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Diffstat (limited to 'eclass/monotone.eclass')
| -rw-r--r-- | eclass/monotone.eclass | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/eclass/monotone.eclass b/eclass/monotone.eclass new file mode 100644 index 00000000..a8d6ec46 --- /dev/null +++ b/eclass/monotone.eclass @@ -0,0 +1,197 @@ +# Copyright 1999-2012 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 +# $Id$ + +# @ECLASS: monotone.eclass +# @MAINTAINER: +# Martin Väth <martin@mvath.de> +# @AUTHOR: +# Martin Väth <martin@mvath.de> +# @BLURB: The monotone eclass is written to fetch software sources from monotone repositories +# @DESCRIPTION: +# The monotone eclass provides functions to fetch software sources from +# monotone repositories. + +# @ECLASS-VARIABLE: EMTN_STORE_DIR +# @DESCRIPTION: +# monotone sources store directory. Users may override this in /etc/make.conf +: ${EMTN_STORE_DIR:=${PORTAGE_ACTUAL_DISTDIR:-${DISTDIR}}/mtn-src} + +# @ECLASS-VARIABLE: EMTN_OFFLINE +# @DESCRIPTION: +# Set this variable to a non-empty value to disable the automatic updating of +# an monotone source tree. This is intended to be set by users. +: ${EMTN_OFFLINE:=${EVCS_OFFLINE}} + +# @ECLASS-VARIABLE: EMTN_CMD +# @DESCRIPTION: +# monotone command with argument for database which must be '$db' +: ${EMTN_CMD:=mtn -d \"\$db\"} + +# @ECLASS-VARIABLE: EMTN_PULL_CMD +# @DESCRIPTION: +# monotone pull command +: ${EMTN_PULL_CMD:=${EMTN_CMD} pull} + +# @ECLASS-VARIABLE: EMTN_INIT_CMD +# @DESCRIPTION: +# monotone init command +: ${EMTN_INIT_CMD:=${EMTN_CMD} db init} + +# @ECLASS-VARIABLE: EMTN_CO_CMD +# @DESCRIPTION: +# monotone checkout command +: ${EMTN_CO_CMD:=${EMTN_CMD} co} + +# @ECLASS-VARIABLE: EMTN_PRINT_HEADS_CMD +# @DESCRIPTION: +# monotone command to print the revision of the heads +: ${EMTN_PRINT_HEADS_CMD:=${EMTN_CMD} automate heads} + +# @ECLASS-VARIABLE: EMTN_DB +# @DESCRIPTION: +# Name of the database file where the local monotone repository is stored. +: ${EMTN_DB:=${PN}.db} + +# @ECLASS-VARIABLE: EMTN_REPO_URI +# @DESCRIPTION: +# Name of the external monotone repository, e.g. foo.bar.org +: ${EMTN_REPO_URI:=} + +# @ECLASS-VARIABLE: EMTN_GLOB +# @DESCRIPTION: +# Name of the glob for the external repository. Typically '*' +: ${EMTN_GLOB:=*} + +# @ECLASS-VARIABLE: EMTN_MODULEPATH +# @DESCRIPTION: +# Name of the module to checkout +: ${EMTN_MODULEPATH:=${PN}} + +# @ECLASS-VARIABLE: EMTN_MODULEDIR +# @DESCRIPTION: +# Name where the module should come. Empty means: basename of modulepath. +: ${EMTN_MODULEDIR:=} + +# @ECLASS-VARIABLE: EMTN_REVISIONARGS +# @DESCRIPTION: +# Args for revision to checkout, e.g. "-r something" +# The special value "head" means to use the first head. +: ${EMTN_REVISIONARGS=head} + +# @ECLASS-VARIABLE: EMTN_DISABLE_DEPENDENCIES +# @DESCRIPTION: +# Set this variable to a non-empty value to disable the automatic inclusion of +# monotone in dependencies. +: ${EMTN_DISABLE_DEPENDENCIES:=} + +# @FUNCTION: monotone_fetch +# @USAGE: [repo_uri] [glob] [db] +# @DESCRIPTION: +# Fetch/update ${EMTN_STORE_DIR}/database from external uri (using glob) +# and copy it into ${S}. +# After this function, current working directory is ${S}. +# +# Can take three optional parameters: +# repo_uri - a repository URI. If empty defaults to EMTN_REPO_URI. +# glob - The glob for URI. If empty defaults to EMTN_GLOB. +# db - the database filename. If empty defaults to EMTN_DB. +monotone_fetch() { + local repo_uri glob db db_full + repo_uri=${1:-${EMTN_REPO_URI}} + glob=${2:-${EMTN_GLOB}} + db=${3:-${EMTN_DB}} + test -d "${EMTN_STORE_DIR}" || ( + addwrite / + mkdir -p -- "/${EMTN_STORE_DIR}" + ) + cd -P -- "${EMTN_STORE_DIR}" >/dev/null \ + || die "cannot cd to ${EMTN_STORE_DIR}" + + if ! test -e "${db}" + then ( + addwrite "${PWD}" + einfo "Initializing new ${db}" && \ + eval "${EMTN_INIT_CMD}" && \ + einfo "Fetching ${db} from remote ${repo_uri}" && \ + eval "${EMTN_PULL_CMD} \"\${repo_uri}\" \"\${glob}\"" + ) + elif [ -z "${EMTN_OFFLINE}" ] + then ( + addwrite "${PWD}" + einfo "Updating ${db} from remote ${repo_uri}" + eval "${EMTN_PULL_CMD}" + ) + fi || die "Could not fetch/update ${db}" + db_full="${EMTN_STORE_DIR}/${db}" + einfo "Copying database ${db_full} ..." + test -d "${S}" || mkdir -p -- "${S}" || die "mkdir ${S} failed" + cd -- "${S}" >/dev/null + cp -p -- "${db_full}" "${db}" || die "cp ${db_full} ${db} failed" +} + +# @FUNCTION: monotone_co +# @USAGE: [db] [modulepath] [moduledir] [revisionargs] +# @DESCRIPTION: +# Unpack monotone sources from the local database. +# +# All parameters are optional: +# db - the database filename. If empty defaults to EMTN_DB. +# modulepath - the name of the module to checkout. +# If empty defaults to EMTN_MODULEPATH +# moduledir - the name of the directory in which the module should come. +# If empty defaults to EMTN_MODULEDIR +# If that is also empty defaults to basename of EMTN_MODULEPATH. +# revisionargs - Args for the revision to checkout. If empty defaults to +# EMTN_REVISIONARGS. +# The special value "head" means to use the first head. +monotone_co() { + local db modulepath moduledir r + db=${1:-${EMTN_DB}} + modulepath=${2:-${EMTN_MODULEPATH}} + moduledir=${3:-${EMTN_MODULEDIR}} + [ -z "${moduledir}" ] && moduledir=${modulepath##*/} + if [ ${#} -gt 3 ] + then shift 3 + else eval "set -- ${EMTN_REVISIONARGS}" + fi + if [ "${1}" = 'head' ] + then if r=`eval "${EMTN_PRINT_HEADS_CMD} \"\${modulepath}\"" \ + | tail -n1` && [ -n "${r}" ] + then set -- -r "${r}" + else set -- + fi + fi + if [ -n "${modulepath}" ] + then einfo "Checking out module ${modulepath}" + eval "${EMTN_CO_CMD} -b \"\${modulepath}\" \"\${@}\" \"\${moduledir}\"" \ + || die "checkout of ${modulepath} failed" + else einfo "Checking out module ${module}" + eval "${EMTN_CO_CMD} \"\${@}\" \"\${moduledir}\"" \ + || die "checkout of ${module} failed" + fi +} + +# @FUNCTION: monotone_finish +# @USAGE: [db] +# @DESCRIPTION: +# Call this when all modules are checked out: Removes the local database. +# The optional argument db defaults to EMTN_DB. +monotone_finish() { + local db + db=${1:-${EMTN_DB}} + rm -- "${S}/${db}" || die "cannot remove ${S}/${db}" +} + +# @FUNCTION: monotone_src_unpack +# @DESCRIPTION: +# Default src_unpack. Call monotone_fetch, monotone_co, monotone_finish +monotone_src_unpack() { + monotone_fetch + monotone_co + monotone_finish +} + +[ -n "${EMTN_DISABLE_DEPENDENCIES}" ] || DEPEND='dev-vcs/monotone' + +EXPORT_FUNCTIONS src_unpack |