feat(helm): added helm-update-dependencies

Author: DovnarAlexander

.pre-commit-hooks.yaml

@@ -0,0 +1,7 @@
+---
+- id: helm-update-dependencies
+  name: Update Helm Dependencies
+  entry: bash hooks/helm/checks-dependencies.sh
+  language: system
+  types: [yaml]
+  files: ^(.*\/)?Chart\.yaml$

hooks/helm/checks-dependencies.sh

@@ -0,0 +1,132 @@
+#!/bin/bash
+
+set -e
+
+CHART_ARG="$1"
+
+if [ -z "$CHART_ARG" ]; then
+  echo "🔍 Auto-detecting changed Helm charts from git..."
+  CHART_ARG=$(git diff --cached --name-only | grep -E '(^|/)Chart\.yaml$' | xargs -n1 dirname | paste -sd, -)
+  if [ -z "$CHART_ARG" ]; then
+    echo "✅ No changed charts detected, skipping"
+    exit 0
+  fi
+  echo "📦 Charts to update: $CHART_ARG"
+fi
+
+# Temporary files
+TMP_GRAPH="/tmp/chart_graph.$$"
+TMP_PATHMAP="/tmp/chart_pathmap.$$"
+TMP_VISITED="/tmp/chart_visited.$$"
+TMP_FILTERED="/tmp/chart_filtered.$$"
+TMP_SORTED="/tmp/chart_sorted.$$"
+
+echo "" > "$TMP_GRAPH"
+echo "" > "$TMP_PATHMAP"
+echo "" > "$TMP_VISITED"
+echo "" > "$TMP_FILTERED"
+echo "" > "$TMP_SORTED"
+
+realpath_compat() {
+    if command -v realpath >/dev/null 2>&1; then
+        realpath "$1"
+    else
+        python -c "import os,sys; print(os.path.realpath(sys.argv[1]))" "$1"
+    fi
+}
+
+# Chart discovery (root and tests/)
+echo "🔎 Discovering all charts..."
+# shellcheck disable=SC2044
+for chart_file in $(find . -type f -name "Chart.yaml" -path "./*/Chart.yaml" -o -path "./tests/*/Chart.yaml"); do
+    chart_dir=$(dirname "$chart_file")
+    chart_abs=$(realpath_compat "$chart_dir")
+    echo "$chart_abs:$chart_dir" >> "$TMP_PATHMAP"
+
+    # Parse internal deps
+    awk '
+      /^dependencies:/ { in_deps = 1; next }
+      in_deps && /^[[:space:]]*-/ { dep_block = 1; next }
+      dep_block && /repository:[[:space:]]*file:\/\// {
+        match($0, /file:\/\/[^[:space:]#\"]+/)
+        if (RSTART > 0) {
+          dep = substr($0, RSTART+7, RLENGTH-7)
+          print dep
+        }
+      }
+      in_deps && /^[^[:space:]]/ { in_deps = 0; dep_block = 0 }
+    ' "$chart_file" | while read -r dep_rel; do
+        dep_abs=$(realpath_compat "$chart_dir/$dep_rel")
+        echo "$chart_abs $dep_abs" >> "$TMP_GRAPH"
+    done
+done
+
+echo "📦 Charts discovered:"
+cut -d':' -f2- "$TMP_PATHMAP"
+
+# Graph traversal
+visit_downward() {
+    local node="$1"
+    grep -q "^$node\$" "$TMP_VISITED" && return
+    echo "$node" >> "$TMP_VISITED"
+    grep "^$node " "$TMP_GRAPH" | cut -d' ' -f2 | while read -r child; do
+        visit_downward "$child"
+    done
+}
+
+if [ -z "$CHART_ARG" ]; then
+    echo "🟡 No chart specified — processing all charts"
+    # shellcheck disable=SC2013
+    for chart_abs in $(cut -d':' -f1 "$TMP_PATHMAP"); do
+        visit_downward "$chart_abs"
+    done
+else
+    echo "🟢 Processing chart(s): $CHART_ARG"
+    IFS=',' read -r -a TARGET_CHARTS <<< "$CHART_ARG"
+    for chart_path in "${TARGET_CHARTS[@]}"; do
+        if [ ! -d "$chart_path" ]; then
+            echo "❌ Chart folder '$chart_path' not found."
+            exit 1
+        fi
+        TARGET_PATH=$(realpath_compat "$chart_path")
+        echo "🧪 Visiting chart: $TARGET_PATH"
+        grep "^$TARGET_PATH " "$TMP_GRAPH" || echo "  ↪️  No dependencies"
+        visit_downward "$TARGET_PATH"
+    done
+fi
+
+echo "✅ Visited charts:"
+cat "$TMP_VISITED"
+
+# Filter graph
+while read -r from to; do
+    grep -q "^$from\$" "$TMP_VISITED" && grep -q "^$to\$" "$TMP_VISITED" && echo "$from $to" >> "$TMP_FILTERED"
+done < "$TMP_GRAPH"
+
+echo "📈 Filtered dependency edges:"
+cat "$TMP_FILTERED"
+
+# Topological sort
+tsort "$TMP_FILTERED" > "$TMP_SORTED"
+
+# Include any isolated charts not in sorted output
+# shellcheck disable=SC2013
+for node in $(cat "$TMP_VISITED"); do
+    grep -q "^$node\$" "$TMP_SORTED" || echo "$node" >> "$TMP_SORTED"
+done
+
+echo "🔃 Topological update order (leaf → root):"
+tac "$TMP_SORTED"
+
+# Run helm updates
+echo "🚀 Running helm dependency updates..."
+while read -r abs_path; do
+    rel_path=$(grep "^$abs_path:" "$TMP_PATHMAP" | cut -d':' -f2-)
+    if [ -n "$rel_path" ]; then
+        echo "🔄 helm dependency update $rel_path"
+        helm dependency update "$rel_path" || echo "❌ Failed in $rel_path"
+    fi
+done < <(tac "$TMP_SORTED")
+
+# Cleanup
+rm -f "$TMP_GRAPH" "$TMP_PATHMAP" "$TMP_VISITED" "$TMP_FILTERED" "$TMP_SORTED"