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Update scripts for pushing kernel changes to upstream maintainers.
Merge of master-melb:xfs-cmds:22947a by kenmcd.

#!/usr/bin/perl -w
# extract commits from a git repo, produce email body
# 

use strict;
if ($#ARGV != 0) {
	print STDERR "Usage: git-make-xfs </path/to/git-parent>\n";
	exit 1;
}

my $parent_tree = $ARGV[0];
my $first_parent;
my $final_commit;
my $changes;

open CHANGES, "git-changes-script -L $parent_tree |"
					or die "git-changes-script";
while (<CHANGES>) {
	if (/^commit (\S+)$/) {
		$final_commit = $1;
	} elsif (/^parent (\S+)$/) {
		$first_parent = $1 if !defined($first_parent);
	}
	$changes .= $_;
}
close CHANGES;

print "Please pull from:\n";
print "\trsync://oss.sgi.com/git/xfs-2.6.git\n";
print "\n";
print "This will update the following files:\n";
print "\n";

open DIFFSTAT, "git-export $first_parent $final_commit | diffstat -p1 |"
					or die "git-export | diffstat";
while (<DIFFSTAT>) { print; }
close DIFFSTAT;

print "\n";
print "through these commits:\n";
print "\n";

print $changes;