[fix] reordering patch to avoid circular dependency

frappe/patches.txt

@@ -1,5 +1,6 @@
 execute:frappe.db.sql("""update `tabPatch Log` set patch=replace(patch, '.4_0.', '.v4_0.')""") #2014-05-12
 frappe.patches.v5_0.convert_to_barracuda_and_utf8mb4
+execute:frappe.utils.global_search.setup_global_search_table()
 frappe.patches.v7_0.update_auth
 frappe.patches.v7_1.rename_scheduler_log_to_error_log
 frappe.patches.v6_1.rename_file_data
@@ -8,10 +9,10 @@ frappe.patches.v7_2.remove_in_filter
 execute:frappe.reload_doc('core', 'doctype', 'doctype', force=True) #2017-03-09
 execute:frappe.reload_doc('core', 'doctype', 'docfield', force=True) #2017-03-03
 execute:frappe.reload_doc('core', 'doctype', 'docperm') #2017-03-03
+frappe.patches.v8_0.drop_is_custom_from_docperm
 execute:frappe.reload_doc('core', 'doctype', 'custom_docperm')
-frappe.patches.v7_2.setup_custom_perms #2017-01-19
 frappe.patches.v8_0.rename_page_role_to_has_role
-execute:frappe.utils.global_search.setup_global_search_table()
+frappe.patches.v7_2.setup_custom_perms #2017-01-19
 frappe.patches.v8_0.drop_in_dialog
 execute:frappe.reload_doc('core', 'doctype', 'role')
 execute:frappe.reload_doc('core', 'doctype', 'user')

frappe/patches/v7_2/setup_custom_perms.py

@@ -7,10 +7,6 @@ Copy DocPerm to Custom DocPerm where permissions are set differently
 '''
 
 def execute():
-	frappe.reload_doctype('DocPerm')
-	if frappe.db.has_column('DocPerm', 'is_custom'):
-		frappe.db.commit()
-		frappe.db.sql('alter table `tabDocPerm` drop column is_custom')
 	docperm_meta = frappe.get_meta('DocPerm')
 	for d in frappe.db.get_all('DocType', dict(istable=0, issingle=0, custom=0)):
 		perms = frappe.get_all('DocPerm', fields='*', filters=dict(parent=d.name), order_by='idx asc')

frappe/patches/v8_0/drop_is_custom_from_docperm.py

@@ -0,0 +1,7 @@
+import frappe
+
+def execute():
+	frappe.reload_doctype('DocPerm')
+	if frappe.db.has_column('DocPerm', 'is_custom'):
+		frappe.db.commit()
+		frappe.db.sql('alter table `tabDocPerm` drop column is_custom')