summaryrefslogtreecommitdiff
path: root/eclass/subversion.eclass
blob: 7a787a438ad077798ee3f0c54db529b229fd0624 (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
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
# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

# @ECLASS: subversion.eclass
# @MAINTAINER:
# Akinori Hattori <hattya@gentoo.org>
# @AUTHOR:
# Original Author: Akinori Hattori <hattya@gentoo.org>
# @SUPPORTED_EAPIS: 7 8
# @BLURB: Fetch software sources from subversion repositories
# @DESCRIPTION:
# The subversion eclass provides functions to fetch software sources
# from subversion repositories.

case ${EAPI} in
	7|8) inherit estack ;;
	*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
esac

if [[ -z ${_SUBVERSION_ECLASS} ]]; then
_SUBVERSION_ECLASS=1

PROPERTIES+=" live"

BDEPEND="
	dev-vcs/subversion[http(+)]
	net-misc/rsync"

# @ECLASS_VARIABLE: ESVN_STORE_DIR
# @USER_VARIABLE
# @DESCRIPTION:
# subversion sources store directory. Users may override this in /etc/portage/make.conf
[[ -z ${ESVN_STORE_DIR} ]] && ESVN_STORE_DIR="${PORTAGE_ACTUAL_DISTDIR:-${DISTDIR}}/svn-src"

# @ECLASS_VARIABLE: ESVN_FETCH_CMD
# @DESCRIPTION:
# subversion checkout command
ESVN_FETCH_CMD="svn checkout"

# @ECLASS_VARIABLE: ESVN_UPDATE_CMD
# @DESCRIPTION:
# subversion update command
ESVN_UPDATE_CMD="svn update"

# @ECLASS_VARIABLE: ESVN_SWITCH_CMD
# @DESCRIPTION:
# subversion switch command
ESVN_SWITCH_CMD="svn switch"

# @ECLASS_VARIABLE: ESVN_OPTIONS
# @DESCRIPTION:
# the options passed to checkout or update. If you want a specific revision see
# ESVN_REPO_URI instead of using -rREV.
ESVN_OPTIONS="${ESVN_OPTIONS:-}"

# @ECLASS_VARIABLE: ESVN_REPO_URI
# @DESCRIPTION:
# repository uri
#
# e.g. http://example.org/trunk, svn://example.org/branch/foo@1234
#
# supported URI schemes:
#   http://
#   https://
#   svn://
#   svn+ssh://
#   file://
#
# to peg to a specific revision, append @REV to the repo's uri
ESVN_REPO_URI="${ESVN_REPO_URI:-}"

# @ECLASS_VARIABLE: ESVN_REVISION
# @DESCRIPTION:
# User configurable revision checkout or update to from the repository
#
# Useful for live svn or trunk svn ebuilds allowing the user to peg
# to a specific revision
#
# Note: This should never be set in an ebuild!
ESVN_REVISION="${ESVN_REVISION:-}"

# @ECLASS_VARIABLE: ESVN_USER
# @DESCRIPTION:
# User name
ESVN_USER="${ESVN_USER:-}"

# @ECLASS_VARIABLE: ESVN_PASSWORD
# @DESCRIPTION:
# Password
ESVN_PASSWORD="${ESVN_PASSWORD:-}"

# @ECLASS_VARIABLE: ESVN_PROJECT
# @DESCRIPTION:
# project name of your ebuild (= name space)
#
# subversion eclass will check out the subversion repository like:
#
#   ${ESVN_STORE_DIR}/${ESVN_PROJECT}/${ESVN_REPO_URI##*/}
#
# so if you define ESVN_REPO_URI as http://svn.collab.net/repo/svn/trunk or
# http://svn.collab.net/repo/svn/trunk/. and PN is subversion-svn.
# it will check out like:
#
#   ${ESVN_STORE_DIR}/subversion/trunk
#
# this is not used in order to declare the name of the upstream project.
# so that you can declare this like:
#
#   # jakarta commons-loggin
#   ESVN_PROJECT=commons/logging
#
# default: ${PN/-svn}.
ESVN_PROJECT="${ESVN_PROJECT:-${PN/-svn}}"

# @ECLASS_VARIABLE: ESVN_RESTRICT
# @DESCRIPTION:
# this should be a space delimited list of subversion eclass features to
# restrict.
#   export)
#     don't export the working copy to S.
ESVN_RESTRICT="${ESVN_RESTRICT:-}"

# @ECLASS_VARIABLE: ESVN_OFFLINE
# @USER_VARIABLE
# @DEFAULT_UNSET
# @DESCRIPTION:
# Set this variable to a non-empty value to disable the automatic updating of
# an svn source tree. This is intended to be set outside the subversion source
# tree by users.
ESVN_OFFLINE="${ESVN_OFFLINE:-${EVCS_OFFLINE}}"

# @ECLASS_VARIABLE: ESVN_UMASK
# @USER_VARIABLE
# @DESCRIPTION:
# Set this variable to a custom umask. This is intended to be set by users.
# By setting this to something like 002, it can make life easier for people
# who do development as non-root (but are in the portage group), and then
# switch over to building with FEATURES=userpriv.  Or vice-versa.  Shouldn't
# be a security issue here as anyone who has portage group write access
# already can screw the system over in more creative ways.
ESVN_UMASK="${ESVN_UMASK:-${EVCS_UMASK}}"

# @ECLASS_VARIABLE: ESVN_UP_FREQ
# @USER_VARIABLE
# @DESCRIPTION:
# Set the minimum number of hours between svn up'ing in any given svn module. This is particularly
# useful for split KDE ebuilds where we want to ensure that all submodules are compiled for the same
# revision. It should also be kept user overridable.
ESVN_UP_FREQ="${ESVN_UP_FREQ:=}"

# @ECLASS_VARIABLE: ESCM_LOGDIR
# @USER_VARIABLE
# @DESCRIPTION:
# User configuration variable. If set to a path such as e.g. /var/log/scm any
# package inheriting from subversion.eclass will record svn revision to
# ${CATEGORY}/${PN}.log in that path in pkg_preinst. This is not supposed to be
# set by ebuilds/eclasses. It defaults to empty so users need to opt in.
ESCM_LOGDIR="${ESCM_LOGDIR:=}"

# @FUNCTION: subversion_fetch
# @USAGE: [repo_uri] [destination]
# @DESCRIPTION:
# Wrapper function to fetch sources from subversion via svn checkout or svn update,
# depending on whether there is an existing working copy in ${ESVN_STORE_DIR}.
#
# Can take two optional parameters:
#   repo_uri    - a repository URI. default is ESVN_REPO_URI.
#   destination - a check out path in S.
subversion_fetch() {
	local repo_uri="$(subversion__get_repository_uri "${1:-${ESVN_REPO_URI}}")"
	local revision="$(subversion__get_peg_revision "${1:-${ESVN_REPO_URI}}")"
	local S_dest="${2}"

	if [[ -z ${repo_uri} ]]; then
		die "${ECLASS}: ESVN_REPO_URI (or specified URI) is empty."
	fi

	[[ -n ${ESVN_REVISION} ]] && revision="${ESVN_REVISION}"

	# check for the scheme
	local scheme="${repo_uri%%:*}"
	case "${scheme}" in
		http|https)
			;;
		svn|svn+ssh)
			;;
		file)
			;;
		*)
			die "${ECLASS}: fetch from '${scheme}' is not yet implemented."
			;;
	esac

	addread "/etc/subversion"
	addwrite "${ESVN_STORE_DIR}"

	if [[ -n ${ESVN_UMASK} ]]; then
		eumask_push "${ESVN_UMASK}"
	fi

	if [[ ! -d ${ESVN_STORE_DIR} ]]; then
		debug-print "${FUNCNAME}: initial checkout. creating subversion directory"
		mkdir -m 775 -p "${ESVN_STORE_DIR}" || die "${ECLASS}: can't mkdir ${ESVN_STORE_DIR}."
	fi

	pushd "${ESVN_STORE_DIR}" >/dev/null || die "${ECLASS}: can't chdir to ${ESVN_STORE_DIR}"

	local wc_path="$(subversion__get_wc_path "${repo_uri}")"
	local options="${ESVN_OPTIONS} --config-dir ${ESVN_STORE_DIR}/.subversion"

	[[ -n ${revision} ]] && options="${options} -r ${revision}"

	if [[ ${ESVN_OPTIONS} == *-r* ]]; then
		ewarn "\${ESVN_OPTIONS} contains -r, this usage is unsupported. Please"
		ewarn "see \${ESVN_REPO_URI}"
	fi

	if has_version ">=dev-vcs/subversion-1.6.0"; then
		options="${options} --config-option=config:auth:password-stores="
	fi

	debug-print "${FUNCNAME}: wc_path = \"${wc_path}\""
	debug-print "${FUNCNAME}: ESVN_OPTIONS = \"${ESVN_OPTIONS}\""
	debug-print "${FUNCNAME}: options = \"${options}\""

	if [[ ! -d ${wc_path}/.svn ]]; then
		if [[ -n ${ESVN_OFFLINE} ]]; then
			ewarn "ESVN_OFFLINE cannot be used when there is no existing checkout."
		fi
		# first check out
		einfo "subversion check out start -->"
		einfo "     repository: ${repo_uri}${revision:+@}${revision}"

		debug-print "${FUNCNAME}: ${ESVN_FETCH_CMD} ${options} ${repo_uri}"

		mkdir -m 775 -p "${ESVN_PROJECT}" || die "${ECLASS}: can't mkdir ${ESVN_PROJECT}."
		cd "${ESVN_PROJECT}" || die "${ECLASS}: can't chdir to ${ESVN_PROJECT}"
		if [[ -n ${ESVN_USER} ]]; then
			${ESVN_FETCH_CMD} ${options} --username "${ESVN_USER}" --password "${ESVN_PASSWORD}" "${repo_uri}" || die "${ECLASS}: can't fetch to ${wc_path} from ${repo_uri}."
		else
			${ESVN_FETCH_CMD} ${options} "${repo_uri}" || die "${ECLASS}: can't fetch to ${wc_path} from ${repo_uri}."
		fi

	elif [[ -n ${ESVN_OFFLINE} ]]; then
		svn upgrade "${wc_path}" &>/dev/null
		svn cleanup "${wc_path}" &>/dev/null
		subversion_wc_info "${repo_uri}" || die "${ECLASS}: unknown problem occurred while accessing working copy."

		if [[ -n ${ESVN_REVISION} && ${ESVN_REVISION} != ${ESVN_WC_REVISION} ]]; then
			die "${ECLASS}: You requested off-line updating and revision ${ESVN_REVISION} but only revision ${ESVN_WC_REVISION} is available locally."
		fi
		einfo "Fetching disabled: Using existing repository copy at revision ${ESVN_WC_REVISION}."
	else
		svn upgrade "${wc_path}" &>/dev/null
		svn cleanup "${wc_path}" &>/dev/null
		subversion_wc_info "${repo_uri}" || die "${ECLASS}: unknown problem occurred while accessing working copy."

		local esvn_up_freq=
		if [[ -n ${ESVN_UP_FREQ} ]]; then
			if [[ -n ${ESVN_UP_FREQ//[[:digit:]]} ]]; then
				die "${ECLASS}: ESVN_UP_FREQ must be an integer value corresponding to the minimum number of hours between svn up."
			elif [[ -z $(find "${wc_path}/.svn/entries" -mmin "+$((ESVN_UP_FREQ*60))") ]]; then
				einfo "Fetching disabled since ${ESVN_UP_FREQ} hours has not passed since last update."
				einfo "Using existing repository copy at revision ${ESVN_WC_REVISION}."
				esvn_up_freq=no_update
			fi
		fi

		if [[ -z ${esvn_up_freq} ]]; then
			if [[ ${ESVN_WC_UUID} != $(subversion__svn_info "${repo_uri}" "Repository UUID") ]]; then
				# UUID mismatch. Delete working copy and check out it again.
				einfo "subversion recheck out start -->"
				einfo "     old UUID: ${ESVN_WC_UUID}"
				einfo "     new UUID: $(subversion__svn_info "${repo_uri}" "Repository UUID")"
				einfo "     repository: ${repo_uri}${revision:+@}${revision}"

				rm -rf "${ESVN_PROJECT}" || die

				debug-print "${FUNCNAME}: ${ESVN_FETCH_CMD} ${options} ${repo_uri}"

				mkdir -m 775 -p "${ESVN_PROJECT}" || die "${ECLASS}: can't mkdir ${ESVN_PROJECT}."
				cd "${ESVN_PROJECT}" || die "${ECLASS}: can't chdir to ${ESVN_PROJECT}"
				if [[ -n ${ESVN_USER} ]]; then
					${ESVN_FETCH_CMD} ${options} --username "${ESVN_USER}" --password "${ESVN_PASSWORD}" "${repo_uri}" || die "${ECLASS}: can't fetch to ${wc_path} from ${repo_uri}."
				else
					${ESVN_FETCH_CMD} ${options} "${repo_uri}" || die "${ECLASS}: can't fetch to ${wc_path} from ${repo_uri}."
				fi
			elif [[ ${ESVN_WC_URL} != $(subversion__get_repository_uri "${repo_uri}") ]]; then
				einfo "subversion switch start -->"
				einfo "     old repository: ${ESVN_WC_URL}@${ESVN_WC_REVISION}"
				einfo "     new repository: ${repo_uri}${revision:+@}${revision}"

				debug-print "${FUNCNAME}: ${ESVN_SWITCH_CMD} ${options} ${repo_uri}"

				cd "${wc_path}" || die "${ECLASS}: can't chdir to ${wc_path}"
				if [[ -n ${ESVN_USER} ]]; then
					${ESVN_SWITCH_CMD} ${options} --username "${ESVN_USER}" --password "${ESVN_PASSWORD}" ${repo_uri} || die "${ECLASS}: can't update ${wc_path} from ${repo_uri}."
				else
					${ESVN_SWITCH_CMD} ${options} ${repo_uri} || die "${ECLASS}: can't update ${wc_path} from ${repo_uri}."
				fi
			else
				# update working copy
				einfo "subversion update start -->"
				einfo "     repository: ${repo_uri}${revision:+@}${revision}"

				debug-print "${FUNCNAME}: ${ESVN_UPDATE_CMD} ${options}"

				cd "${wc_path}" || die "${ECLASS}: can't chdir to ${wc_path}"
				if [[ -n ${ESVN_USER} ]]; then
					${ESVN_UPDATE_CMD} ${options} --username "${ESVN_USER}" --password "${ESVN_PASSWORD}" || die "${ECLASS}: can't update ${wc_path} from ${repo_uri}."
				else
					${ESVN_UPDATE_CMD} ${options} || die "${ECLASS}: can't update ${wc_path} from ${repo_uri}."
				fi
			fi

			# export updated information for the working copy
			subversion_wc_info "${repo_uri}" || die "${ECLASS}: unknown problem occurred while accessing working copy."
		fi
	fi

	if [[ -n ${ESVN_UMASK} ]]; then
		eumask_pop
	fi

	einfo "   working copy: ${wc_path}"

	if ! has "export" ${ESVN_RESTRICT}; then
		cd "${wc_path}" || die "${ECLASS}: can't chdir to ${wc_path}"

		local S="${S}/${S_dest}"
		mkdir -p "${S}"

		# export to the ${WORKDIR}
		#*  "svn export" has a bug.  see https://bugs.gentoo.org/119236
		#* svn export . "${S}" || die "${ECLASS}: can't export to ${S}."
		rsync -rlpgo --exclude=".svn/" . "${S}" || die "${ECLASS}: can't export to ${S}."
	fi

	popd >/dev/null
	echo
}

# @FUNCTION: subversion_wc_info
# @USAGE: [repo_uri]
# @RETURN: ESVN_WC_URL, ESVN_WC_ROOT, ESVN_WC_UUID, ESVN_WC_REVISION and ESVN_WC_PATH
# @DESCRIPTION:
# Get svn info for the specified repo_uri. The default repo_uri is ESVN_REPO_URI.
#
# The working copy information on the specified repository URI are set to
# ESVN_WC_* variables.
subversion_wc_info() {
	local repo_uri="$(subversion__get_repository_uri "${1:-${ESVN_REPO_URI}}")"
	local wc_path="$(subversion__get_wc_path "${repo_uri}")"

	debug-print "${FUNCNAME}: repo_uri = ${repo_uri}"
	debug-print "${FUNCNAME}: wc_path = ${wc_path}"

	if [[ ! -d ${wc_path} ]]; then
		return 1
	fi

	export ESVN_WC_URL="$(subversion__svn_info "${wc_path}" "URL")"
	export ESVN_WC_ROOT="$(subversion__svn_info "${wc_path}" "Repository Root")"
	export ESVN_WC_UUID="$(subversion__svn_info "${wc_path}" "Repository UUID")"
	export ESVN_WC_REVISION="$(subversion__svn_info "${wc_path}" "Revision")"
	export ESVN_WC_PATH="${wc_path}"
}

# @FUNCTION: subversion_src_unpack
# @DESCRIPTION:
# Default src_unpack. Fetch.
subversion_src_unpack() {
	subversion_fetch || die "${ECLASS}: unknown problem occurred in subversion_fetch."
}

# @FUNCTION: subversion_pkg_preinst
# @USAGE: [repo_uri]
# @DESCRIPTION:
# Log the svn revision of source code. Doing this in pkg_preinst because we
# want the logs to stick around if packages are uninstalled without messing with
# config protection.
subversion_pkg_preinst() {
	local pkgdate=$(date "+%Y%m%d %H:%M:%S")
	if [[ -n ${ESCM_LOGDIR} ]]; then
		local dir="${EROOT}${ESCM_LOGDIR}/${CATEGORY}"
		if [[ ! -d ${dir} ]]; then
			mkdir -p "${dir}" || eerror "Failed to create '${dir}' for logging svn revision"
		fi
		local logmessage="svn: ${pkgdate} - ${PF}:${SLOT} was merged at revision ${ESVN_WC_REVISION}"
		if [[ -d ${dir} ]]; then
			echo "${logmessage}" >>"${dir}/${PN}.log"
		else
			eerror "Could not log the message '${logmessage}' to '${dir}/${PN}.log'"
		fi
	fi
}

## -- Private Functions

# @FUNCTION: subversion__svn_info
# @USAGE: <target> <key name>
# @INTERNAL
subversion__svn_info() {
	local target="${1}"
	local key="${2}"

	env LC_ALL=C svn info ${options} --username "${ESVN_USER}" --password "${ESVN_PASSWORD}" "${target}" \
		| grep -i "^${key}" \
		| cut -d" " -f2-
}

# @FUNCTION: subversion__get_repository_uri
# @USAGE: <repository URI>
# @INTERNAL
subversion__get_repository_uri() {
	local repo_uri="${1}"

	debug-print "${FUNCNAME}: repo_uri = ${repo_uri}"
	if [[ -z ${repo_uri} ]]; then
		die "${ECLASS}: ESVN_REPO_URI (or specified URI) is empty."
	fi
	# delete trailing slash
	if [[ -z ${repo_uri##*/} ]]; then
		repo_uri="${repo_uri%/}"
	fi
	repo_uri="${repo_uri%@*}"

	echo "${repo_uri}"
}

# @FUNCTION: subversion__get_wc_path
# @USAGE: <repository URI>
# @INTERNAL
subversion__get_wc_path() {
	local repo_uri="$(subversion__get_repository_uri "${1}")"

	debug-print "${FUNCNAME}: repo_uri = ${repo_uri}"

	echo "${ESVN_STORE_DIR}/${ESVN_PROJECT}/${repo_uri##*/}"
}

# @FUNCTION: subversion__get_peg_revision
# @USAGE: <repository URI>
# @INTERNAL
subversion__get_peg_revision() {
	local repo_uri="${1}"
	local peg_rev=

	debug-print "${FUNCNAME}: repo_uri = ${repo_uri}"
	# repo_uri has peg revision?
	if [[ ${repo_uri} == *@* ]]; then
		peg_rev="${repo_uri##*@}"
		debug-print "${FUNCNAME}: peg_rev = ${peg_rev}"
	else
		debug-print "${FUNCNAME}: repo_uri does not have a peg revision."
	fi

	echo "${peg_rev}"
}

fi

EXPORT_FUNCTIONS src_unpack pkg_preinst