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Git-generated patches embed the short-hash of the objects in the
repository. The length of those short hashes are subject to change
in at least three cases:
- the number of objects in the repository increases, so git increases
the length of short hashes to get a good change there is no
collision;
- the git configuration changes, see core.abbrev in git-config;
- the heuristic to compute the length changes in a newer git version.
Since the bump to zfs 2.1.4 in commit 68dfd09708, the patch generated
by github has changed, causing download failures:
wget --passive-ftp -nd -t 3 -O '/home/ymorin/dev/buildroot/O/master/build/.bc3f12bfac152a0c28951cec92340ba14f9ccee9.patch.uoFq9e/output' 'bc3f12bfac.patch'
--2023-11-26 16:53:25--
bc3f12bfac.patch
Resolving github.com (github.com)... 140.82.121.3
Connecting to github.com (github.com)|140.82.121.3|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 2976 (2.9K) [text/plain]
Saving to: ‘/home/ymorin/dev/buildroot/O/master/build/.bc3f12bfac152a0c28951cec92340ba14f9ccee9.patch.uoFq9e/output’
/home/ymorin/dev/buildroot/O/ 100%[================================================>] 2.91K --.-KB/s in 0s
2023-11-26 16:53:25 (15.0 MB/s) - ‘/home/ymorin/dev/buildroot/O/master/build/.bc3f12bfac152a0c28951cec92340ba14f9ccee9.patch.uoFq9e/output’ saved [2976/2976]
ERROR: while checking hashes from package/zfs//zfs.hash
ERROR: bc3f12bfac152a0c28951cec92340ba14f9ccee9.patch has wrong sha256 hash:
ERROR: expected: 96a27353fe717ff2c8b95deb8b009c4eb750303c6400e2d8a2582ab1ec12b25a
ERROR: got : 246c80f66abca5a7e0c41cc7c56eec0b4cb7f16b142262480401142bbc2f999f
ERROR: Incomplete download, or man-in-the-middle (MITM) attack
And indeed, the length of short hashes has increased by one since then.
Fix that by bundling the patch, with the short hashes that were known
then, so that it matches the sha256 we had for it.
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Buildroot is a simple, efficient and easy-to-use tool to generate embedded Linux systems through cross-compilation. The documentation can be found in docs/manual. You can generate a text document with 'make manual-text' and read output/docs/manual/manual.text. Online documentation can be found at http://buildroot.org/docs.html To build and use the buildroot stuff, do the following: 1) run 'make menuconfig' 2) select the target architecture and the packages you wish to compile 3) run 'make' 4) wait while it compiles 5) find the kernel, bootloader, root filesystem, etc. in output/images You do not need to be root to build or run buildroot. Have fun! Buildroot comes with a basic configuration for a number of boards. Run 'make list-defconfigs' to view the list of provided configurations. Please feed suggestions, bug reports, insults, and bribes back to the buildroot mailing list: buildroot@buildroot.org You can also find us on #buildroot on OFTC IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches