fsck(8) is located in /usr/sib/ on Debian sid:
stdout:
*** Running /home/christian/Coding/workspaces/systemd/test/testdata/test-fstab-generator/test-01-dev-nfs.input
*** Running /home/christian/Coding/workspaces/systemd/test/testdata/test-fstab-generator/test-02-dhcp.input
*** Running /home/christian/Coding/workspaces/systemd/test/testdata/test-fstab-generator/test-03-dhcp6.input
*** Running /home/christian/Coding/workspaces/systemd/test/testdata/test-fstab-generator/test-04-nfs.input
*** Running /home/christian/Coding/workspaces/systemd/test/testdata/test-fstab-generator/test-05-nfs4.input
*** Running /home/christian/Coding/workspaces/systemd/test/testdata/test-fstab-generator/test-06-ipv4.input
*** Running /home/christian/Coding/workspaces/systemd/test/testdata/test-fstab-generator/test-07-ipv6.input
*** Running /home/christian/Coding/workspaces/systemd/test/testdata/test-fstab-generator/test-08-implicit-nfs.input
*** Running /home/christian/Coding/workspaces/systemd/test/testdata/test-fstab-generator/test-09-cifs.input
*** Running /home/christian/Coding/workspaces/systemd/test/testdata/test-fstab-generator/test-10-iscsi.input
*** Running /home/christian/Coding/workspaces/systemd/test/testdata/test-fstab-generator/test-11-live.input
*** Running /home/christian/Coding/workspaces/systemd/test/testdata/test-fstab-generator/test-12-dev-sdx.input
--- /dev/fd/63 2022-11-04 15:39:13.131532174 +0100
+++ /dev/fd/62 2022-11-04 15:39:13.131532174 +0100
@@ -6,3 +6,4 @@
initrd-usr-fs.target.requires
initrd-usr-fs.target.requires/sysroot.mount
sysroot.mount
+systemd-fsck-root.service
**** Unexpected output for /home/christian/Coding/workspaces/systemd/test/testdata/test-fstab-generator/test-12-dev-sdx.input
stderr:
Skipping root directory handling, as root on NFS was requested.
Skipping root directory handling, as root on NFS was requested.
Skipping root directory handling, as root on NFS was requested.
Skipping root directory handling, as root on NFS was requested.
Skipping root directory handling, as root on NFS was requested.
Skipping root directory handling, as root on NFS was requested.
Skipping root directory handling, as root on NFS was requested.
Skipping root directory handling, as root on NFS was requested.
Skipping root directory handling, as root on CIFS was requested.
Skipping root directory handling, as root on iSCSI was requested.
Skipping root directory handling, as root on live image was requested.
Found entry what=/dev/sdx1 where=/sysroot type=n/a opts=ro
Checking was requested for /dev/sdx1, but the fsck command does not exist.
Dangling symlinks get pruned when packaging up the installation
directory. Just store empty files instead, and compare the names
rather than the content for .requires/.wants - the filename is
what is important anyway, the content is ignored.
Fixes#22059