scripts/unify-sources.sh
author Alpar Juttner <alpar@cs.elte.hu>
Wed, 29 Oct 2008 14:06:08 +0000
changeset 361 2ef43a5d1e49
parent 343 2f5c0c42a5cd
child 411 c5f010a5647a
permissions -rwxr-xr-x
Merge
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#!/bin/bash
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YEAR=`date +2003-%Y`
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HGROOT=`hg root`
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# file enumaration modes
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function all_files() {
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    hg status -a -m -c |
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    cut -d ' ' -f 2 | grep -E '(\.(cc|h|dox)$|Makefile\.am$)' |
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    while read file; do echo $HGROOT/$file; done
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}
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function modified_files() {
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    hg status -a -m |
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    cut -d ' ' -f 2 | grep -E  '(\.(cc|h|dox)$|Makefile\.am$)' |
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    while read file; do echo $HGROOT/$file; done
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}
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function changed_files() {
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    {
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        if [ -n "$HG_PARENT1" ]
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        then
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            hg status --rev $HG_PARENT1:$HG_NODE -a -m
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        fi
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        if [ -n "$HG_PARENT2" ]
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        then
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            hg status --rev $HG_PARENT2:$HG_NODE -a -m
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        fi
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    } | cut -d ' ' -f 2 | grep -E '(\.(cc|h|dox)$|Makefile\.am$)' | 
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    sort | uniq |
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    while read file; do echo $HGROOT/$file; done
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}
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function given_files() {
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    for file in $GIVEN_FILES
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    do
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	echo $file
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    done
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}
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# actions
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function update_action() {
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    if ! diff -q $1 $2 >/dev/null
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    then
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	echo -n " [$3 updated]"
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	rm $2
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	mv $1 $2
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	CHANGED=YES
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    fi
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}
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function update_warning() {
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    echo -n " [$2 warning]"
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    WARNED=YES
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}
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function update_init() {
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    echo Update source files...
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    TOTAL_FILES=0
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    CHANGED_FILES=0
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    WARNED_FILES=0
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}
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function update_done() {
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    echo $CHANGED_FILES out of $TOTAL_FILES files has been changed.
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    echo $WARNED_FILES out of $TOTAL_FILES files triggered warnings.
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}
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function update_begin() {
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    ((TOTAL_FILES++))
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    CHANGED=NO
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    WARNED=NO
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}
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function update_end() {
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    if [ $CHANGED == YES ]
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    then
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	((++CHANGED_FILES))
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    fi
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    if [ $WARNED == YES ]
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    then
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	((++WARNED_FILES))
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    fi
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}
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function check_action() {
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    if [ "$3" == 'tabs' ]
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    then
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        PATTERN=$(echo -e '\t')
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    elif [ "$3" == 'trailing spaces' ]
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    then
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        PATTERN='\ +$'
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    else
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        PATTERN='*'
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    fi
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    if ! diff -q $1 $2 >/dev/null
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    then
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        if [ "$PATTERN" == '*' ]
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        then
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            diff $1 $2 | grep '^[0-9]' | sed "s|^\(.*\)c.*$|$2:\1: check failed: $3|g" |
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              sed "s/:\([0-9]*\),\([0-9]*\):\(.*\)$/:\1:\3 (until line \2)/g"
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        else
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            grep -n -E "$PATTERN" $2 | sed "s|^\([0-9]*\):.*$|$2:\1: check failed: $3|g"
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        fi
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        FAILED=YES
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    fi
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}
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function check_warning() {
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    if [ "$2" == 'long lines' ]
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    then
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        grep -n -E '.{81,}' $1 | sed "s|^\([0-9]*\):.*$|$1:\1: warning: $2|g"
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    else
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        echo "$1: warning: $2"
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    fi
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    WARNED=YES
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}
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function check_init() {
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    echo Check source files...
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    FAILED_FILES=0
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    WARNED_FILES=0
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    TOTAL_FILES=0
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}
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function check_done() {
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    echo $FAILED_FILES out of $TOTAL_FILES files has been failed.
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    echo $WARNED_FILES out of $TOTAL_FILES files triggered warnings.
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    if [ $FAILED_FILES -gt 0 ]
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    then
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	return 1
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    elif [ $WARNED_FILES -gt 0 ]
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    then
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	if [ "$WARNING" == 'INTERACTIVE' ]
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	then
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	    echo -n "Are the files with warnings acceptable? (yes/no) "
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	    while read answer
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	    do
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		if [ "$answer" == 'yes' ]
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		then
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		    return 0
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		elif [ "$answer" == 'no' ]
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		then
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		    return 1
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		fi
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		echo -n "Are the files with warnings acceptable? (yes/no) "
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	    done
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	elif [ "$WARNING" == 'WERROR' ]
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	then
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	    return 1
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	fi
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    fi
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}
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function check_begin() {
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    ((TOTAL_FILES++))
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    FAILED=NO
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    WARNED=NO
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}
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function check_end() {
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    if [ $FAILED == YES ]
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    then
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	((++FAILED_FILES))
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    fi
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    if [ $WARNED == YES ]
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    then
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	((++WARNED_FILES))
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    fi
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}
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# checks
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function header_check() {
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    if echo $1 | grep -q -E 'Makefile\.am$'
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    then
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	return
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    fi
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    TMP_FILE=`mktemp`
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    (echo "/* -*- mode: C++; indent-tabs-mode: nil; -*-
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 *
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 * This file is a part of LEMON, a generic C++ optimization library.
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 *
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 * Copyright (C) "$YEAR"
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 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
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 * (Egervary Research Group on Combinatorial Optimization, EGRES).
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 *
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 * Permission to use, modify and distribute this software is granted
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 * provided that this copyright notice appears in all copies. For
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 * precise terms see the accompanying LICENSE file.
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 *
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 * This software is provided \"AS IS\" with no warranty of any kind,
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 * express or implied, and with no claim as to its suitability for any
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 * purpose.
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 *
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 */
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"
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    awk 'BEGIN { pm=0; }
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     pm==3 { print }
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     /\/\* / && pm==0 { pm=1;}
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     /[^:blank:]/ && (pm==0 || pm==2) { pm=3; print;}
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     /\*\// && pm==1 { pm=2;}
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    ' $1
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    ) >$TMP_FILE
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    "$ACTION"_action "$TMP_FILE" "$1" header
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}
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function tabs_check() {
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    if echo $1 | grep -q -v -E 'Makefile\.am$'
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    then
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        OLD_PATTERN=$(echo -e '\t')
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        NEW_PATTERN='        '
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    else
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        OLD_PATTERN='        '
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        NEW_PATTERN=$(echo -e '\t')
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    fi
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    TMP_FILE=`mktemp`
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    cat $1 | sed -e "s/$OLD_PATTERN/$NEW_PATTERN/g" >$TMP_FILE
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    "$ACTION"_action "$TMP_FILE" "$1" 'tabs'
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}
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function spaces_check() {
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    TMP_FILE=`mktemp`
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    cat $1 | sed -e 's/ \+$//g' >$TMP_FILE
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    "$ACTION"_action "$TMP_FILE" "$1" 'trailing spaces'
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}
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function long_lines_check() {
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    if cat $1 | grep -q -E '.{81,}'
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    then
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	"$ACTION"_warning $1 'long lines'
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    fi
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}
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# process the file
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function process_file() {
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    if [ "$ACTION" == 'update' ]
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    then
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        echo -n "    $ACTION $1..."
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    else
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        echo "	  $ACTION $1..."
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    fi
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    CHECKING="header tabs spaces long_lines"
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    "$ACTION"_begin $1
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    for check in $CHECKING
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    do
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	"$check"_check $1
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    done
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    "$ACTION"_end $1
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    if [ "$ACTION" == 'update' ]
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    then
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        echo
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    fi
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}
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function process_all {
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    "$ACTION"_init
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    while read file
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    do
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	process_file $file
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    done < <($FILES)
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    "$ACTION"_done
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}
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while [ $# -gt 0 ]
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do
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    if [ "$1" == '--help' ] || [ "$1" == '-h' ]
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    then
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	echo -n \
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"Usage:
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  $0 [OPTIONS] [files]
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Options:
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  --dry-run|-n
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     Check the files, but do not modify them.
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  --interactive|-i
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     If --dry-run is specified and the checker emits warnings,
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     then the user is asked if the warnings should be considered
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     errors.
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  --werror|-w
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     Make all warnings into errors.
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  --all|-a
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     Check all source files in the repository.
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  --modified|-m
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     Check only the modified (and new) source files. This option is
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     useful to check the modification before making a commit.
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  --changed|-c
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     Check only the changed source files compared to the parent(s) of
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     the current hg node.  This option is useful as hg hook script.
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     To automatically check all your changes before making a commit,
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     add the following section to the appropriate .hg/hgrc file.
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       [hooks]
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       pretxncommit.checksources = scripts/unify-sources.sh -c -n -i
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  --help|-h
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     Print this help message.
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  files
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     The files to check/unify. If no file names are given, the modified
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     source files will be checked/unified (just like using the
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     --modified|-m option).
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"
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        exit 0
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    elif [ "$1" == '--dry-run' ] || [ "$1" == '-n' ]
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    then
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	[ -n "$ACTION" ] && echo "Conflicting action options" >&2 && exit 1
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	ACTION=check
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    elif [ "$1" == "--all" ] || [ "$1" == '-a' ]
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    then
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	[ -n "$FILES" ] && echo "Conflicting target options" >&2 && exit 1
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	FILES=all_files
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    elif [ "$1" == "--changed" ] || [ "$1" == '-c' ]
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    then
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	[ -n "$FILES" ] && echo "Conflicting target options" >&2 && exit 1
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	FILES=changed_files
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    elif [ "$1" == "--modified" ] || [ "$1" == '-m' ]
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    then
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	[ -n "$FILES" ] && echo "Conflicting target options" >&2 && exit 1
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	FILES=modified_files
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    elif [ "$1" == "--interactive" ] || [ "$1" == "-i" ]
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    then
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	[ -n "$WARNING" ] && echo "Conflicting warning options" >&2 && exit 1
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	WARNING='INTERACTIVE'
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    elif [ "$1" == "--werror" ] || [ "$1" == "-w" ]
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    then
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	[ -n "$WARNING" ] && echo "Conflicting warning options" >&2 && exit 1
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	WARNING='WERROR'
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    elif [ $(echo x$1 | cut -c 2) == '-' ]
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    then
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	echo "Invalid option $1" >&2 && exit 1
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    else
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	[ -n "$FILES" ] && echo "Invalid option $1" >&2 && exit 1
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	GIVEN_FILES=$@
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	FILES=given_files
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	break
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    fi
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    shift
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done
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if [ -z $FILES ]
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then
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    FILES=modified_files
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fi
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if [ -z $ACTION ]
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then
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    ACTION=update
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fi
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process_all