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2013-01-24svn-fe: allow svnrdump_sim.py to run with Python 3Libravatar John Keeping1-2/+2
The changes to allow this script to run with Python 3 are minimal and do not affect its functionality on the versions of Python 2 that are already supported (2.4 onwards). Signed-off-by: John Keeping <john@keeping.me.uk> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-12-28Add checks to Python scripts for version dependencies.Libravatar Eric S. Raymond1-0/+4
Signed-off-by: Eric S. Raymond <esr@thyrsus.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-07Add a svnrdump-simulator replaying a dump file for testingLibravatar Florian Achleitner1-0/+53
To ease testing without depending on a reachable svn server, this compact python script mimics parts of svnrdumps behaviour. It requires the remote url to start with sim://. Start and end revisions are evaluated. If the requested revision doesn't exist, as it is the case with incremental imports, if no new commit was added, it returns 1 (like svnrdump). To allow using the same dump file for simulating multiple incremental imports, the highest revision can be limited by setting the environment variable SVNRMAX to that value. This simulates the situation where higher revs don't exist yet. Signed-off-by: Florian Achleitner <florian.achleitner.2.6.31@gmail.com> Acked-by: David Michael Barr <b@rr-dav.id.au> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-07remote-svn: add incremental importLibravatar Florian Achleitner1-1/+2
Search for a note attached to the ref to update and read it's 'Revision-number:'-line. Start import from the next svn revision. If there is no next revision in the svn repo, svnrdump terminates with a message on stderr an non-zero return value. This looks a little weird, but there is no other way to know whether there is a new revision in the svn repo. On the start of an incremental import, the parent of the first commit in the fast-import stream is set to the branch name to update. All following commits specify their parent by a mark number. Previous mark files are currently not reused. Signed-off-by: Florian Achleitner <florian.achleitner.2.6.31@gmail.com> Acked-by: David Michael Barr <b@rr-dav.id.au> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-07remote-svn, vcs-svn: Enable fetching to private refsLibravatar Florian Achleitner1-1/+1
The reference to update by the fast-import stream is hard-coded. When fetching from a remote the remote-helper shall update refs in a private namespace, i.e. a private subdir of refs/. This namespace is defined by the 'refspec' capability, that the remote-helper advertises as a reply to the 'capabilities' command. Extend svndump and fast-export to allow passing the target ref. Update svn-fe to be compatible. Signed-off-by: Florian Achleitner <florian.achleitner.2.6.31@gmail.com> Acked-by: David Michael Barr <b@rr-dav.id.au> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-03-28correct spelling: an URL -> a URLLibravatar Jim Meyering1-1/+1
Signed-off-by: Jim Meyering <meyering@redhat.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-05-26vcs-svn: implement text-delta handlingLibravatar David Barr1-4/+1
Handle input in Subversion's dumpfile format, version 3. This is the format produced by "svnrdump dump" and "svnadmin dump --deltas", and the main difference between v3 dumpfiles and the dumpfiles already handled is that these can include nodes whose properties and text are expressed relative to some other node. To handle such nodes, we find which node the text and properties are based on, handle its property changes, use the cat-blob command to request the basis blob from the fast-import backend, use the svndiff0_apply() helper to apply the text delta on the fly, writing output to a temporary file, and then measure that postimage file's length and write its content to the fast-import stream. The temporary postimage file is shared between delta-using nodes to avoid some file system overhead. The svn-fe interface needs to be more complicated to accomodate the backward flow of information from the fast-import backend to svn-fe. The backflow fd is not needed when parsing streams without deltas, though, so existing scripts using svn-fe on v2 dumps should continue to work. NEEDSWORK: generalize interface so caller sets the backflow fd, close temporary file before exiting Signed-off-by: David Barr <david.barr@cordelta.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: David Barr <david.barr@cordelta.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
2011-03-07vcs-svn: set up channel to read fast-import cat-blob responseLibravatar David Barr1-1/+5
Set up some plumbing: teach the svndump lib to pass a file descriptor number to the fast_export lib, representing where cat-blob/ls responses can be read from, and add a get_response_line helper function to the fast_export lib to read a line from that file. Unfortunately this means that svn-fe needs file descriptor 3 to be redirected from somewhere (preferrably the cat-blob stream of a fast-import backend); otherwise it will fail: $ svndump <path> | svn-fe fatal: cannot read from file descriptor 3: Bad file descriptor For the moment, "svn-fe 3</dev/null" works as a workaround but it will not work for very long. A fast-import backend that can retrieve old commits is needed in order to be able to fulfill svn "Node-copyfrom-rev" requests that refer to revs from a previous run. [jn: with new change description] Based-on-patch-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: David Barr <david.barr@cordelta.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
2011-02-26Merge commit 'jn/svn-fe' of git://github.com/gitster/git into svn-feLibravatar Jonathan Nieder1-1/+2
* git://github.com/gitster/git: vcs-svn: Allow change nodes for root of tree (/) vcs-svn: Implement Prop-delta handling vcs-svn: Sharpen parsing of property lines vcs-svn: Split off function for handling of individual properties vcs-svn: Make source easier to read on small screens vcs-svn: More dump format sanity checks vcs-svn: Reject path nodes without Node-action vcs-svn: Delay read of per-path properties vcs-svn: Combine repo_replace and repo_modify functions vcs-svn: Replace = Delete + Add vcs-svn: handle_node: Handle deletion case early vcs-svn: Use mark to indicate nodes with included text vcs-svn: Unclutter handle_node by introducing have_props var vcs-svn: Eliminate node_ctx.mark global vcs-svn: Eliminate node_ctx.srcRev global vcs-svn: Check for errors from open() vcs-svn: Allow simple v3 dumps (no deltas yet) Conflicts: t/t9010-svn-fe.sh vcs-svn/svndump.c
2011-02-11svn-fe: warn about experimental statusLibravatar Jonathan Nieder1-0/+3
svn-fe is young and some coming cleanups might involve backward incompatible UI changes. Add some words of warning to the manual so early adopters that are not following the project closely don't get burned. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-11-24vcs-svn: Check for errors from open()Libravatar Jonathan Nieder1-1/+2
test-svn-fe segfaults when passed a bogus path. Simplify debugging by exiting with a meaningful error message instead. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-08-14svn-fe manual: Clarify warning about deltas in dump filesLibravatar Jonathan Nieder1-1/+4
Those in the know would notice that dump file format version 2 means "svnadmin dump --no-deltas", but for the rest of us, an explicit reminder is useful. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-08-14Update svn-fe manualLibravatar Jonathan Nieder1-8/+6
The svn-fe example does not litter the working directory with .bin files any more (hoorah!). The permissive error handling implies a known bug. We should be flagging iffy input and, even if we continue, reporting it on exit. Cc: David Barr <david.barr@cordelta.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-08-14SVN dump parserLibravatar David Barr1-0/+1
svndump parses data that is in SVN dumpfile format produced by `svnadmin dump` with the help of line_buffer and uses repo_tree and fast_export to emit a git fast-import stream. Based roughly on com.hydrografix.svndump 0.92 from the SvnToCCase project at <http://svn2cc.sarovar.org/>, by Stefan Hegny and others. [rr: allow input from files other than stdin] [jn: with test, more error reporting] Signed-off-by: David Barr <david.barr@cordelta.com> Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-08-03contrib/svn-fe: Add the svn-fe target to .gitignoreLibravatar Ramkumar Ramachandra1-0/+1
Add the svn-fe target to .gitignroe. Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-08-03contrib/svn-fe: Fix IncludePathLibravatar Ramkumar Ramachandra2-2/+2
Include the path "../../vcs-svn" while compiling it in the Makefile and change svn-fe.c to include svndump.h. Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-07-16Add a sample user for the svndump libraryLibravatar Jonathan Nieder4-0/+147
The svn-fe tool takes a Subversion dump file as input and produces a fast-import stream as output. This can be useful as a low-level tool in building other importers, or for debugging the vcs-svn library. make svn-fe make svn-fe.1 to test. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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