app-misc/ollama: move from dev-ml to app-misc

Could be moved into a new category together with other end user programs
related to machine learning in the future.

Signed-off-by: Lucio Sauer <watermanpaint@posteo.net>

app-misc/ollama/files/ollama

@@ -0,0 +1,30 @@
+#!/sbin/openrc-run
+
+description="Ollama Service"
+command="/usr/bin/ollama"
+command_args="serve"
+command_user="ollama"
+command_group="ollama"
+command_background="yes"
+pidfile="/run/ollama.pid"
+log="/var/log/ollama.log"
+
+# Ollama allows cross-origin requests from 127.0.0.1 and 0.0.0.0 by default.
+# Additional origins can be configured with OLLAMA_ORIGINS.
+# export OLLAMA_ORIGINS="<ip>"
+
+start() {
+	ebegin "Starting $description"
+	exec >> >(logger -t "$RC_SVCNAME Start daemon" -p daemon.info)
+	start-stop-daemon --start --background --user "$command_user" --group "$command_group" \
+			--pidfile "$pidfile" --make-pidfile --exec $command $command_args -1 $log -2 $log
+	eend $?
+}
+
+stop() {
+	ebegin "Stopping $description"
+	exec >> >(logger -t "$RC_SVCNAME Stop daemon" -p daemon.info)
+	start-stop-daemon --stop --pidfile "$pidfile"
+	eend $?
+}
+

app-misc/ollama/metadata.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person" proxied="yes">
+		<email>zdanevich.vitaly@ya.ru</email>
+		<name>Vitaly Zdanevich</name>
+		<description>A copy from https://github.com/MrPenguin07/ebuilds/tree/master/dev-ml/ollama</description>
+	</maintainer>
+	<use>
+		<flag name="nvidia">Add support of nvidia</flag>
+		<flag name="amd">Add support of amd</flag>
+	</use>
+	<upstream>
+		<remote-id type="github">ollama/ollama</remote-id>
+	</upstream>
+</pkgmetadata>

app-misc/ollama/ollama-9999.ebuild

@@ -0,0 +1,74 @@
+# Copyright 2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit git-r3 go-module
+
+DESCRIPTION="Get up and running with Llama 3, Mistral, Gemma, and other language models."
+HOMEPAGE="https://ollama.com"
+EGIT_REPO_URI="https://github.com/ollama/ollama.git"
+LICENSE="MIT"
+SLOT="0"
+
+IUSE="nvidia amd"
+
+RDEPEND="
+	acct-group/ollama
+	acct-user/ollama
+"
+IDEPEND="${RDEPEND}"
+BDEPEND="
+	>=dev-lang/go-1.21.0
+	>=dev-build/cmake-3.24
+	>=sys-devel/gcc-11.4.0
+	nvidia? ( dev-util/nvidia-cuda-toolkit )
+	amd? (
+		sci-libs/clblast
+		dev-libs/rocm-opencl-runtime
+	)
+"
+
+pkg_pretend() {
+	if use amd; then
+		ewarn "WARNING: AMD & Nvidia support in this ebuild are experimental"
+		einfo "If you run into issues, especially compiling dev-libs/rocm-opencl-runtime"
+		einfo "you may try the docker image here https://github.com/ROCm/ROCm-docker"
+		einfo "and follow instructions here"
+		einfo "https://rocm.docs.amd.com/projects/install-on-linux/en/latest/how-to/docker.html"
+	fi
+}
+
+src_unpack() {
+	git-r3_src_unpack
+	go-module_live_vendor
+}
+
+src_compile() {
+	VERSION=$(
+		git describe --tags --first-parent --abbrev=7 --long --dirty --always \
+		| sed -e "s/^v//g"
+		assert
+	)
+	export GOFLAGS="'-ldflags=-w -s \"-X=github.com/ollama/ollama/version.Version=${VERSION}\"'"
+
+	ego generate ./...
+	ego build .
+}
+
+src_install() {
+	dobin ollama
+	doinitd "${FILESDIR}"/ollama
+}
+
+pkg_preinst() {
+	touch /var/log/ollama.log || die
+	fowners ollama:ollama /var/log/ollama.log
+}
+
+pkg_postinst() {
+	einfo "Quick guide:"
+	einfo "ollama serve"
+	einfo "ollama run llama3:70b"
+	einfo "See available models at https://ollama.com/library"
+}