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223f6edb1b
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32 Commits

Author SHA1 Message Date
Samuel Dionne-Riel
223f6edb1b image-builder: clean-up in makeMBR 2019-09-02 17:48:03 -04:00
Samuel Dionne-Riel
bb095d2f14 image-builder: makeExt4: implements blockSize 
The value chosen is the current default from make_ext4fs.

This makes the current tests still valid.
 2019-09-02 17:48:03 -04:00
Samuel Dionne-Riel
e008cb416c image-builder: makeFAT32: use block size 
In addition, present the sector size as an option.

The sector size is required to set a block size in bytes, so giving the
option to the end-user is probably for the best.

The values here were chosen to keep the builder compatible with the
existing tests.

In addition, the values are quite optimized for smaller filesystem
images, e.g. building a FIRMWARE partition for the Raspberry Pi.
 2019-09-02 17:48:03 -04:00
Samuel Dionne-Riel
c0001af576 image-builder: makeFilesystem: reviews minimum size with blockSize 
First of all, `du -s` will always combine the sizes into the multiple of
its given --block-size, so 4×1 byte files will show up as 1 block size
(assuming a block size > 4). The expected size would have been at least
one block size per file, so for 512, 512×4 thus 2048.

With this change, we sum the sizes ourselves.

This adds a new requirement to the filesystems, that they pass the block
size to the generic builder, though this is good, as it will increases
reproducibility. In addition, filesystems can present the option to
users, allowing the user to set their block sizes as expected.
 2019-09-02 16:29:07 -04:00
Samuel Dionne-Riel
32c93bb9a7 image-builder: Freeze time with faketime 
Otherwise, even on simple images, zero-crossing to the next second caused
impurities in the build.
 2019-08-31 18:06:12 -04:00
Samuel Dionne-Riel
7991a96bf4 image-builder: makeMBR: make reproducible 2019-08-31 15:49:05 -04:00
Samuel Dionne-Riel
33c2ecdeae image-builder: Refactors the test mode... 
Using an override is more likely to pass the smell test than a magic
environment variable.
 2019-08-30 22:43:30 -04:00
Samuel Dionne-Riel
554ead277a image-builder: Adds makeExt4 2019-08-29 18:17:13 -04:00
Samuel Dionne-Riel
a37d109515 image-builder: Fixes output hash for default_with_files 
I... don't know what happened?
 2019-08-29 18:17:13 -04:00
Samuel Dionne-Riel
bccbd0aea1 image-builder: Use the mobile-nixos overlay in tests 
Necessary to get the not-upstreamed-yet software in.
 2019-08-29 18:17:13 -04:00
Samuel Dionne-Riel
746df92fb6 image-builder: tests: de-hardcodes partition IDs 2019-08-29 18:13:05 -04:00
Samuel Dionne-Riel
ba36d675f7 image-builder: Prefer symlinks to copies... 
Makes the store path cleaner AND allows to call `nix log` on the
symlink to get more details.
 2019-08-29 18:07:09 -04:00
Samuel Dionne-Riel
763a912d3c image-builder: minimumSize is a filesystem specific option 2019-08-28 21:54:12 -04:00
Samuel Dionne-Riel
346efd3b15 image-builder: Test reproducibility of FAT32 file copy 2019-08-28 21:48:46 -04:00
Samuel Dionne-Riel
9b38d6bbf6 image-builder: makeFAT32: make FAT32 image more reproducible 
The current code in <nixpkgs> is reproducible since the date/time comes
from the store. With my particular tests, the date/time is the current
one since I'm using `>` to create test files.
 2019-08-28 21:47:40 -04:00
Samuel Dionne-Riel
391f710a46 image-builder: makeFAT32 actually FAT32 2019-08-28 21:46:35 -04:00
Samuel Dionne-Riel
af17598d8f makeFAT32: Implements copyPhase 2019-08-28 21:31:45 -04:00
Samuel Dionne-Riel
da8f7db4ec makeFilesystem: Implements copyPhase internals 2019-08-28 21:31:33 -04:00
Samuel Dionne-Riel
9750eb940d image-builder: Adds test for size/populate being left out 2019-08-28 21:06:36 -04:00
Samuel Dionne-Riel
eb8ca1f685 image-builder: handle size and begin work on populate commands 2019-08-28 20:50:28 -04:00
Samuel Dionne-Riel
183c64b638 image-builder: Fix bug in expected failures 2019-08-28 20:49:12 -04:00
Samuel Dionne-Riel
e9a0060987 image-builder: Adds "default" filesystems test 2019-08-28 15:43:28 -04:00
Samuel Dionne-Riel
75bee46289 image-builder: Test output is markdown friendly 
Additionally, tests order is stable.

Though, output is not stable! As store paths can change.
 2019-08-28 15:42:32 -04:00
Samuel Dionne-Riel
18df06ee24 image-builder: nils can now be expected 2019-08-28 15:41:24 -04:00
Samuel Dionne-Riel
372b66da1a image-builder: Test harness can test specific files 2019-08-28 15:14:38 -04:00
Samuel Dionne-Riel
a2fccaccdb WIP makePartitions: dumb way to always re-run tests... 
Can we make this cleaner? --check might not rebuild deep enough.
 2019-08-28 15:02:32 -04:00
Samuel Dionne-Riel
1469d71f88 image-builder: Adds a tests harness 2019-08-28 15:02:29 -04:00
Samuel Dionne-Riel
1dc392d317 WIP: adds image-builder tooling 2019-08-27 15:41:09 -04:00
Samuel Dionne-Riel
0c39da0fff WIP: makeMBR now handles boot flag 2019-08-27 14:25:38 -04:00
Samuel Dionne-Riel
549f0b55eb WIP adds makeFAT32 2019-08-27 14:14:57 -04:00
Samuel Dionne-Riel
24068f0a22 WIP adds makePartition 2019-08-27 14:14:47 -04:00
Samuel Dionne-Riel
9f773535e6 WIP: Adds makeMBR 2019-08-27 14:14:03 -04:00