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Meta: Make disk_usage() not depend on GNU du

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BSD `du` can also print apparent size, it just needs a different flag.

Makes `serenity.sh run` get a bit farther trying to build the disk
image on macOS without brew installed. No intended behavior change
elsewhere.
This commit is contained in:
Nico Weber 2024-07-01 13:57:11 +02:00 committed by Daniel Bertalan
parent 52023e38dc
commit ee129a3c7d
1 changed files with 12 additions and 5 deletions
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17
Meta/shell_include.sh
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@ -83,17 +83,24 @@ get_number_of_processing_units() {
($number_of_processing_units)
}
# We depend on GNU coreutils du for the --apparent-size extension.
# GNU coreutils is a build dependency.
# Discover how to get apparent size from `du`. GNU du has --apparent-size / -b,
# BSD du has `-A`.
if command -v gdu > /dev/null 2>&1 && gdu --version | grep -q "GNU coreutils"; then
GNUDU="gdu"
DU="gdu"
DU_APPARENT_SIZE_FLAG="-b"
else
GNUDU="du"
DU="du"
SYSTEM_NAME="$(uname -s)"
if [ "$SYSTEM_NAME" = "Darwin" ]; then
DU_APPARENT_SIZE_FLAG="-A"
else
DU_APPARENT_SIZE_FLAG="-b"
fi
fi
disk_usage() {
# shellcheck disable=SC2003,SC2307
expr "$(${GNUDU} -sbm "$1" | cut -f1)"
expr "$(${DU} ${DU_APPARENT_SIZE_FLAG} -sm "$1" | cut -f1)"
}
inode_usage() {