Commit f7a2965b authored by Raphael Defosseux's avatar Raphael Defosseux
Browse files

Merge remote-tracking branch 'origin/develop'


Signed-off-by: Raphael Defosseux's avatarRaphael Defosseux <raphael.defosseux@eurecom.fr>
parents ae0494b0 05f395b2

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job1:
script:
- date
- pwd
- echo $OAI_TEST_CASE_GROUP
- echo $MACHINELIST
- echo $MACHINELISTGENERIC
- echo $RESULT_DIR
- echo $NRUNS_LTE_SOFTMODEM
- source oaienv
- rm -rf cmake_targets/autotests/log
- mkdir cmake_targets/autotests/log
- cd cmake_targets/autotests/v2
- python main.py
- date
only:
- triggers
......@@ -9,26 +9,36 @@ Please see NOTICE.txt for third party software that is included in the sources.
The OpenAirInterface (OAI) software is composed of the following parts:
openairinterface5g
├── cmake_targets: build utilities to compile (simulation, emulation and real-time platforms), and generated build files
├── common : some common OAI utilities, other tools can be found at openair2/UTILS
├── ci-scripts: Meta-scripts used by the OSA CI process. Contains also configuration files used day-to-day by CI.
├── cmake_targets: Build utilities to compile (simulation, emulation and real-time platforms), and generated build files
├── common : Some common OAI utilities, other tools can be found at openair2/UTILS
├── doc : Contains an up-to-date feature set list
├── LICENSE
├── maketags : script to generate emacs tags
├── openair1 : 3GPP LTE Rel-10 PHY layer + PHY RF simulation and a subset of Rel 12 Features.
├── openair2 :3GPP LTE Rel-10 RLC/MAC/PDCP/RRC/X2AP implementation.
├── maketags : Script to generate emacs tags
├── nfapi : Contains the NFAPI code. A local Readme file provides more details.
├── openair1 : 3GPP LTE Rel-10/12 PHY layer + PHY RF simulation. A local Readme file provides more details.
├── openair2 : 3GPP LTE Rel-10 RLC/MAC/PDCP/RRC/X2AP implementation.
├── COMMON
├── DOCS
├── ENB_APP
├── LAYER2/RLC/ with the following subdirectories: UM_v9.3.0, TM_v9.3.0, and AM_v9.3.0.
├── LAYER2/PDCP/PDCP_v10.1.0.
├── RRC/LITE
├── LAYER2/PDCP/PDCP_v10.1.0.
├── NETWORK_DRIVER
├── PHY_INTERFACE
├── RRC/LITE
├── UTIL
├── X2AP
├── ENB_APP
├── openair3: 3GPP LTE Rel10 for S1AP, NAS GTPV1-U for both ENB and UE.
├── COMMON
├── DOCS
├── GTPV1-U
├── NAS
├── NAS
├── S1AP
├── SCTP
├── SECU
├── UDP
└── targets: top level wrapper for unitary simulation for PHY channels, system-level emulation (eNB-UE with and without S1), and realtime eNB and UE and RRH GW.
├── UTILS
└── targets: Top-level wrappers for unitary simulation for PHY channels, system-level emulation (eNB-UE with and without S1), and realtime eNB and UE and RRH GW.
RELEASE NOTES:
......@@ -44,3 +54,10 @@ v0.6 -> RRH functionality, UE greatly improved, better TDD support,
a lot of bugs fixed. WARNING: oaisim in PHY abstraction mode does not
work, you need to use v0.5.2 for that.
v0.6.1 -> Mostly bugfixes. This is the last version without NFAPI.
v1.0.0 -> January 2019. This version first implements the architectural split described in doc/oai_lte_enb_func_split_arch.png picture.
Only FAPI, nFAPI and IF4.5 interfaces are implemented.
Repository tree structure prepares future integrations of features such as LTE-M, nbIOT or 5G-NR.
Preliminary X2 support has been implemented.
S1-flex has been introduced.
New tools: config library, telnet server, ...
A lot of bugfixes and a proper automated Continuous Integration process validates contributions.
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#/*
# * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
# * contributor license agreements. See the NOTICE file distributed with
# * this work for additional information regarding copyright ownership.
# * The OpenAirInterface Software Alliance licenses this file to You under
# * the OAI Public License, Version 1.1 (the "License"); you may not use this file
# * except in compliance with the License.
# * You may obtain a copy of the License at
# *
# * http://www.openairinterface.org/?page_id=698
# *
# * Unless required by applicable law or agreed to in writing, software
# * distributed under the License is distributed on an "AS IS" BASIS,
# * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# * See the License for the specific language governing permissions and
# * limitations under the License.
# *-------------------------------------------------------------------------------
# * For more information about the OpenAirInterface (OAI) Software Alliance:
# * contact@openairinterface.org
# */
/inet.*brd/{print "interfaceToUse="$NF"done"}
# OAI is using a style that is similar to the Google style
--style=google
# long options can be written without the preceding '--'
# Convert tabs to spaces
convert-tabs
# Indentation is 2 spaces
indent=spaces=2
# Indent 'switch' blocks so that the 'case X:' statements are indented in the switch block.
indent-switches
# Indent preprocessor blocks at bracket level 0.
indent-preproc-block
# Indent multi-line preprocessor #define statements.
indent-preproc-define
# Indent C++ comments beginning in column one.
indent-col1-comments
# Pad empty lines around header blocks
break-blocks
delete-empty-lines
# Attach a pointer or reference operator (*, &, or ^) to the variable name (right)
align-pointer=name
# The code line length is 200 characters/columns (this is the maximum allowed by astyle)
max-code-length=200
# If the line contains logical conditionals they will be placed first on the new line.
break-after-logical
# Force use of the linux end of line
lineend=linux
#!/bin/bash
#/*
# * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
# * contributor license agreements. See the NOTICE file distributed with
# * this work for additional information regarding copyright ownership.
# * The OpenAirInterface Software Alliance licenses this file to You under
# * the OAI Public License, Version 1.1 (the "License"); you may not use this file
# * except in compliance with the License.
# * You may obtain a copy of the License at
# *
# * http://www.openairinterface.org/?page_id=698
# *
# * Unless required by applicable law or agreed to in writing, software
# * distributed under the License is distributed on an "AS IS" BASIS,
# * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# * See the License for the specific language governing permissions and
# * limitations under the License.
# *-------------------------------------------------------------------------------
# * For more information about the OpenAirInterface (OAI) Software Alliance:
# * contact@openairinterface.org
# */
function usage {
echo "OAI RedHat Build Check script"
echo " Original Author: Raphael Defosseux"
echo ""
echo "Usage:"
echo "------"
echo " buildOnRH.sh [OPTIONS]"
echo ""
echo "Options:"
echo "--------"
echo " --job-name #### OR -jn ####"
echo " Specify the name of the Jenkins job."
echo ""
echo " --build-id #### OR -id ####"
echo " Specify the build ID of the Jenkins job."
echo ""
echo " --workspace #### OR -ws ####"
echo " Specify the workspace."
echo ""
echo " --remote-host #### OR -rh ####"
echo " Specify the RedHat remote server."
echo ""
echo " --remote-user-name #### OR -ru ####"
echo " Specify the RedHat remote server username."
echo ""
echo " --remote-password #### OR -rp ####"
echo " Specify the RedHat remote server password."
echo ""
echo " --remote-path #### OR -ra ####"
echo " Specify the RedHat remote server path to work on."
echo ""
}
if [ $# -lt 1 ] || [ $# -gt 14 ]
then
echo "Syntax Error: not the correct number of arguments"
echo ""
usage
exit 1
fi
RH_HOST=XX
RH_USER=XX
RH_PASSWD=XX
RH_PATH=XX
JOB_NAME=XX
BUILD_ID=XX
while [[ $# -gt 0 ]]
do
key="$1"
case $key in
-h|--help)
shift
usage
exit 0
;;
-jn|--job-name)
JOB_NAME="$2"
shift
shift
;;
-id|--build-id)
BUILD_ID="$2"
shift
shift
;;
-ws|--workspace)
JENKINS_WKSP="$2"
shift
shift
;;
-rh|--remote-host)
RH_HOST="$2"
shift
shift
;;
-ru|--remote-user-name)
RH_USER="$2"
shift
shift
;;
-rp|--remote-password)
RH_PASSWD="$2"
shift
shift
;;
-ra|--remote-path)
RH_PATH="$2"
shift
shift
;;
*)
echo "Syntax Error: unknown option: $key"
echo ""
usage
exit 1
esac
done
if [ ! -f $JENKINS_WKSP/localZip.zip ]
then
echo "Missing localZip.zip file!"
exit 1
fi
if [ "$JOB_NAME" == "XX" ] || [ "$BUILD_ID" == "XX" ] || [ "$RH_HOST" == "XX" ] || [ "$RH_USER" == "XX" ] || [ "$RH_PASSWD" == "XX" ] || [ "$RH_PATH" == "XX" ]
then
echo "Missing options"
usage
exit 1
fi
echo "############################################################"
echo "Copying GIT repo into RedHat Server"
echo "############################################################"
echo "rm -Rf ${RH_PATH}" >> rh-cmd.txt
echo "mkdir -p ${RH_PATH}" >> rh-cmd.txt
sshpass -p ${RH_PASSWD} ssh -o 'StrictHostKeyChecking no' ${RH_USER}@${RH_HOST} < rh-cmd.txt
rm -f rh-cmd.txt
echo "############################################################"
echo "Running install and build script on RedHat Server"
echo "############################################################"
sshpass -p ${RH_PASSWD} scp -o 'StrictHostKeyChecking no' $JENKINS_WKSP/localZip.zip ${RH_USER}@${RH_HOST}:${RH_PATH}
echo "cd ${RH_PATH}" > rh-cmd.txt
echo "unzip -qq localZip.zip" >> rh-cmd.txt
echo "source oaienv" >> rh-cmd.txt
echo "cd cmake_targets" >> rh-cmd.txt
echo "mkdir -p log" >> rh-cmd.txt
echo "./build_oai -I -w USRP --eNB > log/install-build.txt 2>&1" >> rh-cmd.txt
sshpass -p ${RH_PASSWD} ssh -o 'StrictHostKeyChecking no' ${RH_USER}@${RH_HOST} < rh-cmd.txt
rm -f rh-cmd.txt
echo "############################################################"
echo "Creating a tmp folder to store results and artifacts"
echo "############################################################"
if [ ! -d $JENKINS_WKSP/archives ]
then
mkdir -p $JENKINS_WKSP/archives
fi
ARCHIVES_LOC=$JENKINS_WKSP/archives/red_hat
if [ ! -d $ARCHIVES_LOC ]
then
mkdir -p $ARCHIVES_LOC
fi
sshpass -p ${RH_PASSWD} scp -o 'StrictHostKeyChecking no' ${RH_USER}@${RH_HOST}:${RH_PATH}/cmake_targets/log/*.txt $ARCHIVES_LOC
echo "############################################################"
echo "Checking build status"
echo "############################################################"
LOG_PATTERN=.Rel14.txt
NB_PATTERN_FILES=4
LOG_FILES=`ls $ARCHIVES_LOC/*.txt`
STATUS=0
NB_FOUND_FILES=0
for FULLFILE in $LOG_FILES
do
if [[ $FULLFILE == *"$LOG_PATTERN"* ]]
then
filename=$(basename -- "$FULLFILE")
PASS_PATTERN=`echo $filename | sed -e "s#$LOG_PATTERN##"`
LOCAL_STAT=`egrep -c "Built target $PASS_PATTERN" $FULLFILE`
if [ $LOCAL_STAT -eq 0 ]; then STATUS=-1; fi
NB_FOUND_FILES=$((NB_FOUND_FILES + 1))
fi
done
if [ $NB_PATTERN_FILES -ne $NB_FOUND_FILES ]
then
echo "Expecting $NB_PATTERN_FILES log files and found $NB_FOUND_FILES"
STATUS=-1
fi
if [ $STATUS -eq 0 ]
then
echo "BUILD_OK" > $ARCHIVES_LOC/build_final_status.log
echo "STATUS seems OK"
else
echo "BUILD_KO" > $ARCHIVES_LOC/build_final_status.log
echo "STATUS failed?"
fi
exit $STATUS
#!/bin/bash
#/*
# * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
# * contributor license agreements. See the NOTICE file distributed with
# * this work for additional information regarding copyright ownership.
# * The OpenAirInterface Software Alliance licenses this file to You under
# * the OAI Public License, Version 1.1 (the "License"); you may not use this file
# * except in compliance with the License.
# * You may obtain a copy of the License at
# *
# * http://www.openairinterface.org/?page_id=698
# *
# * Unless required by applicable law or agreed to in writing, software
# * distributed under the License is distributed on an "AS IS" BASIS,
# * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# * See the License for the specific language governing permissions and
# * limitations under the License.
# *-------------------------------------------------------------------------------
# * For more information about the OpenAirInterface (OAI) Software Alliance:
# * contact@openairinterface.org
# */
function build_usage {
echo "OAI CI VM script"
echo " Original Author: Raphael Defosseux"
echo " Requirements:"
echo " -- uvtool uvtool-libvirt apt-cacher"
echo " -- xenial image already synced"
echo " Default:"
echo " -- eNB with USRP"
echo ""
echo "Usage:"
echo "------"
echo " oai-ci-vm-tool build [OPTIONS]"
echo ""
echo "Mandatory Options:"
echo "--------"
echo " --job-name #### OR -jn ####"
echo " Specify the name of the Jenkins job."
echo ""
echo " --build-id #### OR -id ####"
echo " Specify the build ID of the Jenkins job."
echo ""
echo " --workspace #### OR -ws ####"
echo " Specify the workspace."
echo ""
echo "Options:"
echo "--------"
variant_usage
echo " Specify the variant to build."
echo ""
echo " --keep-vm-alive OR -k"
echo " Keep the VM alive after the build."
echo ""
echo " --daemon OR -D"
echo " Run as daemon"
echo ""
echo " --help OR -h"
echo " Print this help message."
echo ""
}
function build_on_vm {
if [ ! -f $JENKINS_WKSP/localZip.zip ]
then
echo "Missing localZip.zip file!"
STATUS=1
return
fi
if [ ! -f /etc/apt/apt.conf.d/01proxy ]
then
echo "Missing /etc/apt/apt.conf.d/01proxy file!"
echo "Is apt-cacher installed and configured?"
STATUS=1
return
fi
echo "############################################################"
echo "OAI CI VM script"
echo "############################################################"
echo "VM_NAME = $VM_NAME"
echo "VM_CMD_FILE = $VM_CMDS"
echo "JENKINS_WKSP = $JENKINS_WKSP"
echo "ARCHIVES_LOC = $ARCHIVES_LOC"
echo "BUILD_OPTIONS = $BUILD_OPTIONS"
IS_VM_ALIVE=`uvt-kvm list | grep -c $VM_NAME`
if [ $IS_VM_ALIVE -eq 0 ]
then
echo "VM_MEMORY = $VM_MEMORY MBytes"
echo "VM_CPU = $VM_CPU"
echo "############################################################"
echo "Creating VM ($VM_NAME) on Ubuntu Cloud Image base"
echo "############################################################"
uvt-kvm create $VM_NAME release=xenial --memory $VM_MEMORY --cpu $VM_CPU --unsafe-caching --template ci-scripts/template-host.xml
fi
echo "Waiting for VM to be started"
uvt-kvm wait $VM_NAME --insecure
VM_IP_ADDR=`uvt-kvm ip $VM_NAME`
echo "$VM_NAME has for IP addr = $VM_IP_ADDR"
echo "############################################################"
echo "Copying GIT repo into VM ($VM_NAME)"
echo "############################################################"
if [[ "$VM_NAME" == *"-flexran-rtc"* ]]
then
scp -o StrictHostKeyChecking=no $JENKINS_WKSP/flexran/flexran.zip ubuntu@$VM_IP_ADDR:/home/ubuntu/localZip.zip
else
scp -o StrictHostKeyChecking=no $JENKINS_WKSP/localZip.zip ubuntu@$VM_IP_ADDR:/home/ubuntu
fi
scp -o StrictHostKeyChecking=no /etc/apt/apt.conf.d/01proxy ubuntu@$VM_IP_ADDR:/home/ubuntu
echo "############################################################"
echo "Running install and build script on VM ($VM_NAME)"
echo "############################################################"
echo "sudo cp 01proxy /etc/apt/apt.conf.d/" > $VM_CMDS
echo "touch /home/ubuntu/.hushlogin" >> $VM_CMDS
if [[ "$VM_NAME" == *"-cppcheck"* ]]
then
if [ $DAEMON -eq 0 ]
then
echo "echo \"sudo apt-get --yes --quiet install zip cppcheck \"" >> $VM_CMDS
echo "sudo apt-get update > zip-install.txt 2>&1" >> $VM_CMDS
echo "sudo apt-get --yes install zip cppcheck >> zip-install.txt 2>&1" >> $VM_CMDS
else
echo "echo \"sudo apt-get --yes --quiet install zip daemon cppcheck \"" >> $VM_CMDS
echo "sudo apt-get update > zip-install.txt 2>&1" >> $VM_CMDS
echo "sudo apt-get --yes install zip daemon cppcheck >> zip-install.txt 2>&1" >> $VM_CMDS
fi
fi
if [[ "$VM_NAME" == *"-flexran-rtc"* ]]
then
if [ $DAEMON -eq 0 ]
then
echo "echo \"sudo apt-get --yes --quiet install zip curl jq \"" >> $VM_CMDS
echo "sudo apt-get update > zip-install.txt 2>&1" >> $VM_CMDS
echo "sudo apt-get --yes install zip curl jq >> zip-install.txt 2>&1" >> $VM_CMDS
else
echo "echo \"sudo apt-get --yes --quiet install zip daemon curl jq \"" >> $VM_CMDS
echo "sudo apt-get update > zip-install.txt 2>&1" >> $VM_CMDS
echo "sudo apt-get --yes install zip daemon curl jq >> zip-install.txt 2>&1" >> $VM_CMDS
fi
fi
if [[ "$VM_NAME" != *"-cppcheck"* ]] && [[ "$VM_NAME" != *"-flexran-rtc"* ]]
then
if [ $DAEMON -eq 0 ]
then
echo "echo \"sudo apt-get --yes --quiet install zip subversion libboost-dev \"" >> $VM_CMDS
echo "sudo apt-get update > zip-install.txt 2>&1" >> $VM_CMDS
echo "sudo apt-get --yes install zip subversion libboost-dev >> zip-install.txt 2>&1" >> $VM_CMDS
else
echo "echo \"sudo apt-get --yes --quiet install zip daemon subversion libboost-dev \"" >> $VM_CMDS
echo "sudo apt-get update > zip-install.txt 2>&1" >> $VM_CMDS
echo "sudo apt-get --yes install zip daemon subversion libboost-dev >> zip-install.txt 2>&1" >> $VM_CMDS
fi
fi
echo "mkdir tmp" >> $VM_CMDS
echo "cd tmp" >> $VM_CMDS
echo "echo \"unzip -qq -DD ../localZip.zip\"" >> $VM_CMDS
echo "unzip -qq -DD ../localZip.zip" >> $VM_CMDS
if [[ "$VM_NAME" == *"-cppcheck"* ]]
then
echo "mkdir cmake_targets/log" >> $VM_CMDS
echo "chmod 777 cmake_targets/log" >> $VM_CMDS
echo "cp /home/ubuntu/zip-install.txt cmake_targets/log" >> $VM_CMDS
echo "echo \"cppcheck $BUILD_OPTIONS . \"" >> $VM_CMDS
if [ $DAEMON -eq 0 ]
then
echo "cppcheck $BUILD_OPTIONS . 2> cmake_targets/log/cppcheck.xml 1> cmake_targets/log/cppcheck_build.txt" >> $VM_CMDS
else
echo "echo \"cppcheck $BUILD_OPTIONS .\" > ./my-vm-build.sh" >> $VM_CMDS
echo "chmod 775 ./my-vm-build.sh " >> $VM_CMDS
echo "sudo -E daemon --inherit --unsafe --name=build_daemon --chdir=/home/ubuntu/tmp -O /home/ubuntu/tmp/cmake_targets/log/cppcheck_build.txt -E /home/ubuntu/tmp/cmake_targets/log/cppcheck.xml ./my-vm-build.sh" >> $VM_CMDS
fi
fi
if [[ "$VM_NAME" == *"-flexran-rtc"* ]]
then
echo "mkdir -p cmake_targets/log" >> $VM_CMDS
echo "chmod 777 cmake_targets/log" >> $VM_CMDS
echo "cp /home/ubuntu/zip-install.txt cmake_targets/log" >> $VM_CMDS
echo "echo \"./tools/install_dependencies \"" >> $VM_CMDS
echo "./tools/install_dependencies > cmake_targets/log/install-build.txt 2>&1" >> $VM_CMDS
echo "echo \"$BUILD_OPTIONS \"" >> $VM_CMDS
echo "$BUILD_OPTIONS > cmake_targets/log/rt_controller.Rel14.txt 2>&1" >> $VM_CMDS
fi
if [[ "$VM_NAME" != *"-cppcheck"* ]] && [[ "$VM_NAME" != *"-flexran-rtc"* ]]
then
echo "echo \"source oaienv\"" >> $VM_CMDS
echo "source oaienv" >> $VM_CMDS
echo "cd cmake_targets/" >> $VM_CMDS
echo "mkdir log" >> $VM_CMDS
echo "chmod 777 log" >> $VM_CMDS
echo "cp /home/ubuntu/zip-install.txt log" >> $VM_CMDS
if [ $DAEMON -eq 0 ]
then
echo "echo \"./build_oai -I $BUILD_OPTIONS \"" >> $VM_CMDS
echo "./build_oai -I $BUILD_OPTIONS > log/install-build.txt 2>&1" >> $VM_CMDS
else
echo "echo \"./build_oai -I $BUILD_OPTIONS\" > ./my-vm-build.sh" >> $VM_CMDS
echo "chmod 775 ./my-vm-build.sh " >> $VM_CMDS
echo "echo \"sudo -E daemon --inherit --unsafe --name=build_daemon --chdir=/home/ubuntu/tmp/cmake_targets -o /home/ubuntu/tmp/cmake_targets/log/install-build.txt ./my-vm-build.sh\"" >> $VM_CMDS
echo "sudo -E daemon --inherit --unsafe --name=build_daemon --chdir=/home/ubuntu/tmp/cmake_targets -o /home/ubuntu/tmp/cmake_targets/log/install-build.txt ./my-vm-build.sh" >> $VM_CMDS
fi
fi
ssh -o StrictHostKeyChecking=no ubuntu@$VM_IP_ADDR < $VM_CMDS
rm -f $VM_CMDS
}
#!/bin/bash
#/*
# * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
# * contributor license agreements. See the NOTICE file distributed with
# * this work for additional information regarding copyright ownership.
# * The OpenAirInterface Software Alliance licenses this file to You under
# * the OAI Public License, Version 1.1 (the "License"); you may not use this file
# * except in compliance with the License.
# * You may obtain a copy of the License at
# *
# * http://www.openairinterface.org/?page_id=698
# *
# * Unless required by applicable law or agreed to in writing, software
# * distributed under the License is distributed on an "AS IS" BASIS,
# * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# * See the License for the specific language governing permissions and
# * limitations under the License.
# *-------------------------------------------------------------------------------
# * For more information about the OpenAirInterface (OAI) Software Alliance:
# * contact@openairinterface.org
# */
function usage {
echo "OAI Warning Check script"
echo " Original Author: Raphael Defosseux"
echo ""
echo "Usage:"
echo "------"
echo " checkAddedWarnings.sh [OPTIONS]"
echo ""
echo "Options:"
echo "--------"
echo " --src-branch #### OR -sb ####"
echo " Specify the source branch of the merge request."
echo ""
echo " --target-branch #### OR -tb ####"
echo " Specify the target branch of the merge request (usually develop)."
echo ""
echo " --help OR -h"
echo " Print this help message."
echo ""
}
if [ $# -ne 4 ] && [ $# -ne 1 ]
then
echo "Syntax Error: not the correct number of arguments"
echo ""
usage
exit 1
fi
checker=0
while [[ $# -gt 0 ]]
do
key="$1"
case $key in
-h|--help)
shift
usage
exit 0
;;
-sb|--src-branch)
SOURCE_BRANCH="$2"
let "checker|=0x1"<