89 lines
2.2 KiB
Plaintext
89 lines
2.2 KiB
Plaintext
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#! /bin/sh
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# Convert one kind of changeset identifier to another.
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#
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# Usage: gcc-svn-ids -f from_kind -t to_kind id
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#
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# Where from_kind is one of:
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# index index into the changeset list used by the reghunt tools
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# rev is the Subversion revision name
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# and to_kind is one of:
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# index index into the changeset list used by the reghunt tools
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# rev is the Subversion revision name
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# date expanded UTC date string
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# branch the branch, or "trunk" for mainline
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# author the person who checked in the patch
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errmsg () {
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echo $1 1>&2
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}
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usage () {
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echo 'cvs_ids -f kind -t kind id' 1>&2
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echo ' where from_kind is index or rev' 1>&2
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echo ' and to_kind is index, rev, date, author, or branch' 1>&2
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echo "error"
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exit 1
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}
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if [ "x${REG_CHANGESET_LIST}" = "x" ]; then
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errmsg "REG_CHANGESET_LIST is not defined"
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echo "error"
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exit 1
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fi
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if [ ! -f ${REG_CHANGESET_LIST} ]; then
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errmsg "changeset list ${REG_CHANGESET_LIST} does not exist"
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echo "error"
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exit 1
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fi
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# Use a shorter name here.
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LIST=${REG_CHANGESET_LIST}
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while getopts "f:t:" ARG; do
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case ${ARG} in
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f) FROM_KIND="${OPTARG}";;
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t) TO_KIND="${OPTARG}";;
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h) usage;;
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*) errmsg "unrecognized option: ${ARG}";
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usage;;
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esac
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done
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shift `expr ${OPTIND} - 1`
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if [ $# -eq 0 ]; then
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errmsg "too few arguments, ID is missing"
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usage
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fi
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if [ $# -gt 1 ]; then
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errmsg "unexpected arguments: $*"
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usage
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fi
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ID="$1"
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case ${FROM_KIND} in
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index) LINE="`awk -F '|' -v id="${ID}" '{if ($1 == id) print }' < ${LIST}`";;
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rev) LINE="`awk -F '|' -v id="${ID}" '{if ($2 == id) print }' < ${LIST}`";;
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*) errmsg "unrecognized FROM kind: ${FROM_KIND}";
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usage;;
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esac
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if [ "x${LINE}" = "x" ]; then
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errmsg "no entry found for ${FROM_KIND} = ${ID}"
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echo "error"
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exit 1
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fi
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case ${TO_KIND} in
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index) TO_ID="`echo ${LINE} | awk -F '|' '{ print $1 }'`";;
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rev) TO_ID="`echo ${LINE} | awk -F '|' '{ print $2 }'`";;
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author) TO_ID="`echo ${LINE} | awk -F '|' '{ print $3 }'`";;
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date) TO_ID="`echo ${LINE} | awk -F '|' '{ print $4 }'`";;
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branch) TO_ID="`echo ${LINE} | awk -F '|' '{ print $5 }'`";;
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*) errmsg "unrecognized TO kind: ${TO_KIND}";
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usage;;
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esac
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echo ${TO_ID}
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