add fatpacker script

[chaz/homebank2ledger] / maint / branch_solo.pl

diff --git a/maint/branch_solo.pl b/maint/branch_solo.pl
new file mode 100755 (executable)
index 0000000..c9eed65
--- /dev/null
+++ b/maint/branch_solo.pl
@@ -0,0 +1,62 @@
+#!/usr/bin/env perl
+
+# This script prepares the homebank2ledger script for standalone use and puts it in a new branch.
+
+use strict;
+use warnings;
+use autodie;
+
+use File::Copy;
+use File::Path qw(make_path remove_tree);
+use String::ShellQuote;
+
+
+my $version = shift or die 'Need version';
+my $distdir = shift or die 'Need distdir';
+
+my $branch_name = 'solo';
+my $script_name = 'homebank2ledger';
+
+my $branch_oldref = '';
+my $branch_oldref_origin = '';
+
+open(my $fh, '-|', qw{git show-ref}, $branch_name);
+while (my $line = <$fh>) {
+    chomp $line;
+    my ($hash, $ref) = split(/\s+/, $line);
+    $branch_oldref = $hash          if $ref eq "refs/heads/$branch_name";
+    $branch_oldref_origin = $hash   if $ref eq "refs/remotes/origin/$branch_name";
+}
+if ($branch_oldref_origin && $branch_oldref ne $branch_oldref_origin) {
+    # reset local branch
+    system(qw{git branch -f}, $branch_name, "origin/$branch_name");
+    $branch_oldref = $branch_oldref_origin
+}
+
+my $commit_msg = shell_quote("Release $version");
+
+my $solodir = "solo_branch.$$";
+make_path($solodir);
+
+use Config;
+system($Config{'perlpath'}, qw{maint/fatpack.pl}, $distdir);
+move($script_name, "$solodir/$script_name");
+
+copy("$distdir/README", "$solodir/README");
+
+system(qw{git update-index --add}, glob("$solodir/*"));
+my $tree_ref = `git write-tree --prefix=$solodir/`;
+chomp $tree_ref;
+
+system(qw{git reset});
+remove_tree($solodir);
+
+my $branch_oldref_safe = shell_quote($branch_oldref);
+my $tree_ref_safe = shell_quote($tree_ref);
+my $parent = $branch_oldref ? "-p $branch_oldref_safe" : '';
+my $commit_ref = `git commit-tree -m $commit_msg $parent $tree_ref_safe`;
+chomp $commit_ref;
+
+system(qw(git branch -f), $branch_name, $commit_ref);
+system(qw(git tag -a -m), "Version $version", "$branch_name-$version", $commit_ref);
+