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
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
|
#!/bin/sh
# receive one package to be built from the build-list whose dependencies
# are already satisfied or which breaks a dependency cycle
# accepts a comma separated list of prefered packages as the first argument
# exit code shows state of success:
# 0: ok, I gave you an assignment
# 1: come back (shortly) later - I was running already
# 2: come back later - there are still packages to be built,
# but currently none has all its dependencies ready
# 3: come back after the next run of get-package-updates - currently
# there are no pending packages
# shellcheck source=conf/default.conf
. "${0%/*}/../conf/default.conf"
mkdir -p "${work_dir}/package-states"
hand_out_assignment() {
# find out the sub_pkgrel
sub_pkgrel=$(
next_sub_pkgrel "$1" "$2" "$3" "$4"
)
# we don't care anymore if an older version of this package was
# "locked" or "broken"
find "${work_dir}/package-states" -maxdepth 1 -regextype grep \
-regex ".*/$(str_to_regex "$1")\(\.[^.]\+\)\{3\}\.\(locked\|broken\)" \
-not -regex ".*/$(str_to_regex "$1.$2.$3.$4.")[^.]\+" \
-delete
# move that build order to the end of the build-list
sed -i '
/^'"$(str_to_regex "$1 $2 $3 $4")"'$/ {
$ b
d
}
$ a '"$1 $2 $3 $4" \
"${work_dir}/build-list"
echo "$1 $2 $3 $4 ${sub_pkgrel}"
{
# shellcheck disable=SC2154
echo "${slave}"
if [ -r "${work_dir}/package-states/$1.$2.$3.$4.locked" ]; then
cat "${work_dir}/package-states/$1.$2.$3.$4.locked"
fi
} | \
sort -u | \
sponge "${work_dir}/package-states/$1.$2.$3.$4.locked"
# lock every loop this package breaks
find "${work_dir}/build-list.loops" -maxdepth 1 -regextype grep \
-regex '.*/loop_[0-9]\+' \
-exec grep -qxF "$1" '{}' \; \
-exec touch '{}.locked' \;
exit 0
}
if [ -s "${work_dir}/build-master-sanity" ]; then
>&2 echo 'Build master is not sane.'
exit 1
fi
# Create a lock file and a trap.
exec 9> "${build_list_lock_file}"
if ! flock -n 9; then
>&2 echo 'come back (shortly) later - I cannot lock build list.'
exit 1
fi
exec 8> "${sanity_check_lock_file}"
if ! flock -s -n 8; then
>&2 echo 'come back (shortly) later - sanity-check running.'
exit 1
fi
clean_up() {
rm -f "${build_list_lock_file}"
rm -rf --one-file-system "${tmp_dir}"
}
tmp_dir=$(mktemp -d)
trap clean_up EXIT
# Check if there are any pending packages at all and if the requester
# has already got an assignment.
pending_packages=false
while read -r package git_revision mod_git_revision repository; do
generate_package_metadata "${package}.${git_revision}.${mod_git_revision}.${repository}"
if [ -f "${work_dir}/package-states/${package}.${git_revision}.${mod_git_revision}.${repository}.locked" ]; then
# has this slave already got or does he prefer this assignment?
# note, that the dependencies are met, because this package is already locked
if grep -qxF "${slave}" "${work_dir}/package-states/${package}.${git_revision}.${mod_git_revision}.${repository}.locked" || \
printf ',%s,' "$1" | \
grep -qF ",${package},"; then
hand_out_assignment "${package}" "${git_revision}" "${mod_git_revision}" "${repository}"
fi
elif [ ! -f "${work_dir}/package-states/${package}.${git_revision}.${mod_git_revision}.${repository}.blocked" ]; then
pending_packages=true
fi
done < "${work_dir}/build-list"
if ! ${pending_packages}; then
>&2 echo 'come back after the next run of get-package-updates - currently there are no pending packages'
exit 3
fi
# Find first package of build-list whose "dependencies" are all met
# 1st: prefered packages on the build list which have all dependencies met
# 2nd: unbroken packages on the build list which have all dependencies met
# 3rd: unbroken packages breaking a loop
# 4th: broken packages which have all dependencies met or break a loop
for iteration in 'prefered' 'fresh' 'loops' 'broken'; do
case "${iteration}" in
'prefered')
hand_out_blocked=true
hand_out_broken=true
hand_out_loop=false
echo "$1" | \
tr ',' '\n' | \
sort -u > \
"${tmp_dir}/hand-out-only-these-packages"
;;
'fresh')
hand_out_blocked=false
hand_out_broken=false
hand_out_loop=false
{
cat "${work_dir}/build-list"
find "${work_dir}/package-states" -name '*.broken' -printf '%f\n' | \
sed '
s|\.\([^.]\+\)\.\([^.]\+\)\.\([^.]\+\)\.[^.]\+$| \1 \2 \3|
p
'
} | \
sort -k1,1 -k2 | \
uniq -u | \
cut -d' ' -f1 | \
uniq > \
"${tmp_dir}/hand-out-only-these-packages"
;;
'loops')
hand_out_blocked=false
hand_out_broken=false
hand_out_loop=true
find "${work_dir}/build-list.loops" -maxdepth 1 -regextype grep \
-regex '.*/loop_[0-9]\+' \
-exec cat {} \; | \
sort -u > \
"${tmp_dir}/hand-out-only-these-packages"
;;
'broken')
hand_out_blocked=false
hand_out_broken=true
hand_out_loop=true
cut -d' ' -f1 < \
"${work_dir}/build-list" | \
sort -u > \
"${tmp_dir}/hand-out-only-these-packages"
;;
esac
cat -n "${work_dir}/build-list" | \
sort -k2,2 | \
join -1 1 -2 2 -o 2.1,2.2,2.3,2.4,2.5 "${tmp_dir}/hand-out-only-these-packages" - | \
sort -k1,1 | \
sed 's|^\s*\S\+\s\+||' > \
"${tmp_dir}/try-to-hand-out-these-packages"
while read -r package git_revision mod_git_revision repository; do
# package locked? (we have taken care of those in the previous loop)
if [ -f "${work_dir}/package-states/${package}.${git_revision}.${mod_git_revision}.${repository}.locked" ]; then
continue
fi
# package blocked?
if ! ${hand_out_blocked} &&
[ -f "${work_dir}/package-states/${package}.${git_revision}.${mod_git_revision}.${repository}.blocked" ]; then
continue
fi
# package broken?
if ! ${hand_out_broken} && \
[ -f "${work_dir}/package-states/${package}.${git_revision}.${mod_git_revision}.${repository}.broken" ]; then
continue
fi
# dependencies met?
if [ -n "$(find_dependencies_on_build_list "${package}" "${git_revision}" "${mod_git_revision}" "${repository}")" ]; then
# do we hand out looped packages?
if ! ${hand_out_loop}; then
continue
fi
# is it a looped package?
if ! find "${work_dir}/build-list.loops" -maxdepth 1 -regextype grep \
-regex '.*/loop_[0-9]\+' \
-exec cat {} \; | \
grep -qxF "${package}"; then
continue
fi
fi
hand_out_assignment "${package}" "${git_revision}" "${mod_git_revision}" "${repository}"
done < \
"${tmp_dir}/try-to-hand-out-these-packages"
done
# Remove the lock file
>&2 echo 'come back later - there are still packages to be built, but currently none has all its dependencies ready'
exit 2
|
