[app-admin/loki] interim version, not really tested.

app-admin/loki/loki-2.9.10.ebuild

@@ -0,0 +1,65 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit go-module systemd
+
+DESCRIPTION="Like Prometheus, but for logs."
+HOMEPAGE="https://grafana.com/loki"
+SRC_URI="https://github.com/grafana/loki/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="~amd64"
+
+IUSE="+server tools systemd"
+
+RESTRICT="mirror strip"
+
+RDEPEND="acct-group/grafana
+	acct-user/${PN}"
+DEPEND="${RDEPEND}"
+
+src_compile() {
+	BUILD_VERSION="${PV}"
+	BUILD_REVISION="${PV}"
+	BUILD_USER="${P}"
+	BUILD_DATE=`date -u +"%Y-%m-%dT%H:%M:%SZ"`
+
+	VPREFIX="github.com/grafana/${PN}/vendor/github.com/prometheus/common/version"
+
+	EGO_LDFLAGS="-s -w -X ${VPREFIX}.Version=${BUILD_VERSION} -X ${VPREFIX}.Revision=${BUILD_REVISION} -X ${VPREFIX}.BuildUser=${BUILD_USER} -X ${VPREFIX}.BuildDate=${BUILD_DATE}"
+
+	if use server; then
+		einfo "Building cmd/${PN}/${PN}..."
+		CGO_ENABLED=0 go build -ldflags "-extldflags \"-static\" ${EGO_LDFLAGS}" -tags netgo -mod vendor -o cmd/${PN}/${PN} ./cmd/${PN} || die
+	fi
+	if use tools; then
+		einfo "Building cmd/logcli/logcli..."
+		CGO_ENABLED=0 go build -ldflags "-extldflags \"-static\" ${EGO_LDFLAGS}" -tags netgo -mod vendor -o cmd/logcli/logcli ./cmd/logcli || die
+		einfo "Building cmd/${PN}-canary/${PN}-canary..."
+		CGO_ENABLED=0 go build -ldflags "-extldflags \"-static\" ${EGO_LDFLAGS}" -tags netgo -mod vendor -o cmd/${PN}-canary/${PN}-canary ./cmd/${PN}-canary || die
+	fi
+}
+
+src_install() {
+	if use server; then
+		dobin "${S}/cmd/${PN}/${PN}"
+
+		newconfd "${FILESDIR}/${PN}.confd" "${PN}"
+		newinitd "${FILESDIR}/${PN}.initd" "${PN}"
+		use systemd && systemd_newunit "${FILESDIR}"/${PN}.service ${PN}.service
+
+		insinto "/etc/${PN}"
+		doins "${S}/cmd/${PN}/${PN}-local-config.yaml"
+		keepdir "/etc/${PN}"
+		keepdir "/var/lib/${PN}"
+		fowners ${PN}:grafana "/etc/${PN}"
+		fowners ${PN}:grafana "/var/lib/${PN}"
+	fi
+	if use tools; then
+		dobin "${S}/cmd/logcli/logcli"
+		dobin "${S}/cmd/${PN}-canary/${PN}-canary"
+	fi
+}