diff --git a/examples/shell_provider.sh b/examples/shell_provider.sh
index 9e949dc..4ffbd4b 100755
--- a/examples/shell_provider.sh
+++ b/examples/shell_provider.sh
@@ -2,5 +2,6 @@
 echo $TUNASYNC_WORKING_DIR
 echo $TUNASYNC_LOG_FILE
 echo $TUNASYNC_UPSTREAM_URL
+echo $REPO
 sleep 5
 exit 1
diff --git a/examples/tunasync.conf b/examples/tunasync.conf
index 6cc2600..6db68c5 100644
--- a/examples/tunasync.conf
+++ b/examples/tunasync.conf
@@ -58,5 +58,18 @@ command = "./shell_provider.sh"
 upstream = "https://pypi.python.org/"
 # log_file = "/tmp/arch4-{date}.log"
 use_btrfs = false
+	# set environment varialbes
+	[mirrors.env]
+	REPO = "/usr/local/bin/repo"
 
-# vim: ft=toml
+[[mirrors]]
+name = "arch5"
+provider = "shell"
+command = "./shell_provider.sh"
+upstream = "https://pypi.python.org/"
+# log_file = "/tmp/arch4-{date}.log"
+use_btrfs = false
+	[mirrors.env]
+	REPO = "/usr/local/bin/repo2"
+
+# vim: ft=toml ts=2 sts=2 sw=2
diff --git a/scripts/android.sh b/scripts/android.sh
deleted file mode 100755
index 15a9f38..0000000
--- a/scripts/android.sh
+++ /dev/null
@@ -1,18 +0,0 @@
-#!/bin/bash
-
-function sync_android() {
-	cd $TUNASYNC_WORKING_DIR
-	/usr/local/bin/android-repo sync -f
-}
-
-function update_repo_config() {
-	for repo in $(find $TUNASYNC_WORKING_DIR -type d -not -path "*/.repo/*" -name "*.git")
-	do
-		cd $repo
-		echo $repo
-		git config pack.threads 1
-	done
-}
-
-sync_android
-update_repo_config
diff --git a/scripts/aosp.sh b/scripts/aosp.sh
new file mode 100755
index 0000000..71ac834
--- /dev/null
+++ b/scripts/aosp.sh
@@ -0,0 +1,21 @@
+#!/bin/bash
+
+REPO=${REPO:-"/usr/local/bin/repo"}
+
+function repo_init() {
+	mkdir -p $TUNASYNC_WORKING_DIR
+	cd $TUNASYNC_WORKING_DIR
+	$REPO init -u https://android.googlesource.com/mirror/manifest --mirror
+}
+
+function repo_sync() {
+	cd $TUNASYNC_WORKING_DIR
+	$REPO sync -f
+}
+
+if [ ! -d "$TUNASYNC_WORKING_DIR/git-repo.git" ]; then
+	echo "Initializing AOSP mirror"
+	repo_init
+fi
+
+repo_sync
diff --git a/tunasync/mirror_config.py b/tunasync/mirror_config.py
index ea7bc50..8f57198 100644
--- a/tunasync/mirror_config.py
+++ b/tunasync/mirror_config.py
@@ -53,6 +53,9 @@ class MirrorConfig(object):
             self.options["use_btrfs"] = self._parent.use_btrfs
         assert self.options["use_btrfs"] in (True, False)
 
+        if "env" in self.options:
+            assert isinstance(self.options["env"], dict)
+
     def __getattr__(self, key):
         if key in self.__dict__:
             return self.__dict__[key]
@@ -68,6 +71,7 @@ class MirrorConfig(object):
             'log_dir': self.log_dir,
             'log_file': self.log_file,
             'interval': self.interval,
+            'env': self.env,
             'hooks': hooks,
         }
 
diff --git a/tunasync/mirror_provider.py b/tunasync/mirror_provider.py
index 7da145a..a7b9bdb 100644
--- a/tunasync/mirror_provider.py
+++ b/tunasync/mirror_provider.py
@@ -65,7 +65,7 @@ class RsyncProvider(MirrorProvider):
 
     def __init__(self, name, upstream_url, local_dir, log_dir,
                  useIPv6=True, password=None, exclude_file=None,
-                 log_file="/dev/null", interval=120, hooks=[]):
+                 log_file="/dev/null", interval=120, env=None, hooks=[]):
         super(RsyncProvider, self).__init__(name, local_dir, log_dir, log_file,
                                             interval, hooks)
 
@@ -73,6 +73,7 @@ class RsyncProvider(MirrorProvider):
         self.useIPv6 = useIPv6
         self.exclude_file = exclude_file
         self.password = password
+        self.env = env
 
     @property
     def options(self):
@@ -99,6 +100,9 @@ class RsyncProvider(MirrorProvider):
         new_env = os.environ.copy()
         if self.password is not None:
             new_env["RSYNC_PASSWORD"] = self.password
+        if self.env is not None and isinstance(self.env, dict):
+            for k, v in self.env.items():
+                new_env[k] = v
 
         self.p = sh.rsync(*_args, _env=new_env, _out=log_file,
                           _err_to_out=True, _out_bufsize=1, _bg=True)
@@ -153,6 +157,9 @@ class TwoStageRsyncProvider(RsyncProvider):
         new_env = os.environ.copy()
         if self.password is not None:
             new_env["RSYNC_PASSWORD"] = self.password
+        if self.env is not None and isinstance(self.env, dict):
+            for k, v in self.env.items():
+                new_env[k] = v
 
         with open(log_file, 'w', buffering=1) as f:
             def log_output(line):
@@ -175,13 +182,15 @@ class TwoStageRsyncProvider(RsyncProvider):
 class ShellProvider(MirrorProvider):
 
     def __init__(self, name, command, upstream_url, local_dir, log_dir,
-                 log_file="/dev/null", log_stdout=True, interval=120, hooks=[]):
+                 log_file="/dev/null", log_stdout=True, interval=120, env=None,
+                 hooks=[]):
 
         super(ShellProvider, self).__init__(name, local_dir, log_dir, log_file,
                                             interval, hooks)
         self.upstream_url = str(upstream_url)
         self.command = shlex.split(command)
         self.log_stdout = log_stdout
+        self.env = env
 
     def run(self, ctx={}):
 
@@ -194,6 +203,10 @@ class ShellProvider(MirrorProvider):
         new_env["TUNASYNC_UPSTREAM_URL"] = self.upstream_url
         new_env["TUNASYNC_LOG_FILE"] = log_file
 
+        if self.env is not None and isinstance(self.env, dict):
+            for k, v in self.env.items():
+                new_env[k] = v
+
         _cmd = self.command[0]
         _args = [] if len(self.command) == 1 else self.command[1:]