136 lines
3.1 KiB
Bash
Executable File
136 lines
3.1 KiB
Bash
Executable File
#!/bin/bash
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#
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# Copyright 2017 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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#######################################
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# Test if the following conditions hold for the ec host command
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# The alpha numeric value of the define starts with 0x
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# The alpha numeric value of the define is 4-hex digits
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# The hex digits "A B C D E F" are capitalized
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# Arguments:
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# string - ec host command to check
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# Returns:
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# 0 if command is ok, else 1
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########################################
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check_cmd() {
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IFS=" "
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# Remove any tabs that may exist
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tts=$(echo "$1" | sed 's/\t/ /g')
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arr=( $tts )
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# Check for 0x
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if [[ "${arr[2]}" != 0x* ]]; then
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return 1
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fi
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# Check that length is 6. 0x + 4 hex digits
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if [[ ${#arr[2]} != 6 ]]; then
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return 1
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fi
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# Check that hex digits are valid and uppercase
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hd=${arr[2]:2}
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if ! [[ $hd =~ ^[0-9A-F]{4}$ ]]; then
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return 1
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fi
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# command is ok
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return 0
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}
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#######################################
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# Test if the string arg is in one of the following formats:
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# file.X:#define EC_CMD_X XxXXXX
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# file.X:#define EC_PRV_CMD_X XxXXXX
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# Arguments:
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# string - potential ec host command
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# Returns:
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# 0 if command is formated properly, else 1
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########################################
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should_check() {
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IFS=" "
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arr=( $1 )
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# Check for file.X:#define
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IFS=":"
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temp=( ${arr[0]} )
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# Check for file.X
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if [ ! -f "${temp[0]}" ]; then
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return 1
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fi
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# Check for #define
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if [[ "${temp[1]}" != "#define" ]]; then
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return 1
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fi
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# Check for EC_CMD_XXX or EC_PRV_CMD_XXX
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if [[ "${arr[1]}" != EC_CMD_* ]] && [[ "${arr[1]}" != EC_PRV_CMD_* ]]; then
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return 1
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fi
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# Check for EC_XXX_XXX(n)
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if [[ "${arr[1]}" =~ ')'$ ]]; then
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return 1
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fi
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return 0
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}
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main() {
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# Do not run the check unless an EC_[xxx]CMD change is present.
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if [[ -z "$(git diff "${PRESUBMIT_COMMIT}~" "${PRESUBMIT_COMMIT}" -U0 |
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egrep 'EC_[^ ]*CMD')" ]]; then
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exit 0
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fi
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ec_errors=()
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ei=0
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# Search all file occurrences of "EC_CMD" and store in array
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IFS=$'\n'
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ec_cmds=($(grep -r "EC_CMD"))
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# Loop through and find valid occurrences of "EC_CMD" to check
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length=${#ec_cmds[@]}
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for ((i = 0; i != length; i++)); do
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if should_check "${ec_cmds[i]}"; then
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if ! check_cmd "${ec_cmds[i]}"; then
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ec_errors[$ei]="${ec_cmds[i]}"
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((ei++))
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fi
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fi
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done
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# Search all file occurrances of "EC_PRV_CMD" and store in array
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IFS=$'\n'
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ec_prv_cmds=($(grep -r "EC_PRV_CMD"))
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# Loop through and find valid occurrences of "EC_PRV_CMD" to check
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length=${#ec_prv_cmds[@]}
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for ((i = 0; i != length; i++)); do
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if should_check "${ec_prv_cmds[i]}"; then
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if ! check_cmd "${ec_prv_cmds[i]}"; then
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ec_errors[$ei]="${ec_prv_cmds[i]}"
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((ei++))
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fi
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fi
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done
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# Check if any malformed ec host commands were found
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if [ ! $ei -eq 0 ]; then
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echo "The following host commands are malformed:"
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# print all malformed host commands
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for ((i = 0; i != ei; i++)); do
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echo "FILE: ${ec_errors[i]}"
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done
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exit 1
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fi
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exit 0
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}
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main "$@"
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