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Closes: https://github.com/gentoo/gentoo/pull/37652 Signed-off-by: David Seifert <soap@gentoo.org>
160 lines
4.3 KiB
Bash
160 lines
4.3 KiB
Bash
# Copyright 1999-2024 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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# @ECLASS: rebar-utils.eclass
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# @MAINTAINER:
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# Florian Schmaus <flow@gentoo.org>
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# @AUTHOR:
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# Amadeusz Żołnowski <aidecoe@gentoo.org>
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# @SUPPORTED_EAPIS: 7 8
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# @BLURB: Auxiliary functions for using dev-util/rebar.
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# @DESCRIPTION:
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# This eclass provides a set of axiliary functions commonly needed
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# when building Erlang/OTP packages with rebar.
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case ${EAPI} in
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7|8) ;;
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*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
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esac
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if [[ -z ${_REBAR_UTILS_ECLASS} ]]; then
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_REBAR_UTILS_ECLASS=1
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# @ECLASS_VARIABLE: REBAR_APP_SRC
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# @DESCRIPTION:
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# Relative path to .app.src description file. Defaults to
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# 'src/${PN}.app.src'.
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: "${REBAR_APP_SRC:=src/${PN}.app.src}"
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# @FUNCTION: get_erl_libs
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# @RETURN: the path to Erlang lib directory
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# @DESCRIPTION:
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# Get the full path without EPREFIX to Erlang lib directory.
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get_erl_libs() {
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echo "/usr/$(get_libdir)/erlang/lib"
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}
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# @FUNCTION: _rebar_find_dep
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# @INTERNAL
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# @USAGE: <project_name>
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# @RETURN: 0 success, 1 dependency not found, 2 multiple versions found
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# @DESCRIPTION:
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# Find a Erlang package/project by name in Erlang lib directory. Project
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# directory is usually suffixed with version. It is matched to '<project_name>'
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# or '<project_name>-*'.
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_rebar_find_dep() {
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local pn="${1}"
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local p
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local result
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pushd "${EPREFIX}$(get_erl_libs)" >/dev/null || return 1
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for p in ${pn} ${pn}-*; do
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if [[ -d ${p} ]]; then
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# Ensure there's at most one matching.
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[[ ${result} ]] && return 2
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result="${p}"
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fi
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done
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popd >/dev/null || die
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[[ ${result} ]] || return 1
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echo "${result}"
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}
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# @FUNCTION: rebar_disable_coverage
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# @USAGE: [<rebar_config>]
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# @DESCRIPTION:
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# Disable coverage in rebar.config. This is a workaround for failing coverage.
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# Coverage is not relevant in this context, so there's no harm to disable it,
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# although the issue should be fixed.
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rebar_disable_coverage() {
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debug-print-function ${FUNCNAME} "$@"
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local rebar_config="${1:-rebar.config}"
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sed -e 's/{cover_enabled, true}/{cover_enabled, false}/' \
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-i "${rebar_config}" \
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|| die "failed to disable coverage in ${rebar_config}"
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}
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# @FUNCTION: rebar_fix_include_path
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# @USAGE: <project_name> [<rebar_config>]
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# @DESCRIPTION:
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# Fix path in rebar.config to 'include' directory of dependent project/package,
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# so it points to installation in system Erlang lib rather than relative 'deps'
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# directory.
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#
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# <rebar_config> is optional. Default is 'rebar.config'.
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#
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# The function dies on failure.
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rebar_fix_include_path() {
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debug-print-function ${FUNCNAME} "$@"
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local pn="${1}"
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local rebar_config="${2:-rebar.config}"
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local erl_libs="${EPREFIX}$(get_erl_libs)"
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local p
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p="$(_rebar_find_dep "${pn}")" \
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|| die "failed to unambiguously resolve dependency of '${pn}'"
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gawk -i inplace \
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-v erl_libs="${erl_libs}" -v pn="${pn}" -v p="${p}" '
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/^{[[:space:]]*erl_opts[[:space:]]*,/, /}[[:space:]]*\.$/ {
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pattern = "\"(./)?deps/" pn "/include\"";
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if (match($0, "{i,[[:space:]]*" pattern "[[:space:]]*}")) {
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sub(pattern, "\"" erl_libs "/" p "/include\"");
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}
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print $0;
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next;
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}
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1
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' "${rebar_config}" || die "failed to fix include paths in ${rebar_config} for '${pn}'"
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}
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# @FUNCTION: rebar_remove_deps
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# @USAGE: [<rebar_config>]
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# @DESCRIPTION:
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# Remove dependencies list from rebar.config and deceive build rules that any
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# dependencies are already fetched and built. Otherwise rebar tries to fetch
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# dependencies and compile them.
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#
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# <rebar_config> is optional. Default is 'rebar.config'.
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#
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# The function dies on failure.
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rebar_remove_deps() {
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debug-print-function ${FUNCNAME} "$@"
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local rebar_config="${1:-rebar.config}"
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mkdir -p "${S}/deps" && :>"${S}/deps/.got" && :>"${S}/deps/.built" || die
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gawk -i inplace '
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/^{[[:space:]]*deps[[:space:]]*,/, /}[[:space:]]*\.$/ {
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if ($0 ~ /}[[:space:]]*\.$/) {
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print "{deps, []}.";
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}
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next;
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}
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1
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' "${rebar_config}" || die "failed to remove deps from ${rebar_config}"
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}
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# @FUNCTION: rebar_set_vsn
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# @USAGE: [<version>]
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# @DESCRIPTION:
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# Set version in project description file if it's not set.
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#
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# <version> is optional. Default is PV stripped from version suffix.
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#
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# The function dies on failure.
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rebar_set_vsn() {
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debug-print-function ${FUNCNAME} "$@"
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local version="${1:-${PV%_*}}"
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sed -e "s/vsn, git/vsn, \"${version}\"/" \
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-i "${S}/${REBAR_APP_SRC}" \
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|| die "failed to set version in src/${PN}.app.src"
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}
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fi
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