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
|
#
# Copyright (c) 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 Lucía Andrea Illanes Albornoz <lucia@luciaillanes.de>
# set +o errexit -o noglob -o nounset is assumed.
#
exp_setrstatus() {
local _epsrs_rstatus="${1#\$}" _epsrs_status="${2}";
eval ${_epsrs_rstatus}=\"${_epsrs_status}\";
return 0;
};
#
# ex_init_env() - initialise build environment
# @_rstatus: reference to out variable of status string on failure
# @_rhname: reference to out variable of build hostname
# @_ruser: reference to out variable of build user
# @_name_base: base name for messages and theme file(s)
#
# Return: zero (0) on success, non-zero (>0) on failure
#
ex_init_env() {
local _eie_rstatus="${1#\$}" _eie_rhname="${2#\$}" _eie_ruser="${3#\$}" \
_eie_name_base="${4}" \
_eie_fname="" _eie_lang="${LANG:-C}" _eie_lang_="" _eie_name="" \
_eie_rc=0;
_eie_lang="${_eie_lang%%_*}";
if ! cd "${0%/*}"; then
_eie_rc=1;
exp_setrstatus "${_eie_rstatus}" 'failed to change working directory to \`'"${0%/*}"''\''.';
elif ! umask 022; then
_eie_rc=1;
exp_setrstatus "${_eie_rstatus}" 'failed to set umask(2).';
elif ! eval ${_eie_rhname}=\"\$\(hostname\)\"; then
_eie_rc=1;
exp_setrstatus "${_eie_rstatus}" 'failed to obtain hostname.';
elif ! eval ${_eie_ruser}=\"\$\(id -nu\)\"; then
_eie_rc=1;
exp_setrstatus "${_eie_rstatus}" 'failed to obtain username.';
else
for _eie_fname in \
$(find subr.ex -name *.subr) \
$(find subr.pkg -name *.subr) \
$(find subr.rtl -name *.subr) \
"etc/${_eie_name_base}.theme" \
;
do
if ! . "${_eie_fname}"; then
_eie_rc=1;
exp_setrstatus "${_eie_rstatus}" 'failed to source \`'"${_eie_fname}"''\''.';
break;
fi;
done;
if [ "${_eie_rc}" -eq 0 ]; then
if [ -e "${_eie_name_base}.local" ]; then
if ! . "${_eie_name_base}.local"; then
_eie_rc=1;
exp_setrstatus "${_eie_rstatus}" 'failed to source \`'"${_eie_name_base}"'.local'\''.';
fi;
fi;
fi;
if [ "${_eie_rc}" -eq 0 ]; then
for _eie_name in ${_eie_name_base} rtl; do
for _eie_lang_ in ${_eie_lang} C; do
_eie_fname="etc/${_eie_name}.msgs.${_eie_lang_}";
if [ -e "${_eie_fname}" ]; then
if ! . "${_eie_fname}"; then
_eie_rc=1;
exp_setrstatus "${_eie_rstatus}" 'failed to source \`'"${_eie_fname}"''\''.';
break;
fi;
if [ -e "${_eie_fname}.local" ]; then
if ! . "${_eie_fname}.local"; then
_eie_rc=1;
exp_setrstatus "${_eie_rstatus}" 'failed to source \`'"${_eie_fname}"'.local'\''.';
fi;
fi;
break;
fi;
done;
if [ "${_eie_rc}" -ne 0 ]; then
break;
fi;
done;
fi;
fi;
export LANG=C LC_ALL=C;
return "${_eie_rc}";
};
#
# ex_init_getopts() - process command-line arguments
# @_rstatus: reference to out variable of status string on failure
# @_fn: reference to function called to process command-line argument
# @_optstring: getopts(1) optstring
# @...: command-line arguments as "${@}"
#
# Return: zero (0) on success, non-zero (>0) on failure
#
ex_init_getopts() {
local _eig_rstatus="${1#\$}" _eig_fn="${2}" _eig_optstring="${3}" \
_eig_arg="" _eig_fn_rc=0 _eig_opt="" _eig_shiftfl=0 \
OPTARG="" OPTIND=0;
shift 3;
if ! "${_eig_fn}" init "${_eig_rstatus}"; then
return 1;
fi;
while [ "${#}" -gt 0 ]; do
case "${1}" in
--*)
"${_eig_fn}" longopt "${_eig_rstatus}" "${1}";
_eig_fn_rc="${?}";
case "${_eig_fn_rc}" in
0) ;;
1) return 1; ;;
*) shift "$((${_eig_fn_rc} - 1))";
continue; ;;
esac;
;;
esac;
OPTIND=0;
if getopts "${_eig_optstring}" _eig_opt; then
"${_eig_fn}" opt "${_eig_rstatus}" "${_eig_opt}" "${OPTARG:-}" "${@}";
_eig_fn_rc="${?}";
case "${_eig_fn_rc}" in
0) ;;
1) return 1; ;;
*) shift "$((${_eig_fn_rc} - 1))";
continue; ;;
esac;
else
"${_eig_fn}" nonopt "${_eig_rstatus}" "${@}";
_eig_fn_rc="${?}";
case "${_eig_fn_rc}" in
0) ;;
1) return 1; ;;
*) shift "$((${_eig_fn_rc} - 1))";
continue; ;;
esac;
fi;
done;
if ! "${_eig_fn}" done "${_eig_rstatus}"; then
return 1;
fi;
return 0;
};
#
# ex_init_help() - display usage screen and exit if requested in command-line arguments
# @_rstatus: reference to out variable of status string on failure
# @_args_long: optional list of long (prefixed with `--') arguments
# @_name_base: base name for usage screen file
# @_optstring: getopts(1) optstring
#
# Return: zero (0) on success, non-zero (>0) on failure
#
ex_init_help() {
local _eih_rstatus="${1#\$}" _eih_args_long="${2}" \
_eih_name_base="${3}" _eih_optstring="${4}" \
_eih_arg_long="" _eih_opt="" _eih_shiftfl=0 \
OPTIND;
shift 4;
while [ "${#}" -gt 0 ]; do
case "${1}" in
-h)
if [ -t 1 ]; then
cat "etc/${_eih_name_base}.usage.short";
else
sed 's/\[[0-9]\+m//g' "etc/${_eih_name_base}.usage.short";
fi;
exit 0;
;;
--help)
if [ -t 1 ]; then
cat "etc/${_eih_name_base}.usage";
else
sed 's/\[[0-9]\+m//g' "etc/${_eih_name_base}.usage";
fi;
exit 0;
;;
*=*) shift; continue;
;;
*) _eih_shiftfl=0;
for _eih_arg_long in ${_eih_args_long}; do
if [ "${_eih_arg_long}" = "${1}" ]; then
_eih_shiftfl=1;
fi;
done;
if [ "${_eih_shiftfl}" = 1 ]; then
shift; continue;
fi;
;;
esac;
OPTIND=0;
if getopts "${_eih_optstring}" _eih_opt 2>/dev/null; then
case "${_eih_opt}" in
h)
if [ -t 1 ]; then
cat "etc/${_eih_name_base}.usage.short";
else
sed 's/\[[0-9]\+m//g' "etc/${_eih_name_base}.usage.short";
fi;
exit 0;
;;
esac;
shift $((${OPTIND}-1)); OPTIND=1;
else
shift;
fi;
done;
return 0;
};
#
# ex_init_files() - initialise build files
# @_rstatus: reference to out variable of status string on failure
# @_rclean_builds: reference to in variable of -C argument value
# @_rdist: reference to in variable of -D argument value
# @_build_log_fname: absolute pathname to build log file
# @_build_log_last_fname: absolute pathname to last build log file
# @_build_status_in_progress_fname: absolute pathname to build-in-progress status file
# @_check_path_vars: list of pathname variables to check
# @_clear_env_vars_except: list of environment variables to not unset when clearing the environment
# @_clear_prefix_paths: list of directory pathnames to clear in the top-level prefix
# @_dlcachedir: absolute pathname to download cache directory
# @_prefix: absolute pathname to top-level prefix
# @_prefix_rpm: absolute pathname to RPM files prefix
# @_workdir: absolute pathname to build-specific temporary directory
#
# Return: zero (0) on success, non-zero (>0) on failure
#
ex_init_files() {
local _eif_rstatus="${1#\$}" _eif_rclean_builds="${2#\$}" _eif_rdist="${3#\$}" \
_eif_build_log_fname="${4}" _eif_build_log_last_fname="${5}" \
_eif_build_status_in_progress_fname="${6}" _eif_check_path_vars="${7}" \
_eif_clear_env_vars_except="${8}" _eif_clear_prefix_paths="${9}" \
_eif_dlcachedir="${10}" _eif_prefix="${11}" _eif_prefix_rpm="${12}" \
_eif_workdir="${13}" \
_eif_log_last_fname="" _eif_log_last_num=1 _eif_rc=0;
if ! rtl_fileop mkdir "${_eif_dlcachedir}" "${_eif_workdir}"\
|| rtl_lmatch "${_eif_rdist}" "rpm" ","\
&& ! rtl_fileop mkdir "${_eif_prefix_rpm}"; then
_eif_rc=1;
rtl_setrstatus "${_eif_rstatus}" 'cannot create build directories.';
elif [ -e "${_eif_build_status_in_progress_fname}" ]; then
_eif_rc=1;
rtl_setrstatus "${_eif_rstatus}" 'another build targeting this architecture and build type is currently in progress.';
elif ! rtl_clean_env "${_eif_clear_env_vars_except}"; then
_eif_rc=1;
rtl_setrstatus "${_eif_rstatus}" 'failed to clean environment.';
elif ! rtl_check_path_vars "${_eif_rstatus}" "${_eif_check_path_vars}"; then
_eif_rc=1;
else
export TMP="${_eif_workdir}" TMPDIR="${_eif_workdir}";
touch "${_eif_build_status_in_progress_fname}";
if [ -e "${_eif_build_log_fname}" ]; then
while [ -e "${_eif_build_log_fname}.${_eif_log_last_num}" ]; do
: $((_eif_log_last_num+=1));
done;
_eif_log_last_fname="${_eif_build_log_fname}.${_eif_log_last_num}";
rtl_fileop mv "${_eif_build_log_fname}" "${_eif_log_last_fname}";
rtl_fileop ln_symbolic "${_eif_log_last_fname}" "${_eif_build_log_last_fname}";
fi;
rtl_fileop touch "${_eif_build_log_fname}"; rtl_log_set_fname "${_eif_build_log_fname}";
if rtl_lmatch "${_eif_rclean_builds}" $"prefix" ","; then
trap "rm -f \"${_eif_build_status_in_progress_fname}\" 2>/dev/null;
rtl_log_msg \"fatalexit\" \"${MSG_build_aborted}\"" HUP INT TERM USR1 USR2;
rtl_log_msg "info" "${MSG_build_clean_prefix}";
for _eif_pname in ${_eif_clear_prefix_paths}; do
if ! rtl_fileop rm "${_eif_prefix}/${_eif_pname}"; then
_eif_rc=1;
rtl_setrstatus "${_eif_rstatus}" 'failed to remove \`'"${_eif_prefix:+${_eif_prefix}/}${_eif_pname}'"'.';
break;
fi;
done;
trap - HUP INT TERM USR1 USR2;
fi;
export PATH="${_eif_prefix}/bin${PATH:+:${PATH}}";
fi;
return "${_eif_rc}";
};
#
# ex_init_logging() - initialise build logging
# @_rstatus: reference to out variable of status string on failure
# @_rverbose_tags: reference to inout variable of -V argument value
# @_verbose: -[vV] argument value
#
# Return: zero (0) on success, non-zero (>0) on failure
#
ex_init_logging() {
local _eil_rstatus="${1#\$}" _eil_rverbose_tags="${2#\$}" _eil_verbose="${3}" \
_eil_tag="" _eil_tags="" _eil_tags_enable="" _eil_rc=0;
rtl_log_clear_tags;
case "${_eil_verbose}" in
0) if eval [ \"\${#${_eil_rverbose_tags}}\" -eq 0 ]; then
rtl_log_enable_tags "${LOG_TAGS_normal}";
fi;
;;
1) rtl_log_enable_tags "${LOG_TAGS_verbose}"; ;;
*) _eil_rc=1;
rtl_setrstatus "${_eil_rstatus}" 'invalid verbosity level (max. -v)';
;;
esac;
if [ "${_eil_rc}" -eq 0 ]; then
eval _eil_tags="\${${_eil_rverbose_tags}}";
case "${_eil_tags}" in
+*) rtl_log_enable_tags "${LOG_TAGS_normal}";
eval ${_eil_rverbose_tags}="\${${_eil_rverbose_tags}#+}";
;;
*) ;;
esac;
rtl_llift2 "${_eil_rverbose_tags}" \$_eil_tags "," " ";
for _eil_tag in ${_eil_tags}; do
case "${_eil_tag}" in
all) rtl_log_enable_tags "${LOG_TAGS_all}"; ;;
clear|none) rtl_log_clear_tags; ;;
normal) rtl_log_enable_tags "${LOG_TAGS_normal}"; ;;
verbose) rtl_log_enable_tags "${LOG_TAGS_verbose}"; ;;
*) rtl_lsearch_patternl2 \$LOG_TAGS_all \$_eil_tags_enable "${_eil_tag}" ",";
if [ "${#_eil_tags_enable}" -gt 0 ]; then
rtl_log_enable_tags "${_eil_tags_enable}";
else
_eil_rc=1;
rtl_setrstatus "${_eil_rstatus}" 'invalid log tag or tag pattern \`'"${_eil_tag}"''\''.';
break;
fi;
;;
esac;
done;
fi;
return "${_eil_rc}";
};
#
# ex_init_prereqs() - initialise build prerequisite commands
# @_rstatus: reference to out variable of status string on failure
# @_prereqs: list of prerequisite commands
#
# Return: zero (0) on success, non-zero (>0) on failure
#
ex_init_prereqs() {
local _eip_rstatus="${1#\$}" _eip_prereqs="${2}" \
_eip_rc=0;
if ! rtl_check_prereqs "${_eip_rstatus}" ${_eip_prereqs}; then
_eip_rc=1;
elif ! awk -V 2>/dev/null | grep -q "^GNU Awk "; then
_eip_rc=1;
rtl_setrstatus "${_eip_rstatus}" 'awk(1) in \$PATH must be GNU Awk.';
elif ! (FNAME="$(mktemp)" && { trap "rm -f \"\${FNAME}\"" EXIT; \
sed -i'' -e '' "${FNAME}" >/dev/null 2>&1; });
then
_eip_rc=1;
rtl_setrstatus "${_eip_rstatus}" 'sed(1) in \${PATH} does not support the \`-i'\'' option.';
fi;
return "${_eip_rc}";
};
# vim:filetype=sh textwidth=0
|