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#!/usr/bin/python
# IBM_PROLOG_BEGIN_TAG
# This is an automatically generated prolog.
#
# $Source: src/tools/models/buildtool/sbeGitUtility.py $
#
# OpenPOWER sbe Project
#
# Contributors Listed Below - COPYRIGHT 2017
#
#
# Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
#
# 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.
#
# IBM_PROLOG_END_TAG
###########################################################
# @file sbeGitUtility.py
# @brief Git Utilility Module to support building SBE image
#
# @author George Keishing
#
# @date Nov 23, 2015
# ----------------------------------------------------
# @version Developer Date Description
# ----------------------------------------------------
# 1.0 gkeishin 11/12/15 Initial create
###########################################################
#-------------------------
# Imports
#-------------------------
import os
import sys
import time
import shutil
import os.path
import subprocess
from subprocess import Popen, PIPE
from os.path import expanduser # for getting $HOME PATH
# Local imports
import sbeConstants as sbeConstants
##########################################################################
# Function : utilGitShowCommitFiles
#
# @param i_commitId : user supplied command line input commit id
# @param i_ppe_path : user supplied command line input path
#
# @brief Check the files associated with this commit id
#
##########################################################################
def utilGitShowCommitFiles(i_commitId, i_ppe_path):
if i_commitId == "None":
return sbeConstants.SUCCESS_EXIT
if i_ppe_path == "None":
l_home_ppe_path = expanduser("~") + "/" +sbeConstants.GIT_PPE_REPO_SB
else:
l_home_ppe_path = i_ppe_path + "/" +sbeConstants.GIT_PPE_REPO_SB
os.chdir(l_home_ppe_path)
print " --> ", l_home_ppe_path
# Quickly check if this commit id is valid or not
is_valid = "git cat-file -t " + i_commitId
p_valid = subprocess.Popen(is_valid, stderr=subprocess.STDOUT, stdout=subprocess.PIPE, shell=True)
for line in p_valid.stdout:
line = line.strip()
if line == "commit":
print " * This Commit Validated "
else:
#There is an error - command has exited with non-zero code
return sbeConstants.ERROR_GIT_CHANGEID_FAILED
# Git command to list only the files associatede with this commit
l_gitCmd='git show --pretty="format:" --name-only ' + i_commitId
print " Executing : ", l_gitCmd
p_out = subprocess.Popen(l_gitCmd, stderr=subprocess.STDOUT, stdout=subprocess.PIPE, shell=True)
for line in p_out.stdout:
line = line.strip()
print " " ,line
return sbeConstants.SUCCESS_EXIT
##########################################################################
# Function : utilGitShowCommitFiles
#
# @param i_commitId : user supplied command line input commit id
# @param i_ppe_path : user supplied command line input path
#
# @brief Check the files associated with this commit id
#
##########################################################################
def utilGitCommitCheckout(i_commitId, i_ppe_path):
if i_commitId == "None":
return sbeConstants.SUCCESS_EXIT
if i_ppe_path == "None":
l_home_ppe_path = expanduser("~") + "/" +sbeConstants.GIT_PPE_REPO_SB
else:
l_home_ppe_path = i_ppe_path + "/" +sbeConstants.GIT_PPE_REPO_SB
os.chdir(l_home_ppe_path)
print " --> ", l_home_ppe_path
# Git command to list only the files associatede with this commit
l_gitCmd='git checkout ' + i_commitId + ' -b test_build'
print " Executing : ", l_gitCmd
p_out = subprocess.Popen(l_gitCmd, stdout=subprocess.PIPE, shell=True)
# Allow time to sink in the checkout
time.sleep(10)
l_gitbranch='git branch'
p_checkout_out = subprocess.Popen(l_gitbranch, stdout=subprocess.PIPE, shell=True)
for line in p_checkout_out.stdout:
line = line.strip()
print " " ,line
# Allow time to switch to new branch
time.sleep(3)
return sbeConstants.SUCCESS_EXIT
##########################################################################
# Function : utilGetChangeID
#
# @param i_num : user supplied command line input commit id
#
# @brief Get the git log id based on the changed ID
#
##########################################################################
def utilGetChangeID(i_num):
print " commit",i_num
l_found = False
#data = []
# execute the command
l_cmd = 'git log ' + i_num
p = subprocess.Popen(l_cmd, stdout=subprocess.PIPE, shell=True)
#(output, err) = p.communicate()
while p.poll() is None:
line = p.stdout.readline()
line = line.strip()
if not line: continue
if i_num in line:
#print "Commit id marker found"
l_found=True
continue
if 'Change-Id:' in line:
if l_found:
#print " ", line
#data.append(line)
break
# Should n't come out without data
if l_found:
return line
else:
return sbeConstants.ERROR_PREP_CHANGE_FAILED
##########################################################################
# Function : utilGetCommitID
#
# @param i_num : user supplied command line input commit id
#
# @brief Get the git log id based on the changed ID
#
##########################################################################
def utilGetCommitID(i_num):
print " Change-Id: ",i_num
l_found = False
#data = []
# execute the command
l_cmd = 'git log'
p = subprocess.Popen(l_cmd, stdout=subprocess.PIPE, shell=True)
while p.poll() is None:
line = p.stdout.readline()
line = line.strip()
if not line:
continue
# Saved off the previous entry which is commit id
if line.startswith('commit'):
l_saved_commit_id=line
if line.startswith('Change-Id:'):
# Check if the Id is found
if i_num in line:
l_found=True
#print " ", l_saved_commit_id
break
else:
continue
# Should n't come out without data
if l_found:
return l_saved_commit_id
else:
return sbeConstants.ERROR_PREP_COM_FAILED
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