kohabug 1776 - try to locate Zebra during install

If running Zebra, try to locate zebrasrv and zebraidx
so that koha-zebra-ctl.sh can point to a functioning
zebrasrv.

Signed-off-by: Joshua Ferraro <jmf@liblime.com>

Makefile.PL

@@ -411,6 +411,7 @@ my %config_defaults = (
   'PAZPAR2_HOST' => 'localhost',
   'PAZPAR2_PORT' => '11002',
   'RUN_DATABASE_TESTS' => 'no',
+  'PATH_TO_ZEBRA' => '',
 );
 
 # set some default configuratio options based on OS
@@ -947,6 +948,21 @@ Install the Zebra configuration files?);
     $config{'INSTALL_ZEBRA'} = _get_value('INSTALL_ZEBRA', $msg, $defaults->{'INSTALL_ZEBRA'}, $valid_values, $install_log_values);
 
     if ($config{'INSTALL_ZEBRA'} eq 'yes') {
+
+        if (defined(my $zebra_path = find_zebra())) {
+            $config{'PATH_TO_ZEBRA'} = $zebra_path;
+            print qq(
+Found 'zebrasrv' and 'zebraidx' in $zebra_path.
+);
+        } else {
+            print q(
+Unable to find the Zebra programs 'zebrasrv' and 'zebraidx'
+in your PATH or in some of the usual places.  If you haven't
+installed Zebra yet, please do so and run Makefile.PL again.
+
+);
+        }
+
         $msg = q(
 Since you've chosen to use Zebra with Koha,
 you must specify the primary MARC format of the
@@ -1327,6 +1343,32 @@ sub display_configuration {
     print "'dmake -x MAXLINELENGTH=300000'\n\n";
 }
 
+=head2 find_zebra
+
+Attempt to find Zebra - check user's PATH and
+a few other directories for zebrasrv and zebraidx.
+
+FIXME: doesn't handle Win32
+
+=cut
+
+sub find_zebra {
+    my @search_dirs = map {
+                            my $abs = File::Spec->rel2abs($_);
+                            my ($toss, $directories);
+                            ($toss, $directories, $toss) = File::Spec->splitpath($abs, 1);
+                            $directories;
+                        }  split /:/, $ENV{PATH};
+    push @search_dirs, qw(/usr/local/bin /opt/local/bin /usr/bin);
+    my @zebrasrv_dirs = grep { -x File::Spec->catpath('', $_, 'zebrasrv') } @search_dirs;
+    return unless @zebrasrv_dirs;
+    # verify that directory that contains zebrasrv also contains zebraidx
+    foreach my $dir (@zebrasrv_dirs) {
+        return $dir if -x File::Spec->catpath('', $dir, 'zebraidx');
+    }
+    return;
+}
+
 package MY;
 
 # This will have to be reworked in order to accommodate Win32...

misc/bin/koha-zebra-ctl.sh

@@ -11,7 +11,7 @@ KOHA_CONF=__KOHA_CONF_DIR__/koha-conf.xml
 RUNDIR=__ZEBRA_RUN_DIR__
 LOCKDIR=__ZEBRA_LOCK_DIR__
 # you may need to change this depending on where zebrasrv is installed
-ZEBRASRV=/usr/bin/zebrasrv
+ZEBRASRV=__PATH_TO_ZEBRA__/zebrasrv
 
 test -f $ZEBRASRV || exit 0
 

misc/koha-install-log

@@ -56,3 +56,4 @@ INSTALL_SRU=__INSTALL_SRU__
 INSTALL_PAZPAR2=__INSTALL_PAZPAR2__
 AUTH_INDEX_MODE=__AUTH_INDEX_MODE__
 RUN_DATABASE_TESTS=__RUN_DATABASE_TESTS__
+PATH_TO_ZEBRA=__PATH_TO_ZEBRA__

rewrite-config.PL

@@ -126,6 +126,7 @@ $prefix = $ENV{'INSTALL_BASE'} || "/usr";
   "__PAZPAR2_TOGGLE_XML_POST__" => '-->',
   "__AUTH_INDEX_MODE__" => 'grs1',
   "__RUN_DATABASE_TESTS__" => 'no',
+  "__PATH_TO_ZEBRA__" => "",
 );
 
 # Override configuration from the environment