Create generate-readmes.yml

.gitea/workflows/generate-readmes.yml

@@ -0,0 +1,122 @@
+name: Generate Directory READMEs
+
+on:
+  push:
+    branches: [main, master]
+    paths:
+      - "Found/**"
+      - "Made/**"
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+jobs:
+  generate-readmes:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Generate READMEs
+        run: |
+          #!/bin/bash
+          set -euo pipefail
+          IMAGE_EXTS=("jpg" "jpeg" "png" "gif" "webp" "bmp" "svg")
+          count_images() {
+            local dir="$1" count=0
+            for ext in "${IMAGE_EXTS[@]}"; do
+              local n
+              n=$(find "$dir" -maxdepth 1 -type f -iname "*.${ext}" 2>/dev/null | wc -l)
+              count=$((count + n))
+            done
+            echo "$count"
+          }
+          get_images() {
+            local dir="$1"
+            for ext in "${IMAGE_EXTS[@]}"; do
+              find "$dir" -maxdepth 1 -type f -iname "*.${ext}" 2>/dev/null
+            done | sort
+          }
+          get_subdirs() {
+            find "$1" -maxdepth 1 -mindepth 1 -type d 2>/dev/null | sort
+          }
+          generate_readme() {
+            local dir="$1" readme="${1}/README.md"
+            local dir_name rel_path
+            dir_name=$(basename "$dir")
+            rel_path="${dir#./}"
+            [ "$rel_path" = "." ] && return
+            local content=""
+            content+="# ${dir_name}\n\n"
+            local parent parent_name
+            parent=$(dirname "$dir")
+            parent_name=$(basename "$parent")
+            if [ "$parent" != "." ]; then
+              content+="[\u2b05\ufe0f Back to ${parent_name}](../README.md)\n\n"
+            fi
+            local subdirs
+            subdirs=$(get_subdirs "$dir")
+            if [ -n "$subdirs" ]; then
+              content+="## Folders\n\n"
+              while IFS= read -r subdir; do
+                local sub_name sub_count
+                sub_name=$(basename "$subdir")
+                sub_count=$(count_images "$subdir")
+                content+="- [\ud83d\udcc2 ${sub_name}](./${sub_name}/) (${sub_count} images)\n"
+              done <<< "$subdirs"
+              content+="\n"
+            fi
+            local images
+            images=$(get_images "$dir")
+            if [ -n "$images" ]; then
+              local img_count
+              img_count=$(echo "$images" | wc -l)
+              content+="## Images (${img_count})\n\n"
+              content+="| | | |\n|---|---|---|\n"
+              local col=0
+              while IFS= read -r img; do
+                local img_name
+                img_name=$(basename "$img")
+                [ $col -eq 0 ] && content+="| "
+                content+="[![${img_name}](./${img_name})](./${img_name}) "
+                col=$((col + 1))
+                if [ $col -eq 3 ]; then
+                  content+="|\n"
+                  col=0
+                fi
+              done <<< "$images"
+              if [ $col -ne 0 ]; then
+                while [ $col -lt 3 ]; do
+                  content+="| "
+                  col=$((col + 1))
+                done
+                content+="|\n"
+              fi
+              content+="\n"
+            fi
+            echo -e "$content" > "$readme"
+            echo "Generated: ${readme}"
+          }
+          for base_dir in Found Made; do
+            if [ -d "$base_dir" ]; then
+              generate_readme "./${base_dir}"
+              while IFS= read -r dir; do
+                generate_readme "$dir"
+              done < <(find "./${base_dir}" -type d | sort)
+            fi
+          done
+
+      - name: Commit and push changes
+        run: |
+          git config user.name "ACTIONEER[BOT]"
+          git config user.email "actioneer@users.noreply.git.krzak.org"
+          if git diff --quiet -- '*.md'; then
+            echo "No changes to commit"
+            exit 0
+          fi
+          git add '**/README.md'
+          git commit -m "generate READMEs"
+          git push