1 #!/bin/bash -u 2 # 3 # Copyright 2016 Google Inc. All Rights Reserved. 4 # 5 # This script is intended to be used by binary_search_state.py, as 6 # part of the binary search triage on the Android source tree. This script 7 # symlinks a list of object files from the 'good' build tree into the working 8 # build tree, for testing. 9 # 10 # It is highly recommended to not use --noincremental with these scripts. If the 11 # switch scripts are given non incremental sets of GOOD/BAD objects, make will 12 # not be able to do an incremental build and will take much longer to build. 13 # 14 15 source android/common.sh 16 17 OBJ_LIST_FILE=$1 18 19 # Symlink from GOOD obj to working tree. 20 SWITCH_CMD="ln -f ${BISECT_GOOD_BUILD}/{} {}; touch {};" 21 22 overall_status=0 23 24 # Check that number of arguments == 1 25 if [ $# -eq 1 ] ; then 26 # Run symlink once per input line, ignore empty lines. 27 # Have ${BISECT_NUM_JOBS} processes running concurrently. 28 # Pass to "sh" to allow multiple commands to be executed. 29 xargs -P ${BISECT_NUM_JOBS} -a ${OBJ_LIST_FILE} -r -l -I '{}' \ 30 sh -c "${SWITCH_CMD}" 31 else 32 echo "ERROR:" 33 echo "Please run the binary search tool with --file_args" 34 echo "Android has too many files to be passed as command line arguments" 35 echo "The binary search tool will now exit..." 36 exit 1 37 fi 38 overall_status=$? 39 40 41 exit ${overall_status} 42
