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[7.x] [dev-tools] Script to find recent top committers for a module (#19053) #19395

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Jun 26, 2020
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58 changes: 58 additions & 0 deletions dev-tools/module_committers
Original file line number Diff line number Diff line change
@@ -0,0 +1,58 @@
#!/bin/bash

set -euo pipefail

#
# Finds modules matching given string and prints out their recent top committers.
#
# Usage:
# module_devs <module name, partial ok>
#

find_beat_dirs() {
find $beats_base_dir -type d -iname \*beat -maxdepth 2 | grep -v libbeat
}

find_module_dirs() {
beat_dirs="$1"
module_name="$2"

module_dirs=""
for beat_dir in $beat_dirs; do
if [ -d "$beat_dir/module" ]; then
module_dirs=$module_dirs" "$(find $beat_dir/module -type d -depth 1)
fi
done

found_dirs=""
for module_dir in $module_dirs; do
module=$(echo $module_dir | awk -F\/ '{ print $NF}')
if [[ "$module" == *"$module_name"* ]]; then
found_dirs=$found_dirs" "$module_dir
fi
done

echo "$found_dirs"
}

print_recent_top_committers() {
module_dirs="$1"
for module_dir in $module_dirs; do
echo "Found matching $module_dir:"
cd $module_dir
echo " Recent top committers:"
git log --since="one year ago" --pretty=format:"%an" -- . | sort | uniq -c | sort -nr | head -3 | awk '{$1 = ""; print " -"$0}'
done
}

module_name="$1"
if [ -z "$module_name" ]; then
echo "Usage: module_devs <module name>"
exit 1
fi

beats_base_dir=$(cd $(dirname $BASH_SOURCE)/..; pwd)

beat_dirs=$(find_beat_dirs)
module_dirs=$(find_module_dirs "$beat_dirs" "$module_name")
print_recent_top_committers "$module_dirs"