docker support

gistfile1.txt

From 9790b28ec589485ebb450344d66cfae1bd19dcde Mon Sep 17 00:00:00 2001
From: Hideki Yamane <henrich@debian.org>
Date: Thu, 5 Jul 2018 17:06:25 +0900
Subject: [PATCH] Add docker support (Closes: #890867)

---
 functions                | 4 +++-
 scripts/aequorea         | 4 ++--
 scripts/debian-common    | 4 ++--
 scripts/edgy             | 4 ++--
 scripts/feisty           | 4 ++--
 scripts/gutsy            | 4 ++--
 scripts/sarge.fakechroot | 2 +-
 7 files changed, 14 insertions(+), 12 deletions(-)

diff --git a/functions b/functions
index 4003ed2..b510c0c 100644
--- a/functions
+++ b/functions
@@ -226,6 +226,8 @@ detect_container () {
 		CONTAINER="lxc-libvirt"
 	elif grep -qs ^systemd-nspawn$ /run/systemd/container || [ "$container" = "systemd-nspawn" ]; then
 		CONTAINER="systemd-nspawn"
+	elif grep -qs '[[:space:]]/docker/.*/sys/fs/cgroup' /proc/1/mountinfo; then
+		CONTAINER="docker"
 	else
 		CONTAINER=""
 	fi
@@ -1156,7 +1158,7 @@ setup_proc () {
 	umount_on_exit /lib/init/rw
 }
 
-setup_proc_fakechroot () {
+setup_proc_symlink () {
 	rm -rf "$TARGET/proc"
 	ln -s /proc "$TARGET"
 }
diff --git a/scripts/aequorea b/scripts/aequorea
index 1ae17d8..8c68983 100644
--- a/scripts/aequorea
+++ b/scripts/aequorea
@@ -89,8 +89,8 @@ second_stage_install () {
 		baseprog="$(($baseprog + ${1:-1}))"
 	}
 
-	if doing_variant fakechroot; then
-		setup_proc_fakechroot
+	if doing_variant fakechroot || [ "$CONTAINER" = "docker" ]; then
+		setup_proc_symlink
 	else
 		setup_proc
 		in_target /sbin/ldconfig
diff --git a/scripts/debian-common b/scripts/debian-common
index 211a4c4..a2acd36 100644
--- a/scripts/debian-common
+++ b/scripts/debian-common
@@ -65,8 +65,8 @@ first_stage_install () {
 
 	setup_devices
 
-	if doing_variant fakechroot; then
-		setup_proc_fakechroot
+	if doing_variant fakechroot || [ "$CONTAINER" = "docker" ]; then
+		setup_proc_symlink
 	fi
 }
 
diff --git a/scripts/edgy b/scripts/edgy
index 719a258..d3b1ca1 100644
--- a/scripts/edgy
+++ b/scripts/edgy
@@ -87,8 +87,8 @@ second_stage_install () {
 	baseprog="$(($baseprog + ${1:-1}))"
     }
 
-    if doing_variant fakechroot; then
-	setup_proc_fakechroot
+    if doing_variant fakechroot || [ "$CONTAINER" = "docker" ]; then
+	setup_proc_symlink
     else
 	setup_proc
 	in_target /sbin/ldconfig
diff --git a/scripts/feisty b/scripts/feisty
index e38f799..f3b4031 100644
--- a/scripts/feisty
+++ b/scripts/feisty
@@ -86,8 +86,8 @@ second_stage_install () {
 	baseprog="$(($baseprog + ${1:-1}))"
     }
 
-    if doing_variant fakechroot; then
-	setup_proc_fakechroot
+    if doing_variant fakechroot || [ "$CONTAINER" = "docker" ]; then
+	setup_proc_symlink
     else
 	setup_proc
 	in_target /sbin/ldconfig
diff --git a/scripts/gutsy b/scripts/gutsy
index c3ae032..c3e44fc 100644
--- a/scripts/gutsy
+++ b/scripts/gutsy
@@ -122,8 +122,8 @@ Status: install ok installed" >> "$TARGET/var/lib/dpkg/status"
 		baseprog="$(($baseprog + ${1:-1}))"
 	}
 
-	if doing_variant fakechroot; then
-		setup_proc_fakechroot
+	if doing_variant fakechroot || [ "$CONTAINER" = "docker" ]; then
+		setup_proc_symlink
 	else
 		setup_proc
 		in_target /sbin/ldconfig
diff --git a/scripts/sarge.fakechroot b/scripts/sarge.fakechroot
index df3ae1b..c2e8566 100644
--- a/scripts/sarge.fakechroot
+++ b/scripts/sarge.fakechroot
@@ -101,7 +101,7 @@ second_stage_install () {
     }
 
     setup_devices_fakechroot
-    setup_proc_fakechroot
+    setup_proc_symlink
 
     DEBIAN_FRONTEND=noninteractive
     export DEBIAN_FRONTEND
-- 
2.18.0