From e99fccf4c741025bf6353b96635ad9690e250bf7 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Wed, 19 Aug 2020 10:25:48 +0200
Subject: add configure-mirror

---
 Dockerfile       |  2 +-
 configure-mirror | 37 +++++++++++++++++++++++++++++++++++++
 2 files changed, 38 insertions(+), 1 deletion(-)
 create mode 100755 configure-mirror

diff --git a/Dockerfile b/Dockerfile
index 6ce2ef1..95e679d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,5 +9,5 @@ LABEL maintainer="Gerd Hoffmann <kraxel@redhat.com>" \
 
 USER root
 
-COPY configure-podman /usr/local/bin
+COPY configure-* /usr/local/bin
 RUN /usr/local/bin/configure-podman
diff --git a/configure-mirror b/configure-mirror
new file mode 100755
index 0000000..1b7ba55
--- /dev/null
+++ b/configure-mirror
@@ -0,0 +1,37 @@
+#!/bin/sh
+
+function set_baseurl() {
+    local furl="$1"
+    local turl="$2"
+    local name="$3"
+    local file
+
+    if test "$turl" = ""; then
+	echo "# no mirror: $furl (env \$$name)"
+	return
+    fi
+
+    for file in /etc/yum.repos.d/*.repo; do
+	grep -q -e "baseurl=$furl" || continue
+	echo "# mirror: $furl -> $turl ($file)"
+	sed	-i.orig \
+		-e 's/^mirrorlist/#mirrorlist/' \
+		-e 's/^#baseurl/baseurl/' \
+		-e "s|baseurl=${furl}|baseurl=${turl}|" \
+		"$file"
+	diff "${file}.orig" "$file"
+    done
+}
+
+#
+# use fixed (configurable) mirror.
+# be cache proxy friendly.
+#
+set_baseurl http://mirror.centos.org/           "${CENTOS_MIRROR}" CENTOS_MIRROR
+set_baseurl http://download.fedoraproject.org/  "${FEDORA_MIRROR}" FEDORA_MIRROR
+
+#
+# no parallel downloads please.
+#
+grep -q max_parallel_downloads /etc/dnf/dnf.conf ||\
+echo max_parallel_downloads=1 >> /etc/dnf/dnf.conf
-- 
cgit