all: CI and misc updates

misc/cross-compile-upx-with-podman/10-create-image.sh

@@ -14,4 +14,5 @@ image=upx-cross-compile-20230115-v3
 podman build -t "$image" -f "$argv0dir/Dockerfile" "$argv0dir"
 
 podman image list "$image"
+echo
 podman image tree "$image"

misc/cross-compile-upx-with-podman/20-image-run-shell.sh

@@ -8,10 +8,10 @@ argv0=$0; argv0abs="$(readlink -fn "$argv0")"; argv0dir="$(dirname "$argv0abs")"
 
 image=upx-cross-compile-20230115-v3
 
-flags=( -ti --read-only --rm )
+flags=( --read-only --rm --pull=never )
 flags+=( --cap-drop=all )               # drop all capabilities
 flags+=( --network=none )               # no network needed
-flags+=( -e TERM="$TERM" )              # pass $TERM
+flags+=( -ti -e TERM="$TERM" )          # allocate an interactive pseudo-tty and pass $TERM
 if [[ 1 == 1 ]]; then
     # run as user upx 2000:2000
     flags+=( --user 2000 )

misc/cross-compile-upx-with-podman/30-list-packages.sh

@@ -0,0 +1,19 @@
+#! /usr/bin/env bash
+## vim:set ts=4 sw=4 et:
+set -e; set -o pipefail
+argv0=$0; argv0abs="$(readlink -fn "$argv0")"; argv0dir="$(dirname "$argv0abs")"
+
+# list all system packages that are installed in the image
+# using a rootless Podman container
+
+image=upx-cross-compile-20230115-v3
+
+podman image list "$image"
+echo
+podman image tree "$image"
+
+echo 'Packages:'
+flags=( --read-only --rm --pull=never )
+flags+=( --cap-drop=all )               # drop all capabilities
+flags+=( --network=none )               # no network needed
+podman run "${flags[@]}" "$image" bash -c 'dpkg -l | LC_ALL=C sort'