zshrc: support systems without capacity file in batterylinux() [Closes: issue1333]

[grml-etc-core.git] / etc / zsh / zshrc

diff --git a/etc/zsh/zshrc b/etc/zsh/zshrc
index b4b2fd7..0bf68f8 100644 (file)
--- a/etc/zsh/zshrc
+++ b/etc/zsh/zshrc
@@ -1761,7 +1761,13 @@ local batteries bat capacity
 batteries=( /sys/class/power_supply/BAT*(N) )
 if (( $#batteries > 0 )) ; then
     for bat in $batteries ; do
-        capacity=$(< $bat/capacity)
+        if [[ -e $bat/capacity ]]; then
+            capacity=$(< $bat/capacity)
+        else
+            typeset -F energy_full=$(< $bat/energy_full)
+            typeset -F energy_now=$(< $bat/energy_now)
+            typeset -i capacity=$(( 100 * $energy_now / $energy_full))
+        fi
         case $(< $bat/status) in
         Charging)
             GRML_BATTERY_LEVEL+=" ^"
@@ -2685,10 +2691,17 @@ if [[ -r /etc/debian_version ]] ; then
        alias su="sudo su"
     fi
 
-    #a1# Take a look at the syslog: \kbd{\$PAGER /var/log/syslog}
-    salias llog="$PAGER /var/log/syslog"     # take a look at the syslog
-    #a1# Take a look at the syslog: \kbd{tail -f /var/log/syslog}
-    salias tlog="tail -f /var/log/syslog"    # follow the syslog
+fi
+
+# use /var/log/syslog iff present, fallback to journalctl otherwise
+if [ -e /var/log/syslog ] ; then
+  #a1# Take a look at the syslog: \kbd{\$PAGER /var/log/syslog || journalctl}
+  salias llog="$PAGER /var/log/syslog"     # take a look at the syslog
+  #a1# Take a look at the syslog: \kbd{tail -f /var/log/syslog || journalctl}
+  salias tlog="tail -f /var/log/syslog"    # follow the syslog
+elif check_com -c journalctl ; then
+  salias llog="journalctl"
+  salias tlog="journalctl -f"
 fi
 
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