misc: improve upx_testsuite; cmake update

misc/test-qemu-with-podman/README.md

@@ -1,8 +1,9 @@
 test-qemu-with-podman
 =====================
 
-This directory provides scripts for creating and running rather small Alpine Linux container
-images, intended for testing statically-linked Linux executables with qemu-user.
+This directory provides some simple scripts for creating and running
+quite small Alpine Linux container images, intended for testing
+statically-linked Linux executables with Podman and qemu-user.
 
 Very short usage instructions follow.
 
@@ -39,7 +40,7 @@ Very short usage instructions follow.
 ```sh
     cd /home/upx/src/upx/tmp
 
-    # check that the official binaries do work
+    # check that the official UPX release binaries do work
     qemu-i386 ./upx-4.0.2-i386_linux/upx --version
     qemu-mips ./upx-4.0.2-mips_linux/upx --version
     # ...same for more architectures

misc/test-qemu-with-podman/test-qemu2-alpine/20-image-run-shell.sh

@@ -32,6 +32,10 @@ else
     flags+=( --user 0 )
 fi
 
-podman run "${flags[@]}" "$image" bash -l
+if [[ $# == 0 ]]; then
+    podman run "${flags[@]}" "$image" bash -l
+else
+    podman run "${flags[@]}" "$image" "$@"
+fi
 
 # please see usage instructions in ../README.md

misc/test-qemu-with-podman/test-qemu3-alpine/20-image-run-shell.sh

@@ -32,6 +32,10 @@ else
     flags+=( --user 0 )
 fi
 
-podman run "${flags[@]}" "$image" bash -l
+if [[ $# == 0 ]]; then
+    podman run "${flags[@]}" "$image" bash -l
+else
+    podman run "${flags[@]}" "$image" "$@"
+fi
 
 # please see usage instructions in ../README.md

misc/test-qemu-with-podman/test-qemu4-alpine/20-image-run-shell.sh

@@ -32,6 +32,10 @@ else
     flags+=( --user 0 )
 fi
 
-podman run "${flags[@]}" "$image" bash -l
+if [[ $# == 0 ]]; then
+    podman run "${flags[@]}" "$image" bash -l
+else
+    podman run "${flags[@]}" "$image" "$@"
+fi
 
 # please see usage instructions in ../README.md

misc/test-qemu-with-podman/test-qemu5-alpine/20-image-run-shell.sh

@@ -32,6 +32,10 @@ else
     flags+=( --user 0 )
 fi
 
-podman run "${flags[@]}" "$image" bash -l
+if [[ $# == 0 ]]; then
+    podman run "${flags[@]}" "$image" bash -l
+else
+    podman run "${flags[@]}" "$image" "$@"
+fi
 
 # please see usage instructions in ../README.md

misc/test-qemu-with-podman/test-qemu6-alpine/20-image-run-shell.sh

@@ -32,6 +32,10 @@ else
     flags+=( --user 0 )
 fi
 
-podman run "${flags[@]}" "$image" bash -l
+if [[ $# == 0 ]]; then
+    podman run "${flags[@]}" "$image" bash -l
+else
+    podman run "${flags[@]}" "$image" "$@"
+fi
 
 # please see usage instructions in ../README.md

misc/test-qemu-with-podman/test-qemu7-alpine/20-image-run-shell.sh

@@ -32,6 +32,10 @@ else
     flags+=( --user 0 )
 fi
 
-podman run "${flags[@]}" "$image" bash -l
+if [[ $# == 0 ]]; then
+    podman run "${flags[@]}" "$image" bash -l
+else
+    podman run "${flags[@]}" "$image" "$@"
+fi
 
 # please see usage instructions in ../README.md

misc/test-qemu-with-podman/test-qemu8-alpine/20-image-run-shell.sh

@@ -32,6 +32,10 @@ else
     flags+=( --user 0 )
 fi
 
-podman run "${flags[@]}" "$image" bash -l
+if [[ $# == 0 ]]; then
+    podman run "${flags[@]}" "$image" bash -l
+else
+    podman run "${flags[@]}" "$image" "$@"
+fi
 
 # please see usage instructions in ../README.md