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
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
# Copyright (C) 2021 Nicolas Peugnet <n.peugnet@free.fr>
# This file is part of dna-backup.
# dna-backup is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# dna-backup is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with dna-backup. If not, see <https://www.gnu.org/licenses/>. */
SHELL := /bin/bash
################# Principal parameters #################
REPO_URL ?= https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
REPO_BRANCH ?= master
RANGE ?= daily
# Number of initial commits to skip. This option has been added for the
# Linux kernel repo, as the first commits are too far away date wise.
SKIP_COMMITS ?= 0
# Reset LC_NUMERIC to make printf thousands separator work as expected
export LC_NUMERIC :=
export DNA_BACKUP ?= ../dna-backup
export DNA_PARAMS ?= dna_params
export MAX_VERSION ?= 5
export SKIP_CHECK ?= 4
export COMMITS ?= commits.$(RANGE)
DNA_4K ?= dna_4k
DNA_8K ?= dna_8k
NOPACK ?= nopack
export GIT_NOPACK ?= $(abspath $(NOPACK))
# export BORG ?= borg
export TARGZ ?= targz
export REAL ?= real
export DIFFS ?= diffs
export REPO_PATH ?= repo
export GIT_PATH ?= $(abspath git)
GITC := git -C $(REPO_PATH)
DNADIRS := $(DNA_4K) $(DNA_8K)
DATADIRS := $(DNA_4K) $(DNA_8K) $(DIFFS) $(NOPACK) $(BORG) $(TARGZ) $(REAL)
SIZEFILES := $(DATADIRS:%=%.size)
.PHONY: all exp
all exp: summary.csv $(SIZEFILES)
@echo "=============== SUMMARY ==============="
@head -n 1 $< | while IFS="," read -r $(DATADIRS); do \
printf "$(DATADIRS:%=\%13s)\n" $(DATADIRS:%=$$%); \
done
@tail -n +2 $< | while IFS="," read -r $(DATADIRS); do \
printf "$(DATADIRS:%=\%'13d)\n" $(DATADIRS:%=$$%); \
done
@echo "================ TOTAL ================"
@for i in $(SIZEFILES); do cat $$i | paste -sd+ | bc; done | while read j; do \
printf "%'13d " $$j; \
done
@echo
summary.csv: $(SIZEFILES)
echo $(DATADIRS) | tr ' ' ',' > $@
paste -d "," $^ >> $@
$(DNADIRS:%=%.size) $(REAL).size: %.size: %.versions run
rm -rf $@
for i in $</*; do \
cut -f1 $$i | paste -sd+ | bc >> $@; \
done
$(BORG).size: $(BORG).versions run
rm -rf $@
prev=0; for i in $</*; do \
last=`cut -f1 $$i`; \
let curr=$$last-$$prev; \
echo $$curr >> $@; \
prev=$$last; \
done
$(NOPACK).size: $(NOPACK).versions run
rm -rf $@
prev=/dev/null; for i in $</*; do \
diff -u0 $$prev $$i \
| sed -e '1,2d' -e '/^-/d' -e 's/^+//' -e '/^@@/d' \
| grep /objects/ \
| cut -f1 \
| paste -sd+ \
| bc \
>> $@; \
prev=$$i; \
done
%.size: % run
find $< -type f -exec du -ba {} + | sort -k2 | cut -f1 > $@
%.versions: %.results
rm -rf $@
mkdir -p $@
for i in $*/*; do \
v=`echo $$i | cut -d / -f2`; \
grep $$i $< > $@/$$v ; \
done
%.results: % run
find $< -type f -exec du -ba {} + \
| grep -v hashes \
| sort -k2 \
> $@
run: $(COMMITS) $(DNA_BACKUP) $(DNA_PARAMS) | printvars $(DATADIRS) $(NOPACK).versions $(BORG).versions $(REAL).versions
rm -rf $(DATADIRS:%=%/*) $(DATADIRS:%=%.versions/*)
./exp.sh
touch $@
.PHONY: printvars
printvars:
@$(foreach V,$(sort $(.VARIABLES)),\
$(if $(filter-out environment% default automatic,$(origin $V)),\
$(info $V=$($V))))
$(DNA_PARAMS):
echo "$(DNA_4K) -c 4096" >> $@
echo "$(DNA_8K) -c 8192" >> $@
$(DATADIRS) $(NOPACK).versions $(BORG).versions $(REAL).versions:
mkdir $@
$(DNA_BACKUP): .FORCE
@$(MAKE) -C $(@D) --no-print-directory $(@F)
.INTERMEDIATE: commits.monthly
commits.monthly: commits.daily
sed -n '0~30p' $< > $@
.INTERMEDIATE: commits.weekly
commits.weekly: commits.daily
sed -n '0~7p' $< > $@
.INTERMEDIATE: commits.daily
commits.daily: commits
tail -n +$(SKIP_COMMITS) $< > $@
commits: | repo git
$(GITC) log $(REPO_BRANCH) --reverse --date-order --first-parent --pretty=tformat:"%H %as" \
| sort --unique --key=2 \
> $@
repo git &:
git clone --separate-git-dir=$(GIT_PATH) $(REPO_URL) $(REPO_PATH)
# remove warning about detached head state
$(GITC) config advice.detachedHead false
.PHONY: clean
clean: mostlyclean
rm -rf $(REPO_PATH) $(GIT_PATH)
rm -f commits
mostlyclean: resultsclean
rm -rf $(DATADIRS) $(DATADIRS:%=%.versions)
rm -f run $(DATADIRS:%=%.results) $(DNA_PARAMS) commits.*
resultsclean:
rm -f summary.csv $(SIZEFILES)
.FORCE: ;
|
