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108 lines
4.0 KiB
108 lines
4.0 KiB
#!/bin/bash
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#
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# Copyright 2024 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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#
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# Script to generate dependency graphs for each of the modules. The --exclude-module parameter can
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# be used to exclude modules which are not part of the root dependency graph (and which, if included
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# would cause the script to fail.
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#
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# Usage: generateModuleGraphs.sh --exclude-module :benchmarks --exclude-module :lint --exclude-module :ui-test-hilt-manifest
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# Check if the dot command is available
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if ! command -v dot &> /dev/null
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then
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echo "The 'dot' command is not found. This is required to generate SVGs from the Graphviz files."
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echo "Installation instructions:"
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echo " - On macOS: You can install Graphviz using Homebrew with the command: 'brew install graphviz'"
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echo " - On Ubuntu: You can install Graphviz using APT with the command: 'sudo apt-get install graphviz'"
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exit 1
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fi
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# Initialize an array to store excluded modules
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excluded_modules=()
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# Parse command-line arguments for excluded modules
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--exclude-module)
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excluded_modules+=("$2")
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shift # Past argument
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shift # Past value
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;;
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*)
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echo "Unknown parameter passed: $1"
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exit 1
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;;
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esac
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done
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# Get the module paths
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module_paths=$(./gradlew -q printModulePaths --no-configuration-cache)
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# Ensure the output directory exists
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mkdir -p docs/images/graphs/
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# Function to check and create a README.md for modules which don't have one.
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check_and_create_readme() {
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local module_path="$1"
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local file_name="$2"
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local readme_path="${module_path:1}" # Remove leading colon
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readme_path=${readme_path//:/\/} # Replace colons with slashes
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readme_path="${readme_path}/README.md" #Append the filename
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# Check if README.md exists and create it if not
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if [[ ! -f "$readme_path" ]]; then
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echo "Creating README.md for ${module_path}"
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# Determine the depth of the module based on the number of colons
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local depth=$(awk -F: '{print NF-1}' <<< "${module_path}")
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# Construct the relative image path with the correct number of "../"
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local relative_image_path="../"
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for ((i=1; i<$depth; i++)); do
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relative_image_path+="../"
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done
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relative_image_path+="docs/images/graphs/${file_name}.svg"
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echo "# ${module_path} module" > "$readme_path"
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echo "## Dependency graph" >> "$readme_path"
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echo "" >> "$readme_path"
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fi
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}
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# Loop through each module path
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echo "$module_paths" | while read -r module_path; do
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# Check if the module is in the excluded list
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if [[ ! " ${excluded_modules[@]} " =~ " ${module_path} " ]]; then
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# Derive the filename from the module path
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file_name="dep_graph${module_path//:/_}" # Replace colons with underscores
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file_name="${file_name//-/_}" # Replace dashes with underscores
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check_and_create_readme "$module_path" "$file_name"
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# Generate the .gv file in a temporary location
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# </dev/null is used to stop ./gradlew from consuming input which prematurely ends the while loop
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./gradlew generateModulesGraphvizText \
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-Pmodules.graph.output.gv="/tmp/${file_name}.gv" \
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-Pmodules.graph.of.module="${module_path}" </dev/null
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# Convert to SVG using dot
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dot -Tsvg "/tmp/${file_name}.gv" > "docs/images/graphs/${file_name}.svg"
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# Remove the temporary .gv file
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rm "/tmp/${file_name}.gv"
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fi
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done |