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2013-02-09Move Git::SVN::get_tz to Git::get_tz_offsetLibravatar Ben Walton1-2/+6
This function has utility outside of the SVN module for any routine that needs the equivalent of GNU strftime's %z formatting option. Move it to the top-level Git.pm so that non-SVN modules don't need to import the SVN module to use it. The rename makes the purpose of the function clearer. Signed-off-by: Ben Walton <bdwalton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-12-17git-svn, perl/Git.pm: extend and use Git->prompt method for querying usersLibravatar Sven Strickroth1-9/+7
git-svn reads usernames and other user queries from an interactive terminal. This cause GUIs (w/o STDIN connected) to hang waiting forever for git-svn to complete (http://code.google.com/p/tortoisegit/issues/detail?id=967). This change extends the Git::prompt helper, so that it can also be used for non password queries, and makes use of it instead of using hand-rolled prompt-response code that only works with the interactive terminal. Signed-off-by: Sven Strickroth <email@cs-ware.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-12-17git-svn, perl/Git.pm: add central method for prompting passwordsLibravatar Sven Strickroth1-19/+1
git-svn reads passwords from an interactive terminal or by using GIT_ASKPASS helper tool. This cause GUIs (w/o STDIN connected) to hang waiting forever for git-svn to complete (http://code.google.com/p/tortoisegit/issues/detail?id=967). Commit 56a853b62c0ae7ebaad0a7a0a704f5ef561eb795 also tried to solve this issue, but was incomplete as described above. Instead of using hand-rolled prompt-response code that only works with the interactive terminal, a reusable prompt() method is introduced in this commit. Signed-off-by: Sven Strickroth <email@cs-ware.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-10-10git svn: work around SVN 1.7 mishandling of svn:special changesLibravatar Jonathan Nieder1-1/+24
Subversion represents symlinks as ordinary files with content starting with "link " and the svn:special property set to "*". Thus a file can switch between being a symlink and a non-symlink simply by toggling its svn:special property, and new checkouts will automatically write a file of the appropriate type. Likewise, in subversion 1.6 and older, running "svn update" would notice changes in filetype and update the working copy appropriately. Starting in subversion 1.7 (issue 4091), changes to the svn:special property trip an assertion instead: $ svn up svn-tree Updating 'svn-tree': svn: E235000: In file 'subversion/libsvn_wc/update_editor.c' \ line 1583: assertion failed (action == svn_wc_conflict_action_edit \ || action == svn_wc_conflict_action_delete || action == \ svn_wc_conflict_action_replace) Revisions prepared with ordinary svn commands ("svn add" and not "svn propset") don't trip this because they represent these filetype changes using a replace operation, which is approximately equivalent to removal followed by adding a new file and works fine. Follow suit. Noticed using t9100. After this change, git-svn's file-to-symlink changes are sent in a format that modern "svn update" can handle and tests t9100.11-13 pass again. [ew: s,git-svn\.perl,perl/Git/SVN/Editor.pm,g] Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Eric Wong <normalperson@yhbt.net>
2012-10-05git-svn: keep leading slash when canonicalizing paths (fallback case)Libravatar Jonathan Nieder1-1/+0
Subversion's svn_dirent_canonicalize() and svn_path_canonicalize() APIs keep a leading slash in the return value if one was present on the argument, which can be useful since it allows relative and absolute paths to be distinguished. When git-svn's canonicalize_path() learned to use these functions if available, its semantics changed in the corresponding way. Some new callers rely on the leading slash --- for example, if the slash is stripped out then _canonicalize_url_ourselves() will transform "proto://host/path/to/resource" to "proto://hostpath/to/resource". Unfortunately the fallback _canonicalize_path_ourselves(), used when the appropriate SVN APIs are not usable, still follows the old semantics, so if that code path is exercised then it breaks. Fix it to follow the new convention. Noticed by forcing the fallback on and running tests. Without this patch, t9101.4 fails: Bad URL passed to RA layer: Unable to open an ra_local session to \ URL: Local URL 'file://homejrnsrcgit-scratch/t/trash%20directory.\ t9101-git-svn-props/svnrepo' contains unsupported hostname at \ /home/jrn/src/git-scratch/perl/blib/lib/Git/SVN.pm line 148 With it, the git-svn tests pass again. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Eric Wong <normalperson@yhbt.net>
2012-10-05git-svn: use path accessor for Git::SVN objectsLibravatar Eric Wong1-1/+1
The accessors should improve maintainability and enforce consistent access to Git::SVN objects. Signed-off-by: Eric Wong <normalperson@yhbt.net> Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
2012-10-05Make git-svn branch patterns match complete URLLibravatar Ammon Riley1-1/+3
When using the {word,[...]} style of configuration for tags and branches, it appears the intent is to only match whole path parts, since the words in the {} pattern are meta-character quoted. When the pattern word appears in the beginning or middle of the url, it's matched completely, since the left side, pattern, and (non-empty) right side are joined together with path separators. However, when the pattern word appears at the end of the URL, the right side is an empty pattern, and the resulting regex matches more than just the specified pattern. For example, if you specify something along the lines of branches = branches/project/{release_1,release_2} and your repository also contains "branches/project/release_1_2", you will also get the release_1_2 branch. By restricting the match regex with anchors, this is avoided. Signed-off-by: Ammon Riley <ammon.riley@gmail.com> Signed-off-by: Eric Wong <normalperson@yhbt.net>
2012-08-02git-svn: canonicalize newly-minted URLsLibravatar Michael G. Schwern1-1/+8
Go through all the spots that use the new add_path_to_url() to make a new URL and canonicalize them. * copyfrom_path has to be canonicalized else find_parent_branch will get confused * due to the `canonicalize_url($full_url) ne $full_url)` line of logic in gs_do_switch(), $full_url is left alone until after. At this point SVN 1.7 passes except for 3 tests in t9100-git-svn-basic.sh that look like an SVN bug to do with symlinks. [ew: commit title] Signed-off-by: Eric Wong <normalperson@yhbt.net>
2012-08-02git-svn: introduce add_path_to_url functionLibravatar Michael G. Schwern2-4/+31
Remove the ad-hoc versions. This is mostly to normalize the process and ensure the URLs produced don't have double slashes or anything. Also provides a place to fix the corner case where a file path contains a percent sign. [ew: commit title] Signed-off-by: Eric Wong <normalperson@yhbt.net>
2012-08-02git-svn: canonicalize earlierLibravatar Michael G. Schwern1-2/+2
Just a few things I noticed. Its good to canonicalize as early as possible. [ew: commit title] Signed-off-by: Eric Wong <normalperson@yhbt.net>
2012-08-02git-svn: replace URL escapes with canonicalizationLibravatar Michael G. Schwern1-22/+5
The old hand-rolled URL escape functions were inferior to canonicalization functions. Continuing to move towards getting everything canonicalizing the same way. * Git::SVN->init_remote_config and Git::SVN::Ra->minimize_url both have to canonicalize the same way else init_remote_config will incorrectly think they're different URLs causing t9107-git-svn-migrate.sh to fail. [ew: commit title] Signed-off-by: Eric Wong <normalperson@yhbt.net>
2012-08-02git-svn: attempt to mimic SVN 1.7 URL canonicalizationLibravatar Michael G. Schwern1-2/+17
Previously, our URL canonicalization didn't do much of anything. Now it actually escapes and collapses slashes. This is mostly a cut & paste of escape_url from git-svn. This is closer to how SVN 1.7's canonicalization behaves. Doing it with 1.6 lets us chase down some problems caused by more effective canonicalization without having to deal with all the other 1.7 issues on top of that. * Remote URLs have to be canonicalized otherwise Git::SVN->find_existing_remote will think they're different. * The SVN remote is now written to the git config canonicalized. That should be ok. Adjust a test to account for that. [ew: commit title] Signed-off-by: Eric Wong <normalperson@yhbt.net>
2012-08-02Git::SVN{,::Ra}: canonicalize earlierLibravatar Michael G. Schwern1-1/+5
This canonicalizes paths and urls as early as possible so we don't have to remember to do it at the point of use. It will fix a swath of SVN 1.7 problems in one go. Its ok to double canonicalize things. SVN 1.7 still fails, still not worrying about that. [ew: commit title] Signed-off-by: Eric Wong <normalperson@yhbt.net>
2012-08-02git-svn: path canonicalization uses SVN APILibravatar Michael G. Schwern1-0/+24
All tests pass with SVN 1.6. SVN 1.7 remains broken, not worrying about it yet. SVN changed its path canonicalization API between 1.6 and 1.7. http://svnbook.red-bean.com/en/1.6/svn.developer.usingapi.html#svn.developer.usingapi.urlpath http://svnbook.red-bean.com/en/1.7/svn.developer.usingapi.html#svn.developer.usingapi.urlpath The SVN API does not accept foo/.. but it also doesn't canonicalize it. We have to do it ourselves. [ew: commit title, fall back if SVN <= 1.6 fails to canonicalize] Signed-off-by: Eric Wong <normalperson@yhbt.net>
2012-08-02Git::SVN::Utils: remove irrelevant commentLibravatar Michael G. Schwern1-2/+0
The code doesn't use File::Spec. [ew: commit title] Signed-off-by: Eric Wong <normalperson@yhbt.net>
2012-08-02git-svn: add join_paths() to safely concatenate pathsLibravatar Michael G. Schwern1-0/+32
Otherwise you might wind up with things like... my $path1 = undef; my $path2 = 'foo'; my $path = $path1 . '/' . $path2; creating '/foo'. Or this... my $path1 = 'foo/'; my $path2 = 'bar'; my $path = $path1 . '/' . $path2; creating 'foo//bar'. Could have used File::Spec, but I'm shying away from it due to SVN 1.7's pickiness about paths. Felt it would be better to have our own we can control completely. [ew: commit title] Signed-off-by: Eric Wong <normalperson@yhbt.net>
2012-08-02git-svn: factor out _collapse_dotdot functionLibravatar Michael G. Schwern1-1/+13
The SVN API functions will not accept ../foo but their canonicalization functions will not collapse it. So we'll have to do it ourselves. _collapse_dotdot() works better than the existing regex did. This will be used shortly when canonicalize_path() starts using the SVN API. [ew: commit title] Signed-off-by: Eric Wong <normalperson@yhbt.net>
2012-08-02git-svn: use SVN 1.7 to canonicalize when possibleLibravatar Michael G. Schwern1-0/+16
No change on SVN 1.6. The tests all pass with SVN 1.6 if canonicalize_url() does nothing, so tests passing doesn't have much meaning. The tests are so messed up right now with SVN 1.7 it isn't really useful to check. They will be useful later. [ew: commit title] Signed-off-by: Eric Wong <normalperson@yhbt.net>
2012-08-02git-svn: move canonicalization to Git::SVN::UtilsLibravatar Michael G. Schwern1-1/+51
So they can be used by others. I'd like to test them, but they're going to become SVN API wrappers shortly and those aren't predictable. No functional change. [ew: commit title] Signed-off-by: Eric Wong <normalperson@yhbt.net>
2012-08-02use Git::SVN{,::RA}->url accessor globallyLibravatar Michael G. Schwern1-3/+3
Note: The structure returned from Git::SVN->read_all_remotes() does not appear to contain objects, so I'm leaving them alone. That's everything converted over to the url and path accessors. No functional change. [ew: commit title] Signed-off-by: Eric Wong <normalperson@yhbt.net>
2012-08-02use Git::SVN->path accessor globallyLibravatar Michael G. Schwern2-4/+4
No functional change. [ew: commit title] Signed-off-by: Eric Wong <normalperson@yhbt.net>
2012-08-02Git::SVN::Ra: use accessor for URLsLibravatar Michael G. Schwern1-11/+27
Later it can canonicalize automatically. A later change will make other things use the accessor. No functional change. [ew: commit title, reformatted accessor to match existing style] Signed-off-by: Eric Wong <normalperson@yhbt.net>
2012-07-27Extract Git::SVN::GlobSpec from git-svn.Libravatar Michael G. Schwern1-0/+59
Straight cut & paste. That's the last class. * Make Git::SVN load it on its own, its the only thing that needs it. Signed-off-by: Eric Wong <normalperson@yhbt.net>
2012-07-27Move Git::IndexInfo into its own file.Libravatar Michael G. Schwern1-0/+1
Straight cut & paste. Didn't require any fixing. Signed-off-by: Eric Wong <normalperson@yhbt.net>
2012-07-27Extract Git::SVN::Migration from git-svn.Libravatar Michael G. Schwern1-0/+258
Straight cut & paste. Signed-off-by: Eric Wong <normalperson@yhbt.net>
2012-07-27Extract Git::SVN::Log from git-svn.Libravatar Michael G. Schwern1-0/+395
Straight cut & paste. Also noticed Git::SVN::Ra wasn't in the compile test. It is now. Signed-off-by: Eric Wong <normalperson@yhbt.net>
2012-07-27Extract some utilities from git-svn to allow extracting Git::SVN.Libravatar Michael G. Schwern1-0/+59
Put them in a new module called Git::SVN::Utils. Yeah, not terribly original and it will be a dumping ground. But its better than having them in the main git-svn program. At least they can be documented and tested. * fatal() is used by many classes. * Change the $can_compress lexical into a function. This should be enough to extract Git::SVN. Signed-off-by: Michael G. Schwern <schwern@pobox.com> Signed-off-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Eric Wong <normalperson@yhbt.net>
2012-06-10git-svn: use YAML format for mergeinfo cache when possibleLibravatar Jonathan Nieder1-0/+93
Since v1.7.0-rc2~11 (git-svn: persistent memoization, 2010-01-30), git-svn has maintained some private per-repository caches in .git/svn/.caches to avoid refetching and recalculating some mergeinfo-related information with every "git svn fetch". These caches use the 'nstore' format from the perl core module Storable, which can be read and written quickly and was designed for transfer over the wire (the 'n' stands for 'network'). This format is endianness-independent and independent of floating-point representation. Unfortunately the format is *not* independent of the perl version --- new perl versions will write files that very old perl cannot read. Worse, the format is not independent of the size of a perl integer. So if you toggle perl's use64bitint compile-time option, then using 'git svn fetch' on your old repositories produces errors like this: Byte order is not compatible at ../../lib/Storable.pm (autosplit into ../../lib/auto/Storable/_retrieve.al) line 380, at /usr/share/perl/5.12/Memoize/Storable.pm line 21 That is, upgrading perl to a version that uses use64bitint for the first time makes git-svn suddenly refuse to fetch in existing repositories. Removing .git/svn/.caches lets git-svn recover. It's time to switch to a platform independent serializer backend with better compatibility guarantees. This patch uses YAML::Any. Other choices were considered: - thawing data from Data::Dumper involves "eval". Doing that without creating a security risk is fussy. - the JSON API works on scalars in memory and doesn't provide a standard way to serialize straight to disk. YAML::Any is reasonably fast and has a pleasant API. In most backends, LoadFile() reads the entire file into a scalar anyway and converts it as a second step, but having an interface that allows the deserialization to happen on the fly without a temporary is still a comfort. YAML::Any is not a core perl module, so we take care to use it when and only when it is available. Installations without that module should fall back to using Storable with all its quirks, keeping their cache files in .git/svn/.caches/*.db Installations with YAML peacefully coexist by keeping a separate set of cache files in .git/svn/.caches/*.yaml. In most cases, switching between is a one-time thing, so it doesn't seem worth the complication to migrate existing caches. The upshot: after this patch, as long as YAML::Any is installed you can move your git repository between machines with different perl installations and "git svn fetch" will work fine. If you do not have YAML::Any, the behavior is unchanged (and in particular does not get any worse). Reported-by: Sandro Weiser <sandro.weiser@informatik.tu-chemnitz.de> Reported-by: Bdale Garbee <bdale@gag.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Eric Wong <normalperson@yhbt.net>
2012-06-10git-svn: make Git::SVN::RA a separate fileLibravatar Jonathan Nieder1-0/+658
This slices off another 600 or so lines from the frighteningly long git-svn.perl script. The Git::SVN::Ra interface is similar enough to SVN::Ra that it is probably safe to ignore most of its implementation on first reading. (Documenting or moving functions that do not fit that pattern is left as an exercise to the interested reader.) [ew: rebased and fixed conflict against commit c26ddce86d7215b4d9687bd4c6b5dd43a3fabf31 (git-svn: platform auth providers are working only on 1.6.15 or newer)] Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Eric Wong <normalperson@yhbt.net>
2012-06-10git-svn: make Git::SVN::Editor a separate fileLibravatar Jonathan Nieder2-1/+538
This makes the git-svn script shorter and less scary for beginners to read through for the first time. Take the opportunity to explain the purpose and basic interface of the Git::SVN::Editor class while at it. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Eric Wong <normalperson@yhbt.net>
2012-05-29git-svn: make Git::SVN::Fetcher a separate fileLibravatar Jonathan Nieder1-0/+602
This patch removes a chunk of code (the Git::SVN::Fetcher consumer of libsvn's tree delta protocol) from git-svn.perl and documents its interface so the hurried reader does not have to read that code right away. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Eric Wong <normalperson@yhbt.net>
2012-05-29git-svn: move Git::SVN::Prompt into its own fileLibravatar Jonathan Nieder1-0/+202
git-svn.perl is very long (around 6500 lines) and although it is nicely split into modules, some new readers do not even notice --- it is too distracting to see all this functionality collected in a single file. Splitting it into multiple files would make it easier for people to read individual modules straight through and to experiment with components separately. Let's start with Git::SVN::Prompt. For simplicity, we install this as a module in the standard search path, just like the existing Git and Git::I18N modules. In the process, add a manpage explaining its interface and that it is not likely to be useful for other projects to avoid confusion. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Eric Wong <normalperson@yhbt.net>