Index: pom.xml
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- pom.xml	(revision 975b734211885b7f53034604748ccfef08f5c8cc)
+++ pom.xml	(date 1590001999757)
@@ -137,6 +137,14 @@
                     <minimizeJar>true</minimizeJar>
                 </configuration>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>7</source>
+                    <target>7</target>
+                </configuration>
+            </plugin>
         </plugins>
     </build>
 </project>
Index: src/main/java/org/spigotmc/builder/Builder.java
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- src/main/java/org/spigotmc/builder/Builder.java	(revision 975b734211885b7f53034604748ccfef08f5c8cc)
+++ src/main/java/org/spigotmc/builder/Builder.java	(date 1590001989216)
@@ -85,6 +85,7 @@
     private static String applyPatchesShell = "sh";
     //
     private static File msysDir;
+    private static String javaLocationStr;
 
     public static void main(String[] args) throws Exception
     {
@@ -150,6 +151,7 @@
         OptionSpec<Compile> toCompile = parser.accepts( "compile", "Software to compile" ).withRequiredArg().ofType( Compile.class ).withValuesConvertedBy( new EnumConverter<Compile>( Compile.class )
         {
         } ).withValuesSeparatedBy( ',' );
+        OptionSpec<String> javaLocation = parser.accepts("java-location", "The location of the java installation").withRequiredArg().defaultsTo("java");
 
         OptionSet options = parser.parse( args );
 
@@ -167,6 +169,7 @@
         generateDocs = options.has( generateDocsFlag );
         dev = options.has( devFlag );
         compile = options.valuesOf( toCompile );
+        javaLocationStr = options.valueOf(javaLocation);
         if ( options.has( skipCompileFlag ) )
         {
             compile = Collections.singletonList( Compile.NONE );
@@ -336,9 +339,9 @@
                     if ( buildInfo.getJavaVersions() == null )
                     {
                         buildInfo.setJavaVersions( new int[]
-                        {
-                            JavaVersion.JAVA_7.getVersion(), JavaVersion.JAVA_8.getVersion()
-                        } );
+                                {
+                                        JavaVersion.JAVA_7.getVersion(), JavaVersion.JAVA_8.getVersion()
+                                } );
                     }
 
                     Preconditions.checkArgument( buildInfo.getJavaVersions().length == 2, "Expected only two Java versions, got %s", JavaVersion.printVersions( buildInfo.getJavaVersions() ) );
@@ -727,6 +730,16 @@
 
     public static int runProcess(File workDir, String... command) throws Exception
     {
+        if ( command[0].equals( "java" ) )
+        {
+            if (javaLocationStr.equals("java")) {
+                command[0] = System.getProperty( "java.home" ) + "/bin/" + command[0];
+            } else
+            {
+                command[0] = javaLocationStr;
+            }
+        }
+
         if ( msysDir != null )
         {
             if ( "bash".equals( command[0] ) )
@@ -734,9 +747,9 @@
                 command[0] = "git-bash";
             }
             String[] shim = new String[]
-            {
-                "cmd.exe", "/C"
-            };
+                    {
+                            "cmd.exe", "/C"
+                    };
             command = ObjectArrays.concat( shim, command, String.class );
         }
         return runProcess0( workDir, command );
@@ -747,10 +760,7 @@
         Preconditions.checkArgument( workDir != null, "workDir" );
         Preconditions.checkArgument( command != null && command.length > 0, "Invalid command" );
 
-        if ( command[0].equals( "java" ) )
-        {
-            command[0] = System.getProperty( "java.home" ) + "/bin/" + command[0];
-        }
+
 
         ProcessBuilder pb = new ProcessBuilder( command );
         pb.directory( workDir );
@@ -938,26 +948,26 @@
         try
         {
             TrustManager[] trustAllCerts = new TrustManager[]
-            {
-                new X509TrustManager()
-                {
-                    @Override
-                    public java.security.cert.X509Certificate[] getAcceptedIssuers()
-                    {
-                        return null;
-                    }
+                    {
+                            new X509TrustManager()
+                            {
+                                @Override
+                                public java.security.cert.X509Certificate[] getAcceptedIssuers()
+                                {
+                                    return null;
+                                }
 
-                    @Override
-                    public void checkClientTrusted(X509Certificate[] certs, String authType)
-                    {
-                    }
+                                @Override
+                                public void checkClientTrusted(X509Certificate[] certs, String authType)
+                                {
+                                }
 
-                    @Override
-                    public void checkServerTrusted(X509Certificate[] certs, String authType)
-                    {
-                    }
-                }
-            };
+                                @Override
+                                public void checkServerTrusted(X509Certificate[] certs, String authType)
+                                {
+                                }
+                            }
+                    };
 
             // Trust SSL certs
             SSLContext sc = SSLContext.getInstance( "SSL" );
@@ -1019,27 +1029,27 @@
     public enum HashFormat
     {
         MD5
-        {
-            @Override
-            public HashFunction getHash()
-            {
-                return Hashing.md5();
-            }
-        }, SHA256
-        {
-            @Override
-            public HashFunction getHash()
-            {
-                return Hashing.sha256();
-            }
-        }, SHA512
-        {
-            @Override
-            public HashFunction getHash()
-            {
-                return Hashing.sha512();
-            }
-        };
+                {
+                    @Override
+                    public HashFunction getHash()
+                    {
+                        return Hashing.md5();
+                    }
+                }, SHA256
+            {
+                @Override
+                public HashFunction getHash()
+                {
+                    return Hashing.sha256();
+                }
+            }, SHA512
+            {
+                @Override
+                public HashFunction getHash()
+                {
+                    return Hashing.sha512();
+                }
+            };
 
         public abstract HashFunction getHash();
     }