blob: 3e0be7916a78790f6ae36d5cc43afda34e14e5b9 (
plain)
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
|
#!/bin/sh
# list all direct dependencies of a package
#
list_deps() {
local name=$1
local tree_file="${DEP_DIR}/$name"
[ -f $tree_file ] &&
for dep in $(cat "$tree_file"); do
echo $dep
done | sort -u
}
# list all dependencies and sub dependencies of a package
#
resolve_deps () {
local deps=()
local to_check=($@)
if ${RESOLVE_DEPS}; then
while [ "${#to_check[@]}" != "0" ]; do
local package=${to_check[-1]}
unset to_check[-1]
deps+=($package)
for dep in $(list_deps $package); do
# if not already checked
if echo ${deps[*]} | grep -qv "\b$dep\b"; then
to_check+=($dep)
fi
done
done
echo ${deps[@]}
else
echo $@
fi
}
get_package_download_info() {
tail -1 ${PACKAGES_DIR}/*/$1
}
get_available_version () {
echo "${info[1]}"
}
is_installed() {
[ -f "${INSTALLED_DIR}/$1/checksum" ]
}
get_installed_version () {
local name=$1
local file="${INSTALLED_DIR}/$name/checksum"
[ -f $file ] &&
cat $file
}
# bad implementation
exists () {
[ "$(find ${PACKAGES_DIR} -mindepth 2 -name "$1" | wc -l)" != "0" ]
}
download () {
local requested=($@)
local missing=()
local install=()
local update=()
local urls=()
local total_download=0
for package in $(resolve_deps $@); do
if exists $package; then
info=($(get_package_download_info $package))
url=${info[0]}
checksum=${info[1]}
size=${info[2]}
files=${info[3]}
if is_installed $package; then
if [ "$(get_installed_version $package)" != "$(get_available_version $package)" ]; then
update+=($package)
total_download=$((total_download+size))
fi
else
install+=($package)
total_download=$((total_download+size))
fi
else
missing+=($package)
fi
done
if [ "${#missing[@]}" != "0" ]; then
printf "${LIGHT_RED}The following packages could not be located:"
for package in ${missing[*]}; do
printf "${RED} $package"
done
printf "${RESET}\n"
fi
if [ "${#update[@]}" != "0" ]; then
printf "${LIGHT_GREEN}The following packages will be updated:\n\t"
for package in ${update[*]}; do
printf "${GREEN} $package"
done
printf "${RESET}\n"
fi
if [ "${#install[@]}" != "0" ]; then
printf "${LIGHT_BLUE}The following packages will be updated:\n\t"
for package in ${install[*]}; do
printf "${BLUE} $package"
done
printf "${RESET}\n"
fi
echo "total download size: ${total_download} bytes"
}
|
