Subject: Re: [git-svn PATCH] Add --no-rebase option to git-svn dcommit

From: Eric Wong <[email-masked]>
Date: Fri, 4 May 2007 00:59:08 -0700

Karl Hasselström <[email-masked]> wrote:
> git-svn dcommit exports commits to Subversion, then imports them back
> to git again, and last but not least rebases or resets HEAD to the
> last of the new commits. I guess this rebasing is convenient when
> using just git, but when the commits to be exported are managed by
> StGIT, it's really annoying. So add an option to disable this
> behavior. And document it, too!

Cool, I've been planning to add this myself, too.

Acked-by: Eric Wong <[email-masked]>

> Signed-off-by: Karl Hasselström <[email-masked]>
> ---
> 
> Arguably, the switch should be --rebase instead, and default to not
> rebase. But that would change the existing behavior, and possibly make
> dcommit less convenient to use for at least the person who implemented
> the existing behavior. Opinions?
> 
>  Documentation/git-svn.txt |    3 +++
>  git-svn.perl              |   33 ++++++++++++++++++---------------
>  2 files changed, 21 insertions(+), 15 deletions(-)
> 
> diff --git a/Documentation/git-svn.txt b/Documentation/git-svn.txt
> index 62d7ef8..fcdeeaa 100644
> --- a/Documentation/git-svn.txt
> +++ b/Documentation/git-svn.txt
> @@ -125,6 +125,9 @@ and have no uncommitted changes.
>  	alternative to HEAD.
>  	This is advantageous over 'set-tree' (below) because it produces
>  	cleaner, more linear history.
> ++
> +--no-rebase;;
> +	After committing, do not rebase or reset.
>  --
>  
>  'log'::
> diff --git a/git-svn.perl b/git-svn.perl
> index 6657e10..3c4f490 100755
> --- a/git-svn.perl
> +++ b/git-svn.perl
> @@ -55,7 +55,7 @@ $sha1_short = qr/[a-f\d]{4,40}/;
>  my ($_stdin, $_help, $_edit,
>  	$_message, $_file,
>  	$_template, $_shared,
> -	$_version, $_fetch_all,
> +	$_version, $_fetch_all, $_no_rebase,
>  	$_merge, $_strategy, $_dry_run, $_local,
>  	$_prefix, $_no_checkout, $_verbose);
>  $Git::SVN::_follow_parent = 1;
> @@ -114,6 +114,7 @@ my %cmd = (
>  			  'verbose|v' => \$_verbose,
>  			  'dry-run|n' => \$_dry_run,
>  			  'fetch-all|all' => \$_fetch_all,
> +			  'no-rebase' => \$_no_rebase,
>  			%cmt_opts, %fc_opts } ],
>  	'set-tree' => [ \&cmd_set_tree,
>  	                "Set an SVN repository to a git tree-ish",
> @@ -413,21 +414,23 @@ sub cmd_dcommit {
>  		return;
>  	}
>  	$_fetch_all ? $gs->fetch_all : $gs->fetch;
> -	# we always want to rebase against the current HEAD, not any
> -	# head that was passed to us
> -	my @diff = command('diff-tree', 'HEAD', $gs->refname, '--');
> -	my @finish;
> -	if (@diff) {
> -		@finish = rebase_cmd();
> -		print STDERR "W: HEAD and ", $gs->refname, " differ, ",
> -		             "using @finish:\n", "@diff";
> -	} else {
> -		print "No changes between current HEAD and ",
> -		      $gs->refname, "\nResetting to the latest ",
> -		      $gs->refname, "\n";
> -		@finish = qw/reset --mixed/;
> +	unless ($_no_rebase) {
> +		# we always want to rebase against the current HEAD, not any
> +		# head that was passed to us
> +		my @diff = command('diff-tree', 'HEAD', $gs->refname, '--');
> +		my @finish;
> +		if (@diff) {
> +			@finish = rebase_cmd();
> +			print STDERR "W: HEAD and ", $gs->refname, " differ, ",
> +				     "using @finish:\n", "@diff";
> +		} else {
> +			print "No changes between current HEAD and ",
> +			      $gs->refname, "\nResetting to the latest ",
> +			      $gs->refname, "\n";
> +			@finish = qw/reset --mixed/;
> +		}
> +		command_noisy(@finish, $gs->refname);
>  	}
> -	command_noisy(@finish, $gs->refname);
>  }
>  
>  sub cmd_find_rev {
> 

-- 
Eric Wong