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* t: make PIPE a standard test prerequisiteAdam Spiers2013-04-11
| | | | | | | | | The 'PIPE' test prerequisite was already defined identically by t9010 and t9300, therefore it makes sense to make it a predefined prerequisite. Signed-off-by: Adam Spiers <git@adamspiers.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* vcs-svn: avoid hangs from corrupt deltasJonathan Nieder2011-06-15
| | | | | | | | | | A corrupt Subversion-format delta can request reads past the end of the preimage. Set sliding_view::max_off so such corruption is caught when it appears rather than blocking in an impossible-to-fulfill read() when input is coming from a socket or pipe. Inspired-by: Ramkumar Ramachandra <artagnon@gmail.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
* vcs-svn: implement text-delta handlingDavid Barr2011-05-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* Merge branch 'db/vcs-svn-incremental' into svn-feJonathan Nieder2011-05-26
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This teaches svn-fe to incrementally import into an existing repository (at last!) at the expense of less convenient UI. Think of it as growing pains. This opens the door to many excellent things, and it would be a bad idea to discourage people from building on it for much longer. * db/vcs-svn-incremental: vcs-svn: avoid using ls command twice vcs-svn: use mark from previous import for parent commit vcs-svn: handle filenames with dq correctly vcs-svn: quote paths correctly for ls command vcs-svn: eliminate repo_tree structure vcs-svn: add a comment before each commit vcs-svn: save marks for imported commits vcs-svn: use higher mark numbers for blobs vcs-svn: set up channel to read fast-import cat-blob response Conflicts: t/t9010-svn-fe.sh vcs-svn/fast_export.c vcs-svn/fast_export.h vcs-svn/repo_tree.c vcs-svn/svndump.c
| * vcs-svn: quote paths correctly for ls commandDavid Barr2011-03-07
| | | | | | | | | | | | | | | | | | This bug was found while importing rev 601865 of ASF. [jn: with test] Signed-off-by: David Barr <david.barr@cordelta.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
| * vcs-svn: set up channel to read fast-import cat-blob responseDavid Barr2011-03-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* | tests: make sure input to sed is newline terminatedJonathan Nieder2011-03-29
| | | | | | | | | | | | | | | | | | | | | | POSIX only requires sed to work on text files and because it does not end with a newline, this commit's content is not a text file. Add a newline to fix it. Without this change, OS X sed helpfully adds a newline to actual.message, causing t9010.13 to fail. Reported-by: Torsten Bögershausen <tboegi@web.de> Tested-by: Brian Gernhardt <benji@silverinsanity.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
* | vcs-svn: handle log message with embedded NULJonathan Nieder2011-03-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pass the log message by strbuf instead of as a C-style string and use fwrite instead of printf to write it to fast-import so embedded '\0' bytes can be preserved. Currently "git log" doesn't show the embedded NULs but "git cat-file commit" can. While at it, stop including system headers from repo_tree.h. git source files need to include git-compat-util.h (or cache.h or builtin.h) sooner to ensure the appropriate feature test macros are defined. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
* | vcs-svn: make reading of properties binary-safeJonathan Nieder2011-03-26
|/ | | | | | | | | | | | | | | | | | | | | | svn-fe errors out on revision 59151 of the ASF repository: fatal: invalid dump: unexpected end of file The proximate cause is a property with an embedded NUL character. Previously such anomalies were ignored but commit c9d1c8ba (2010-12-28) introduced a check strlen(val) == len to avoid reading uninitialized data when a property list ends early and unfortunately this test does not distinguish between "foo" followed by EOF and the string "foo\0bar\0baz". Fix it by using buffer_read_binary to read to a strbuf and checking the actual length read. Most consumers of properties still use C-style strings, so in practice an author or log message with embedded NULs will be truncated, but a least this way svn-fe won't error out (fixing the regression). Reported-by: David Barr <david.barr@cordelta.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
* Merge commit 'jn/svn-fe' of git://github.com/gitster/git into svn-feJonathan Nieder2011-02-26
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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
| * vcs-svn: Allow change nodes for root of tree (/)Jonathan Nieder2010-12-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It is not uncommon for a svn repository to include change records for properties at the top level of the tracked tree: Node-path: Node-kind: dir Node-action: change Prop-delta: true Prop-content-length: 43 Content-length: 43 K 10 svn:ignore V 11 build-area PROPS-END Unfortunately a recent svn-fe change (vcs-svn: More dump format sanity checks, 2010-11-19) causes such nodes to be rejected with the error message fatal: invalid dump: path to be modified is missing The repo_tree module does not keep a dirent for the root of the tree. Add a block to the dump parser to take care of this case. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * vcs-svn: Implement Prop-delta handlingDavid Barr2010-11-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The rules for what file is used as delta source for each file are not documented in dump-load-format.txt. Luckily, the Apache Software Foundation repository has rich enough examples to figure out most of the rules: Node-action: replace implies the empty property set and empty text as preimage for deltas. Otherwise, if a copyfrom source is given, that node is the preimage for deltas. Lastly, if none of the above applies and the node path exists in the current revision, then that version forms the basis. [jn: refactored, with tests] Signed-off-by: David Barr <david.barr@cordelta.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * vcs-svn: More dump format sanity checksJonathan Nieder2010-11-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Node-action: change is not appropriate when switching between file and directory or adding a new file. Current svn-fe silently accepts such nodes and the resulting tree has missing files in the "changed when meant to add" case. Node-action: add requires some content (text or directory); there is no such thing as an "intent to add" node in svn dumps. Current svn-fe accepts such contentless adds but produces an invalid fast-import stream that refers to nonexistent mark :0 in response. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * vcs-svn: Reject path nodes without Node-actionJonathan Nieder2010-11-24
| | | | | | | | | | | | | | | | | | It would be better to flag such errors and let the import proceed anyway, but for now it is simpler not to worry about recovery from such weird cases. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * vcs-svn: Eliminate node_ctx.srcRev globalJonathan Nieder2010-11-24
| | | | | | | | | | | | | | | | | | | | | | | | | | The srcRev variable is only used in handle_node(); its purpose is to hold the old mode for a path, to only be used if properties are not being changed. Narrow its scope to make its meaningful lifetime more obvious. No functional change intended. Add some tests as a sanity-check for the simplest case (no renames). Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
| * vcs-svn: Allow simple v3 dumps (no deltas yet)David Barr2010-11-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since the dumpfile version 1 days, the Subversion dump format gained some new fields: - a unique identifier for the repository (version 2 format) - whether the text and properties for a node should be interpreted as deltas - checksums for a delta's preimage - SHA-1 sums as alternatives to the existing MD5 checksums for copy source and the payload (delta). For now what is relevant to us is the Text-delta and Prop-delta fields, since not noticing these causes a dump file to be misinterpreted (see the previous commit). [jn: with tests] Signed-off-by: David Barr <david.barr@cordelta.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | t9010: svnadmin can fail even if availableJonathan Nieder2011-01-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If svn is built against one version of SQLite and run against another, libsvn_subr needlessly errors out in operations that need to make a commit. That is clearly not a bug in git but let us consider the ramifications for the test suite. git-svn uses libsvn directly and is probably broken by that bug; it is right for git-svn tests to fail. The vcs-svn lib, on the other hand, does not use libsvn and the test t9010 only uses svn to check its work. This points to two possible improvements: - do not disable most vcs-svn tests if svn is missing. - skip validation rather than failing it when svn fails. Bring about both by putting the svn invocations into a single test that builds a repo to compare the test-svn-fe result against. The test will always pass but only will set the new SVNREPO test prereq if svn succeeds; and validation using that repo gets an SVNREPO prerequisite so it only runs with working svn installations. Works-around: http://bugs.debian.org/608925 Noticed-by: A Large Angry SCM <gitzilla@gmail.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
* | Merge branch 'jn/svn-fe' (early part)Junio C Hamano2011-01-05
|\ \ | |/ | | | | | | | | | | | | * 'jn/svn-fe' (early part): vcs-svn: Error out for v3 dumps Conflicts: t/t9010-svn-fe.sh
| * vcs-svn: Error out for v3 dumpsJonathan Nieder2010-11-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | By ignoring the Text-Delta and Prop-Delta node fields, current svn-fe happily mistakes deltas for full text and instead of cleanly erroring out, it produces a valid but semantically bogus fast-import stream when fed a dump file in the modern "svnadmin dump --deltas" format. Dump file parsers are supposed to ignore header fields they don't understand (to allow for backward-compatible extensions), but they are also supposed to check the SVN-fs-dump-format-version header to prevent misinterpretation of non backward-compatible extensions. Do so. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | t9010 fails when no svn is availableJunio C Hamano2010-12-09
| | | | | | | | | | | | | | | | | | | | | | | | | | Running test t9010 without svn currently errors out for no good reason. The test uses "svnadmin" without checking if svn is available. This was a regression introduced by b0ad24b (t9010 (svn-fe): Eliminate dependency on svn perl bindings, 2010-10-10) when it stopped including ./lib-git-svn.sh that had the safety. This should fix it. Signed-off-by: Junio C Hamano <gitster@pobox.com>
* | t9010 (svn-fe): Eliminate dependency on svn perl bindingsRamkumar Ramachandra2010-11-23
|/ | | | | | | | | | | Running test t9010 without the SVN:: perl modules currently errors out, for no good reason. We can make these tests easier to read and run by not using the perl libsvn bindings and instead duplicating only the relevant code from lib-git-svn.sh. 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>
* t/t9010-svn-fe.sh: add an +x bit to this testÆvar Arnfjörð Bjarmason2010-08-19
| | | | | Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* t9010 (svn-fe): avoid symlinks in testJonathan Nieder2010-08-14
| | | | | | | | | The svn-fe test fails on Windows in the “svn export” step because of the lack of symlink support. With a less ambitious dump, it passes. Acked-by: Johannes Sixt <j6t@kdbg.org> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* t9010 (svn-fe): use Unix-style path in URIJonathan Nieder2010-08-14
| | | | | | | | | | | | | | | | | | | | Ever since v1.6.3-rc0~101^2~14 (Tests on Windows: $(pwd) must return Windows-style paths, 2009-03-13), there is a subtle difference between $(pwd) and $PWD in tests: the former returns Windows-style paths as might be output by git and the latter Unix-style paths which msys programs tend to prefer. In file:// URIs, Unix-style paths are needed. Before: “svn export” declares it cannot find file://c:/apps/git/git/t/trash directory/simple-svco After: “svn export” successfully finds file:///c/apps/git/git/... Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* SVN dump parserDavid Barr2010-08-14
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>