In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/sbin/rc.ivrestore line 6:

[ -f $functions ] && . $functions || {

                  ^-- SC2015 (info): Note that A && B || C is not if-then-else. C may run when A is true.

                       ^--------^ SC1090 (warning): ShellCheck can't follow non-constant source. Use a directive to specify location.

For more information:

  https://www.shellcheck.net/wiki/SC1090 -- ShellCheck can't follow non-const...

  https://www.shellcheck.net/wiki/SC2015 -- Note that A && B || C is not if-t...