Fail harder in the backup script

This change also shows the output of failed Git commands during the
backup.

CHANGELOG

@@ -10,6 +10,7 @@ v 7.4.0
   - Support for backup uploads to remote storage
   - Prevent notes polling when there are not notes
   - API: filter project issues by milestone (Julien Bianchi)
+  - Fail harder in the backup script
 
 v 7.3.2
   - Fix creating new file via web editor

lib/backup/database.rb

@@ -21,6 +21,7 @@ module Backup
         system('pg_dump', config['database'], out: db_file_name)
       end
       report_success(success)
+      abort 'Backup failed' unless success
     end
 
     def restore
@@ -37,6 +38,7 @@ module Backup
         system('psql', config['database'], '-f', db_file_name)
       end
       report_success(success)
+      abort 'Restore failed' unless success
     end
 
     protected

lib/backup/manager.rb

@@ -23,6 +23,7 @@ module Backup
         puts "done".green
       else
         puts "failed".red
+        abort 'Backup failed'
       end
 
       upload(tar_file)
@@ -44,6 +45,7 @@ module Backup
         puts "done".green
       else
         puts "failed".red
+        abort 'Backup failed'
       end
     end
 
@@ -53,6 +55,7 @@ module Backup
         puts "done".green
       else
         puts "failed".red
+        abort 'Backup failed'
       end
     end
 

lib/backup/repository.rb

@@ -15,10 +15,15 @@ module Backup
 
         if project.empty_repo?
           puts "[SKIPPED]".cyan
-        elsif system(*%W(git --git-dir=#{path_to_repo(project)} bundle create #{path_to_bundle(project)} --all), silent)
+        else
+          output, status = Gitlab::Popen.popen(%W(git --git-dir=#{path_to_repo(project)} bundle create #{path_to_bundle(project)} --all))
+          if status.zero?
             puts "[DONE]".green
           else
             puts "[FAILED]".red
+            puts output
+            abort 'Backup failed'
+          end
         end
 
         wiki = ProjectWiki.new(project)
@@ -27,10 +32,14 @@ module Backup
           print " * #{wiki.path_with_namespace} ... "
           if wiki.empty?
             puts " [SKIPPED]".cyan
-          elsif system(*%W(git --git-dir=#{path_to_repo(wiki)} bundle create #{path_to_bundle(wiki)} --all), silent)
+          else
+            output, status = Gitlab::Popen.popen(%W(git --git-dir=#{path_to_repo(wiki)} bundle create #{path_to_bundle(wiki)} --all))
+            if status.zero?
               puts " [DONE]".green
             else
               puts " [FAILED]".red
+              abort 'Backup failed'
+            end
           end
         end
       end
@@ -54,6 +63,7 @@ module Backup
           puts "[DONE]".green
         else
           puts "[FAILED]".red
+          abort 'Restore failed'
         end
 
         wiki = ProjectWiki.new(project)
@@ -64,6 +74,7 @@ module Backup
             puts " [DONE]".green
           else
             puts " [FAILED]".red
+            abort 'Restore failed'
           end
         end
       end