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Exit if no changes

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This commit is contained in:
Stefan Reimer 2016-05-19 01:14:09 +00:00
parent a75315513c
commit 6ef3e17fbd
1 changed files with 5 additions and 1 deletions
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6
scripts/update_box.sh
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@ -1,11 +1,15 @@
#!/bin/sh
#set -x
set -e
TODO=$(emerge -q --update --deep --newuse --pretend --with-bdeps=y world)
[ "${TODO}x" == "x" ] && { echo "Nothing to merge."; exit 0; }
# parallel jobs to speed up configure runs etc.
# but only half as many if CPU cores > 4
CPUS=$(nproc)
[ $CPUS -ge 4 ] && JOBS="--jobs $((CPUS/2))"
emerge --ask --update --deep --newuse --keep-going --accept-properties=-interactive --with-bdeps=y ${JOBS} world
emerge --ask --update --deep --newuse --keep-going --accept-properties=-interactive --fail-clean --with-bdeps=y ${JOBS} world
echo "Going to remove unneeded packages ..."
emerge --depclean