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Add "GPTar update" article #22

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reynir merged 3 commits from gptar-update into main 2024-10-29 11:12:07 +00:00
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articles/gptar-update.md
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@ -29,7 +29,7 @@ This prompted me to [use a different link indicator](https://github.com/reynir/g
This worked pretty great. This worked pretty great.
Listing the archive using GNU tar I still get `GPTAR`, but with verbose listing it's displayed as a `--Volume Header--`: Listing the archive using GNU tar I still get `GPTAR`, but with verbose listing it's displayed as a `--Volume Header--`:
``` ```shell
$ tar -tvf disk.img $ tar -tvf disk.img
Vr-------- 0/0 16896 1970-01-01 01:00 GPTAR--Volume Header-- Vr-------- 0/0 16896 1970-01-01 01:00 GPTAR--Volume Header--
-rw-r--r-- 0/0 14 1970-01-01 01:00 test.txt -rw-r--r-- 0/0 14 1970-01-01 01:00 test.txt
@ -37,7 +37,7 @@ Vr-------- 0/0 16896 1970-01-01 01:00 GPTAR--Volume Header--
And more importantly the `GPTAR` entry is ignored when extracting: And more importantly the `GPTAR` entry is ignored when extracting:
``` ```shell
$ mkdir tmp $ mkdir tmp
$ cd tmp/ $ cd tmp/
$ tar -xf ../disk.img $ tar -xf ../disk.img
@ -49,7 +49,7 @@ test.txt
Unfortunately, this broke bsdtar! Unfortunately, this broke bsdtar!
``` ```shell
$ bsdtar -tf disk.img $ bsdtar -tf disk.img
bsdtar: Damaged tar archive bsdtar: Damaged tar archive
bsdtar: Error exit delayed from previous errors. bsdtar: Error exit delayed from previous errors.
@ -62,7 +62,7 @@ Unacceptable!
So I started to dig into libarchive where bsdtar comes from. So I started to dig into libarchive where bsdtar comes from.
To my surprise, after building bsdtar from the git clone of the source code it ran perfectly fine! To my surprise, after building bsdtar from the git clone of the source code it ran perfectly fine!
``` ```shell
$ ./bsdtar -tf ../gptar/disk.img $ ./bsdtar -tf ../gptar/disk.img
test.txt test.txt
``` ```