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dm-verity-img.bbclass: Fix bashisms

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Resort to printf in order to avoid usage of non-POSIX compliant echo
flags. This mitigates following errors visible in console during
boot-up with image that has been built on a host that symlinks
'/bin/sh' to 'dash':

  /init: /usr/share/dm-verity.env: line 1: -NE_UUID: not found
  /init: /usr/share/dm-verity.env: line 2: -ne: not found
  /init: /usr/share/dm-verity.env: line 3: 642864e8-6a17-46b9-ba1e-9386a3909c8d: not found
  /init: /usr/share/dm-verity.env: line 4: -NE_HASH_TYPE: not found
  /init: /usr/share/dm-verity.env: line 5: -ne: not found
  /init: /usr/share/dm-verity.env: line 6: 1: not found
  /init: /usr/share/dm-verity.env: line 7: -NE_DATA_BLOCKS: not found
  /init: /usr/share/dm-verity.env: line 8: -ne: not found
  /init: /usr/share/dm-verity.env: line 9: 12064: not found
  /init: /usr/share/dm-verity.env: line 10: -NE_DATA_BLOCK_SIZE: not found
  /init: /usr/share/dm-verity.env: line 11: -ne: not found
  /init: /usr/share/dm-verity.env: line 12: 1024: not found
  /init: /usr/share/dm-verity.env: line 13: -NE_HASH_BLOCK_SIZE: not found
  /init: /usr/share/dm-verity.env: line 14: -ne: not found
  /init: /usr/share/dm-verity.env: line 15: 4096: not found
  /init: /usr/share/dm-verity.env: line 16: -NE_HASH_ALGORITHM: not found
  /init: /usr/share/dm-verity.env: line 17: -ne: not found
  /init: /usr/share/dm-verity.env: line 18: sha256: not found
  /init: /usr/share/dm-verity.env: line 19: -NE_SALT: not found
  /init: /usr/share/dm-verity.env: line 20: -ne: not found
  /init: /usr/share/dm-verity.env: line 21: 19d98185b42a897a37db6c56c7470ab2d455f0de46daa0df735eee6263816439: not found
  /init: /usr/share/dm-verity.env: line 22: -NE_ROOT_HASH: not found
  /init: /usr/share/dm-verity.env: line 23: -ne: not found
  /init: /usr/share/dm-verity.env: line 24: 298d75fc2ea27fe594b6a37158a6ae7538e77d918bab98c475934f625de0e4ab: not found

Signed-off-by: Niko Mauno <niko.mauno@vaisala.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
This commit is contained in:
niko.mauno@vaisala.com
2020-09-10 16:17:48 +00:00
committed by Armin Kuster
parent 4599a3c6d3
commit ad55aaca1b
1 changed files with 3 additions and 3 deletions
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6
classes/dm-verity-img.bbclass
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@@ -32,9 +32,9 @@ process_verity() {
# just trim all white-spaces.
IFS=":"
while read KEY VAL; do
echo -ne "$KEY" | tr '[:lower:]' '[:upper:]' | sed 's/ /_/g' >> $ENV
echo -ne "=" >> $ENV
echo "$VAL" | tr -d " \t" >> $ENV
printf '%s=%s\n' \
"$(echo "$KEY" | tr '[:lower:]' '[:upper:]' | sed 's/ /_/g')" \
"$(echo "$VAL" | tr -d ' \t')" >> $ENV
done
# Add partition size