Improve flakestat slightly

home/hyprland/waybar/flakestat.sh

@@ -1,5 +1,33 @@
 #!/usr/bin/env bash
 
+# Args:
+# $1 text
+# $2 tooltip
+# $3 error-code
+print_output() {
+    local text="$1"
+    local tooltip="$2"
+    local error_code="$3"
+
+    if [ -z "$error_code" ]; then
+        output=$(jq -n \
+            --arg text "$text" \
+            --arg tooltip "$tooltip" \
+            --unbuffered \
+            --compact-output \
+            '{text: $text, tooltip: $tooltip}')
+    else
+        output=$(jq -n \
+            --arg text "$text" \
+            --arg tooltip "$tooltip" \
+            --unbuffered \
+            --compact-output \
+            '{text: $text, tooltip: $tooltip}')
+    fi
+    
+    echo "$output"
+}
+
 FLAKE_DIR="/home/torjus/nixos"
 NIXPKGS_DIR="/home/torjus/git/nixpkgs"
 
@@ -9,18 +37,13 @@ unstable_input=$(echo "$flake_metadata" | jq '.locks.nodes.root.inputs.nixpkgs')
 unstable_rev=$(echo "$flake_metadata" | jq -r ".locks.nodes.$unstable_input.locked.rev")
 unstable_branch=$(echo "$flake_metadata" | jq -r ".locks.nodes.$unstable_input.original.ref")
 
-cd "$NIXPKGS_DIR" || exit 1
+cd "$NIXPKGS_DIR" || print_output "?" "Could not find git repo dir" 1
 git fetch -q --all
-unstable_commit_count=$(git rev-list --count "$unstable_rev..origin/$unstable_branch")
+if ! unstable_commit_count=$(git rev-list --count "$unstable_rev..origin/$unstable_branch"); then
+    print_output "?" "Unable to list commits" 1
+fi
 
 text="$unstable_commit_count"
 tooltip="${unstable_branch}: ${unstable_commit_count}"
 
-output=$(jq -n \
-    --arg text "$text" \
-    --arg tooltip "$tooltip" \
-    --unbuffered \
-    --compact-output \
-    '{text: $text, tooltip: $tooltip}')
-
-echo "$output"
+print_output "$text" "$tooltip" 0