docs: document testing with containers

docs/HACKING.md

@@ -225,64 +225,31 @@ init has the following hook points to inject scripts:
 
 ## Testsuite
 
-For the testsuite to work, you will have to install at least the following software packages:
-
-Fedora:
+### Rootless in a container with podman
 
-```
-dash \
-asciidoc \
-mdadm \
-lvm2 \
-dmraid \
-cryptsetup \
-nfs-utils \
-nbd \
-dhcp-server \
-scsi-target-utils \
-iscsi-initiator-utils \
-strace \
-syslinux \
-python-imgcreate \
-genisoimage \
-btrfs-progs \
-kmod-devel \
-gcc \
-bzip2 \
-xz \
-tar \
-wget \
-rpm-build \
-${NULL}
+```console
+$ cd <DRACUT_SOURCE>
+$ podman pull [CONTAINER]
+$ podman run --rm -it \
+    --cap-add=SYS_PTRACE --user 0 \
+    -v /dev:/dev -v ./:/dracut:z \
+    [CONTAINER] \
+    bash -l
+# cd /dracut
+# ./configure
+# make -j $(getconf _NPROCESSORS_ONLN)
+# cd test
+# make V=1 SKIP="16 60 61" clean check
 ```
 
-Arch Linux:
+with `[CONTAINER]` being one of the
+[github `dracutdevs` containers](https://github.com/orgs/dracutdevs/packages),
+e.g. `ghcr.io/dracutdevs/fedora:latest`.
 
-```
-linux \
-dash \
-strace \
-gcc \
-dhclient \
-asciidoc \
-make \
-dracut \
-qemu \
-jack \
-btrfs-progs \
-mdadm \
-dmraid \
-nfs-utils \
-nfsidmap \
-lvm2 \
-nbd \
-dhcp \
-networkmanager \
-multipath-tools \
-${NULL}
-```
+### On bare metal
 
-### How to run the testsuite on bare metal:
+For the testsuite to pass, you will have to install at least the software packages
+mentioned in the `test/container` Dockerfiles.
 
 ```
 $ sudo make clean check
@@ -304,48 +271,8 @@ debug a specific test case:
 $ cd TEST-01-BASIC
 $ sudo make clean setup run
 ```
-... change some kernel parameters ...
+... change some kernel parameters in `test.sh` ...
 ```
 $ sudo make run
 ```
-to run the test without doing the setup
-
-### Rootless in a container with podman
-
-```console
-podman run -it \
-    --cap-add=SYS_PTRACE --user 0 \
-    -v /dev:/dev -v ./:/dracut \
-    [CONTAINER] \
-    bash
-```
-
-#### Fedora
-
-```console
-$ podman run -it \
-    --cap-add=SYS_PTRACE --user 0 \
-    -v /dev:/dev -v ./:/dracut \
-    quay.io/haraldh/dracut-fedora:34 bash
-# cd /dracut
-# make V=1 check
-# cd test/TEST-01*
-# make clean setup run
-# cd ../..
-# make clean
-```
-
-#### Arch Linux
-```console
-$ podman run -it \
-    --cap-add=SYS_PTRACE --user 0 \
-    -v /dev:/dev -v ./:/dracut \
-    archlinux bash
-# pacman -Sy linux dash strace gcc dhclient asciidoc make dracut \
-    qemu jack btrfs-progs mdadm dmraid nfs-utils nfsidmap lvm2 nbd \
-    dhcp networkmanager multipath-tools vi tcpdump \
-    git shfmt shellcheck astyle which
-# cd /dracut
-# export DRACUT_NO_XATTR=1 KVERSION=$(cd /lib/modules; ls -1 | tail -1)
-# make V=1 TESTS="01 02 03 04 10 11 12 13 14 15 17 20 21 40 41 98" check
-```
+to run the test without doing the setup.