fix

Dockerfile.squash

@@ -2,7 +2,3 @@ FROM $RSYNC AS squashed-rsync
 FROM $ANCESTOR AS squashed-ancestor
 ARG ROOTFS="/BASE_ROOTFS_TO_COPY_THAT_WONT_COLLIDE_1234567890"
 ARG PATH="${ROOTFS}_rsync/bin:$PATH"
-SHELL ["busybox",  "sh", "-c"]
-RUN --mount=type=bind,from=final,target=$ROOTFS --mount=type=bind,from=squashed-rsync,target=${ROOTFS}_rsync \
-rsync -Aaz --delete ${ROOTFS}/ / --exclude=/proc --exclude=/sys --exclude=/etc/resolv.conf --exclude=/etc/hosts --exclude=$ROOTFS* --exclude=dev/shm --exclude=dev/pts --exclude=dev/mqueue
-SHELL ["/bin/sh", "-c"]

Dockerfile.squashexec

@@ -0,0 +1,4 @@
+SHELL ["busybox",  "sh", "-c"]
+RUN --mount=type=bind,from=final,target=$ROOTFS --mount=type=bind,from=squashed-rsync,target=${ROOTFS}_rsync \
+rsync -Aaz --delete ${ROOTFS}/ / --exclude=/proc --exclude=/sys --exclude=/etc/resolv.conf --exclude=/etc/hosts --exclude=$ROOTFS* --exclude=dev/shm --exclude=dev/pts --exclude=dev/mqueue
+SHELL ["/bin/sh", "-c"]

helpers/cops_pkgmgr_install.sh

@@ -277,7 +277,7 @@ is_debian_like() { echo $DISTRIB_ID | grep -E -iq "debian|ubuntu|mint"; }
 is_suse_like() { echo $DISTRIB_ID | grep -E -iq "suse"; }
 is_alpine_like() { echo $DISTRIB_ID | grep -E -iq "alpine" || test -e /etc/alpine-release; }
 is_redhat_like() { echo $DISTRIB_ID \
-        | grep -E -iq "((^ol$)|rhel|redhat|red-hat|centos|fedora)"; }
+        | grep -E -iq "((^ol$)|rhel|redhat|red-hat|centos|fedora|amzn)"; }
 set_lang() { locale=${1:-C};export LANG=${locale};export LC_ALL=${locale}; }
 is_darwin () {
     if [ "x${FORCE_DARWIN-}" != "x" ];then return 0;fi

helpers/up.sh

@@ -85,8 +85,10 @@ if ( grep -q amzn /etc/os-release );then
     if ( amazon-linux-extras help >/dev/null 2>&1 );then
         amazon-linux-extras install -y epel
     else
-        yum install -y epel-release
-        yum-config-manager --enable epel
+        if ( yum list | grep -q epel );then
+            yum install -y epel-release
+            yum-config-manager --enable epel
+        fi
     fi
 fi
 if [ -e /etc/redhat-release ];then

main.sh

@@ -465,7 +465,7 @@ gen_image() {
         if [ -e "$df" ];then dockerfiles="$dockerfiles $df" && break;fi
     done
     local parts=""
-    for partsstep in squashpre from args argspost helpers pre base post postextra clean cleanpost predosquash squash postdosquash extra labels labelspost;do
+    for partsstep in squashpre from args argspost helpers pre base post postextra clean cleanpost predosquash squash squashpreexec squashexec postdosquash extra labels labelspost;do
         parts="$parts pre_${partsstep} ${partsstep} post_${partsstep}"
     done
     parts=$(echo "$parts"|xargs)