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# Do some git-status checking for the current dir and (optionally)
# the patches dir.
sub check_git_state
{
my($master_branch, $fatal_unless_clean, $check_patches_dir) = @_;
my($cur_branch) = check_git_status($fatal_unless_clean);
(my $branch = $cur_branch) =~ s{^patch/([^/]+)/[^/]+$}{$1}; # change patch/BRANCH/PATCH_NAME into BRANCH
if ($branch ne $master_branch) {
print "The checkout is not on the $master_branch branch.\n";
exit 1 if $master_branch ne 'master';
print "Do you want me to continue with --branch=$branch? [n] ";
$_ = <STDIN>;
exit 1 unless /^y/i;
$_[0] = $master_branch = $branch; # Updates caller's $master_branch too.
}
if ($check_patches_dir && -d 'patches/.git') {
($branch) = check_git_status($fatal_unless_clean, 'patches');
if ($branch ne $master_branch) {
print "The *patches* checkout is on branch $branch, not branch $master_branch.\n";
print "Do you want to change it to branch $master_branch? [n] ";
$_ = <STDIN>;
exit 1 unless /^y/i;
system "cd patches && git checkout '$master_branch'";
}
}
return $cur_branch;
}
sub check_git_status
{
my($fatal_unless_clean, $subdir) = @_;
$subdir = '.' unless defined $subdir;
my $status = `cd '$subdir' && git status`;
my $is_clean = $status =~ /\nnothing to commit.+working directory clean/;
my($cur_branch) = $status =~ /^(?:# )?On branch (.+)\n/;
if ($fatal_unless_clean && !$is_clean) {
if ($subdir eq '.') {
$subdir = '';
} else {
$subdir = " *$subdir*";
}
die "The$subdir checkout is not clean:\n", $status;
}
($cur_branch, $is_clean, $status);
}
1;
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