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
|
import
future, hashes, options, os, osproc, posix, strutils, tables
type
HaltError* = object of Exception
code*: int
CommandError* = object of Exception
color*: Option[bool]
error*: bool
const
pkgLibDir* = getenv("PROG_PKGLIBDIR")
localStateDir* = getenv("PROG_LOCALSTATEDIR")
sysConfDir* = getenv("PROG_SYSCONFDIR")
bashCmd* = "/bin/bash"
suCmd* = "/usr/bin/su"
sudoCmd* = "/usr/bin/sudo"
gitCmd* = "/usr/bin/git"
gpgCmd* = "/usr/bin/gpg"
gpgConfCmd* = "/usr/bin/gpgconf"
pacmanCmd* = "/usr/bin/pacman"
makepkgCmd* = "/usr/bin/makepkg"
template haltError*(code: int): untyped =
var e: ref HaltError
new(e)
e.code = code
e
template commandError*(message: string, colorNeeded: Option[bool] = none(bool),
showError: bool = true): untyped =
var e: ref CommandError
new(e)
e.msg = message
e.color = colorNeeded
e.error = showError
e
iterator items*[T](self: Option[T]): T {.raises: [].} =
if self.isSome:
yield self.unsafeGet
template len*[T](self: Option[T]): int =
if self.isSome: 1 else: 0
template orElse*[T, R](opt1: Option[T], opt2: Option[R]): Option[R] =
if opt1.isSome: opt1 else: opt2
template hash*[T](opt: Option[T]): int =
opt.map(hash).get(0)
proc opt*[K, V](table: Table[K, V], key: K): Option[V] =
if table.hasKey(key): some(table[key]) else: none(V)
proc opt*[K, V](table: OrderedTable[K, V], key: K): Option[V] =
if table.hasKey(key): some(table[key]) else: none(V)
proc optFirst*[T](s: openArray[T]): Option[T] =
if s.len > 0: some(s[s.low]) else: none(T)
proc optLast*[T](s: openArray[T]): Option[T] =
if s.len > 0: some(s[s.high]) else: none(T)
iterator enumerate*[T: enum]: T =
let elow = T.low.ord
let ehigh = T.high.ord
for i in elow .. ehigh:
yield T(i)
template namedPairsTyped(T: typedesc) =
iterator namedPairs*[K, V](table: T[K, V]): tuple[key: K, value: V] =
for key, value in table.pairs:
yield (key, value)
namedPairsTyped(Table)
namedPairsTyped(OrderedTable)
iterator reversed*[T](s: openArray[T]): T =
for i in countdown(s.len - 1, 0):
yield s[i]
proc groupBy*[T, X](s: seq[T], callback: T -> X): seq[tuple[key: X, values: seq[T]]] =
var table = initOrderedTable[X, ref seq[T]]()
for value in s:
let key = callback(value)
var work: ref seq[T]
if table.hasKey(key):
work = table[key]
else:
new(work)
work[] = newSeq[T]()
table[key] = work
work[] &= value
result = newSeq[tuple[key: X, values: seq[T]]]()
for key, values in table.pairs:
result &= (key, values[])
proc perror*(s: cstring): void {.importc, header: "<stdio.h>".}
template perror*: void = perror(getAppFilename())
proc execResult*(args: varargs[string]): int =
let cexec = allocCStringArray(args)
let code = execvp(cexec[0], cexec)
perror()
deallocCStringArray(cexec)
code
const
interruptSignals* = [SIGINT, SIGTERM]
template blockSignals*(signals: openArray[cint],
unblock: untyped, body: untyped): untyped =
block:
var sigset: Sigset
var sigoldset: Sigset
discard sigemptyset(sigset)
for s in signals:
discard sigaddset(sigset, s)
discard sigprocmask(SIG_BLOCK, sigset, sigoldset)
var unblocked = false
let unblock = () => (block:
if not unblocked:
discard sigprocmask(SIG_SETMASK, sigoldset, sigset)
unblocked = true)
try:
body
finally:
unblock()
proc forkWait*(call: () -> int): int =
blockSignals(interruptSignals, unblock):
let pid = fork()
if pid == 0:
unblock()
quit(call())
else:
var status: cint = 1
discard waitpid(pid, status, 0)
if WIFEXITED(status):
return WEXITSTATUS(status)
else:
discard kill(getpid(), status)
return 1
proc runProgram*(args: varargs[string]): seq[string] =
let output = execProcess(args[0], @args[1 .. ^1], options = {})
if output.len == 0:
@[]
elif output.len > 0 and $output[^1] == "\n":
output[0 .. ^2].split("\n")
else:
output.split("\n")
proc setenv*(name: cstring, value: cstring, override: cint): cint
{.importc, header: "<stdlib.h>".}
proc unsetenv*(name: cstring): cint
{.importc, header: "<stdlib.h>".}
proc getUser*: (int, string) =
let uid = getuid()
while true:
var pw = getpwent()
if pw == nil:
raise newException(SystemError, "")
if pw.pw_uid == uid:
return (uid.int, $pw.pw_name)
proc toString*[T](arr: array[T, char], length: Option[int]): string =
var workLength = length.get(T.high + 1)
var str = newStringOfCap(workLength)
for i in 0 .. workLength - 1:
let c = arr[i]
if length.isNone and c == '\0':
break
str.add(arr[i])
str
proc removeDirQuiet*(s: string) =
try:
removeDir(s)
except:
discard
const bashSpecialCharacters = " \t\"'`()[]{}#&|;!\\*~<>?"
proc bashEscape*(s: string): string =
result = ""
for c in s:
if c in bashSpecialCharacters:
result &= "\\" & c
elif c == "\n"[0]:
result &= "$'\\n'"
elif c.cuint < 0x20.cuint or c.cuint > 0x80.cuint:
result &= "$'\\0x" & c.toHex & "'"
else:
result &= c
proc dgettext(domain: cstring, s: cstring): cstring
{.cdecl, importc: "dgettext".}
proc gettext(domain: string, s: string): string =
let translated = dgettext(domain, s)
if translated != nil: $translated else: s
proc gettextHandle(domain: string, s: string): string =
let res = gettext(domain, s).replace("%s", "$#").replace("%c", "$#")
if res.len > 0 and res[^1 .. ^1] == "\n": res[0 .. ^2] else: res
template tr*(s: string): string =
gettext("pakku", s)
template trp*(s: string): string =
gettextHandle("pacman", s)
template tra*(s: string): string =
gettextHandle("libalpm", s)
template trc*(s: string): string =
gettextHandle("libc", s)
|
