buck: build standalone jgit binary

Construct the java_application JAR wrapped with the shell script
header.  This is enough to clone a repository over HTTPs:

  $ buck build :jgit_bin
  $ buck-out/gen/jgit_bin/jgit_bin clone https://...

Change-Id: I4aceb4e77b2ec9be76a32ec93d94f2dafe9acce6

BUCK

@@ -36,3 +36,9 @@ java_library(
   ],
   visibility = ['PUBLIC'],
 )
+
+genrule(
+  name = 'jgit_bin',
+  cmd = 'ln -s $(location //org.eclipse.jgit.pgm:jgit) $OUT',
+  out = 'jgit_bin',
+)

lib/BUCK

@@ -25,6 +25,24 @@ maven_jar(
   version = '4.3.6',
 )
 
+maven_jar(
+  name = 'httpcore',
+  bin_sha1 = 'f91b7a4aadc5cf486df6e4634748d7dd7a73f06d',
+  src_sha1 = '1b0aa62a6a91e9fa00c16f0a4a2c874804ed3b1e',
+  group = 'org.apache.httpcomponents',
+  artifact = 'httpcore',
+  version = '4.3.3',
+)
+
+maven_jar(
+  name = 'commons-logging',
+  bin_sha1 = 'f6f66e966c70a83ffbdb6f17a0919eaf7c8aca7f',
+  src_sha1 = '28bb0405fddaf04f15058fbfbe01fe2780d7d3b6',
+  group = 'commons-logging',
+  artifact = 'commons-logging',
+  version = '1.1.3',
+)
+
 maven_jar(
   name = 'slf4j-api',
   bin_sha1 = '0081d61b7f33ebeab314e07de0cc596f8e858d97',
@@ -34,6 +52,15 @@ maven_jar(
   version = '1.7.2',
 )
 
+maven_jar(
+  name = 'slf4j-simple',
+  bin_sha1 = '760055906d7353ba4f7ce1b8908bc6b2e91f39fa',
+  src_sha1 = '09474919128b3a7fcf21a5f9c907f5251f234544',
+  group = 'org.slf4j',
+  artifact = 'slf4j-simple',
+  version = '1.7.2',
+)
+
 maven_jar(
   name = 'servlet-api',
   bin_sha1 = '3cd63d075497751784b2fa84be59432f4905bf7c',
@@ -52,6 +79,15 @@ maven_jar(
   version = '1.6',
 )
 
+maven_jar(
+  name = 'args4j',
+  bin_sha1 = '139441471327b9cc6d56436cb2a31e60eb6ed2ba',
+  src_sha1 = '22631b78cc8f60a6918557e8cbdb33e90f63a77f',
+  group = 'args4j',
+  artifact = 'args4j',
+  version = '2.0.15',
+)
+
 maven_jar(
   name = 'junit',
   bin_sha1 = '4e031bb61df09069aeb2bffb4019e7a5034a4ee0',

org.eclipse.jgit.http.apache/BUCK

@@ -0,0 +1,12 @@
+java_library(
+  name = 'http-apache',
+  srcs = glob(['src/**']),
+  resources = glob(['resources/**']),
+  deps = [
+    '//org.eclipse.jgit:jgit',
+    '//lib:commons-logging',
+    '//lib:httpcomponents',
+    '//lib:httpcore',
+  ],
+  visibility = ['PUBLIC'],
+)

org.eclipse.jgit.pgm/BUCK

@@ -0,0 +1,44 @@
+java_library(
+  name = 'pgm',
+  srcs = glob(['src/**']),
+  resources = glob(['resources/**']),
+  deps = [
+    ':services',
+    '//org.eclipse.jgit:jgit',
+    '//org.eclipse.jgit.archive:jgit-archive',
+    '//org.eclipse.jgit.http.apache:http-apache',
+    '//org.eclipse.jgit.ui:ui',
+    '//lib:args4j',
+  ],
+  visibility = ['PUBLIC'],
+)
+
+prebuilt_jar(
+  name = 'services',
+  binary_jar = ':services__jar',
+)
+
+genrule(
+  name = 'services__jar',
+  cmd = 'cd $SRCDIR ; zip -qr $OUT .',
+  srcs = glob(['META-INF/services/*']),
+  out = 'services.jar',
+)
+
+genrule(
+  name = 'jgit',
+  cmd = 'cat $SRCDIR/jgit.sh $(location :jgit_jar) >$OUT;' +
+        'chmod a+x $OUT',
+  srcs = ['jgit.sh'],
+  out = 'jgit',
+  visibility = ['PUBLIC'],
+)
+
+java_binary(
+  name = 'jgit_jar',
+  main_class = 'org.eclipse.jgit.pgm.Main',
+  deps = [
+    ':pgm',
+    '//lib:slf4j-simple',
+  ],
+)

org.eclipse.jgit.ui/BUCK

@@ -0,0 +1,7 @@
+java_library(
+  name = 'ui',
+  srcs = glob(['src/**']),
+  resources = glob(['resources/**']),
+  deps = ['//org.eclipse.jgit:jgit'],
+  visibility = ['PUBLIC'],
+)