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Merge commits can be created when following certain parents,
(most notably 'R' cases) and we definitely don't want to exclude
them.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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* dcommit no longer requires the correct -i/GIT_SVN_ID option
passed to it. Since you're committing from HEAD (or another
commit that is a parent of HEAD), you'll be able to find
a commit with metadata information containing the SVN URL
that your HEAD was descended from anyways.
* I don't think dcommit ever worked for people using the
noMetadata option; so I don't think relying on metadata
is an issue.
* useSvmProps users shouldn't commit to SVN::Mirror created
repositories anyways, right?
* Users of globbing should automatically be able to commit
to paths that are not explicitly set in .git/config
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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A manual test that sets up a repository that looks like an SVK depot,
and then imports it to check that it looks like we mirrored the
'original' source.
There is also a minor modification to the git-svn test library shell
file which sets a variable for the subversion repository's filesystem
path.
[ew: made some of the tests stricter and more thorough]
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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multi-init did not write a svn-remote.<remote>.url config
entry without a --trunk argument.
Also, The svm:mirror property is used by SVN::Mirror to track
the path of the repository that we are mirroring. We need to
append that to the source (which is (presumably) just the URL of
the repository root).
Lastly, we now look harder for svm:(source|mirror|uuid) properties
in sub and parent directories. Since our relative path could
be tweaked.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Even if nothing touched paths we care about in a fetch;
increment the maxRev like we do with rev_db since
we don't like having to run get_log on revisions we've
seen before.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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We need a separate .rev_db file for each repository we're
tracking. This allows us to track the same logical path off
multiple mirrors. We preserve a symlink to the old .rev_db
(no-UUID) if we're (auto-)migrating from an old version to
preserve backwards compatibility.
Also, get rid of the uuid() wrapper since we cache UUID in our
private config, and the SVN::Ra::get_uuid() function memoizes
the return value per-connection.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Make sure we flush our userspace buffers and and fsync(2)
.rev_db information to disk if we use these options because
we really don't want to lose this information.
Also, disallow --use-svm-props and --no-metadata from the
command-line because history will be inconsistent if they're
only used occasionally. If a user wants to use these options,
they must be set in the config so they're always on.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Switch max_rev storage over to using it for globbing
branches and tags.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Available options are currently:
svn-remote.<remote>.{noMetadata,useSvmProps,followParent}
These boolean switches will override options set globally in
[svn], and even override options set on the command-line (this
should probably change in the future, however).
Note that the noMetadata and useSvmProps options conflict. It's
both technically and logically impossible to use them together.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Pass --use-svm-props or set the svn.usesvmprops key with git-config
to enable using properties set by SVN::Mirror when it mirrored the
upstream URL.
This is heavily based on work from Sam Vilain:
> From: Sam Vilain <sam@vilain.net>
> Date: Sun, 11 Feb 2007 12:34:45 +1300
> Subject: [PATCH] git-svn: re-map repository URLs and UUIDs on SVK mirror paths
>
> If an SVN revision has a property, "svm:headrev", it is likely that
> the revision was created by SVN::Mirror (a part of SVK). The property
> contains a repository UUID and a revision. We want to make it look
> like we are mirroring the original URL, so introduce a helper function
> that returns the original identity URL and UUID, and use it when
> generating commit messages.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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I may resurrect it for dcommit at some point, but nobody really
uses set-tree anymore and I don't feel like introducing more
complexity into the code at this point.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Several bugs were found and fixed while getting this to work:
* Remember the 'R'(eplace) case of actions and treat it like we
would an 'A'(dd) case.
* Fix a small case of follow-parent missing a parent if a
subdirectory was modified in the revision where the parent was
copied.
* dirents returned by get_dir sometimes expire if the data
structure is too big and the pool is destroyed, so we
cache get_dir (along with check_path and get_revprops)
temporarily along with its pool.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Signed-off-by: Eric Wong <normalperson@yhbt.net>
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I incorrectly used $path/? and $path/* to strip off leading
directories, but places where $path = 'branches/0.17' would
incorrectly strip changes to 'branches/0.17.1' as well.
For globs, we require that our '*' is its own path component
(surrounded by '/' or nothing). Enforce this when --prefix= is
passed to us, too.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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--no-follow-parent disables and reverts it back to the old
default behavior of not following parents (if you don't care for
full history).
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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We don't need them anymore, all the rough points of
the --follow-parent implementation have been worked out.
The only improvement in the future will probably be
--follow-parent-harder, which will track subdirectories and
follow individual file history (so annotate/blame can be
complete); but that is still a ways off.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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These checks were needed before git-svn got smarter about
match_paths() and using path information returned by get_log().
We also have extra checking against fetching revisions
out-of-order these days; so we don't have to worry about that as
much. We also check for tree deletions in match_paths() and
skip those as well.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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We can have a branch that was deleted, then re-added under the
same name but copied from another path, in which case we'll have
multiple parents (we don't want to break the original ref, nor
lose copypath info).
Add a test for this, too, of course.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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This is similar to the way git proper handles refs, except we
use the keys 'branches' and 'tags' to distinguish when we want
to use wildcards.
The left-hand side of the ':' contains the remote path, and must
have one asterisk ('*') in it for the branch name. The asterisk
may be in any component of the path as long as is it on its own
directory level.
The right-hand side contains the refname and must have the
asterisk as the last path component.
branches = branches/*:refs/remotes/*
tags = tags/*:refs/remotes/tags/*
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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This is an optimization that should conserve network
bandwidth on certain repositories and configurations.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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We'll need to rely on path matching to handle wildcard support for branches and
tags.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Update the tests since we no longer write so many things to the
config.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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It can be confusing and redundant, since historically the
default remote ref (not remote itself) has been "git-svn", too.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Since fetch_loop_common starts from the lowest revision number
in a group of Git::SVN objects; we want to avoid refetching
get_log for current users for things we've already cut it.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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This was originally needed before we used the delta fetcher and
had a less-clean follow-parent implementation that could leave
holes in the history.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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It looks better (like [remote "origin"]) instead of whatever
refname came up first in our directory traversal. Of course
--remote= overrides this.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Having 'fetch' entries in the config file created from
--follow-parent is wasteful because it can cause *future* of
invocations to follow revisions we were never interested in
in the first place.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Using buffered IO for reading 40-41 bytes at a time isn't very
efficient. Buffering writes for a short duration is alright
since we close() right away and buffers will be flushed.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Prefill .rev_db to the maximum revision we tried to fetch;
and take advantage of that so we can avoid using get_log()
on ranges we've already seen (and have deemed uninteresting).
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Defer any signals that cause termination while they are
updating; and put the update-ref call as close to the rename()
as possible. Also, make things extra-safe (but slower) for
people using --no-metadata since they can't rely on .rev_db
being rebuilt if it's clobbered (well, I'm calling update-ref
with the -m flag for reflogs, we don't yet have a way to rebuild
.rev_db from reflogs.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Passing very large strings as arguments is bad for memory usage
as it never seems to get freed in Perl. The .rev_db format is
already not optimized for projects with sparse history.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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get_log with explicit paths is the safest way to get revisions
that change a particular path we're interested in.
Unfortunately that means we still have to run get_log multiple
times for each path we're interested in, and even more if
a path gets deleted.
The first argument of get_log() is an array reference, but we
shouldn't use more than one element in that array ref because
the non-existence of _one_ of those paths for a particular range
would cause an error for all paths in that range, so yes, we
need multiple get_log calls to be on the safe side...
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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We don't always know that a path will exist at a particular
revision.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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--svn-remote allows the default remote name to be overridden (useful
for tracking multiple SVN repositories).
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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We no longer delete the top-level directory even if it got
deleted from the upstream repository. In gs_do_update; we
double-check that the path we're tracking exists at both
endpoints before proceeding. We have also added additional
protection against fetching revisions out-of-order.
To simplify our internal interfaces, I've disabled passing the
'recursive' flag to the gs_do_{switch,update} wrapper functions
since we always want it in git-svn. We also pass the
entire Git::SVN object rather than just the path because it
helped me debug.
When printing progress, the refname is printed out to make
it less confusing when multi-fetch is running.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Since refs/remotes/* are not automatically cloned, we expect the
user to be capable of copying those references themselves
anyways.
Also removed the documentation for --ignore-nodate while we're
at it; it has also been made automatic.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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We were still skipping path information from get_log if we are
tracking /r9270/drunk/subversion/bindings/..., but got something
like this in the log:
A /r9270/drunk (from /r9270/trunk:14)
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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I can't seem to figure out what I or the SVN libraries are doing
wrong, but it appears to be related to reparent and probably
some global structure that gets reset if multiple SVN
connections are being used.
So now, in order to use do_switch; we'll open a new connection
to the repository with the complete URL; but we can't seem to
ever use an existing Ra object after another one has been
created...
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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We don't need our own error handler for other operations. Also
add a message about the successfully do_switch or do_update in
follow-parent for debugging do_switch failures with svn:// and
svn+ssh:// connections.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Historically, git-svn did not always use Digest::MD5 because
it did not use the SVN::Delta::Editor interfaces. Nowadays
it does, and the requires make strace more noisy.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Also removed some unused/redundant functions.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Using path names as refnames breaks horribly if a user is
tracking one large, toplevel directory, and a lower-level
directory is followed from another project is a parent
of another ref, as it will cause refnames such as:
'refs/remotes/trunk/path/to/stuff', which will conflict
with a refname of 'refs/remotes/trunk'.
Now we just append @$revno to the end of it the current
refname. And if we have followed back to a grandparent, then
we'll strip any existing '@$parent_revno' strings before
appending our own '@$revno' string to it.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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The do_update or do_switch functions in SVN only allow for a
single path component; so 'path/to/deep/dir' would be
interpreted as 'path'.
SVN 1.4.x has a reparent function that can let us change the
session to use a higher-level root of the repository, so we can
use that for do_switch (which still doesn't seem to work in SVN
1.4.3 (a fix was attempted, but they missed the rest of the
typemap changes needed in trunk...)).
On the do_update side, we can use set_path on higher level
directories and set them to a newer revision so they don't get
updated. We can't do this with do_switch, either, because the
relative path we're tracking can change (directory moving into
a child of itself).
Because of these changes, we need to double check that our Fetch
editor is correctly performing stripping on any prefixed paths
from update, otherwise we'll just die() because that would be
a bug.
Added a test case which helped me notice and fix problems with
do_switch, too.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Also, this should allow for the tracking of new, but empty
directories where we would want to see the log message.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Since single fetching is a special case of multi-fetch,
share code with it and the fetch loop into Git::SVN::Ra
since it uses a single Ra connection and multiple
Git::SVN objects.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Also move tz_to_s_offset into Git::SVN::Log since that's
the only place it's used now.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Before, we needed a separate svn_ra instance to run
our check_path calls once the editor was active; but
we can avoid that by running all the check_path calls
before our editor is active.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Eric Wong
sam@vilain.net