author | insilmaril |
Thu, 08 Nov 2007 15:28:03 +0000 | |
changeset 619 | b48f072a347a |
parent 612 | 316e9237794c |
child 804 | 14f2b1b15242 |
permissions | -rwxr-xr-x |
insilmaril@147 | 1 |
#! /bin/bash |
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# |
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|
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set -e # abort on errors |
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shopt -s nullglob # file globs that don't match expand |
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# to nothing |
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|
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# |
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# Check if $EDITOR is set, otherwise set to "vi". |
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# |
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: ${EDITOR:=vi} |
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|
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# |
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# Check for -f option () |
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# |
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if [ "$1" = -f ]; then |
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retry_lock=1 |
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shift |
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fi |
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|
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# |
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# Detect the name of the file to edit |
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# |
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unset FILE |
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|
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if [ -n "$1" ]; then |
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if [ -f "$1" ]; then |
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FILE=$1 |
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else |
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if [ -d "$1" ]; then |
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cd $1 |
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else |
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FILE=$(package_name $1).changelog |
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fi |
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fi |
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fi |
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|
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if [ -z "$FILE" ]; then |
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for f in *.changelog; do |
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if [ -n "$FILE" ]; then |
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FILE= |
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break |
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fi |
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FILE=$f |
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done |
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fi |
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|
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if [ -z "$FILE" ]; then |
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for f in *.spec; do |
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if [ -n "$FILE" ]; then |
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FILE= |
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break |
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fi |
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FILE=$f |
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done |
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if [ -n "$FILE" ]; then |
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FILE=$(package_name $FILE).changelog |
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fi |
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fi |
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|
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if [ -z "$FILE" ]; then |
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echo "usage: ${0##*/} [filename[.changelog]|path [file_with_comment]]" |
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echo "If no <filename> is given, exactly one *.changelog or" |
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echo "*.spec file has to be in the cwd or in <path>." |
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echo |
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exit 1 |
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fi |
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|
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# |
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# Add domain to username (if it's me ;-) |
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# |
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user=`whoami` |
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if [ $user = "uwedr" ]; then |
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user="$user@suse.de" |
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fi |
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|
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COMMENT_FILE=$2 |
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|
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# |
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# Create the lockfile and temporary file. |
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# |
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lockfile=.${FILE##*/}.lock |
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if [ "${FILE/\//}" != "$FILE" ]; then |
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lockfile=${FILE%/*}/.$lockfile |
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fi |
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|
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if [ ! -w "$(dirname "$FILE")" ]; then |
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echo "Write access to directory $(dirname "$FILE") required" >&2 |
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exit 1 |
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fi |
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|
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if [ -e "$FILE" -a ! -w "$FILE" ]; then |
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echo "Write access to file $FILE required" >&2 |
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exit 1 |
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fi |
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|
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set -o noclobber |
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while ! echo $$@$(hostname -f) 2> /dev/null > $lockfile; do |
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if [ -z "$retry_lock" ]; then |
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echo "$lockfile: Lock by process $(cat $lockfile)" >&2 |
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echo "Please remove stale lockfiles manually" >&2 |
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exit 1 |
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fi |
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echo "$lockfile: Waiting for process $(cat $lockfile) to release lock" >&2 |
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sleep 1 |
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done |
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set +o noclobber |
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|
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tmpfile=$(mktemp /tmp/${0##*/}.XXXXXX) |
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trap "rm -f $lockfile $tmpfile" EXIT |
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|
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# |
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# Prepare the working copy and start the editor |
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# |
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|
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{ timestamp=$(LC_ALL=POSIX TZ=Europe/Berlin date) |
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echo "-------------------------------------------------------------------" |
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echo "$timestamp - $user" |
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echo |
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if [ -z "$COMMENT_FILE" ]; then |
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echo "- " |
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else |
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cat $COMMENT_FILE |
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fi |
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echo |
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if [ -f "$FILE" ]; then |
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cat $FILE |
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fi |
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} >> $tmpfile \ |
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|| exit 1 |
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|
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if [ -z "$COMMENT_FILE" ]; then |
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lines=1 |
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CHKSUM_BEFORE=$(md5sum $tmpfile | awk '{print $1}') |
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else |
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lines=$(wc -l $COMMENT_FILE | awk '{print $1}') |
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CHKSUM_BEFORE=has_changed |
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fi |
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|
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$EDITOR +$((3+lines)) $tmpfile |
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|
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if [ "$CHKSUM_BEFORE" = "$(md5sum $tmpfile | awk '{print $1}')" ]; then |
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exit 1 |
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fi |
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cat $tmpfile > $FILE |