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status-react/nix/mobile/android/maven-and-npm-deps/maven/fetch-maven-deps.sh

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#!/usr/bin/env bash
set -Eeu
# This script takes care of generating/updating the maven-inputs.txt file.
# For this, we:
# 1. query the projects in the main gradle project
# 2. loop through each of the projects, querying its dependencies
# 3. add each one to maven-inputs.txt
GIT_ROOT=$(cd "${BASH_SOURCE%/*}" && git rev-parse --show-toplevel)
current_dir=$(cd "${BASH_SOURCE%/*}" && pwd)
gradle_opts="--console plain"
tmp_pom_filename=$(mktemp --tmpdir fetch-maven-deps-XXXX.pom)
tmp_mvn_dep_tree_filename=$(mktemp --tmpdir mvn-dep-tree-XXXX.txt)
deps_file_path=$(mktemp --tmpdir fetch-maven-deps-XXXX-deps.txt)
function join_by { local IFS="$1"; shift; echo "$*"; }
mavenSources=( \
https://dl.google.com/dl/android/maven2 \
https://jcenter.bintray.com \
https://plugins.gradle.org/m2 \
https://repo.maven.apache.org/maven2 \
https://maven.fabric.io/public \
https://jitpack.io \
)
mavenSourcesSedFilter=$(join_by '|' ${mavenSources[@]})
# Converts a URL to a Maven package ID (e.g. https://dl.google.com/dl/android/maven2/android/arch/core/common/1.0.0/common-1.0.0 -> android.arch.core:common:1.0.0)
function getPackageIdFromURL() {
local url="$1"
local path=$(echo $url | sed -E "s;($mavenSourcesSedFilter)/(.+);\2;")
IFS='/' read -ra tokens <<< "$path"
local groupLength=$(( ${#tokens[@]} - 3 ))
local groupId=''
for ((i=0;i<$groupLength;i++)); do
if [ $i -eq 0 ]; then
groupId=${tokens[i]}
else
groupId="${groupId}.${tokens[i]}"
fi
done
artifactId=${tokens[-3]}
version="${tokens[-2]}"
echo "$groupId:$artifactId:$version"
}
# Formats the components of a Maven package ID as a URL path component (e.g. android/arch/core/common/1.0.0/common-1.0.0)
function getPath() {
local tokens=("$@")
local groupId=${tokens[0]}
local artifactId=${tokens[1]}
local version=${tokens[2]}
groupId=$(echo $groupId | tr '.' '/')
echo "$groupId/$artifactId/$version/$artifactId-$version"
}
# Tries to download a POM to $tmp_pom_filename given a base URL (also checks for empty files)
function tryGetPOMFromURL() {
local url="$1"
rm -f $tmp_pom_filename
curl --output $tmp_pom_filename --silent --fail --location "$url.pom" && test -s $tmp_pom_filename
}
# Given the components of a package ID, will loop through known repositories to figure out a source for the package
function determineArtifactUrl() {
# Parse dependency ID into components (group ID, artifact ID, version)
IFS=':' read -ra tokens <<< "$1"
local groupId=${tokens[0]}
[ -z "$groupId" ] && return
local artifactId=${tokens[1]}
local version=$(echo "${tokens[2]}" | cut -d'@' -f1)
local path=$(getPath "${tokens[@]}")
for mavenSourceUrl in ${mavenSources[@]}; do
if tryGetPOMFromURL "$mavenSourceUrl/$path"; then
echo "$mavenSourceUrl/$path"
return
fi
done
echo "<NOTFOUND>"
}
# Executes a gradle dependencies command and returns the output package IDs
function runGradleDepsCommand() {
echo "Computing maven dependencies with \`gradle $1 $gradle_opts\`..." > /dev/stderr
# Add a comment header with the command we're running (useful for debugging)
echo "# $1"
# Run the gradle command and:
# - remove lines that end with (*) or (n) but don't start with (+)
# - keep only lines that start with \--- or +---
# - remove lines that refer to a project
# - extract the package name and version, ignoring version range indications, such as in `com.google.android.gms:play-services-ads:[15.0.1,16.0.0) -> 15.0.1`
gradle $1 $gradle_opts \
| grep --invert-match -E "^[^+].+ \([\*n]\)$" \
| grep -e "[\\\+]---" \
| grep --invert-match -e "--- project :" \
| sed -E "s;.*[\\\+]--- ([^ ]+:)(.+ -> )?([^ ]+).*$;\1\3;"
}
function retrieveAdditionalDependencies() {
# It is not enough to output the dependencies in deps, we must also ask maven to report
# the dependencies for each individual POM file. Instead of parsing the dependency tree itself though,
# we look at what packages maven downloads from the internet into the local repo,
# which avoids us having to do a deep search, and does not report duplicates
echo -n > $tmp_mvn_dep_tree_filename
mvn dependency:tree -B -Dmaven.repo.local=$mvn_tmp_repo -f "$1" > $tmp_mvn_dep_tree_filename 2>&1 || echo -n
local additional_deps=( $(cat $tmp_mvn_dep_tree_filename \
| grep -E 'Downloaded from [^:]+: [^ ]+\.(pom|jar|aar)' \
| sed -E "s;^\[INFO\] Downloaded from [^:]+: ([^ ]+)\.(pom|jar|aar) .*$;\1;") )
local missing_additional_deps=( $(cat $tmp_mvn_dep_tree_filename \
| grep -E "The POM for .+:.+:(pom|jar):.+ is missing" \
| sed -E "s;^.*The POM for (.+:.+:(pom|jar):.+) is missing.*$;\1;") )
for additional_dep_url in ${additional_deps[@]}; do
local additional_dep_id=$(getPackageIdFromURL $additional_dep_url)
# See if we already have this dependency in $deps
local alreadyExists=0
for _dep in ${deps[@]}; do
if [ "$additional_dep_id" = "$_dep" ]; then
alreadyExists=1
break
fi
done
[ $alreadyExists -eq 0 ] && echo "$additional_dep_url" || continue
done
for additional_dep_id in ${missing_additional_deps[@]}; do
# See if we already have this dependency in $deps
local alreadyExists=0
for _dep in ${deps[@]}; do
if [ "$additional_dep_id" = "$_dep" ]; then
alreadyExists=1
break
fi
done
if [ $alreadyExists -eq 0 ]; then
artifactUrl=$(determineArtifactUrl $additional_dep_id)
if [ -z "$artifactUrl" ]; then
continue
elif [ "$artifactUrl" = "<NOTFOUND>" ]; then
# Some dependencies don't contain a normal format, so we ignore them (e.g. `com.squareup.okhttp:okhttp:{strictly`)
echo "Failed to determine source of $dep, ignoring..." > /dev/stderr
continue
fi
echo "$artifactUrl"
fi
done
}
mvn_tmp_repo=$(mktemp -d)
trap "rm -rf $mvn_tmp_repo $tmp_pom_filename $deps_file_path $tmp_mvn_dep_tree_filename" ERR EXIT HUP INT
rnModules=$(node ./node_modules/react-native/cli.js config | jq -r '.dependencies | keys | .[]')
pushd $GIT_ROOT/android > /dev/null
gradleProjects=$(gradle projects $gradle_opts 2>&1 \
| grep "Project ':" \
| sed -E "s;^.--- Project '\:([@_a-zA-Z0-9\-]+)';\1;")
projects=( ${gradleProjects[@]} ${rnModules[@]} )
IFS=$'\n' sortedProjects=($(sort -u <<<"${projects[*]}"))
unset IFS
echo -n > $deps_file_path
# TODO: try to limit unnecessary dependencies brought in by passing e.g. `--configuration releaseCompileClasspath` to the `gradle *:dependencies` command
runGradleDepsCommand 'buildEnvironment' >> $deps_file_path
for project in ${sortedProjects[@]}; do
runGradleDepsCommand ${project}:buildEnvironment >> $deps_file_path
runGradleDepsCommand ${project}:dependencies >> $deps_file_path
done
popd > /dev/null
# Read the deps file into memory, sorting and getting rid of comments, project names and duplicates
IFS=$'\n' deps=( $(cat $deps_file_path \
| grep --invert-match -E '^#.*$' \
| grep --invert-match -E '^[a-z]+$' \
| grep --invert-match -E '^:?[^:]+$' \
| sort -uV) )
unset IFS
rm -f $deps_file_path
lineCount=${#deps[@]}
currentLine=0
pstr="[=======================================================================]"
echo "Determining URLs for ${#deps[@]} packages..." > /dev/stderr
for dep in ${deps[@]}; do
currentLine=$(( $currentLine + 1 ))
pd=$(( $currentLine * 73 / $lineCount ))
printf "\r%3d.%1d%% %.${pd}s" $(( $currentLine * 100 / $lineCount )) $(( ($currentLine * 1000 / $lineCount) % 10 )) $pstr > /dev/stderr
[ -z "$dep" ] && continue
# Ignore own dependencies (e.g. status-im:status-go:v0.30.0-beta.0)
if [[ "$dep" == "status-im:"* ]]; then
echo "Ignoring $dep" > /dev/stderr
continue
fi
artifactUrl=$(determineArtifactUrl $dep)
if [ -z "$artifactUrl" ]; then
continue
elif [ "$artifactUrl" = "<NOTFOUND>" ]; then
# Some dependencies don't contain a normal format, so we ignore them (e.g. `com.squareup.okhttp:okhttp:{strictly`)
echo "Failed to determine source of $dep, ignoring..." > /dev/stderr
continue
fi
echo "$artifactUrl"
retrieveAdditionalDependencies $tmp_pom_filename
done
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