-
Notifications
You must be signed in to change notification settings - Fork 8
/
swivm.sh
executable file
·2135 lines (1938 loc) · 60.4 KB
/
swivm.sh
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
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
# SWI-Prolog Version Manager
# Implemented as a POSIX-compliant function
# Should work on sh, dash, bash, ksh, zsh
# To use source this file from your bash profile
#
# Implemented by Falco Nogatz <[email protected]>.
# Based on the Node Version Manager (nvm), by Tim
# Caswell <[email protected]> and Matthew Ranney
{ # this ensures the entire script is downloaded #
SWIVM_SCRIPT_SOURCE="$_"
swivm_is_zsh() {
[ -n "${ZSH_VERSION-}" ]
}
swivm_echo() {
command printf %s\\n "$*" 2>/dev/null
}
swivm_cd() {
\cd "$@"
}
swivm_err() {
>&2 swivm_echo "$@"
}
swivm_grep() {
GREP_OPTIONS='' command grep "$@"
}
swivm_has() {
type "${1-}" > /dev/null 2>&1
}
swivm_is_alias() {
# this is intentionally not "command alias" so it works in zsh.
\alias "$1" > /dev/null 2>&1
}
swivm_has_colors() {
local SWIVM_COLORS
if swivm_has tput; then
SWIVM_COLORS="$(tput -T "${TERM:-vt100}" colors)"
fi
[ "${SWIVM_COLORS:--1}" -ge 8 ]
}
swivm_download() {
if swivm_has "curl"; then
curl -q $*
elif swivm_has "wget"; then
# Emulate curl with wget
ARGS=$(echo "$*" | command sed -e 's/--progress-bar /--progress=bar /' \
-e 's/-L //' \
-e 's/-I /--server-response /' \
-e 's/-s /-q /' \
-e 's/-o /-O /' \
-e 's/-C - /-c /')
eval wget $ARGS
fi
}
swivm_has_system() {
[ "$(swivm deactivate >/dev/null 2>&1 && command -v swipl)" != '' ]
}
swivm_is_version_installed() {
[ -n "${1-}" ] && [ -x "$(swivm_version_path "$1" 2>/dev/null)"/bin/swipl ]
}
# Make zsh glob matching behave same as bash
# This fixes the "zsh: no matches found" errors
if swivm_has "unsetopt"; then
unsetopt nomatch 2>/dev/null
SWIVM_CD_FLAGS="-q"
fi
# Auto detect the SWIVM_DIR when not set
if [ -z "$SWIVM_DIR" ]; then
if [ -n "$BASH_SOURCE" ]; then
SWIVM_SCRIPT_SOURCE="${BASH_SOURCE[0]}"
fi
SWIVM_DIR="$(cd $SWIVM_CD_FLAGS "$(dirname "${SWIVM_SCRIPT_SOURCE:-$0}")" > /dev/null && \pwd)"
export SWIVM_DIR
fi
unset SWIVM_SCRIPT_SOURCE 2> /dev/null
# Setup mirror location if not already set
if [ -z "$SWIVM_MIRROR" ]; then
export SWIVM_MIRROR="https://www.swi-prolog.org/download/"
fi
if [ -z "$GITHUB_MIRROR" ]; then
export GITHUB_MIRROR="https://github.com/SWI-Prolog"
fi
swivm_tree_contains_path() {
local tree
tree="$1"
local swi_path
swi_path="$2"
if [ "@$tree@" = "@@" ] || [ "@$swi_path@" = "@@" ]; then
>&2 echo "both the tree and the SWI-Prolog path are required"
return 2
fi
local pathdir
pathdir=$(dirname "$swi_path")
while [ "$pathdir" != "" ] && [ "$pathdir" != "." ] && [ "$pathdir" != "/" ] && [ "$pathdir" != "$tree" ]; do
pathdir=$(dirname "$pathdir")
done
[ "$pathdir" = "$tree" ]
}
# Traverse up in directory tree to find containing folder
swivm_find_up() {
local path
path=$PWD
while [ "$path" != "" ] && [ ! -f "$path/$1" ]; do
path=${path%/*}
done
echo "$path"
}
swivm_find_swivmrc() {
local dir
dir="$(swivm_find_up '.swivmrc')"
if [ -e "$dir/.swivmrc" ]; then
echo "$dir/.swivmrc"
fi
}
# Obtain swivm version from rc file
swivm_rc_version() {
export SWIVM_RC_VERSION=''
local SWIVMRC_PATH
SWIVMRC_PATH="$(swivm_find_swivmrc)"
if [ ! -e "${SWIVMRC_PATH}" ]; then
swivm_err "No .swivmrc file found"
return 1
fi
SWIVM_RC_VERSION="$(command head -n 1 "${SWIVMRC_PATH}" | command tr -d '\r')" || command printf ''
if [ -z "${SWIVM_RC_VERSION}" ]; then
swivm_err "Warning: empty .swivmrc file found at \"${SWIVMRC_PATH}\""
return 2
fi
swivm_echo "Found '${SWIVMRC_PATH}' with version <${SWIVM_RC_VERSION}>"
}
swivm_version_greater() {
local LHS
LHS="$(swivm_normalize_version "$1")"
local RHS
RHS="$(swivm_normalize_version "$2")"
[ "$LHS" -gt "$RHS" ];
}
swivm_version_greater_than_or_equal_to() {
local LHS
LHS="$(swivm_normalize_version "$1")"
local RHS
RHS="$(swivm_normalize_version "$2")"
[ "$LHS" -ge "$RHS" ];
}
swivm_version_dir() {
local SWIVM_WHICH_DIR
SWIVM_WHICH_DIR="$1"
echo "$SWIVM_DIR/versions"
}
swivm_alias_path() {
echo "$SWIVM_DIR/alias"
}
swivm_version_path() {
local VERSION
VERSION="$1"
if [ -z "$VERSION" ]; then
swivm_echo "version is required" >&2
return 3
else
swivm_echo "$(swivm_version_dir)/$VERSION"
fi
}
swivm_lib_path() {
local VERSION_PATH
VERSION_PATH="$1"
swivm_echo "${VERSION_PATH}/lib/swipl/lib/x86_64-linux"
}
swivm_ensure_version_installed() {
local PROVIDED_VERSION
PROVIDED_VERSION="$1"
local LOCAL_VERSION
local EXIT_CODE
LOCAL_VERSION="$(swivm_version "$PROVIDED_VERSION")"
EXIT_CODE="$?"
local SWIVM_VERSION_DIR
if [ "_$EXIT_CODE" = "_0" ]; then
SWIVM_VERSION_DIR="$(swivm_version_path "$LOCAL_VERSION")"
fi
if [ "_$EXIT_CODE" != "_0" ] || [ ! -d "$SWIVM_VERSION_DIR" ]; then
VERSION="$(swivm_resolve_alias "$PROVIDED_VERSION")"
if [ $? -eq 0 ]; then
echo "N/A: version \"$PROVIDED_VERSION -> $VERSION\" is not yet installed" >&2
else
echo "N/A: version \"$PROVIDED_VERSION\" is not yet installed" >&2
fi
return 1
fi
}
# Expand a version using the version cache
swivm_version() {
local PATTERN
PATTERN="${1-}"
local VERSION
# The default version is the current one
if [ -z "${PATTERN}" ]; then
PATTERN='current'
fi
if [ "${PATTERN}" = "current" ]; then
swivm_ls_current
return $?
fi
VERSION="$(swivm_ls "${PATTERN}" | command tail -1)"
if [ -z "${VERSION}" ] || [ "_${VERSION}" = "_N/A" ]; then
swivm_echo "N/A"
return 3
fi
swivm_echo "${VERSION}"
}
swivm_remote_version() {
local PATTERN
PATTERN="${1-}"
local VERSION
if swivm_validate_implicit_alias "${PATTERN}" 2>/dev/null; then
case "${PATTERN}" in
*)
VERSION="$(swivm_ls_remote "${PATTERN}")" &&:
;;
esac
else
VERSION="$(swivm_remote_versions "${PATTERN}" | command tail -1)"
fi
if [ -n "${SWIVM_VERSION_ONLY-}" ]; then
command awk 'BEGIN {
n = split(ARGV[1], a);
print a[1]
}' "${VERSION}"
else
swivm_echo "${VERSION}"
fi
if [ "${VERSION}" = 'N/A' ]; then
return 3
fi
}
swivm_remote_versions() {
local PATTERN
PATTERN="$1"
if swivm_validate_implicit_alias "$PATTERN" 2> /dev/null ; then
echo >&2 "Implicit aliases are not supported in swivm_remote_versions."
return 1
fi
VERSIONS="$(echo "$(swivm_ls_remote "$PATTERN")" | command grep -v "N/A" | command sed '/^$/d')"
if [ -z "$VERSIONS" ]; then
echo "N/A"
return 3
else
echo "$VERSIONS"
fi
}
swivm_is_valid_version() {
if swivm_validate_implicit_alias "${1-}" 2>/dev/null; then
return 0
fi
case "${1-}" in
*)
local VERSION
VERSION="${1-}"
swivm_version_greater_than_or_equal_to "${VERSION}" 0
;;
esac
}
swivm_normalize_version() {
echo "${1#v}" | command awk -F. '{ printf("%d%06d%06d\n", $1,$2,$3); }'
}
swivm_ensure_version_prefix() {
local SWIVM_VERSION
SWIVM_VERSION="$(echo "${1-}" | command sed -e 's/^\([0-9]\)/v\1/g')"
swivm_echo "${SWIVM_VERSION}"
}
swivm_format_version() {
local VERSION
VERSION="$(swivm_ensure_version_prefix "${1-}")"
local NUM_GROUPS
NUM_GROUPS="$(swivm_num_version_groups "${VERSION}")"
if [ "${NUM_GROUPS}" -lt 3 ]; then
swivm_format_version "${VERSION%.}.0"
else
swivm_echo "${VERSION}" | command cut -f1-3 -d.
fi
}
swivm_num_version_groups() {
local VERSION
VERSION="$1"
VERSION="${VERSION#v}"
VERSION="${VERSION%.}"
if [ -z "$VERSION" ]; then
echo "0"
return
fi
local SWIVM_NUM_DOTS
SWIVM_NUM_DOTS=$(echo "$VERSION" | command sed -e 's/[^\.]//g')
local SWIVM_NUM_GROUPS
SWIVM_NUM_GROUPS=".$SWIVM_NUM_DOTS" # add extra dot, since it's (n - 1) dots at this point
echo "${#SWIVM_NUM_GROUPS}"
}
swivm_strip_path() {
echo "$1" | command sed \
-e "s#$SWIVM_DIR/[^/]*$2[^:]*:##g" \
-e "s#:$SWIVM_DIR/[^/]*$2[^:]*##g" \
-e "s#$SWIVM_DIR/[^/]*$2[^:]*##g" \
-e "s#$SWIVM_DIR/versions/[^/]*$2[^:]*:##g" \
-e "s#:$SWIVM_DIR/versions/[^/]*$2[^:]*##g" \
-e "s#$SWIVM_DIR/versions/[^/]*$2[^:]*##g"
}
swivm_prepend_path() {
if [ -z "$1" ]; then
echo "$2"
else
echo "$2:$1"
fi
}
swivm_change_path() {
# if there’s no initial path, just return the supplementary path
if [ -z "${1-}" ]; then
swivm_echo "${3-}${2-}"
# if the initial path doesn’t contain an swivm path, prepend the supplementary
# path
elif ! swivm_echo "${1-}" | swivm_grep -q "${SWIVM_DIR}/[^/]*${2-}" \
&& ! swivm_echo "${1-}" | swivm_grep -q "${SWIVM_DIR}/versions/[^/]*/[^/]*${2-}"; then
swivm_echo "${3-}${2-}:${1-}"
# if the initial path contains BOTH an swivm path (checked for above) and
# that swivm path is preceded by a system binary path, just prepend the
# supplementary path instead of replacing it.
# https://github.com/nvm-sh/nvm/issues/1652#issuecomment-342571223
elif swivm_echo "${1-}" | swivm_grep -Eq "(^|:)(/usr(/local)?)?${2-}:.*${SWIVM_DIR}/[^/]*${2-}" \
|| swivm_echo "${1-}" | swivm_grep -Eq "(^|:)(/usr(/local)?)?${2-}:.*${SWIVM_DIR}/versions/[^/]*/[^/]*${2-}"; then
swivm_echo "${3-}${2-}:${1-}"
# use sed to replace the existing swivm path with the supplementary path. This
# preserves the order of the path.
else
swivm_echo "${1-}" | command sed \
-e "s#${SWIVM_DIR}/[^/]*${2-}[^:]*#${3-}${2-}#" \
-e "s#${SWIVM_DIR}/versions/[^/]*/[^/]*${2-}[^:]*#${3-}${2-}#"
fi
}
swivm_print_formatted_alias() {
local ALIAS
ALIAS="${1-}"
local DEST
DEST="${2-}"
local VERSION
VERSION="${3-}"
if [ -z "${VERSION}" ]; then
VERSION="$(swivm_version "${DEST}")" ||:
fi
local VERSION_FORMAT
local ALIAS_FORMAT
local DEST_FORMAT
ALIAS_FORMAT='%s'
DEST_FORMAT='%s'
VERSION_FORMAT='%s'
local NEWLINE
NEWLINE='\n'
if [ "_${DEFAULT}" = '_true' ]; then
NEWLINE=' (default)\n'
fi
local ARROW
ARROW='->'
if [ -z "${SWIVM_NO_COLORS}" ] && swivm_has_colors; then
ARROW='\033[0;90m->\033[0m'
if [ "_${DEFAULT}" = '_true' ]; then
NEWLINE=' \033[0;37m(default)\033[0m\n'
fi
if [ "_${VERSION}" = "_${SWIVM_CURRENT-}" ]; then
ALIAS_FORMAT='\033[0;32m%s\033[0m'
DEST_FORMAT='\033[0;32m%s\033[0m'
VERSION_FORMAT='\033[0;32m%s\033[0m'
elif swivm_is_version_installed "${VERSION}"; then
ALIAS_FORMAT='\033[0;34m%s\033[0m'
DEST_FORMAT='\033[0;34m%s\033[0m'
VERSION_FORMAT='\033[0;34m%s\033[0m'
elif [ "${VERSION}" = '∞' ] || [ "${VERSION}" = 'N/A' ]; then
ALIAS_FORMAT='\033[1;31m%s\033[0m'
DEST_FORMAT='\033[1;31m%s\033[0m'
VERSION_FORMAT='\033[1;31m%s\033[0m'
fi
elif [ "_${VERSION}" != '_∞' ] && [ "_${VERSION}" != '_N/A' ]; then
VERSION_FORMAT='%s *'
fi
if [ "${DEST}" = "${VERSION}" ]; then
command printf -- "${ALIAS_FORMAT} ${ARROW} ${VERSION_FORMAT}${NEWLINE}" "${ALIAS}" "${DEST}"
else
command printf -- "${ALIAS_FORMAT} ${ARROW} ${DEST_FORMAT} (${ARROW} ${VERSION_FORMAT})${NEWLINE}" "${ALIAS}" "${DEST}" "${VERSION}"
fi
}
swivm_print_alias_path() {
local SWIVM_ALIAS_DIR
SWIVM_ALIAS_DIR="${1-}"
if [ -z "${SWIVM_ALIAS_DIR}" ]; then
swivm_err 'An alias dir is required.'
return 1
fi
local ALIAS_PATH
ALIAS_PATH="${2-}"
if [ -z "${ALIAS_PATH}" ]; then
swivm_err 'An alias path is required.'
return 2
fi
local ALIAS
ALIAS="${ALIAS_PATH##${SWIVM_ALIAS_DIR}\/}"
local DEST
DEST="$(swivm_alias "${ALIAS}" 2>/dev/null)" ||:
if [ -n "${DEST}" ]; then
SWIVM_NO_COLORS="${SWIVM_NO_COLORS-}" DEFAULT=false swivm_print_formatted_alias "${ALIAS}" "${DEST}"
fi
}
swivm_print_default_alias() {
local ALIAS
ALIAS="${1-}"
if [ -z "${ALIAS}" ]; then
swivm_err 'A default alias is required.'
return 1
fi
local DEST
DEST="$(swivm_print_implicit_alias local "${ALIAS}")"
if [ -n "${DEST}" ]; then
SWIVM_NO_COLORS="${SWIVM_NO_COLORS-}" DEFAULT=true swivm_print_formatted_alias "${ALIAS}" "${DEST}"
fi
}
swivm_make_alias() {
local ALIAS
ALIAS="${1-}"
if [ -z "${ALIAS}" ]; then
swivm_err "an alias name is required"
return 1
fi
local VERSION
VERSION="${2-}"
if [ -z "${VERSION}" ]; then
swivm_err "an alias target version is required"
return 2
fi
swivm_echo "${VERSION}" | tee "$(swivm_alias_path)/${ALIAS}" >/dev/null
}
swivm_list_aliases() {
local ALIAS
ALIAS="${1-}"
local SWIVM_CURRENT
SWIVM_CURRENT="$(swivm_ls_current)"
local SWIVM_ALIAS_DIR
SWIVM_ALIAS_DIR="$(swivm_alias_path)"
command mkdir -p "${SWIVM_ALIAS_DIR}"
(
local ALIAS_PATH
for ALIAS_PATH in "${SWIVM_ALIAS_DIR}/${ALIAS}"*; do
SWIVM_NO_COLORS="${SWIVM_NO_COLORS-}" SWIVM_CURRENT="${SWIVM_CURRENT}" swivm_print_alias_path "${SWIVM_ALIAS_DIR}" "${ALIAS_PATH}" &
done
wait
) | sort
(
local ALIAS_NAME
for ALIAS_NAME in "stable" "devel"; do
{
if [ ! -f "${SWIVM_ALIAS_DIR}/${ALIAS_NAME}" ] && { [ -z "${ALIAS}" ] || [ "${ALIAS_NAME}" = "${ALIAS}" ]; }; then
SWIVM_NO_COLORS="${SWIVM_NO_COLORS-}" SWIVM_CURRENT="${SWIVM_CURRENT}" swivm_print_default_alias "${ALIAS_NAME}"
fi
} &
done
wait
) | sort
return
}
swivm_alias() {
local ALIAS
ALIAS="$1"
if [ -z "$ALIAS" ]; then
echo >&2 'An alias is required.'
return 1
fi
local SWIVM_ALIAS_PATH
SWIVM_ALIAS_PATH="$(swivm_alias_path)/$ALIAS"
if [ ! -f "$SWIVM_ALIAS_PATH" ]; then
echo >&2 'Alias does not exist.'
return 2
fi
command cat "$SWIVM_ALIAS_PATH"
}
swivm_ls_current() {
local SWIVM_LS_CURRENT_PATH
if ! SWIVM_LS_CURRENT_PATH="$(command which swipl 2>/dev/null)"; then
swivm_echo 'none'
elif swivm_tree_contains_path "${SWIVM_DIR}" "${SWIVM_LS_CURRENT_PATH}"; then
local VERSION
VERSION="$(swipl --version | sed -E "s/^.* ([0-9]+(\.[0-9]+)*) .*$/\1/g" 2>/dev/null)"
swivm_echo "v${VERSION}"
else
swivm_echo 'system'
fi
}
swivm_resolve_alias() {
if [ -z "${1-}" ]; then
return 1
fi
local PATTERN
PATTERN="${1-}"
local ALIAS
ALIAS="${PATTERN}"
local ALIAS_TEMP
local SEEN_ALIASES
SEEN_ALIASES="${ALIAS}"
while true; do
ALIAS_TEMP="$(swivm_alias "${ALIAS}" 2>/dev/null || swivm_echo)"
if [ -z "${ALIAS_TEMP}" ]; then
break
fi
if command printf "${SEEN_ALIASES}" | swivm_grep -q -e "^${ALIAS_TEMP}$"; then
ALIAS="∞"
break
fi
SEEN_ALIASES="${SEEN_ALIASES}\\n${ALIAS_TEMP}"
ALIAS="${ALIAS_TEMP}"
done
if [ -n "${ALIAS}" ] && [ "_${ALIAS}" != "_${PATTERN}" ]; then
case "${ALIAS}" in
'∞')
swivm_echo "${ALIAS}"
;;
*)
swivm_ensure_version_prefix "${ALIAS}"
;;
esac
return 0
fi
if swivm_validate_implicit_alias "${PATTERN}" 2>/dev/null; then
local IMPLICIT
IMPLICIT="$(swivm_print_implicit_alias local "${PATTERN}" 2>/dev/null)"
if [ -n "${IMPLICIT}" ]; then
swivm_ensure_version_prefix "${IMPLICIT}"
fi
fi
return 2
}
swivm_resolve_local_alias() {
if [ -z "$1" ]; then
return 1
fi
local VERSION
local EXIT_CODE
VERSION="$(swivm_resolve_alias "$1")"
EXIT_CODE=$?
if [ -z "$VERSION" ]; then
return $EXIT_CODE
fi
if [ "_$VERSION" != "_∞" ]; then
swivm_version "$VERSION"
else
echo "$VERSION"
fi
}
swivm_version_mode() {
local VERSION
VERSION="$1"
local NORMALIZED_VERSION
NORMALIZED_VERSION="$(swivm_normalize_version "$VERSION")"
local MOD
MOD=$(expr "$NORMALIZED_VERSION" \/ 1000000 \% 2)
local MODE
MODE='stable'
if [ "$MOD" -eq 1 ]; then
MODE='devel'
fi
echo "$MODE"
}
swivm_is_stable_version() {
local VERSION
VERSION="$1"
local MODE
MODE="$(swivm_version_mode "$VERSION")"
if [ "_$MODE" = "_stable" ]; then
return 0
fi
return 1
}
swivm_ls() {
local PATTERN
PATTERN="${1-}"
local VERSIONS
VERSIONS=''
if [ "${PATTERN}" = 'current' ]; then
swivm_ls_current
return
fi
case "${PATTERN}" in
*)
if swivm_resolve_local_alias "${PATTERN}"; then
return
fi
PATTERN="$(swivm_ensure_version_prefix "${PATTERN}")"
;;
esac
if [ "${PATTERN}" = 'N/A' ]; then
return
fi
# If it looks like an explicit version, don't do anything funny
local SWIVM_PATTERN_STARTS_WITH_V
case $PATTERN in
v*) SWIVM_PATTERN_STARTS_WITH_V=true ;;
*) SWIVM_PATTERN_STARTS_WITH_V=false ;;
esac
if [ $SWIVM_PATTERN_STARTS_WITH_V = true ] && [ "_$(swivm_num_version_groups "${PATTERN}")" = "_3" ]; then
if swivm_is_version_installed "${PATTERN}"; then
VERSIONS="${PATTERN}"
fi
else
case "${PATTERN}" in
"system") ;;
*)
local NUM_VERSION_GROUPS
NUM_VERSION_GROUPS="$(swivm_num_version_groups "${PATTERN}")"
if [ "${NUM_VERSION_GROUPS}" = "2" ] || [ "${NUM_VERSION_GROUPS}" = "1" ]; then
PATTERN="${PATTERN%.}."
fi
;;
esac
swivm_is_zsh && setopt local_options shwordsplit
local SWIVM_DIRS_TO_SEARCH1
SWIVM_DIRS_TO_SEARCH1=''
SWIVM_ADD_SYSTEM=false
SWIVM_DIRS_TO_SEARCH="$(swivm_version_dir)"
if swivm_has_system ; then
SWIVM_ADD_SYSTEM=true
fi
if ! [ -d "${SWIVM_DIRS_TO_SEARCH}" ] || ! (command ls -1qA "${SWIVM_DIRS_TO_SEARCH}" | swivm_grep -q .); then
SWIVM_DIRS_TO_SEARCH=''
fi
local SEARCH_PATTERN
if [ -z "${PATTERN}" ]; then
PATTERN='v'
SEARCH_PATTERN='.*'
else
SEARCH_PATTERN="$(swivm_echo "${PATTERN}" | command sed 's#\.#\\\.#g;')"
fi
if [ -n "${SWIVM_DIRS_TO_SEARCH}" ]; then
VERSIONS="$(command find "${SWIVM_DIRS_TO_SEARCH}"/* -name . -o -type d -prune -o -path "${PATTERN}*" \
| command sed -e "
s#^${SWIVM_DIR}/##;
\\#^[^v]# d;
\\#^versions\$# d;
s#^versions/##;
\\#${SEARCH_PATTERN}# !d;
" \
-e 's#^\([^/]\{1,\}\)/\(.*\)$#\2.\1#;' \
| command sort -t. -u -k 1.2,1n -k 2,2n -k 3,3n \
)"
fi
fi
if [ "${SWIVM_ADD_SYSTEM-}" = true ]; then
if [ -z "${PATTERN}" ] || [ "${PATTERN}" = 'v' ]; then
VERSIONS="${VERSIONS}$(command printf '\n%s' 'system')"
elif [ "${PATTERN}" = 'system' ]; then
VERSIONS="$(command printf '%s' 'system')"
fi
fi
if [ -z "${VERSIONS}" ]; then
swivm_echo 'N/A'
return 3
fi
swivm_echo "${VERSIONS}"
}
swivm_ls_remote() {
local PATTERN
PATTERN="${1-}"
if swivm_validate_implicit_alias "${PATTERN}" 2>/dev/null ; then
local IMPLICIT
IMPLICIT="$(swivm_print_implicit_alias remote "${PATTERN}")"
if [ -z "${IMPLICIT-}" ] || [ "${IMPLICIT}" = 'N/A' ]; then
swivm_echo "N/A"
return 3
fi
PATTERN="$(swivm_ls_remote "${IMPLICIT}" | command tail -1 | command awk '{ print $1 }')"
elif [ -n "${PATTERN}" ]; then
PATTERN="$(swivm_ensure_version_prefix "${PATTERN}")"
else
PATTERN=".*"
fi
swivm_ls_remote_index "$SWIVM_MIRROR" "${PATTERN}"
}
swivm_ls_remote_index() {
if [ "$#" -lt 2 ]; then
echo "not enough arguments" >&2
return 5
fi
local PREFIX
PREFIX=''
local SORT_COMMAND
SORT_COMMAND='sort -t. -u -k 1,1n -k 2,2n -k 3,3n'
local MIRROR
MIRROR="$1"
local PATTERN
PATTERN="$2"
local VERSIONS
if [ -z "$PATTERN" ]; then
PATTERN=".*"
fi
ZHS_HAS_SHWORDSPLIT_UNSET=1
if swivm_has "setopt"; then
ZHS_HAS_SHWORDSPLIT_UNSET=$(setopt | command grep shwordsplit > /dev/null ; echo $?)
setopt shwordsplit
fi
VERSIONS="$(swivm_download -L -s "$MIRROR/devel/src/" "$MIRROR/stable/src/" -o - \
| command grep -E 'a href=\"(swi)?pl\-' \
| command sed -E 's/^.*a href="(swi)?pl\-(.*)\.tar\.gz".*$/\2/' \
| command sed -E 's/^/v/' \
| command grep -w "^$PATTERN" \
| command sed -E 's/^v//' \
| $SORT_COMMAND \
| command sed -E 's/^/v/')"
if [ "$ZHS_HAS_SHWORDSPLIT_UNSET" -eq 1 ] && swivm_has "unsetopt"; then
unsetopt shwordsplit
fi
if [ -z "$VERSIONS" ]; then
echo "N/A"
return 3
fi
echo "$VERSIONS"
}
swivm_print_versions() {
local VERSION
local FORMAT
local SWIVM_CURRENT
SWIVM_CURRENT=$(swivm_ls_current)
local SWIVM_HAS_COLORS
if [ -z "${SWIVM_NO_COLORS-}" ] && swivm_has_colors; then
SWIVM_HAS_COLORS=1
fi
swivm_echo "${1-}" \
| command sed '1!G;h;$!d' \
| command sed '1!G;h;$!d' \
| while read -r VERSION_LINE; do
VERSION="${VERSION_LINE%% *}"
FORMAT='%15s'
if [ "_${VERSION}" = "_${SWIVM_CURRENT}" ]; then
if [ "${SWIVM_HAS_COLORS-}" = '1' ]; then
FORMAT='\033[0;32m-> %12s\033[0m'
else
FORMAT='-> %12s *'
fi
elif [ "${VERSION}" = "system" ]; then
if [ "${SWIVM_HAS_COLORS-}" = '1' ]; then
FORMAT='\033[0;33m%15s\033[0m'
else
FORMAT='%15s *'
fi
elif swivm_is_version_installed "${VERSION}"; then
if [ "${SWIVM_HAS_COLORS-}" = '1' ]; then
FORMAT='\033[0;34m%15s\033[0m'
else
FORMAT='%15s *'
fi
fi
command printf -- "${FORMAT}\\n" "${VERSION}"
done
}
swivm_validate_implicit_alias() {
case "$1" in
"stable" | "devel" )
return
;;
*)
echo "Only implicit aliases 'stable' and 'devel' are supported." >&2
return 1
;;
esac
}
swivm_print_implicit_alias() {
if [ "_$1" != "_local" ] && [ "_$1" != "_remote" ]; then
echo "swivm_print_implicit_alias must be specified with local or remote as the first argument." >&2
return 1
fi
local SWIVM_IMPLICIT
SWIVM_IMPLICIT="$2"
if ! swivm_validate_implicit_alias "$SWIVM_IMPLICIT"; then
return 2
fi
local ZHS_HAS_SHWORDSPLIT_UNSET
local SWIVM_COMMAND
local SWIVM_ADD_PREFIX_COMMAND
local LAST_TWO
SWIVM_COMMAND="swivm_ls_remote"
if [ "_$1" = "_local" ]; then
SWIVM_COMMAND="swivm_ls"
fi
ZHS_HAS_SHWORDSPLIT_UNSET=1
if swivm_has "setopt"; then
ZHS_HAS_SHWORDSPLIT_UNSET=$(setopt | command grep shwordsplit > /dev/null ; echo $?)
setopt shwordsplit
fi
LAST_TWO=$($SWIVM_COMMAND | command cut -d . -f 1,2 | uniq)
if [ "$ZHS_HAS_SHWORDSPLIT_UNSET" -eq 1 ] && swivm_has "unsetopt"; then
unsetopt shwordsplit
fi
local MINOR
local STABLE
local UNSTABLE
local MOD
ZHS_HAS_SHWORDSPLIT_UNSET=1
if swivm_has "setopt"; then
ZHS_HAS_SHWORDSPLIT_UNSET=$(setopt | command grep shwordsplit > /dev/null ; echo $?)
setopt shwordsplit
fi
for MINOR in $LAST_TWO; do
MOD="$(swivm_version_mode "$MINOR")"
# TODO
NORMALIZED_VERSION="$(swivm_normalize_version "$MINOR")"
MOD=$(expr "$NORMALIZED_VERSION" \/ 1000000 \% 2)
if [ "$MOD" -eq 0 ]; then
STABLE="$MINOR"
elif [ "$MOD" -eq 1 ]; then
UNSTABLE="$MINOR"
fi
done
if [ "$ZHS_HAS_SHWORDSPLIT_UNSET" -eq 1 ] && swivm_has "unsetopt"; then
unsetopt shwordsplit
fi
if [ "_$2" = '_stable' ]; then
echo "${STABLE}"
elif [ "_$2" = '_devel' ]; then
echo "${UNSTABLE}"
fi
}
swivm_get_os() {
local SWIVM_UNAME
SWIVM_UNAME="$(uname -a)"
local SWIVM_OS
case "$SWIVM_UNAME" in
Linux\ *) SWIVM_OS=linux ;;
Darwin\ *) SWIVM_OS=darwin ;;
SunOS\ *) SWIVM_OS=sunos ;;
FreeBSD\ *) SWIVM_OS=freebsd ;;
esac
echo "$SWIVM_OS"
}
swivm_get_arch() {
local HOST_ARCH
local SWIVM_OS
local EXIT_CODE
SWIVM_OS="$(swivm_get_os)"
# If the OS is SunOS, first try to use pkgsrc to guess
# the most appropriate arch. If it's not available, use
# isainfo to get the instruction set supported by the
# kernel.
if [ "_$SWIVM_OS" = "_sunos" ]; then
HOST_ARCH=$(pkg_info -Q MACHINE_ARCH pkg_install)
EXIT_CODE=$?
if [ $EXIT_CODE -ne 0 ]; then
HOST_ARCH=$(isainfo -n)
fi
else
HOST_ARCH="$(uname -m)"
fi
local SWIVM_ARCH
case "$HOST_ARCH" in
x86_64 | amd64) SWIVM_ARCH="x64" ;;
i*86) SWIVM_ARCH="x86" ;;
*) SWIVM_ARCH="$HOST_ARCH" ;;
esac
echo "$SWIVM_ARCH"
}
swivm_ensure_default_set() {
local VERSION
VERSION="$1"
if [ -z "$VERSION" ]; then
echo 'swivm_ensure_default_set: a version is required' >&2
return 1
fi
if swivm_alias default >/dev/null 2>&1; then
# default already set
return 0
fi
local OUTPUT
OUTPUT="$(swivm alias default "$VERSION")"
local EXIT_CODE
EXIT_CODE="$?"
echo "Creating default alias: $OUTPUT"
return $EXIT_CODE
}
swivm_get_make_jobs() {
if swivm_is_natural_num "${1-}"; then
SWIVM_MAKE_JOBS="$1"
swivm_echo "number of \`make\` jobs: ${SWIVM_MAKE_JOBS}"
return
elif [ -n "${1-}" ]; then
unset SWIVM_MAKE_JOBS
swivm_err "$1 is invalid for number of \`make\` jobs, must be a natural number"
fi
local SWIVM_OS
SWIVM_OS="$(swivm_get_os)"
local SWIVM_CPU_CORES
case "_${SWIVM_OS}" in
"_linux")
SWIVM_CPU_CORES="$(swivm_grep -c -E '^processor.+: [0-9]+' /proc/cpuinfo)"
;;
"_freebsd" | "_darwin")
SWIVM_CPU_CORES="$(sysctl -n hw.ncpu)"
;;
"_sunos")
SWIVM_CPU_CORES="$(psrinfo | wc -l)"