diff --git a/.cirrus.yml b/.cirrus.yml
index 5e6f3c1..45c1098 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -24,7 +24,7 @@ shell_lint_task:
     - apt-get -y install shellcheck
     - apt-get -y clean
   check_script:
-    - shellcheck sysa/run.sh sysb/run.sh sysc/run.sh sysc/run2.sh sysa/helpers.sh
+    - shellcheck sysa/run.sh sysb/init sysb/run.sh sysc/init sysc/run.sh sysc/run2.sh sysa/helpers.sh
 
 reuse_lint_task:
   container:
diff --git a/sysa/SHA256SUMS.pkgs b/sysa/SHA256SUMS.pkgs
index b0dbf28..f613172 100644
--- a/sysa/SHA256SUMS.pkgs
+++ b/sysa/SHA256SUMS.pkgs
@@ -160,7 +160,7 @@ b418ef47a65ba1f52f0b79a96ce2ebf1bb1f4f2a78e3985fa512e6c41477f100  perl5.005-03_0
 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855  perl-5.10.1_0.links
 0e216f189404be18ef7463665e9288258058b322f0636e9b9c19b5262af7980a  perl-5.10.1_0.tar.bz2
 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855  perl-5.32.1_0.links
-9ed0a0c9ff88af07ea2cb2eea6367365da42a346a81b537f6e4a3dc80076953d  perl-5.32.1_0.tar.bz2
+de89e006bed3db40681e3d3f7a485526299d3bebbf4a2ed825f62a7fa94b5947  perl-5.32.1_0.tar.bz2
 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855  perl-5.6.2_0.links
 b5fce312b381d0135d44b1bd30089e89e17ce35e6cf5e326eac87baf6c554dd4  perl-5.6.2_0.tar.bz2
 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855  pkg-config-0.29.2_0.links
diff --git a/sysa/helpers.sh b/sysa/helpers.sh
index 67168ce..8d0605b 100755
--- a/sysa/helpers.sh
+++ b/sysa/helpers.sh
@@ -310,30 +310,35 @@ src_apply() {
     if command -v xbps-install >/dev/null 2>&1; then
         xbps-install -y -R /usr/src/repo "${pkg%%-[0-9]*}"
     else
-        # Overwriting files is mega busted, so do it manually
-        # shellcheck disable=SC2162
-        if [ -e /tmp/filelist.txt ]; then
-            while IFS= read -d $'\0' file; do
-                rm -f "/${file}" >/dev/null 2>&1 || true
-            done < /tmp/filelist.txt
-        fi
-        bzip2 -dc "/usr/src/repo/${pkg}_${revision}.tar.bz2" | \
-            tar -C / -xpf -
-        # shellcheck disable=SC2162
-        # ^ read -r unsupported in old bash
-        while read line; do
-            # shellcheck disable=SC2001
-            # ^ cannot use variable expansion here
-            fname="$(echo "${line}" | sed 's/.* //')"
-            rm -f "${fname}"
-            # shellcheck disable=SC2226,SC2086
-            # ^ ${line} expands into two arguments
-            ln -s ${line}
-            touch -t 197001010000.00 "${fname}"
-        done < "/usr/src/repo/${pkg}_${revision}.links"
+        src_apply_tar "${pkg}" "${revision}"
     fi
 }
 
+src_apply_tar() {
+    local pkg=$1 revision=$2
+    # Overwriting files is mega busted, so do it manually
+    # shellcheck disable=SC2162
+    if [ -e /tmp/filelist.txt ]; then
+        while IFS= read -d $'\0' file; do
+            rm -f "/${file}" >/dev/null 2>&1 || true
+        done < /tmp/filelist.txt
+    fi
+    bzip2 -dc "/usr/src/repo/${pkg}_${revision}.tar.bz2" | \
+        tar -C / -xpf -
+    # shellcheck disable=SC2162
+    # ^ read -r unsupported in old bash
+    while read line; do
+        # shellcheck disable=SC2001
+        # ^ cannot use variable expansion here
+        fname="$(echo "${line}" | sed 's/.* //')"
+        rm -f "${fname}"
+        # shellcheck disable=SC2226,SC2086
+        # ^ ${line} expands into two arguments
+        ln -s ${line}
+        touch -t 197001010000.00 "${fname}"
+    done < "/usr/src/repo/${pkg}_${revision}.links"
+}
+
 # Check if bash function exists
 fn_exists() {
     test "$(type -t "$1")" == 'function'
@@ -376,3 +381,22 @@ populate_device_nodes() {
         test -c "${1}/dev/console" || mknod -m 666 "${1}/dev/console" c 5 1
     fi
 }
+
+sys_transfer() {
+    local dest=$1
+
+    mkdir -p "${dest}/${PREFIX}/bin" "${dest}/${PREFIX}/src"
+
+    # Bash, Tar and Bzip2 are required to install packages
+    cp "${PREFIX}/bin/bash" "${PREFIX}/bin/tar" "${PREFIX}/bin/bzip2" "${dest}${PREFIX}/bin/"
+
+    # Transfer misc files
+    cp "${SOURCES}/helpers.sh" "${SOURCES}/SHA256SUMS.pkgs" "${SOURCES}/bootstrap.cfg" "${dest}/"
+
+    cp -r "${PREFIX}/src/" "${dest}${PREFIX}/"
+
+    shift
+    # Copy additional binaries
+    set -- "${@/#/${PREFIX}/bin/}"
+    cp "$@" "${dest}${PREFIX}/bin/"
+}
diff --git a/sysa/run.sh b/sysa/run.sh
index d7b649c..15c8a01 100755
--- a/sysa/run.sh
+++ b/sysa/run.sh
@@ -253,7 +253,6 @@ if [ "${CHROOT}" = False ]; then
 fi
 
 # In chroot mode transition directly into System C.
-SYSC="/sysc"
-cp -R "${PREFIX}" "${SYSC}"
-cp "${SOURCES}/helpers.sh" "${SOURCES}/SHA256SUMS.pkgs" "${SOURCES}/bootstrap.cfg" "${SYSC}/usr/src/"
+SYSC=/sysc
+sys_transfer "${SYSC}" gzip patch
 exec chroot "${SYSC}" /init
diff --git a/sysb/run.sh b/sysb/run.sh
index 9156625..b561884 100755
--- a/sysb/run.sh
+++ b/sysb/run.sh
@@ -55,6 +55,10 @@ if [ -z "${DISK}" ] || ! [ -e "/dev/${DISK}" ]; then
     ask_disk
 fi
 
+PREFIX=/usr
+SOURCES="${PREFIX}/src"
+SYSC=/sysc
+
 echo "export DISK=${DISK}" >> /usr/src/bootstrap.cfg
 
 # Otherwise, add stuff from sysa to sysb
@@ -64,13 +68,7 @@ mount -t ext4 "/dev/${DISK}" /sysc
 
 # Copy over appropriate data
 echo "Copying data into sysc"
-cp -r /dev /sysc/
-mkdir -p /sysc/usr/src
-# Don't include /usr/src
-find /usr -mindepth 1 -maxdepth 1 -type d -not -name src -exec cp -r {} /sysc/{} \;
-# Except for a few files
-cp /usr/src/helpers.sh /usr/src/SHA256SUMS.pkgs /usr/src/bootstrap.cfg /sysc/usr/src/
-cp -r /usr/src/repo /sysc/usr/src/repo
+sys_transfer "${SYSC}" gzip patch
 sync
 
 # switch_root into sysc 1. for simplicity 2. to avoid kexecing again
diff --git a/sysc/autoconf-2.69/autoconf-2.69.sh b/sysc/autoconf-2.69/autoconf-2.69.sh
index 403eb9d..d2801af 100755
--- a/sysc/autoconf-2.69/autoconf-2.69.sh
+++ b/sysc/autoconf-2.69/autoconf-2.69.sh
@@ -3,8 +3,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-SRCS="autoconf-2.69.tar.xz"
-
 src_prepare() {
     rm doc/standards.info man/*.1
     autoreconf-2.64 -f
diff --git a/sysc/autoconf-2.71/autoconf-2.71.sh b/sysc/autoconf-2.71/autoconf-2.71.sh
index 93e1c36..1a87113 100755
--- a/sysc/autoconf-2.71/autoconf-2.71.sh
+++ b/sysc/autoconf-2.71/autoconf-2.71.sh
@@ -2,8 +2,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-SRCS="autoconf-2.71.tar.xz"
-
 src_prepare() {
     rm doc/standards.info
     autoreconf-2.69 -fi
diff --git a/sysc/autoconf-archive-2021.02.19/autoconf-archive-2021.02.19.sh b/sysc/autoconf-archive-2021.02.19/autoconf-archive-2021.02.19.sh
index ad02ad5..8be7e5d 100755
--- a/sysc/autoconf-archive-2021.02.19/autoconf-archive-2021.02.19.sh
+++ b/sysc/autoconf-archive-2021.02.19/autoconf-archive-2021.02.19.sh
@@ -2,8 +2,6 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-SRCS="autoconf-archive-2021.02.19.tar.xz"
-
 src_prepare() {
     autoreconf-2.69 -fi
 }
diff --git a/sysc/bash-5.1/bash-5.1.sh b/sysc/bash-5.1/bash-5.1.sh
index b6e51c5..7c3b3af 100755
--- a/sysc/bash-5.1/bash-5.1.sh
+++ b/sysc/bash-5.1/bash-5.1.sh
@@ -11,7 +11,7 @@ src_prepare() {
 
     # Rebuild configure script
     rm configure
-    autoconf-2.61
+    autoconf-2.64
 
     # avoid non-deterministic build:
     printf '%s\n%s\n' \
diff --git a/sysc/init b/sysc/init
index 68ffc90..b161d9f 100755
--- a/sysc/init
+++ b/sysc/init
@@ -6,9 +6,51 @@
 
 set -e
 
+# shellcheck source=sysa/helpers.sh
+. helpers.sh
+
+echo
+echo "Installing packages into sysc"
+
+install_tar() {
+    echo "${1}: installing package"
+    src_apply_tar "$@"
+}
+
+# Install packages.
+# First two packages must be coreutils and sed
+
+install_tar coreutils-5.0 0
+install_tar sed-4.0.9 0
+
+install_tar autoconf-2.64 0
+install_tar automake-1.10.3 0
+install_tar binutils-2.14 0
+install_tar bzip2-1.0.8 0
+install_tar bison-3.4.1 2
+install_tar coreutils-6.10 0
+install_tar diffutils-2.7 0
+install_tar findutils-4.2.33 0
+install_tar flex-2.6.4 0
+install_tar gawk-3.0.4 0
+install_tar gcc-4.0.4 1
+install_tar grep-2.4 0
+install_tar help2man-1.36.4 0
+install_tar libtool-2.2.4 0
+install_tar linux-headers-5.10.41 0
+install_tar m4-1.4.7 0
+install_tar make-3.82 0
+install_tar musl-1.2.2 0
+install_tar perl-5.6.2 0
+install_tar util-linux-2.19.1 0
+
+# Fix invocation of bash from perl
+ln -s /usr/bin/bash /usr/bin/sh
+
 # Prepare sysc directory structure
 mkdir -p /usr/src
 mv run*.sh /usr/src
+mv helpers.sh SHA256SUMS.pkgs bootstrap.cfg /usr/src
 mv /*-* /usr/src # build scripts
 
 # Begin sysc bootstrapping process
diff --git a/sysc/run.sh b/sysc/run.sh
index ecaed77..67b387e 100755
--- a/sysc/run.sh
+++ b/sysc/run.sh
@@ -20,7 +20,7 @@ export DISTFILES=/distfiles
 create_fhs() {
     # Add the rest of the FHS that we will use and is not created pre-boot
     rm -rf /sbin /usr/sbin
-    ln -s bin /usr/sbin
+    ln -s bin /usr/sbin # Hack to fix xbps (alternatively need to install which)
     for d in bin lib sbin; do
         ln -s "usr/${d}" "/${d}"
     done