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Name	Size	Permission	Date
490_fix_broken_links.sh	5.81 KB	-rw-r--r--	2026-04-01 09:39
500_ssh_setup.sh	8.36 KB	-rw-r--r--	2026-04-01 09:39
501_check_ssh_keys.sh	6.18 KB	-rw-r--r--	2026-04-01 09:39
502_include_mdadm_conf.sh	345 B	-rw-r--r--	2026-04-01 09:39
503_store_tty_root_password.sh	286 B	-rw-r--r--	2026-04-01 09:39
950_check_missing_programs.sh	1.93 KB	-rw-r--r--	2026-04-01 09:39
960_remove_encryption_keys.sh	3.23 KB	-rw-r--r--	2026-04-01 09:39
970_add_rear_release.sh	134 B	-rw-r--r--	2026-04-01 09:39
975_update_os_conf.sh	794 B	-rw-r--r--	2026-04-01 09:39
990_verify_rootfs.sh	20.79 KB	-rw-r--r--	2026-04-01 09:39
995_md5sums_rootfs.sh	3.34 KB	-rw-r--r--	2026-04-01 09:39

Rename

# build/default/995_md5sums_rootfs.sh
#
# Create md5sums for all regular files in ROOTFS_DIR
# and store the result in ROOTFS_DIR as md5sums.txt
# so that in the recovery system one can test via
#   pushd / ; md5sum --quiet --check md5sums.txt ; popd
# if the regular files in the recovery system are intact.
# That test must happen first of all during recovery system startup
# before files may get changed by recovery system startup scripts
# see skel/default/etc/scripts/system-setup for details.
# The reason behind is that there could be errors during loading/unpacking
# of the initrd/initramfs which are reported (if one knows how to look for them)
# but at least some errors do not abort the boot process so that
# it could happen that files in the recovery system are corrupt
# but the user may not notice the actual error and get any kind
# of inexplicable errors later when using the recovery system,
# see https://github.com/rear/rear/issues/1859
# and https://github.com/rear/rear/issues/1724

# Skip that if the user had specified to exclude md5sums for all files:
test "all" = "$EXCLUDE_MD5SUM_VERIFICATION" && return || Log "Creating md5sums for regular files in $ROOTFS_DIR"

local md5sums_file="md5sums.txt"
# Careful in case of 'return' after 'pushd' (must call the matching 'popd' before 'return'):
pushd $ROOTFS_DIR 1>&2
    cat /dev/null >$md5sums_file
    # Do not provide a md5sums.txt in the recovery system if it was not successfully created here.
    # Exclude the md5sums.txt file itself and all .gitignore files here in any case.
    # Exclude all files with a trailing '~' in their name because those are also excluded
    # when the recovery system initrd is made by pack/GNU/Linux/900_create_initramfs.sh
    # (there via find . ! -name "*~"), see https://github.com/rear/rear/issues/2127
    # Exclude all regular files in /dev/ (device nodes get already excluded by 'find -type f')
    # because sometimes it could happen that there are regular files in /dev/ in ROOTFS_DIR
    # which won't get copied into the recovery system so that those regular files in /dev/
    # are missing when etc/scripts/system-setup tries to verify their md5sums, for example
    # see https://github.com/rear/rear/issues/1883#issuecomment-409875733
    # and https://github.com/rear/rear/issues/1891#issue-347952166
    # that both read (excerpts):
    #   md5sum: ./dev/.SRC-Semaphore: No such file or directory
    #   ./dev/.SRC-Semaphore: FAILED open or read
    # where /dev/.SRC-Semaphore seems to be related to IBM Reliable Scalable Cluster Technology (RSCT)
    # see http://www-01.ibm.com/support/docview.wss?uid=isg1IV35736
    # Excluding particular files from being verified during recovery system startup
    # happens via EXCLUDE_MD5SUM_VERIFICATION in skel/default/etc/scripts/system-setup
    # Be safe against blanks or special characters in file names
    # by using appropriate options for all commands in the pipe,
    # cf. https://github.com/rear/rear/issues/1372
    # In particular newer kernel firmware files have blanks in file names like
    # firmware/brcm/brcmfmac43430a0-sdio.ONDA-V80 PLUS.txt
    # firmware/brcm/brcmfmac43455-sdio.MINIX-NEO Z83-4.txt
    # cf. https://github.com/rear/rear/issues/2407
    find . -xdev -type f -print0 | grep -E -z -v '/md5sums\.txt|/\.gitignore|~$|/dev/' | xargs -0 md5sum -b >>$md5sums_file || cat /dev/null >$md5sums_file
popd 1>&2