Subversion Repositories openrisc

#! /bin/sh

# Convert one kind of changeset identifier to another.

#

# Usage: gcc-svn-ids -f from_kind -t to_kind id

#

# Where from_kind is one of:

#   index   index into the changeset list used by the reghunt tools

#   rev     is the Subversion revision name

# and to_kind is one of:

#   index   index into the changeset list used by the reghunt tools

#   rev     is the Subversion revision name

#   date    expanded UTC date string

#   branch  the branch, or "trunk" for mainline

#   author  the person who checked in the patch

errmsg () {

  echo $1 1>&2

}

usage () {

  echo 'cvs_ids -f kind -t kind id' 1>&2

  echo '   where from_kind is index or rev' 1>&2

  echo '   and to_kind is index, rev, date, author, or branch' 1>&2

  echo "error"

  exit 1

}

if [ "x${REG_CHANGESET_LIST}" = "x" ]; then

  errmsg "REG_CHANGESET_LIST is not defined"

  echo "error"

  exit 1

fi

if [ ! -f ${REG_CHANGESET_LIST} ]; then

  errmsg "changeset list ${REG_CHANGESET_LIST} does not exist"

  echo "error"

  exit 1

fi

# Use a shorter name here.

LIST=${REG_CHANGESET_LIST}

while getopts "f:t:" ARG; do

  case ${ARG} in

  f) FROM_KIND="${OPTARG}";;

  t) TO_KIND="${OPTARG}";;

  h) usage;;

  *) errmsg "unrecognized option: ${ARG}";

     usage;;

  esac

done

shift `expr ${OPTIND} - 1`

if [ $# -eq 0 ]; then

  errmsg "too few arguments, ID is missing"

  usage

fi

if [ $# -gt 1 ]; then

  errmsg "unexpected arguments: $*"

  usage

fi

ID="$1"

case ${FROM_KIND} in

index)  LINE=`awk -F '|' -v id="${ID}" '{if ($1 == id) print }' < ${LIST}`;;

rev)    LINE=`awk -F '|' -v id="${ID}" '{if ($2 == id) print }' < ${LIST}`;;

*)      errmsg "unrecognized FROM kind: ${FROM_KIND}";

        usage;;

esac

if [ "x${LINE}" = "x" ]; then

  errmsg "no entry found for ${FROM_KIND} = ${ID}"

  echo "error"

  exit 1

fi

case ${TO_KIND} in

index)  TO_ID="`echo ${LINE} | awk -F '|' '{ print $1 }'`";;

rev)    TO_ID="`echo ${LINE} | awk -F '|' '{ print $2 }'`";;

author) TO_ID="`echo ${LINE} | awk -F '|' '{ print $3 }'`";;

date)   TO_ID="`echo ${LINE} | awk -F '|' '{ print $4 }'`";;

branch) TO_ID="`echo ${LINE} | awk -F '|' '{ print $5 }'`";;

*)      errmsg "unrecognized TO kind: ${TO_KIND}";

        usage;;

esac

echo ${TO_ID}