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Make sleep-until laptop-sleep-safe

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by not waiting for the whole time at once but sleeping in chunks which
then would wake up the device even when it slept most of the time-diff

Signed-off-by: Knut Ahlers <knut@ahlers.me>
This commit is contained in:
Knut Ahlers 2025-02-11 17:45:50 +01:00
parent 5a5cb420bd
commit b7c7bab313
Signed by: luzifer
SSH key fingerprint: SHA256:/xtE5lCgiRDQr8SLxHMS92ZBlACmATUmF1crK16Ks4E
1 changed files with 8 additions and 1 deletions

9
bin/sleep-until
View file

@ -1,6 +1,8 @@
#!/bin/bash #!/bin/bash
set -euo pipefail set -euo pipefail
default_sleep=10
source ${HOME}/bin/script_framework.sh source ${HOME}/bin/script_framework.sh
time=${1:-} time=${1:-}
@ -9,5 +11,10 @@ time=${1:-}
tdiff=$(($(date -d "$1" +%s) - $(date +%s))) tdiff=$(($(date -d "$1" +%s) - $(date +%s)))
[ $tdiff -gt 0 ] || tdiff=$((tdiff + 86400)) [ $tdiff -gt 0 ] || tdiff=$((tdiff + 86400))
ttime=$(date -d "now + ${tdiff} seconds" +%s)
step "Sleeping ${tdiff}s until $(date -d "now + ${tdiff} seconds" "+%Y-%m-%d %H:%M:%S")..." step "Sleeping ${tdiff}s until $(date -d "now + ${tdiff} seconds" "+%Y-%m-%d %H:%M:%S")..."
sleep ${tdiff} while [ $(date +%s) -lt $ttime ]; do
tremain=$(( ttime - $(date +%s) ))
[ $tremain -gt $default_sleep ] && sleep $default_sleep || sleep $tremain
done