderr to /dev/null by default. This seems like
a bug, but a bug for another day.
This commit establishes a config option to send the rename limit
through to `git diff-tree`. The added tests demonstrate a too-low
rename limit doesn't result in copy metadata being recorded.
| author | Gregory Szorc <gregory.szorc@gmail.com> |
|---|---|
| date | Sun, 18 Dec 2016 12:53:20 -0800 |
| parents | a3f335d1247c |
| children | 2cab496db1e0 |
| files | hgext/convert/__init__.py hgext/convert/git.py tests/test-convert-git.t tests/test-convert.t |
| diffstat | 4 files changed, 43 insertions(+), 0 deletions(-) [+] |
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--- a/hgext/convert/__init__.py Thu Dec 22 01:09:45 2016 +0900 +++ b/hgext/convert/__init__.py Sun Dec 18 12:53:20 2016 -0800 @@ -320,6 +320,13 @@ is very expensive for large projects, and is only effective when ``convert.git.similarity`` is greater than 0. The default is False. + :convert.git.renamelimit: perform rename and copy detection up to this + many changed files in a commit. Increasing this will make rename + and copy detection more accurate but will significantly slow down + computation on large projects. The option is only relevant if + ``convert.git.similarity`` is greater than 0. The default is + ``400``. + :convert.git.remoteprefix: remote refs are converted as bookmarks with ``convert.git.remoteprefix`` as a prefix followed by a /. The default is 'remote'.
--- a/hgext/convert/git.py Thu Dec 22 01:09:45 2016 +0900 +++ b/hgext/convert/git.py Sun Dec 18 12:53:20 2016 -0800 @@ -78,6 +78,10 @@ False) if findcopiesharder: self.simopt.append('--find-copies-harder') + + renamelimit = ui.configint('convert', 'git.renamelimit', + default=400) + self.simopt.append('-l%d' % renamelimit) else: self.simopt = []
--- a/tests/test-convert-git.t Thu Dec 22 01:09:45 2016 +0900 +++ b/tests/test-convert-git.t Sun Dec 18 12:53:20 2016 -0800 @@ -374,6 +374,31 @@ A bar-copied2 bar +renamelimit config option works + + $ cd git-repo2 + $ cp bar bar-copy0 + $ echo 0 >> bar-copy0 + $ cp bar bar-copy1 + $ echo 1 >> bar-copy1 + $ git add bar-copy0 bar-copy1 + $ commit -a -m 'copy bar 2 times' + $ cd .. + + $ hg -q convert --config convert.git.renamelimit=1 \ + > --config convert.git.findcopiesharder=true --datesort git-repo2 fullrepo2 + $ hg -R fullrepo2 status -C --change master + A bar-copy0 + A bar-copy1 + + $ hg -q convert --config convert.git.renamelimit=100 \ + > --config convert.git.findcopiesharder=true --datesort git-repo2 fullrepo3 + $ hg -R fullrepo3 status -C --change master + A bar-copy0 + bar + A bar-copy1 + bar + test binary conversion (issue1359) $ count=19
--- a/tests/test-convert.t Thu Dec 22 01:09:45 2016 +0900 +++ b/tests/test-convert.t Sun Dec 18 12:53:20 2016 -0800 @@ -261,6 +261,13 @@ for large projects, and is only effective when "convert.git.similarity" is greater than 0. The default is False. + convert.git.renamelimit + perform rename and copy detection up to this many changed + files in a commit. Increasing this will make rename and copy + detection more accurate but will significantly slow down + computation on large projects. The option is only relevant + if "convert.git.similarity" is greater than 0. The default + is "400". convert.git.remoteprefix remote refs are converted as bookmarks with "convert.git.remoteprefix" as a prefix followed by a /. The