From aadf694f946ca4821fe2d9aa47eea67dcb270af9 Mon Sep 17 00:00:00 2001
From: Matej Matuska <mmatuska@redhat.com>
Date: Wed, 7 Dec 2022 21:50:48 +0100
Subject: [PATCH 52/63] Add leapp debug tools to initramfs

Install a script with debug utilities to the Leapp upgrade dracut
module.
---
 .../dracut/90sys-upgrade/leapp_debug_tools.sh | 38 +++++++++++++++++++
 .../dracut/90sys-upgrade/module-setup.sh      |  2 +
 2 files changed, 40 insertions(+)
 create mode 100644 repos/system_upgrade/common/actors/commonleappdracutmodules/files/dracut/90sys-upgrade/leapp_debug_tools.sh

diff --git a/repos/system_upgrade/common/actors/commonleappdracutmodules/files/dracut/90sys-upgrade/leapp_debug_tools.sh b/repos/system_upgrade/common/actors/commonleappdracutmodules/files/dracut/90sys-upgrade/leapp_debug_tools.sh
new file mode 100644
index 00000000..91c228ce
--- /dev/null
+++ b/repos/system_upgrade/common/actors/commonleappdracutmodules/files/dracut/90sys-upgrade/leapp_debug_tools.sh
@@ -0,0 +1,38 @@
+# library containing some useful functions for debugging in initramfs
+
+# mounts the sysroot
+leapp_dbg_mount() {
+    systemctl start sysroot.mount
+    mount -o remount,rw /sysroot
+}
+
+# source programs from $NEWROOT, mount if not mounted
+leapp_dbg_source() {
+    systemctl is-active sysroot.mount --quiet || {
+        echo "sysroot not mounted, mounting...";
+        leapp_dbg_mount || return 1
+    }
+
+    for dir in /bin /sbin; do
+        export PATH="$PATH:${NEWROOT}$dir"
+    done
+
+    export LD_LIBRARY_PATH=/sysroot/lib64
+}
+
+# chroot into $NEWROOT
+leapp_dbg_chroot() {
+    systemctl is-active sysroot.mount --quiet || {
+        echo "sysroot not mounted, mounting...";
+        leapp_dbg_mount || return 1
+    }
+
+    for dir in /sys /run /proc /dev /dev/pts; do
+        mount --bind $dir "$NEWROOT$dir"
+    done || { echo "Failed to mount some directories" || return 1 }
+
+    chroot $NEWROOT sh -c "mount -a; /bin/bash"
+    for dir in /sys /run /proc /dev/pts /dev; do
+        umount $NEWROOT$dir
+    done
+}
diff --git a/repos/system_upgrade/common/actors/commonleappdracutmodules/files/dracut/90sys-upgrade/module-setup.sh b/repos/system_upgrade/common/actors/commonleappdracutmodules/files/dracut/90sys-upgrade/module-setup.sh
index d38617db..a9cfffb4 100755
--- a/repos/system_upgrade/common/actors/commonleappdracutmodules/files/dracut/90sys-upgrade/module-setup.sh
+++ b/repos/system_upgrade/common/actors/commonleappdracutmodules/files/dracut/90sys-upgrade/module-setup.sh
@@ -72,6 +72,8 @@ install() {
     inst_script "${_moddir}/initrd-system-upgrade-generator" \
                 "${generatordir}/initrd-system-upgrade-generator"
 
+    inst_script "${_moddir}/leapp_debug_tools.sh" "/bin/leapp_debug_tools.sh"
+
     ## upgrade shell service
     #sysinit_wantsdir="${_initdir}${unitdir}/sysinit.target.wants"
     #mkdir -p "$sysinit_wantsdir"
-- 
2.39.0