From b12aa543e2e2fe1c46eca4a0e07daa369b033793 Mon Sep 17 00:00:00 2001
From: Nick Clemens <nick@bywatersolutions.com>
Date: Tue, 2 May 2023 16:27:15 +0000
Subject: [PATCH] Bug 30367: Skip processing if we don't get releases

Some repos don't have releases, and this seems to break things as get returns an empty
response. Calling from_json on this is the error

This simply skips the bad responses to avoid the error:

To test:
1. Have this on your koha-conf.xml file:

 <plugin_repos>
    <repo>
        <name>ByWater Solutions</name>
        <org_name>bywatersolutions</org_name>
        <service>github</service>
    </repo>
    <repo>
        <name>Theke Solutions</name>
        <org_name>thekesolutions</org_name>
        <service>gitlab</service>
    </repo>
    <repo>
        <name>PTFS Europe</name>
        <org_name>ptfs-europe</org_name>
        <service>github</service>
    </repo>
 </plugin_repos>

2. Restart all services:
   $ restart_all
3. Search for the term 'barclaycard'

The search will give an error:

malformed JSON string, neither tag, array, object, number, string or atom, at character offset 0 (before "(end of string)") at /usr/share/perl5/JSON.pm line 190
4. Apply patch
5. Repeat
6. No error

Note: The barclaycard plugin won't install even though it is returned as of this note - the plugin needs an update I believe, I don't think it's a Koha issue
Signed-off-by: David Nind <david@davidnind.com>

JD amended patch: fix indentation

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
---
 plugins/plugins-home.pl | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/plugins/plugins-home.pl b/plugins/plugins-home.pl
index c67156222d..6e8800e0bb 100755
--- a/plugins/plugins-home.pl
+++ b/plugins/plugins-home.pl
@@ -76,8 +76,10 @@ if ($plugins_enabled) {
                 my $response = from_json( get($url) );
                 foreach my $result ( @{ $response->{items} } ) {
                     next unless $result->{name} =~ /^koha-plugin-/;
-                    my $releases = $result->{url} . "/releases/latest";
-                    my $release  = from_json( get($releases) );
+                    my $releases     = $result->{url} . "/releases/latest";
+                    my $release_info = get($releases);
+                    next unless $release_info;
+                    my $release  = from_json( $release_info );
                     my $tag_name = $release->{tag_name};
                     for my $asset ( @{$release->{assets}} ) {
                         if ($asset->{browser_download_url} =~ m/\.kpz$/) {