In the cpython mercurial repo, recreate the patch using git parameter. It doesnt matter whether the patch file is in gnu style or git style, it will work either way. The formatting difference caused the hunks to fail. I suspect its safer to use hg convert to convert git to hg than using hggit. I used hg quite extensively earlier this year, but switched to git within the last couple months. Well, you are right, that this is definitely one way of doing it. You can also tell git svn not to include the metadata that subversion normally imports, by passing nometadata to the clone or init command.
To create a patch using mq extensions you can do the following. The metadata includes a gitsvnid inside each commit message that git will generate during import. This is the hggit plugin for mercurial, adding the ability to push to and pull from a git server repository from mercurial. Use the ggit option to generate diffs in the git extended diff format. Import or convert code from an existing tool atlassian.
You can provide this file to git svn to help it map the author data more accurately. Add the following lines to your hgrc file and save it. How to create patch series on mercurial and git redmine. So if someone sends the patch in the mercurial format, i just want to apply it to git, instead of applying it to hg first and then converting. The patch files represent a single commit and git replays that commit when you import the patch file. Imagine that on top of the public commit p, you applied wellknown patches x, y and z from somebody else, and then built your threepatch series a, b, c, the history. Easy migration from mercurial to git intertech blog. A typical source import would start the import and then optionally update the authors andor set the preference for using git lfs if large files exist in the import.
You do not need to set this option when importing diffs in this format or using them in the mq. But as i understood it, you need to have the whole repository converted. Administrator guides migrating data importing data from thirdparty version control systems importing data from thirdparty version control systems using the gitimport suite of tools, you can import from subversion, mercurial and team foundation version control to. This is a very nice tool, but only allows you to export stuff fetch an hg repo, and you have to manually run the git fastimport command, setup the marks, and so on. The hggit plugin can convert commitschangesets losslessly from one system to another, so. Patches preferred via email to the hggit mailing list. This means you can collaborate on git based projects from mercurial, or use a git server as a collaboration point for a team with developers using both git. I recently volunteered to lead the charge on migrating my team from mercurial to git. The immediate stimulus was the announcement in april 2005 by bitmover that they were withdrawing the free version of bitkeeper, which had been used for the version control requirements of the. I dont consider myself a hg expert but i know enough to complete 99%. Migrate from svn to git using atlassian conversion utility. The r flag tells hgfastexport where to find the mercurial repository we want to convert, and the a flag tells it where to find the authormapping file branch and.
As explained previously, patches are not guaranteed to apply cleanly to their intended source files. In this tutorial, well explain how to create a patch of the changes on the experimental branch and apply them to the master. You can use hg patch a synonym for hg import just like you would use the regular old patch command. Converting mercurial repositories to git on windows. My mercurial repository was in dos newline format, while my git repository was in unix format. If your patch needs to record any of those things, you will need to enable git patches via. The importer cannot convert git repositories to mercurial repositories or vice versa. This is the same functionality as the github importer. In git, a branch is a pointer to a node of the dag with a userdefined name. Export and import patches with git david walsh blog.
For more information and instructions, see hg help git list of commands. The three primary opensource version control systems git, subversion svn and mercurial all issued updates today to patch for a critical vulnerability that could potentially enable an. Most of us that use git probably only have use github thus is the popularity of their service. The source import api lets you start an import from a git, subversion, mercurial, or team foundation server source repository. Lets have a look at how to export a patch with git. This is the hggit plugin for mercurial, adding the ability to push to and pull from a git server. Most of the company has been on git for a few months, and this particular repositoryof which my team only uses a small portionis. How to create and apply patches in git using diff and. It has become easy to find developers with indepth knowledge of git, while developers with deep knowledge of mercurial are difficult to find. The popularity of git continues to grow and, according to eclipse community survey, has surpassed even svn in the past year.
Mercurials patch routines do not deal well with mixed eoln between source. When you import code from an external git or mercurial repository, the importer simply creates a clone of the repository which is then hosted in bitbucket. Technically, a bookmark and a branch are both the same thing as a tag though living in different namespaces, but the expected usage is different. To generate patches using mq extensions in mercurial, you can follow the below given steps. Importing data from thirdparty version control systems using the gitimport suite of tools, you can import from subversion, mercurial and team foundation version control to. Gits design philosophy is unmistakably that of unix. We will use the git diff command to create the diff output, then redirect it into a file.
I discovered this issue when git formatpatch outputs a. Process new git revisions all at once rather than per changeset. Debugging patch import tofrom mercurial and git repos. While most of the world seems to be using git for version control, mozilla continues to use mercurial hg to manage the firefox source code. Settings used when applying patches, for instance through the import command or with mercurial queues extension. Copy a branch from a mercurial repository to a git repository via patches and git commands transplant hg branch.
As a git and github lover, it took me a while to get used to mercurial. Migrating 140,000 commits from mercurial to git hacker noon. A prerequisite patch is shown as prerequisitepatchid. This can bloat your git log and might make it a bit unclear.
Should you forget to do the explicit copy or move, you can still tell mercurial to detect the changes via hg addremove similarity 100. Selecting git repository in android distributed version control systems. You must commit, revert, or shelve changes before importing a patch. Mercurial import patch fails to screeny if you open from tortoisemerge. Git, svn and mercurial opensource version control systems. Mercurial for git users and vice versa nikolaus raths. Yes, i use fastexport to convert from hg to git on the fly. Importing data from thirdparty version control systems. Bridge support in git for mercurial and bazaar felipe. There are togit conversion tools for converting almost every scm repository to a git repository.