From 707cf6f26853d6bd7a4803b557c966a19c619cd7 Mon Sep 17 00:00:00 2001
From: Mikhail Klementev <blame@dumpstack.io>
Date: Wed, 24 May 2023 14:36:54 +0000
Subject: [PATCH] feat: use libc from jessie to support the latest backports

---
 distro/debian/debian.go | 27 ++++++++++++++++++++++-----
 1 file changed, 22 insertions(+), 5 deletions(-)

diff --git a/distro/debian/debian.go b/distro/debian/debian.go
index 9da9d43..0ce1f4d 100644
--- a/distro/debian/debian.go
+++ b/distro/debian/debian.go
@@ -273,11 +273,6 @@ func (d Debian) runs() (commands []string) {
 
 	if d.release >= 8 {
 		pkglist = append(pkglist, "initramfs-tools")
-	} else {
-		// by default Debian backports repositories have a lower
-		// priority than stable, so we should specify it manually
-		cmdf("apt-get -y install -t %s-backports initramfs-tools",
-			d.release.Name())
 	}
 
 	if d.release < 9 {
@@ -293,6 +288,28 @@ func (d Debian) runs() (commands []string) {
 		"|| timeout 10m apt-get install -y %s "+
 		"|| apt-get install -y %s", packages, packages, packages)
 
+	if d.release == 7 {
+		// by default Debian backports repositories have a lower
+		// priority than stable, so we should specify it manually
+		cmdf("apt-get -y install -t %s-backports "+
+			"initramfs-tools", d.release.Name())
+
+		// We need newer libc for deb8*~bpo70+1
+		format := "deb [check-valid-until=no trusted=yes] " +
+			"http://snapshot.debian.org/archive/debian/%s " +
+			"jessie main"
+		// Keep it here not in repos to have apt-priority close
+		repo := fmt.Sprintf(format, "20190321T212815Z")
+		cmdf("echo '%s' >> /etc/apt/sources.list", repo)
+		cmdf("echo 'Package: *' >> /etc/apt/preferences.d/jessie")
+		cmdf("echo 'Pin: release a=jessie' >> /etc/apt/preferences.d/jessie")
+		cmdf("echo 'Pin-Priority: 10' >> /etc/apt/preferences.d/jessie")
+
+		cmdf("apt-get -y update")
+
+		cmdf("apt-get -y install -t jessie libc6")
+	}
+
 	cmdf("mkdir -p /lib/modules")
 
 	return