Move Eclipse related stuff into tools/eclipse

Try to reduce the size of the top-level BUCK file by moving
anything that has to do with Eclipse project generation and
classpath management into tools/eclipse.

Change-Id: Id779eaff4fe732908b28a8e3441004e364b59e21

.buckconfig

@@ -2,7 +2,8 @@
   gerrit = //:gerrit
   release = //:release
   download = //:download
-  eclipse = //:eclipse
+  eclipse = //tools/eclipse:eclipse
+  eclipse_project = //tools/eclipse:eclipse_project
 
 [buildfile]
   includes = //lib/DEFS

BUCK

@@ -42,7 +42,8 @@ java_library(
 
 genrule(
   name = 'download',
-  cmd = 'buck build $(buck audit classpath --dot :eclipse_classpath' +
+  cmd = 'buck build ' +
+    '$(buck audit classpath --dot //tools/eclipse:classpath' +
     '| egrep \'^  "//lib/\''+
     '| cut -d\\" -f2' +
     '| sort | uniq)',
@@ -50,65 +51,3 @@ genrule(
   deps = [],
   out = '__fake.download__',
 )
-
-genrule(
-  name = 'eclipse',
-  cmd = '',
-  srcs = [],
-  deps = [
-    ':_eclipse_project',
-    ':_eclipse_classpath',
-  ],
-  out = '__fake.eclipse__',
-)
-
-genrule(
-  name = 'eclipse_project',
-  cmd = '',
-  srcs = [],
-  deps = [
-    ':_eclipse_project',
-    ':_eclipse_classpath_nocompile',
-  ],
-  out = '__fake.eclipse__',
-)
-
-java_library(
-  name = 'eclipse_classpath',
-  deps = LIBS + PGMLIBS + [
-    '//gerrit-acceptance-tests:acceptance_tests',
-    '//gerrit-gwtdebug:gwtdebug',
-    '//gerrit-gwtui:ui_module',
-    '//gerrit-httpd:httpd_tests',
-    '//gerrit-main:main_lib',
-    '//gerrit-server:server__compile',
-    '//lib/prolog:compiler_lib',
-  ] + scan_plugins(),
-)
-
-genrule(
-  name = '_eclipse_project',
-  cmd = '${//tools:eclipse_project} $OUT',
-  srcs = [],
-  deps = ['//tools:eclipse_project'],
-  out = 'eclipse_project',
-)
-
-genrule(
-  name = '_eclipse_classpath',
-  cmd = '${//tools:eclipse_classpath} $OUT $DEPS',
-  srcs = [],
-  deps = [
-    ':eclipse_classpath',
-    '//tools:eclipse_classpath',
-  ],
-  out = 'eclipse_classpath',
-)
-
-genrule(
-  name = '_eclipse_classpath_nocompile',
-  cmd = '${//tools:eclipse_classpath}',
-  srcs = [],
-  deps = ['//tools:eclipse_classpath'],
-  out = '__fake.eclipse__',
-)

gerrit-acceptance-tests/BUCK

@@ -18,5 +18,5 @@ java_test(
   ],
   source_under_test = TEST,
   labels = ['slow'],
-  visibility = ['//:eclipse_classpath'],
+  visibility = ['//tools/eclipse:classpath'],
 )

gerrit-gwtdebug/BUCK

@@ -2,5 +2,5 @@ java_library(
   name = 'gwtdebug',
   srcs = ['src/main/java/com/google/gerrit/gwtdebug/GerritDebugLauncher.java'],
   deps = ['//lib/gwt:dev'],
-  visibility = ['//:eclipse_classpath'],
+  visibility = ['//tools/eclipse:classpath'],
 )

gerrit-gwtui/BUCK

@@ -75,7 +75,7 @@ gwt_module(
     '//lib/gwt:user',
   ],
   visibility = [
-    '//:eclipse_classpath',
+    '//tools/eclipse:classpath',
     '//Documentation:licenses.txt',
   ],
 )

gerrit-httpd/BUCK

@@ -28,5 +28,5 @@ java_test(
   ],
   source_under_test = [':httpd'],
   # TODO(sop) Remove after Buck supports Eclipse
-  visibility = ['//:eclipse_classpath'],
+  visibility = ['//tools/eclipse:classpath'],
 )

gerrit-main/BUCK

@@ -9,5 +9,5 @@ java_library(
   name = 'main_lib',
   srcs = ['src/main/java/Main.java'],
   deps = ['//gerrit-launcher:launcher'],
-  visibility = ['//:eclipse_classpath'],
+  visibility = ['//tools/eclipse:classpath'],
 )

gerrit-pgm/BUCK

@@ -21,6 +21,7 @@ java_library2(
   visibility = [
     '//:',
     '//gerrit-acceptance-tests:',
+    '//tools/eclipse:classpath',
     '//Documentation:licenses.txt',
   ],
 )

gerrit-war/BUCK

@@ -12,6 +12,7 @@ java_library(
   visibility = [
     '//:',
     '//gerrit-gwtdebug:gwtdebug',
+    '//tools/eclipse:classpath',
   ],
 )
 
@@ -35,5 +36,8 @@ prebuilt_jar(
   name = 'log4j-config',
   binary_jar = genfile('log4j-config.jar'),
   deps = [':log4j-config__jar'],
-  visibility = ['//:'],
+  visibility = [
+    '//:',
+    '//tools/eclipse:classpath',
+  ],
 )

lib/DEFS

@@ -82,7 +82,7 @@ def java_library2(
     srcs = srcs,
     resources = resources,
     deps = deps + compile_deps,
-    visibility = ['//:eclipse_classpath'],
+    visibility = ['//tools/eclipse:classpath'],
   )
   # Break the dependency chain by passing the newly built
   # JAR to consumers through a prebuilt_jar().

lib/prolog/BUCK

@@ -19,5 +19,5 @@ java_library(
   name = 'compiler_lib',
   srcs = ['java/BuckPrologCompiler.java'],
   deps = [':prolog-cafe'],
-  visibility = ['//:eclipse_classpath'],
+  visibility = ['//tools/eclipse:classpath'],
 )

tools/BUCK

@@ -9,15 +9,3 @@ python_binary(
   main = 'pack_war.py',
   visibility = ['PUBLIC'],
 )
-
-python_binary(
-  name = 'eclipse_classpath',
-  main = 'eclipse_classpath.py',
-  visibility = ['PUBLIC'],
-)
-
-python_binary(
-  name = 'eclipse_project',
-  main = 'eclipse_project.py',
-  visibility = ['PUBLIC'],
-)

tools/eclipse/BUCK

@@ -0,0 +1,73 @@
+include_defs('//tools/build.defs')
+
+genrule(
+  name = 'eclipse',
+  cmd = '',
+  srcs = [],
+  deps = [
+    ':_classpath',
+    ':_project',
+  ],
+  out = '__fake.eclipse__',
+)
+
+genrule(
+  name = 'eclipse_project',
+  cmd = '',
+  srcs = [],
+  deps = [
+    ':_classpath_nocompile',
+    ':_project',
+  ],
+  out = '__fake.eclipse__',
+)
+
+java_library(
+  name = 'classpath',
+  deps = LIBS + PGMLIBS + [
+    '//gerrit-acceptance-tests:acceptance_tests',
+    '//gerrit-gwtdebug:gwtdebug',
+    '//gerrit-gwtui:ui_module',
+    '//gerrit-httpd:httpd_tests',
+    '//gerrit-main:main_lib',
+    '//gerrit-server:server__compile',
+    '//lib/prolog:compiler_lib',
+  ] + scan_plugins(),
+)
+
+genrule(
+  name = '_project',
+  cmd = '${:gen_project} $OUT',
+  srcs = [],
+  deps = [':gen_project'],
+  out = 'project',
+)
+
+genrule(
+  name = '_classpath',
+  cmd = '${:gen_classpath} $OUT $DEPS',
+  srcs = [],
+  deps = [
+    ':classpath',
+    ':gen_classpath',
+  ],
+  out = 'classpath',
+)
+
+genrule(
+  name = '_classpath_nocompile',
+  cmd = '${:gen_classpath}',
+  srcs = [],
+  deps = [':gen_classpath'],
+  out = '__fake.eclipse__',
+)
+
+python_binary(
+  name = 'gen_classpath',
+  main = 'gen_classpath.py',
+)
+
+python_binary(
+  name = 'gen_project',
+  main = 'gen_project.py',
+)

tools/eclipse/gen_classpath.py

@@ -15,15 +15,18 @@
 #
 # TODO(sop): Remove hack after Buck supports Eclipse
 
-from os import path, link
+from os import path, symlink
 import re
 from subprocess import Popen, PIPE
 from sys import argv
 from xml.dom import minidom
 
 OUT = argv[1] if len(argv) >= 2 else None
-ROOT = path.dirname(path.dirname(path.abspath(__file__)))
-MAIN = ['//:eclipse_classpath']
+ROOT = path.abspath(__file__)
+for _ in range(0, 3):
+  ROOT = path.dirname(ROOT)
+
+MAIN = ['//tools/eclipse:classpath']
 GWT = ['//gerrit-gwtui:ui_module']
 JRE = '/'.join([
   'org.eclipse.jdt.launching.JRE_CONTAINER',
@@ -115,4 +118,4 @@ p = path.join(ROOT, '.classpath')
 with open(p, 'w') as fd:
   doc.writexml(fd, addindent = '  ', newl = '\n', encoding='UTF-8')
 if OUT:
-  link(p, OUT)
+  symlink(p, OUT)

tools/eclipse/gen_project.py

@@ -19,7 +19,9 @@ from os import path, symlink
 from sys import argv
 
 OUT = argv[1]
-ROOT = path.dirname(path.dirname(path.abspath(__file__)))
+ROOT = path.abspath(__file__)
+for _ in range(0, 3):
+  ROOT = path.dirname(ROOT)
 
 p = path.join(ROOT, '.project')
 with open(p, 'w') as fd: