threads / patch / 28408

v3git svn dcommit: new option --interactive.

Subject: [PATCH v3] git svn dcommit: new option --interactive.

## tl;dr

5 messages between Sep 16, 2011 and Sep 18, 2011. Diffs are folded; open one to read it.

replies: 4people: 4as markdown or json

Frédéric Heitzmann· Sep 16, 2011, 21:02 UTC · lore

Allow the user to check the patch set before it is commited to SNV. It is then possible to accept/discard one patch, accept all, or quit.

This interactive mode is similar with 'git send email' behaviour. However, 'git svn dcommit' returns as soon as one patch is discarded. Part of the code was taken from git-send-email.perl (see 'ask' function)

Tests several combinations of potential answers to 'git svn dcommit --interactive'. For each of them, test whether patches were commited to SVN or not.

Thanks-to Eric Wong <normalperson@yhbt.net> for the initial idea.
Reviewed-by: Eric Wong <normalperson@yhbt.net>
Signed-off-by: Frédéric Heitzmann <frederic.heitzmann@gmail.com>
---
 Minor change from v2 : rename t9160... to t9162... to avoid name
 collision
 ref: <1316202903-5085-1-git-send-email-frederic.heitzmann@gmail.com>
 Documentation/git-svn.txt              |    8 +++
 git-svn.perl                           |   76 +++++++++++++++++++++++++++++++-
 t/t9162-git-svn-dcommit-interactive.sh |   64 +++++++++++++++++++++++++++
 3 files changed, 147 insertions(+), 1 deletions(-)
 create mode 100644 t/t9162-git-svn-dcommit-interactive.sh
Show changes to 3 files +147 −1

Documentation/git-svn.txt, git-svn.perl, t/t9162-git-svn-dcommit-interactive.sh

diff --git a/Documentation/git-svn.txt b/Documentation/git-svn.txt
index 08cad6d..c8f0883 100644
--- a/Documentation/git-svn.txt
+++ b/Documentation/git-svn.txt
@@ -234,6 +234,14 @@ svn:mergeinfo property in the SVN repository when possible. Currently, this can
 only be done when dcommitting non-fast-forward merges where all parents but the
 first have already been pushed into SVN.
 
+--interactive;;
+	Ask the user to confirm that a patch set should actually be sent to SVN.
+	For each patch, one may answer "yes" (accept this patch), "no" (discard this
+	patch), "all" (accept all patches), or "quit".
+	+
+	'git svn dcommit' returns immediately if answer if "no" or "quit", without
+	commiting anything to SVN.
+
 'branch'::
 	Create a branch in the SVN repository.
 
diff --git a/git-svn.perl b/git-svn.perl
index 351e743..121332d 100755
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -87,7 +87,7 @@ my ($_stdin, $_help, $_edit,
 	$_version, $_fetch_all, $_no_rebase, $_fetch_parent,
 	$_merge, $_strategy, $_dry_run, $_local,
 	$_prefix, $_no_checkout, $_url, $_verbose,
-	$_git_format, $_commit_url, $_tag, $_merge_info);
+	$_git_format, $_commit_url, $_tag, $_merge_info, $_interactive);
 $Git::SVN::_follow_parent = 1;
 $SVN::Git::Fetcher::_placeholder_filename = ".gitignore";
 $_q ||= 0;
@@ -163,6 +163,7 @@ my %cmd = (
 			  'revision|r=i' => \$_revision,
 			  'no-rebase' => \$_no_rebase,
 			  'mergeinfo=s' => \$_merge_info,
+			  'interactive|i' => \$_interactive,
 			%cmt_opts, %fc_opts } ],
 	branch => [ \&cmd_branch,
 	            'Create a branch in the SVN repository',
@@ -256,6 +257,27 @@ my %cmd = (
 		{} ],
 );
 
+use Term::ReadLine;
+package FakeTerm;
+sub new {
+	my ($class, $reason) = @_;
+	return bless \$reason, shift;
+}
+sub readline {
+	my $self = shift;
+	die "Cannot use readline on FakeTerm: $$self";
+}
+package main;
+
+my $term = eval {
+	$ENV{"GIT_SVN_NOTTY"}
+		? new Term::ReadLine 'git-svn', \*STDIN, \*STDOUT
+		: new Term::ReadLine 'git-svn';
+};
+if ($@) {
+	$term = new FakeTerm "$@: going non-interactive";
+}
+
 my $cmd;
 for (my $i = 0; $i < @ARGV; $i++) {
 	if (defined $cmd{$ARGV[$i]}) {
@@ -366,6 +388,36 @@ sub version {
 	exit 0;
 }
 
+sub ask {
+	my ($prompt, %arg) = @_;
+	my $valid_re = $arg{valid_re};
+	my $default = $arg{default};
+	my $resp;
+	my $i = 0;
+
+	if ( !( defined($term->IN)
+            && defined( fileno($term->IN) )
+            && defined( $term->OUT )
+            && defined( fileno($term->OUT) ) ) ){
+		return defined($default) ? $default : undef;
+	}
+
+	while ($i++ < 10) {
+		$resp = $term->readline($prompt);
+		if (!defined $resp) { # EOF
+			print "\n";
+			return defined $default ? $default : undef;
+		}
+		if ($resp eq '' and defined $default) {
+			return $default;
+		}
+		if (!defined $valid_re or $resp =~ /$valid_re/) {
+			return $resp;
+		}
+	}
+	return undef;
+}
+
 sub do_git_init_db {
 	unless (-d $ENV{GIT_DIR}) {
 		my @init_db = ('init');
@@ -746,6 +798,28 @@ sub cmd_dcommit {
 		     "If these changes depend on each other, re-running ",
 		     "without --no-rebase may be required."
 	}
+
+	if (defined $_interactive){
+		my $ask_default = "y";
+		foreach my $d (@$linear_refs){
+			print "debug : d = $d\n";
+			my ($fh, $ctx) = command_output_pipe(qw(show --summary), "$d");
+			while (<$fh>){
+				print $_;
+			}
+			command_close_pipe($fh, $ctx);
+			$_ = ask("Commit this patch to SVN? ([y]es (default)|[n]o|[q]uit|[a]ll): ",
+			         valid_re => qr/^(?:yes|y|no|n|quit|q|all|a)/i,
+			         default => $ask_default);
+			die "Commit this patch reply required" unless defined $_;
+			if (/^[nq]/i) {
+				exit(0);
+			} elsif (/^a/i) {
+				last;
+			}
+		}
+	}
+
 	my $expect_url = $url;
 
 	my $push_merge_info = eval {
diff --git a/t/t9162-git-svn-dcommit-interactive.sh b/t/t9162-git-svn-dcommit-interactive.sh
new file mode 100644
index 0000000..e38d9fa
--- /dev/null
+++ b/t/t9162-git-svn-dcommit-interactive.sh
@@ -0,0 +1,64 @@
+#!/bin/sh
+#
+# Copyright (c) 2011 Frédéric Heitzmann
+
+test_description='git svn dcommit --interactive series'
+. ./lib-git-svn.sh
+
+test_expect_success 'initialize repo' '
+	svn_cmd mkdir -m"mkdir test-interactive" "$svnrepo/test-interactive" &&
+	git svn clone "$svnrepo/test-interactive" test-interactive &&
+	cd test-interactive &&
+	touch foo && git add foo && git commit -m"foo: first commit" &&
+	git svn dcommit
+	'
+
+test_expect_success 'answers: y [\n] yes' '
+	(
+		echo "change #1" >> foo && git commit -a -m"change #1" &&
+		echo "change #2" >> foo && git commit -a -m"change #2" &&
+		echo "change #3" >> foo && git commit -a -m"change #3" &&
+		( echo "y
+
+y" | GIT_SVN_NOTTY=1 git svn dcommit --interactive ) &&
+		test $(git rev-parse HEAD) = $(git rev-parse remotes/git-svn)
+	)
+	'
+
+test_expect_success 'answers: yes yes no' '
+	(
+		echo "change #1" >> foo && git commit -a -m"change #1" &&
+		echo "change #2" >> foo && git commit -a -m"change #2" &&
+		echo "change #3" >> foo && git commit -a -m"change #3" &&
+		( echo "yes
+yes
+no" | GIT_SVN_NOTTY=1 git svn dcommit --interactive ) &&
+		test $(git rev-parse HEAD^^^) = $(git rev-parse remotes/git-svn) &&
+		git reset --hard remotes/git-svn
+	)
+	'
+
+test_expect_success 'answers: yes quit' '
+	(
+		echo "change #1" >> foo && git commit -a -m"change #1" &&
+		echo "change #2" >> foo && git commit -a -m"change #2" &&
+		echo "change #3" >> foo && git commit -a -m"change #3" &&
+		( echo "yes
+quit" | GIT_SVN_NOTTY=1 git svn dcommit --interactive ) &&
+		test $(git rev-parse HEAD^^^) = $(git rev-parse remotes/git-svn) &&
+		git reset --hard remotes/git-svn
+	)
+	'
+
+test_expect_success 'answers: all' '
+	(
+		echo "change #1" >> foo && git commit -a -m"change #1" &&
+		echo "change #2" >> foo && git commit -a -m"change #2" &&
+		echo "change #3" >> foo && git commit -a -m"change #3" &&
+		( echo "all" | GIT_SVN_NOTTY=1 git svn dcommit --interactive ) &&
+		test $(git rev-parse HEAD) = $(git rev-parse remotes/git-svn) &&
+		git reset --hard remotes/git-svn
+	)
+	'
+
+test_done
-- 
1.7.7.rc0.200.g2f9e2e
Carlos Martín Nieto· Sep 17, 2011, 12:18 UTC · re: Frédéric Heitzmann · lore

Re: [PATCH v3] git svn dcommit: new option --interactive.

[removed Junio from CC as he doesn't want to know about this patch at this stage]

On Fri, 2011-09-16 at 23:02 +0200, Frédéric Heitzmann wrote:
> Allow the user to check the patch set before it is commited to SNV. It is
Typo: SNV -> SVN
My perl-foo isn't strong enough to properly review the rest.
   cmn
Frédéric Heitzmann· Sep 17, 2011, 13:11 UTC · re: Carlos Martín Nieto · lore

Re: [PATCH v3] git svn dcommit: new option --interactive.

Le 17/09/2011 14:18, Carlos Martín Nieto a écrit :
Show 10 quoted lines
> [removed Junio from CC as he doesn't want to know about this patch at
> this stage]
>
> On Fri, 2011-09-16 at 23:02 +0200, Frédéric Heitzmann wrote:
>> Allow the user to check the patch set before it is commited to SNV. It is
> Typo: SNV ->  SVN
>
> My perl-foo isn't strong enough to properly review the rest.
>
>     cmn
Thanks.

-- Fred

Eric Wong· Sep 18, 2011, 01:13 UTC · re: Carlos Martín Nieto · lore

Re: [PATCH v3] git svn dcommit: new option --interactive.

Carlos Martín Nieto <carlos@cmartin.tk> wrote:
> On Fri, 2011-09-16 at 23:02 +0200, Frédéric Heitzmann wrote:
> > Allow the user to check the patch set before it is commited to SNV. It is
> 
> Typo: SNV -> SVN
Thanks, fixed locally
> My perl-foo isn't strong enough to properly review the rest.
I also squashed the following cleanup:
Show changes to git-svn.perl +0 −1
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -802,7 +802,6 @@ sub cmd_dcommit {
 	if (defined $_interactive){
 		my $ask_default = "y";
 		foreach my $d (@$linear_refs){
-			print "debug : d = $d\n";
 			my ($fh, $ctx) = command_output_pipe(qw(show --summary), "$d");
 			while (<$fh>){
 				print $_;


Otherwise things good to me.  Acked and pushed out to master of
git://bogomips.org/git-svn.git

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