1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
#!/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.
# Classifies commits based on the number of files changed and prints a classification summary.
#
# References:
#
# - 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="$(git rev-parse --show-toplevel)"
# Define the path to a utility to generate commit short stats:
shortstats="${root}/tools/git/scripts/shortstats"
# * `shortstats`
# - Get summary statistics for each commit.
# * `awk '{}'`
# - Classify sizes.
# * `sort -k2nr`
# - Sort in numeric order.
"${shortstats}" | awk '
# Bug fixes, refactorings...
$8 < 5 {
table["tiny"] += 1
next
}
# Adding a new package...
$8 < 25 {
table["small"] += 1
next
}
# Large refactorings...
$8 < 125 {
table["medium"] += 1
next
}
# Everything else...
{
table["large"] += 1
}
END {
for (row in table) {
print row OFS table[row]
}
}
' | sort -k2nr
|
