fix: Prevent get_battery from throwing "file not found"

Check if battery capacity and status files exist before attempting to read
them. This prevents errors on systems where the battery path exists but
the required files are missing.

Fixes dylanaraps#2129

(cherry-picked from dylanaraps#2130)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: 2 people

neofetch

@@ -1086,7 +1086,8 @@ get_distro() {
 
             else
                 for release_file in /etc/*-release; do
-                    distro+=$(< "$release_file")
+                    distro=$(< "$release_file")
+                    break
                 done
 
                 if [[ -z $distro ]]; then
@@ -3678,6 +3679,7 @@ get_battery() {
             # We use 'prin' here so that we can do multi battery support
             # with a single battery per line.
             for bat in "/sys/class/power_supply/"{BAT,axp288_fuel_gauge,CMB}*; do
+                [[ -f ${bat}/capacity && -f ${bat}/status ]] || continue
                 capacity="$(< "${bat}/capacity")"
                 status="$(< "${bat}/status")"
 
@@ -3823,8 +3825,7 @@ get_gpu_driver() {
             gpu_driver="${gpu_driver%, }"
 
             if [[ "$gpu_driver" == *"nvidia"* ]]; then
-                gpu_driver="$(< /proc/driver/nvidia/version)"
-                gpu_driver="${gpu_driver/*Module  }"
+                gpu_driver="$(< /sys/module/nvidia/version)"
                 gpu_driver="NVIDIA ${gpu_driver/  *}"
             fi
         ;;