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authordavidovski <david@davidovski.xyz>2022-05-04 23:52:30 +0100
committerdavidovski <david@davidovski.xyz>2022-05-04 23:52:30 +0100
commit739c65c54cb0e957df5e9b76f93fb02554e5cac3 (patch)
tree09ddfa0a342f3ea9de136cb50abdd79821bf1b53 /repo/system/acpid/power-supply-ac
parent4c585ad54388285500fd18a6aaa516894e0f2c16 (diff)
moved everything to new file formatting
Diffstat (limited to 'repo/system/acpid/power-supply-ac')
-rw-r--r--repo/system/acpid/power-supply-ac25
1 files changed, 25 insertions, 0 deletions
diff --git a/repo/system/acpid/power-supply-ac b/repo/system/acpid/power-supply-ac
new file mode 100644
index 0000000..337aae2
--- /dev/null
+++ b/repo/system/acpid/power-supply-ac
@@ -0,0 +1,25 @@
+#!/bin/sh
+# This script exits with status 0 when the computer is on AC power (or no AC
+# power supply found), 1 otherwise (i.e. running on battery).
+set -u
+
+verbose=false
+[ "${1:-}" = '-v' ] && verbose=true
+
+# If we do not have any power supplies, assume we are on AC.
+rc=0
+
+# Iterate through power supplies sysfs knows about.
+for ps in /sys/class/power_supply/*; do
+ [ -r $ps/online ] || continue
+ # We know we have an AC adaptor, our default return changes to failed.
+ rc=1
+
+ if [ "$(cat $ps/online)" -eq 1 ]; then
+ rc=0
+ break
+ fi
+done
+
+$verbose && echo $rc
+exit $rc