Implement git-activity-by-year
[selfanal.git] / git-activity-by-year
CommitLineData
db1096e2
SK
1#! /bin/sh
2
3set -e
4
5root="$1"
6typ="$2"
7
8case "$typ" in
9 'commits') ;;
10 'changes') ;;
11 '') typ='commits';;
12 *)
13 echo "Usage: $0 DIRECTORY [commits|changes]" >&2
14 exit 1
15esac
16
17find "$root" -type d -name '.git' \
18| while read -r dir
19 do
20 cd "$dir" || exit 1
21 git log --format=%ci --numstat
22 done \
23| gawk '
24 /^[0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2} / {
25 date = $1
26 split(date, d, "-")
27 year = d[1]
28 commits[year]++
29 }
30
31 /^[0-9]+\s+[0-9]+\s+/ {
32 additions = $1
33 deletions = $2
34 changes[year] += additions + deletions
35 }
36
37 END {
38 for (year in changes) {
39 print year, "commits", commits[year]
40 print year, "changes", changes[year]
41 }
42 }' \
43| awk -v type_selected="$typ" '
44 {
45 year = $1
46 type = $2
47 value = $3
48 d[year, type] = value
49 if (value > max[type])
50 max[type] = value
51 }
52
53 END {
54 for (yeartype in d) {
55 split(yeartype, yt, SUBSEP)
56 year = yt[1]
57 type = yt[2]
58 value = d[yeartype]
59 if (type == type_selected) {
60 printf "%s ", year
61 for (i = 1; i <= (value * 100) / max[type]; i++) {
62 printf "|"
63 }
64 printf "\n"
65 }
66 }
67 }' \
68| sort -n -k 1
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