From 4f036ae1a0a4376282f281b9467470b775c6ac4e Mon Sep 17 00:00:00 2001
From: Ian Kelling <iank@fsf.org>
Date: Tue, 3 Sep 2024 02:03:54 -0400
Subject: [PATCH] fix btrfs in initramfs

---
 fai/config/package_config/STANDARD |  1 +
 fai/config/scripts/IANK/11-iank    | 20 +++++++++++++++++++-
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/fai/config/package_config/STANDARD b/fai/config/package_config/STANDARD
index 63b198f..afbefab 100644
--- a/fai/config/package_config/STANDARD
+++ b/fai/config/package_config/STANDARD
@@ -36,6 +36,7 @@ xz-utils
 lvm2
 keyutils
 cryptsetup
+btrfs-progs
 sudo
 bridge-utils
 netcat-openbsd
diff --git a/fai/config/scripts/IANK/11-iank b/fai/config/scripts/IANK/11-iank
index 40f024b..a10a5bb 100755
--- a/fai/config/scripts/IANK/11-iank
+++ b/fai/config/scripts/IANK/11-iank
@@ -386,6 +386,19 @@ esac
 
 #### begin btrfs-progs
 
+# we want these files from the package:
+# /usr/share/initramfs-tools/hooks/btrfs
+# /usr/share/initramfs-tools/scripts/local-premount/btrfs
+# everything else, seems better to take from upstream package.
+for f in $(dpkg-query -L btrfs-progs | gr '/man/|^/s?bin/|^/usr/lib/udev') ; do
+  if [[ ! -f $f ]]; then
+    continue
+  fi
+  # use --no-rename so that I don't need to track whether this was the first
+  # btrfs-progs install.
+  $ROOTCMD dpkg-divert --no-rename --local --add $f
+done
+
 ## using dev version for bug fix temporarily. when done, set this to false,
 ## and we can stop copying it in fai-redep.
 static_ver=true
@@ -427,15 +440,19 @@ if [[ $ver != "$cur_ver" ]]; then
     if [[ $FAI_ROOT == / ]]; then
       cd $bp_dir
       make install
+      mv /usr/bin/{fsck,mkfs}.btfs /usr/sbin/
     else
       mkdir -p $target/tmp/bprogs
       mount -o bind $bp_dir $target/tmp/bprogs
       # pre-build. in t11:
       # ./autogen.sh && ./configure --disable-documentation --prefix=/usr && make
-      # in t12, we have the docs prerequisites, so enabled documentation
+      # in t12, we have the docs prerequisites, so enabled documentation.
+      # We won't have the latest docs in t11, i could install them from the t12
+      # build dir, but meh.
       $ROOTCMD bash -xe <<EOF
 cd /tmp/bprogs
 make install
+mv /usr/bin/{fsck,mkfs}.btfs /usr/sbin/
 EOF
     fi
   else
@@ -460,6 +477,7 @@ cd /tmp/${tarball%.tar.gz}
 ./configure --prefix=/usr
 make
 make install
+mv /usr/bin/{fsck,mkfs}.btfs /usr/sbin/
 EOF
     # If our desktop is HOST2, will we btrbk this latest bprogs to other
     # machines.
-- 
2.30.2