I noticed an incremental backup was a lot smaller than expected and found that there has been a change since the 0 level list incremental backup was done - not sure when that was. Please see the attached file for a terminal session on Fedora 41 with a minimal example. The first run of tar creates a file of correct length (includes copy of tar binary), while second run with "-g" and a non existent snapshot file creates a minimal tar output file (no test directory or tar binary). I read in the snapshot file created under the terminal session in the attached. Did not turn up anything on a google search.
Thanks,
Eric
$ ls -lR . .: total 8 drwxr-xr-x. 2 user user 4096 Nov 11 16:55 'dir without brackets' drwxr-xr-x. 2 user user 4096 Nov 11 16:19 'test [xxx]'
'./dir without brackets': total 4 -rw-r--r--. 1 user user 573 Nov 11 16:49 t './test [xxx]': total 424 -rwxr-xr-x. 1 user user 431920 Jul 20 2024 tar $ tar --create -f ../x.tar . $ ls -l ../x.tar -rw-r--r--. 1 user user 440320 Nov 11 16:56 ../x.tar $ rm ../snap $ tar --create -g ../snap -f ../x.tar . $ ls -l ../x.tar -rw-r--r--. 1 user user 10240 Nov 11 16:57 ../x.tar $ tar tvf ../x.tar drwxr-xr-x user/user 35 2025-11-11 16:55 ./ drwxr-xr-x user/user 4 2025-11-11 16:55 ./dir without brackets/ -rw-r--r-- user/user 573 2025-11-11 16:49 ./dir without brackets/t $ cat ../snap GNU tar-1.35-2 176284065843197635501762838392508224307517283224./test [xxx]Ytar01762840550172165572517281857.Ddir without bracketsDtest [xxx]01762840550172165572517283290./dir without bracketsYt
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