From e748ba9741f6540f4675c23e3e37b73e822c13a4 Mon Sep 17 00:00:00 2001
From: V3n3RiX <venerix@redcorelinux.org>
Date: Mon, 31 May 2021 20:59:14 +0100
Subject: gentoo resync : 31.05.2021

---
 eclass/go-module.eclass | 47 +++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 45 insertions(+), 2 deletions(-)

(limited to 'eclass/go-module.eclass')

diff --git a/eclass/go-module.eclass b/eclass/go-module.eclass
index c9a7ab12eaf0..c11895944cdc 100644
--- a/eclass/go-module.eclass
+++ b/eclass/go-module.eclass
@@ -232,10 +232,54 @@ go-module_set_globals() {
 	readonly EGO_SUM_SRC_URI
 	readonly _GOMODULE_GOSUM_REVERSE_MAP
 
+	# export the GOPROXY setting
+	export GOPROXY="file://${T}/go-proxy"
+
 	# Set the guard that we are safe
 	_GO_MODULE_SET_GLOBALS_CALLED=1
 }
 
+# @FUNCTION: go-module_setup_proxy
+# @DESCRIPTION:
+# If your ebuild redefines src_unpack and uses EGO_SUM you need to call
+# this function in src_unpack.
+# It sets up the go module proxy in the appropriate location.
+go-module_setup_proxy() {
+	# shellcheck disable=SC2120
+	debug-print-function "${FUNCNAME}" "$@"
+
+	if [[ ! ${_GO_MODULE_SET_GLOBALS_CALLED} ]]; then
+		die "go-module_set_globals must be called in global scope"
+	fi
+
+	local goproxy_dir="${GOPROXY/file:\/\//}"
+	mkdir -p "${goproxy_dir}" || die
+
+	# For each Golang module distfile, look up where it's supposed to go and
+	# symlink it into place.
+	local f
+	local goproxy_mod_dir
+	for f in ${A}; do
+		goproxy_mod_path="${_GOMODULE_GOSUM_REVERSE_MAP["${f}"]}"
+		if [[ -n "${goproxy_mod_path}" ]]; then
+			debug-print-function "Populating go proxy for ${goproxy_mod_path}"
+			# Build symlink hierarchy
+			goproxy_mod_dir=$( dirname "${goproxy_dir}"/"${goproxy_mod_path}" )
+			mkdir -p "${goproxy_mod_dir}" || die
+			ln -sf "${DISTDIR}"/"${f}" "${goproxy_dir}/${goproxy_mod_path}" ||
+				die "Failed to ln"
+			local v=${goproxy_mod_path}
+			v="${v%.mod}"
+			v="${v%.zip}"
+			v="${v//*\/}"
+			_go-module_gosum_synthesize_files "${goproxy_mod_dir}" "${v}"
+		fi
+	done
+
+	# Validate the gosum now
+	_go-module_src_unpack_verify_gosum
+}
+
 # @FUNCTION: go-module_src_unpack
 # @DESCRIPTION:
 # If EGO_SUM is set, unpack the base tarball(s) and set up the
@@ -268,7 +312,7 @@ _go-module_src_unpack_gosum() {
 		die "go-module_set_globals must be called in global scope"
 	fi
 
-	local goproxy_dir="${T}/go-proxy"
+	local goproxy_dir="${GOPROXY/file:\/\//}"
 	mkdir -p "${goproxy_dir}" || die
 
 	# For each Golang module distfile, look up where it's supposed to go, and
@@ -293,7 +337,6 @@ _go-module_src_unpack_gosum() {
 			unpack "$f"
 		fi
 	done
-	export GOPROXY="file://${goproxy_dir}"
 
 	# Validate the gosum now
 	_go-module_src_unpack_verify_gosum
-- 
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