Add automation script to repo

scripts/zmk_build.sh

@@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+
+# TODO
+# * add -c and -z argument to specity non-default branches for config and zmk
+# * add option to pass arguments to west build (useful for -p)
+
+ZMK_DIR="$HOME/zmk"
+CONFIG_DIR="$HOME/zmk-config"
+OUTPUT="$WINHOME/Downloads/planck_rev6-zmk.bin"
+
+# +-------------------------+
+# | AUTOMATE CONFIG OPTIONS |
+# +-------------------------+
+
+cd "$CONFIG_DIR"
+
+# update maximum combos per key
+count=$( \
+    tail -n +10 config/combos.dtsi | \
+    grep -Eo '[LR][TMBH][0-9]' | \
+    sort | uniq -c | sort -nr | \
+    awk 'NR==1{print $1}' \
+)
+sed -Ei "/CONFIG_ZMK_COMBO_MAX_COMBOS_PER_KEY/s/=.+/=$count/" config/*.conf
+echo "Setting MAX_COMBOS_PER_KEY to $count"
+
+# update maximum keys per combo
+count=$( \
+    tail -n +10 config/combos.dtsi | \
+    grep -o -n '[LR][TMBH][0-9]' | \
+    cut -d : -f 1 | uniq -c | sort -nr | \
+    awk 'NR==1{print $1}' \
+)
+sed -Ei "/CONFIG_ZMK_COMBO_MAX_KEYS_PER_COMBO/s/=.+/=$count/" config/*.conf
+echo "Setting MAX_KEYS_PER_COMBO to $count"
+
+# +--------------------+
+# | BUILD THE FIRMWARE |
+# +--------------------+
+
+cd "$ZMK_DIR/app"
+
+# build the firmware
+west build -b planck_rev6 -- -DZMK_CONFIG="$CONFIG_DIR/config"
+
+# copy firmware to Downloads if build was succesful
+if [[ $? -eq 0 ]]
+then
+    [[ -f $OUTPUT ]] && [[ ! -L $OUTPUT ]] && mv "$OUTPUT" "$OUTPUT".bak
+    cp "$ZMK_DIR/app/build/zephyr/zmk.bin" "$OUTPUT"
+    exit 0
+else
+    exit 1
+fi
+