release statistics

RIOT-OS version	number of files (1)	lines of code (w/o docs) (2)	development time(3)	commits (4)	diffstat (5)	top 5 commiters (6)
2013.08	372	49212 (42989)	---	---	---	222 Oliver Hahm 140 Kaspar Schleiser 104 Oleg Hahm 85 mlenders 46 Stephan Zeisberg
2014.01	741	136097 (82777)	120 days	584	655 files changed, 59590 insertions(+), 17450 deletions(-)	155 Ludwig Ortmann 141 Oleg Hahm 76 Christian Mehlis 52 Oliver Hahm 32 Kaspar Schleiser
2014.05	1271	173578 (132041)	126 days	617	1170 files changed, 87997 insertions(+), 53701 deletions(-)	145 Ludwig Ortmann 117 René Kijewski 83 Oleg Hahm 69 Martin Lenders 65 Christian Mehlis
2014.12	27900	306696 (269321)	217 days	1240	2094 files changed, 195774 insertions(+), 60602 deletions(-)	243 Oleg Hahm 231 Ludwig Ortmann 209 Hauke Petersen 149 René Kijewski 74 Martine Lenders
2015.09	16646	491184 (448311)	277 days	2506	2578 files changed, 318050 insertions(+), 133915 deletions(-)	468 Martine Lenders 406 Joakim Gebart 370 Hauke Petersen 334 Kaspar Schleiser 236 Oleg Hahm
2015.12	5057	3872809 (506891)	104 days	633	981 files changed, 59888 insertions(+), 12053 deletions(-)	180 Hauke Petersen 91 Oleg Hahm 87 Cenk Gündoğan 67 Martine Lenders 38 Kaspar Schleiser
2016.04	5335	3924766 (553906)	124 days	1196	1522 files changed, 91712 insertions(+), 42251 deletions(-)	335 Hauke Petersen 165 Joakim Nohlgård 123 Kaspar Schleiser 118 Oleg Hahm 112 Martine Lenders
2016.07	3146	608561 (551661)	112 days	325	632 files changed, 19863 insertions(+), 3682 deletions(-)	44 Joakim Nohlgård 34 Kaspar Schleiser 28 Cenk Gündoğan 26 Martine Lenders 23 Oleg Hahm
2016.10	3548	748188 (687453)	100 days	398	1006 files changed, 166500 insertions(+), 26926 deletions(-)	103 Martine Lenders 24 Matthias Kolja Miehl 21 Cenk Gündoğan 21 Kaspar Schleiser 21 Kees Bakker
2017.01	3827	804486 (762854)	92 days	607	2230 files changed, 220559 insertions(+), 159840 deletions(-)	190 Hauke Petersen 86 Kaspar Schleiser 43 Joakim Nohlgård 40 Martine Lenders 32 Alexandre Abadie
2017.04	4255	1030698 (982625)	91 days	562	2697 files changed, 716950 insertions(+), 492623 deletions(-)	98 Alexandre Abadie 73 Joakim Nohlgård 67 Hauke Petersen 57 Sebastian Meiling 45 Martine Lenders
2017.07	4527	1173657 (1107533)	73 days	439	1407 files changed, 210678 insertions(+), 64528 deletions(-)	66 Hauke Petersen 54 Kaspar Schleiser 51 Alexandre Abadie 51 Sebastian Meiling 37 Martine Lenders
2017.10	4843	1330828 (1279930)	116 days	496	1823 files changed, 223463 insertions(+), 66144 deletions(-)	84 Hauke Petersen 77 Alexandre Abadie 65 Sebastian Meiling 63 Martine Lenders 59 Joakim Nohlgård
2018.01	5047	1373270 (1320880)	96 days	865	2370 files changed, 223970 insertions(+), 181409 deletions(-)	160 Martine Lenders 140 Alexandre Abadie 100 Kaspar Schleiser 100 Hauke Petersen 90 Sebastian Meiling
2018.04	5492	1568248 (1513008)	100 days	685	1491 files changed, 208555 insertions(+), 11827 deletions(-)	137 Alexandre Abadie 75 Kaspar Schleiser 66 Joakim Nohlgård 56 Martine Lenders 51 Hauke Petersen
2018.10	6759	1885610 (1791926)	119 days	939	2189 files changed, 212421 insertions(+), 34841 deletions(-)	123 Alexandre Abadie 117 Martine Lenders 69 Joakim Nohlgård 65 Sebastian Meiling 62 Gaëtan Harter
2019.01	7129	2010743 (1894431)	110 days	912	1517 files changed, 171702 insertions(+), 46078 deletions(-)	199 Martine Lenders 128 Alexandre Abadie 112 Gunar Schorcht 48 Gaëtan Harter 48 Kees Bakker
2019.04	7336	2038308 (1937998)	93 days	572	826 files changed, 33095 insertions(+), 5149 deletions(-)	76 Martine Lenders 66 Gaëtan Harter 57 Alexandre Abadie 53 Marian Buschsieweke 49 Gunar Schorcht
2019.07	7767	2200717 (2097370)	111 days	660	1377 files changed, 182503 insertions(+), 19667 deletions(-)	120 Alexandre Abadie 83 Gaëtan Harter 70 Martine Lenders 52 Gunar Schorcht 36 Koen Zandberg
2019.10	8179	2305143 (2194992)	115 days	961	2055 files changed, 129712 insertions(+), 24945 deletions(-)	150 Gaëtan Harter 120 Alexandre Abadie 75 Gunar Schorcht 63 Marian Buschsieweke 59 Hauke Petersen
2020.01	9081	2409066 (2277868)	116 days	1369	3054 files changed, 135128 insertions(+), 31870 deletions(-)	258 Alexandre Abadie 171 Kaspar Schleiser 132 Martine Lenders 105 Gunar Schorcht 105 Francisco Molina
2020.04	9975	2580168 (2437695)	105 days	1516	3347 files changed, 359167 insertions(+), 184720 deletions(-)	236 Gunar Schorcht 183 Alexandre Abadie 177 Benjamin Valentin 124 Leandro Lanzieri 92 Francisco Molina
2020.07	10452	2702781 (2545583)	106 days	1411	2371 files changed, 822149 insertions(+), 700313 deletions(-)	204 Benjamin Valentin 190 Leandro Lanzieri 169 Akshai M 158 Alexandre Abadie 92 Marian Buschsieweke
2020.10	11027	2078637 (1907390)	94 days	1355	2426 files changed, 133358 insertions(+), 756906 deletions(-)	239 Alexandre Abadie 227 Benjamin Valentin 141 Koen Zandberg 126 Leandro Lanzieri 110 Marian Buschsieweke
2021.01	12122	2378795 (2194607)	122 days	1442	3853 files changed, 349251 insertions(+), 52516 deletions(-)	274 Alexandre Abadie 211 Benjamin Valentin 138 Leandro Lanzieri 119 Marian Buschsieweke 113 Bas Stottelaar
2021.04	12959	2478457 (2285100)	103 days	992	2564 files changed, 191220 insertions(+), 91400 deletions(-)	164 Alexandre Abadie 125 Leandro Lanzieri 106 Benjamin Valentin 80 Marian Buschsieweke 54 Hauke Petersen
2021.07	13075	2496068 (2298858)	91 days	341	686 files changed, 24189 insertions(+), 7000 deletions(-)	49 Alexandre Abadie 47 Benjamin Valentin 40 Francisco Molina 40 Jose Alamos 19 Hauke Petersen
2021.10	13456	2622673 (2418814)	117 days	594	1758 files changed, 139731 insertions(+), 12029 deletions(-)	120 Benjamin Valentin 100 Jose Alamos 60 Martine Lenders 43 Francisco Molina 30 Hauke Petersen

1. git ls-tree --full-tree -r <release> | wc -l
2. git ls-tree --full-tree -r <release> | xargs -I'{}' git cat-file blob '{}' | wc -l; echo "($(find . -name *.[hcS] -not -regex '\./\.git.*' | xargs -I'{}' git cat-file blob '{}' | wc -l))"
3. START=$(git log -n 1 --pretty="format:%at" <release>-devel); END=$(git log -n 1 --pretty="format:%at" <release>); echo $(( (END - START) /(60*60*24) ))
4. git log --no-merges --pretty=oneline <release>-devel..<release> | wc -l
5. git diff --shortstat --no-renames <release>-devel..<release>
6. git shortlog --no-merges -n -s <release>-devel..<release> |head -n 5