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A mercurial to git converter using git-fast-import
Home Page: http://repo.or.cz/w/fast-export.git
This project forked from frej/fast-export
A mercurial to git converter using git-fast-import
Home Page: http://repo.or.cz/w/fast-export.git
hg-fast-export.(sh|py) - mercurial to git converter using git-fast-import Legal ===== Most hg-* scripts are licensed under the MIT license[0] and were written by Rocco Rutte <[email protected]> with hints and help from the git list and #mercurial on freenode. hg-reset.py is licensed under GPLv2 since it copies some code from the mercurial sources. The current maintainer is Frej Drejhammar <[email protected]>. Usage ===== Using hg-fast-export is quite simple for a mercurial repository <repo>: mkdir repo-git # or whatever cd repo-git git init hg-fast-export.sh -r <repo> Incremental imports to track hg repos is supported, too. Using hg-reset it is quite simple within a git repository that is hg-fast-export'ed from mercurial: hg-reset.sh -R <revision> will give hints on which branches need adjustment for starting over again. As mercurial appears to be much less picky about the syntax of the author information than git, an author mapping file can be given to hg-fast-export to fix up malformed author strings. The file is specified using the -A option. The file should contain lines of the form "FromAuthor=ToAuthor". The example authors.map below will translate "User <garbage<[email protected]>" to "User <[email protected]>". -- Start of authors.map -- User <garbage<[email protected]>=User <[email protected]> -- End of authors.map -- Notes/Limitations ================= hg-fast-export supports multiple branches but only named branches with exaclty one head each. Otherwise commits to the tip of these heads within branch will get flattened into merge commits. As each git-fast-import run creates a new pack file, it may be required to repack the repository quite often for incremental imports (especially when importing a small number of changesets per incremental import). The way the hg API and remote access protocol is designed it is not possible to use hg-fast-export on remote repositories (http/ssh). First clone the repository, then convert it. Design ====== hg-fast-export.py was designed in a way that doesn't require a 2-pass mechanism or any prior repository analysis: if just feeds what it finds into git-fast-import. This also implies that it heavily relies on strictly linear ordering of changesets from hg, i.e. its append-only storage model so that changesets hg-fast-export already saw never get modified. Submitting Patches ================== Please use the issue-tracker at github https://github.com/frej/fast-export to report bugs and submit patches. Footnotes ========= [0] http://www.opensource.org/licenses/mit-license.php
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