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git-svn: avoid leaving leftover committer/author info in rebase 

We set the 6 environment variables for controlling
committer/author email/name/time for every commit.

We do this in the parent process to be passed to
git-commit-tree, because open3() doesn't afford us the control
of doing it only in the child process.  This means we leave them
hanging around in the main process until the next revision comes
around and all 6 environment variables are overwridden again.

Unfortunately, for the last commit, leaving them hanging around
means the git-rebase invocation will pick it up, rewriting the
rebased commit with incorrect author information.  This should fix
it.

Signed-off-by: Eric Wong <normalperson@yhbt.net>
This commit is contained in:
Eric Wong 2007-12-15 19:08:22 -08:00
Родитель ce85b053d8
Коммит ad94802a7b
1 изменённых файлов: 39 добавлений и 11 удалений
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50
git-svn.perl
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@ -2052,6 +2052,43 @@ sub full_url {
$self->{url} . (length $self->{path} ? '/' . $self->{path} : '');
}
sub set_commit_header_env {
my ($log_entry) = @_;
my %env;
foreach my $ned (qw/NAME EMAIL DATE/) {
foreach my $ac (qw/AUTHOR COMMITTER/) {
$env{"GIT_${ac}_${ned}"} = $ENV{"GIT_${ac}_${ned}"};
}
}
$ENV{GIT_AUTHOR_NAME} = $log_entry->{name};
$ENV{GIT_AUTHOR_EMAIL} = $log_entry->{email};
$ENV{GIT_AUTHOR_DATE} = $ENV{GIT_COMMITTER_DATE} = $log_entry->{date};
$ENV{GIT_COMMITTER_NAME} = (defined $log_entry->{commit_name})
? $log_entry->{commit_name}
: $log_entry->{name};
$ENV{GIT_COMMITTER_EMAIL} = (defined $log_entry->{commit_email})
? $log_entry->{commit_email}
: $log_entry->{email};
\%env;
}
sub restore_commit_header_env {
my ($env) = @_;
foreach my $ned (qw/NAME EMAIL DATE/) {
foreach my $ac (qw/AUTHOR COMMITTER/) {
my $k = "GIT_${ac}_${ned}";
if (defined $env->{$k}) {
$ENV{$k} = $env->{$k};
} else {
delete $ENV{$k};
}
}
}
}
sub do_git_commit {
my ($self, $log_entry) = @_;
my $lr = $self->last_rev;
@ -2064,17 +2101,7 @@ sub do_git_commit {
croak "$log_entry->{revision} = $c already exists! ",
"Why are we refetching it?\n";
}
$ENV{GIT_AUTHOR_NAME} = $log_entry->{name};
$ENV{GIT_AUTHOR_EMAIL} = $log_entry->{email};
$ENV{GIT_AUTHOR_DATE} = $ENV{GIT_COMMITTER_DATE} = $log_entry->{date};
$ENV{GIT_COMMITTER_NAME} = (defined $log_entry->{commit_name})
? $log_entry->{commit_name}
: $log_entry->{name};
$ENV{GIT_COMMITTER_EMAIL} = (defined $log_entry->{commit_email})
? $log_entry->{commit_email}
: $log_entry->{email};
my $old_env = set_commit_header_env($log_entry);
my $tree = $log_entry->{tree};
if (!defined $tree) {
$tree = $self->tmp_index_do(sub {
@ -2089,6 +2116,7 @@ sub do_git_commit {
defined(my $pid = open3(my $msg_fh, my $out_fh, '>&STDERR', @exec))
or croak $!;
print $msg_fh $log_entry->{log} or croak $!;
restore_commit_header_env($old_env);
unless ($self->no_metadata) {
print $msg_fh "\ngit-svn-id: $log_entry->{metadata}\n"
or croak $!;