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git-svn: Allow deep branch names by supporting multi-globs 

Some repositories use a deep branching strategy, such as:

    branches/1.0/1.0.rc1
    branches/1.0/1.0.rc2
    branches/1.0/1.0.rtm
    branches/1.0/1.0.gold

Only allowing a single glob stiffles this.

This change allows for a single glob 'set' to accept this deep
branching strategy.

The ref glob depth must match the branch glob depth.  When using
the -b or -t options for init or clone, this is automatically
done.

For example, using the above branches:

  svn-remote.svn.branches = branches/*/*:refs/remote/*/*

gives the following branch names:

  1.0/1.0.rc1
  1.0/1.0.rc2
  1.0/1.0.rtm
  1.0/1.0.gold

[ew:
  * removed unrelated line-wrapping changes
  * fixed line-wrapping in a few more places
  * removed trailing whitespace
  * fixed bashism in test
  * removed unnecessary httpd startup in test
  * changed copyright on tests to 2008 Marcus Griep
  * added executable permissions to new tests
]

Signed-off-by: Marcus Griep <marcus@griep.us>
Acked-by: Eric Wong <normalperson@yhbt.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
maint
Marcus Griep 17 years ago committed by Junio C Hamano
parent
b47ddefe02
commit
570d35c26d
4 changed files with 246 additions and 20 deletions
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  1. 60
      git-svn.perl
  2. 9
      t/t9108-git-svn-glob.sh
  3. 160
      t/t9108-git-svn-multi-glob.sh
  4. 37
      t/t9125-git-svn-multi-glob-branch-names.sh

60
git-svn.perl
Unescape View File

@ -987,8 +987,10 @@ sub complete_url_ls_init { @@ -987,8 +987,10 @@ sub complete_url_ls_init {
if (length $pfx && $pfx !~ m#/$#) {
die "--prefix='$pfx' must have a trailing slash '/'\n";
}
command_noisy('config', "svn-remote.$gs->{repo_id}.$n",
"$remote_path:refs/remotes/$pfx*");
command_noisy('config',
"svn-remote.$gs->{repo_id}.$n",
"$remote_path:refs/remotes/$pfx*" .
('/*' x (($remote_path =~ tr/*/*/) - 1)) );
}

sub verify_ref {
@ -4124,16 +4126,38 @@ sub gs_fetch_loop_common { @@ -4124,16 +4126,38 @@ sub gs_fetch_loop_common {
Git::SVN::gc();
}

sub get_dir_globbed {
my ($self, $left, $depth, $r) = @_;

my @x = eval { $self->get_dir($left, $r) };
return unless scalar @x == 3;
my $dirents = $x[0];
my @finalents;
foreach my $de (keys %$dirents) {
next if $dirents->{$de}->{kind} != $SVN::Node::dir;
if ($depth > 1) {
my @args = ("$left/$de", $depth - 1, $r);
foreach my $dir ($self->get_dir_globbed(@args)) {
push @finalents, "$de/$dir";
}
} else {
push @finalents, $de;
}
}
@finalents;
}

sub match_globs {
my ($self, $exists, $paths, $globs, $r) = @_;

sub get_dir_check {
my ($self, $exists, $g, $r) = @_;
my @x = eval { $self->get_dir($g->{path}->{left}, $r) };
return unless scalar @x == 3;
my $dirents = $x[0];
foreach my $de (keys %$dirents) {
next if $dirents->{$de}->{kind} != $SVN::Node::dir;

my @dirs = $self->get_dir_globbed($g->{path}->{left},
$g->{path}->{depth},
$r);

foreach my $de (@dirs) {
my $p = $g->{path}->full_path($de);
next if $exists->{$p};
next if (length $g->{path}->{right} &&
@ -4915,16 +4939,20 @@ sub new { @@ -4915,16 +4939,20 @@ sub new {
my ($class, $glob) = @_;
my $re = $glob;
$re =~ s!/+$!!g; # no need for trailing slashes
my $nr = $re =~ tr/*/*/;
if ($nr > 1) {
die "Only one '*' wildcard expansion ",
"is supported (got $nr): '$glob'\n";
} elsif ($nr == 0) {
$re =~ m!^([^*]*)(\*(?:/\*)*)([^*]*)$!;
my $temp = $re;
my ($left, $right) = ($1, $3);
$re = $2;
my $depth = $re =~ tr/*/*/;
if ($depth != $temp =~ tr/*/*/) {
die "Only one set of wildcard directories " .
"(e.g. '*' or '*/*/*') is supported: '$glob'\n";
}
if ($depth == 0) {
die "One '*' is needed for glob: '$glob'\n";
}
$re =~ s!^(.*)\*(.*)$!\(\[^/\]+\)!g;
my ($left, $right) = ($1, $2);
$re = quotemeta($left) . $re . quotemeta($right);
$re =~ s!\*!\[^/\]*!g;
$re = quotemeta($left) . "($re)" . quotemeta($right);
if (length $left && !($left =~ s!/+$!!g)) {
die "Missing trailing '/' on left side of: '$glob' ($left)\n";
}
@ -4933,7 +4961,7 @@ sub new { @@ -4933,7 +4961,7 @@ sub new {
}
my $left_re = qr/^\/\Q$left\E(\/|$)/;
bless { left => $left, right => $right, left_regex => $left_re,
regex => qr/$re/, glob => $glob }, $class;
regex => qr/$re/, glob => $glob, depth => $depth }, $class;
}

sub full_path {

9
t/t9108-git-svn-glob.sh
Unescape View File

@ -53,7 +53,8 @@ test_expect_success 'test refspec globbing' ' @@ -53,7 +53,8 @@ test_expect_success 'test refspec globbing' '
test "`git rev-parse refs/remotes/tags/end~1`" = \
"`git rev-parse refs/remotes/branches/start`" &&
test "`git rev-parse refs/remotes/branches/start~2`" = \
"`git rev-parse refs/remotes/trunk`"
"`git rev-parse refs/remotes/trunk`" &&
test_must_fail git rev-parse refs/remotes/tags/end@3
'

echo try to try > expect.two
@ -85,8 +86,8 @@ test_expect_success 'test left-hand-side only globbing' ' @@ -85,8 +86,8 @@ test_expect_success 'test left-hand-side only globbing' '
test_cmp expect.two output.two
'

echo "Only one '*' wildcard expansion is supported (got 2): 'branches/*/*'" \
> expect.three
echo "Only one set of wildcard directories" \
"(e.g. '*' or '*/*/*') is supported: 'branches/*/t/*'" > expect.three
echo "" >> expect.three

test_expect_success 'test disallow multi-globs' '
@ -94,7 +95,7 @@ test_expect_success 'test disallow multi-globs' ' @@ -94,7 +95,7 @@ test_expect_success 'test disallow multi-globs' '
git config --add svn-remote.three.fetch \
trunk:refs/remotes/three/trunk &&
git config --add svn-remote.three.branches \
"branches/*/*:refs/remotes/three/branches/*" &&
"branches/*/t/*:refs/remotes/three/branches/*" &&
git config --add svn-remote.three.tags \
"tags/*/*:refs/remotes/three/tags/*" &&
(

160
t/t9108-git-svn-multi-glob.sh
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@ -0,0 +1,160 @@ @@ -0,0 +1,160 @@
#!/bin/sh
# Copyright (c) 2007 Eric Wong
test_description='git-svn globbing refspecs'
. ./lib-git-svn.sh

cat > expect.end <<EOF
the end
hi
start a new branch
initial
EOF

test_expect_success 'test refspec globbing' '
mkdir -p trunk/src/a trunk/src/b trunk/doc &&
echo "hello world" > trunk/src/a/readme &&
echo "goodbye world" > trunk/src/b/readme &&
svn import -m "initial" trunk "$svnrepo"/trunk &&
svn co "$svnrepo" tmp &&
(
cd tmp &&
mkdir branches branches/v1 tags &&
svn add branches tags &&
svn cp trunk branches/v1/start &&
svn commit -m "start a new branch" &&
svn up &&
echo "hi" >> branches/v1/start/src/b/readme &&
poke branches/v1/start/src/b/readme &&
echo "hey" >> branches/v1/start/src/a/readme &&
poke branches/v1/start/src/a/readme &&
svn commit -m "hi" &&
svn up &&
svn cp branches/v1/start tags/end &&
echo "bye" >> tags/end/src/b/readme &&
poke tags/end/src/b/readme &&
echo "aye" >> tags/end/src/a/readme &&
poke tags/end/src/a/readme &&
svn commit -m "the end" &&
echo "byebye" >> tags/end/src/b/readme &&
poke tags/end/src/b/readme &&
svn commit -m "nothing to see here"
) &&
git config --add svn-remote.svn.url "$svnrepo" &&
git config --add svn-remote.svn.fetch \
"trunk/src/a:refs/remotes/trunk" &&
git config --add svn-remote.svn.branches \
"branches/*/*/src/a:refs/remotes/branches/*/*" &&
git config --add svn-remote.svn.tags\
"tags/*/src/a:refs/remotes/tags/*" &&
git-svn multi-fetch &&
git log --pretty=oneline refs/remotes/tags/end | \
sed -e "s/^.\{41\}//" > output.end &&
test_cmp expect.end output.end &&
test "`git rev-parse refs/remotes/tags/end~1`" = \
"`git rev-parse refs/remotes/branches/v1/start`" &&
test "`git rev-parse refs/remotes/branches/v1/start~2`" = \
"`git rev-parse refs/remotes/trunk`" &&
test_must_fail git rev-parse refs/remotes/tags/end@3
'

echo try to try > expect.two
echo nothing to see here >> expect.two
cat expect.end >> expect.two

test_expect_success 'test left-hand-side only globbing' '
git config --add svn-remote.two.url "$svnrepo" &&
git config --add svn-remote.two.fetch trunk:refs/remotes/two/trunk &&
git config --add svn-remote.two.branches \
"branches/*/*:refs/remotes/two/branches/*/*" &&
git config --add svn-remote.two.tags \
"tags/*:refs/remotes/two/tags/*" &&
(
cd tmp &&
echo "try try" >> tags/end/src/b/readme &&
poke tags/end/src/b/readme &&
svn commit -m "try to try"
) &&
git-svn fetch two &&
test `git rev-list refs/remotes/two/tags/end | wc -l` -eq 6 &&
test `git rev-list refs/remotes/two/branches/v1/start | wc -l` -eq 3 &&
test `git rev-parse refs/remotes/two/branches/v1/start~2` = \
`git rev-parse refs/remotes/two/trunk` &&
test `git rev-parse refs/remotes/two/tags/end~3` = \
`git rev-parse refs/remotes/two/branches/v1/start` &&
git log --pretty=oneline refs/remotes/two/tags/end | \
sed -e "s/^.\{41\}//" > output.two &&
test_cmp expect.two output.two
'
cat > expect.four <<EOF
adios
adding more
Changed 2 in v2/start
Another versioned branch
initial
EOF

test_expect_success 'test another branch' '
(
cd tmp &&
mkdir branches/v2 &&
svn add branches/v2 &&
svn cp trunk branches/v2/start &&
svn commit -m "Another versioned branch" &&
svn up &&
echo "hello" >> branches/v2/start/src/b/readme &&
poke branches/v2/start/src/b/readme &&
echo "howdy" >> branches/v2/start/src/a/readme &&
poke branches/v2/start/src/a/readme &&
svn commit -m "Changed 2 in v2/start" &&
svn up &&
svn cp branches/v2/start tags/next &&
echo "bye" >> tags/next/src/b/readme &&
poke tags/next/src/b/readme &&
echo "aye" >> tags/next/src/a/readme &&
poke tags/next/src/a/readme &&
svn commit -m "adding more" &&
echo "byebye" >> tags/next/src/b/readme &&
poke tags/next/src/b/readme &&
svn commit -m "adios"
) &&
git config --add svn-remote.four.url "$svnrepo" &&
git config --add svn-remote.four.fetch trunk:refs/remotes/four/trunk &&
git config --add svn-remote.four.branches \
"branches/*/*:refs/remotes/four/branches/*/*" &&
git config --add svn-remote.four.tags \
"tags/*:refs/remotes/four/tags/*" &&
git-svn fetch four &&
test `git rev-list refs/remotes/four/tags/next | wc -l` -eq 5 &&
test `git rev-list refs/remotes/four/branches/v2/start | wc -l` -eq 3 &&
test `git rev-parse refs/remotes/four/branches/v2/start~2` = \
`git rev-parse refs/remotes/four/trunk` &&
test `git rev-parse refs/remotes/four/tags/next~2` = \
`git rev-parse refs/remotes/four/branches/v2/start` &&
git log --pretty=oneline refs/remotes/four/tags/next | \
sed -e "s/^.\{41\}//" > output.four &&
test_cmp expect.four output.four
'

echo "Only one set of wildcard directories" \
"(e.g. '*' or '*/*/*') is supported: 'branches/*/t/*'" > expect.three
echo "" >> expect.three

test_expect_success 'test disallow multiple globs' '
git config --add svn-remote.three.url "$svnrepo" &&
git config --add svn-remote.three.fetch \
trunk:refs/remotes/three/trunk &&
git config --add svn-remote.three.branches \
"branches/*/t/*:refs/remotes/three/branches/*/*" &&
git config --add svn-remote.three.tags \
"tags/*:refs/remotes/three/tags/*" &&
(
cd tmp &&
echo "try try" >> tags/end/src/b/readme &&
poke tags/end/src/b/readme &&
svn commit -m "try to try"
) &&
test_must_fail git-svn fetch three 2> stderr.three &&
test_cmp expect.three stderr.three
'

test_done

37
t/t9125-git-svn-multi-glob-branch-names.sh
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@ -0,0 +1,37 @@ @@ -0,0 +1,37 @@
#!/bin/sh
# Copyright (c) 2008 Marcus Griep

test_description='git-svn multi-glob branch names'
. ./lib-git-svn.sh

test_expect_success 'setup svnrepo' '
mkdir project project/trunk project/branches \
project/branches/v14.1 project/tags &&
echo foo > project/trunk/foo &&
svn import -m "$test_description" project "$svnrepo/project" &&
rm -rf project &&
svn cp -m "fun" "$svnrepo/project/trunk" \
"$svnrepo/project/branches/v14.1/beta" &&
svn cp -m "more fun!" "$svnrepo/project/branches/v14.1/beta" \
"$svnrepo/project/branches/v14.1/gold"
'

test_expect_success 'test clone with multi-glob in branch names' '
git svn clone -T trunk -b branches/*/* -t tags \
"$svnrepo/project" project &&
cd project &&
git rev-parse "refs/remotes/v14.1/beta" &&
git rev-parse "refs/remotes/v14.1/gold" &&
cd ..
'

test_expect_success 'test dcommit to multi-globbed branch' "
cd project &&
git reset --hard 'refs/remotes/v14.1/gold' &&
echo hello >> foo &&
git commit -m 'hello' -- foo &&
git svn dcommit &&
cd ..
"

test_done
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