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#!/usr/bin/env bash
#
# @license Apache-2.0
#
# Copyright (c) 2017 The Stdlib Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Tabulates commit sizes based on their classification.
#
# References:
#
# - Arafat, Oliver, and Dirk Riehle. 2009. "The Commit Size Distribution of Open Source Software." In _Proceedings of the 42nd Hawaii International Conference on System Sciences_. IEEE Computer Society.
# - Hattori, Lile P., and Michele Lanza. 2008. "On the nature of commits." In _ASE Workshops 2008. 23rd IEEE/ACM International Conference on Automated Software Engineering - Workshops, 2008._ IEEE. doi:[10.1109/ASEW.2008.4686322](http://dx.doi.org/10.1109/ASEW.2008.4686322).
# Determine root directory:
root="$(git rev-parse --show-toplevel)"
# Define the path to a utility to compute commit sizes:
commit_sizes="${root}/tools/git/scripts/commit_sizes"
# * `commit_sizes`
# - Get commit sizes.
# * `awk '{}'`
# - Classify sizes.
# * `sort -n`
# - Sort in numeric order.
"${commit_sizes}" | awk '
$1 < 5 {
table["tiny"] += 1
next
}
$1 < 20 {
table["small"] += 1
next
}
$1 < 200 {
table["medium"] += 1
next
}
$1 < 10000 {
table["large"] += 1
next
}
# Everything else...
{
table["huge"] += 1
}
END {
for (row in table) {
print row OFS table[row]
}
}
' | sort -k2nr
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