summaryrefslogtreecommitdiff
blob: a80bdd6357a4c370b341007f2bd886f0d8380dad (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
# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

VERIFY_SIG_OPENPGP_KEY_PATH="${BROOT}"/usr/share/openpgp-keys/chetramey.asc
inherit flag-o-matic toolchain-funcs prefix verify-sig

# Uncomment if we have a patchset
#GENTOO_PATCH_DEV="sam"
#GENTOO_PATCH_VER="${PV}"

# Official patchlevel
# See ftp://ftp.cwru.edu/pub/bash/bash-5.1-patches/
PLEVEL="${PV##*_p}"
MY_PV="${PV/_p*}"
MY_PV="${MY_PV/_/-}"
MY_P="${PN}-${MY_PV}"
MY_PATCHES=()

is_release() {
	case ${PV} in
		9999|*_alpha*|*_beta*|*_rc*)
			return 1
			;;
		*)
			return 0
			;;
	esac
}

[[ ${PV} != *_p* ]] && PLEVEL=0

# The version of readline this bash normally ships with.
# Note: right now, we don't use the system copy of readline for bash for non-releases.
READLINE_VER="8.2_p1"

DESCRIPTION="The standard GNU Bourne again shell"
HOMEPAGE="https://tiswww.case.edu/php/chet/bash/bashtop.html https://git.savannah.gnu.org/cgit/bash.git"

if [[ ${PV} == 9999 ]] ; then
	EGIT_REPO_URI="https://git.savannah.gnu.org/git/bash.git"
	EGIT_BRANCH=devel
	inherit git-r3
elif is_release ; then
	SRC_URI="mirror://gnu/bash/${MY_P}.tar.gz"
	SRC_URI+=" verify-sig? ( mirror://gnu/bash/${MY_P}.tar.gz.sig )"

	if [[ ${PLEVEL} -gt 0 ]] ; then
		# bash-5.1 -> bash51
		my_p=${PN}$(ver_rs 1-2 '' $(ver_cut 1-2))

		patch_url=
		my_patch_index=

		upstream_url_base="mirror://gnu/bash"
		mirror_url_base="ftp://ftp.cwru.edu/pub/bash"

		for ((my_patch_index=1; my_patch_index <= ${PLEVEL} ; my_patch_index++)) ; do
			printf -v mangled_patch_ver ${my_p}-%03d ${my_patch_index}
			patch_url="${upstream_url_base}/${MY_P}-patches/${mangled_patch_ver}"

			SRC_URI+=" ${patch_url}"
			SRC_URI+=" verify-sig? ( ${patch_url}.sig )"

			# Add in the mirror URL too.
			SRC_URI+=" ${patch_url/${upstream_url_base}/${mirror_url_base}}"
			SRC_URI+=" verify-sig? ( ${patch_url/${upstream_url_base}/${mirror_url_base}} )"

			MY_PATCHES+=( "${DISTDIR}"/${mangled_patch_ver} )
		done

		unset my_p patch_url my_patch_index upstream_url_base mirror_url_base
	fi
else
	SRC_URI="mirror://gnu/${PN}/${MY_P}.tar.gz ftp://ftp.cwru.edu/pub/bash/${MY_P}.tar.gz"
	SRC_URI+=" verify-sig? ( mirror://gnu/${PN}/${MY_P}.tar.gz.sig ftp://ftp.cwru.edu/pub/bash/${MY_P}.tar.gz.sig )"
fi

if [[ -n ${GENTOO_PATCH_VER} ]] ; then
	SRC_URI+=" https://dev.gentoo.org/~${GENTOO_PATCH_DEV}/distfiles/${CATEGORY}/${PN}/${PN}-${GENTOO_PATCH_VER}-patches.tar.xz"
fi

LICENSE="GPL-3+"
SLOT="0"
if is_release ; then
	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
fi
IUSE="afs bashlogger examples mem-scramble +net nls plugins pgo +readline"

DEPEND="
	>=sys-libs/ncurses-5.2-r2:=
	nls? ( virtual/libintl )
"
if is_release ; then
	DEPEND+=" readline? ( >=sys-libs/readline-${READLINE_VER}:= )"
fi
RDEPEND="
	${DEPEND}
"
# We only need bison (yacc) when the .y files get patched (bash42-005, bash51-011)
BDEPEND="
	sys-devel/bison
	pgo? ( dev-util/gperf )
	verify-sig? ( sec-keys/openpgp-keys-chetramey )
"

S="${WORKDIR}/${MY_P}"

# EAPI 8 tries to append it but it doesn't exist here
QA_CONFIGURE_OPTIONS="--disable-static"

PATCHES=(
	#"${WORKDIR}"/${PN}-${GENTOO_PATCH_VER}/

	# Patches from Chet sent to bash-bug ml
	"${FILESDIR}"/${PN}-5.0-syslog-history-extern.patch
	"${FILESDIR}"/${PN}-5.2_p15-random-ub.patch
	"${FILESDIR}"/${PN}-5.2_p15-configure-clang16.patch
	"${FILESDIR}"/${PN}-5.2_p15-shell-parser-reset-issue.patch
)

pkg_setup() {
	# bug #7332
	if is-flag -malign-double ; then
		eerror "Detected bad CFLAGS '-malign-double'.  Do not use this"
		eerror "as it breaks LFS (struct stat64) on x86."
		die "remove -malign-double from your CFLAGS mr ricer"
	fi

	if use bashlogger ; then
		ewarn "The logging patch should ONLY be used in restricted (i.e. honeypot) envs."
		ewarn "This will log ALL output you enter into the shell, you have been warned."
	fi
}

src_unpack() {
	if [[ ${PV} == 9999 ]] ; then
		git-r3_src_unpack
	else
		if use verify-sig ; then
			verify-sig_verify_detached "${DISTDIR}"/${MY_P}.tar.gz{,.sig}

			local patch
			for patch in "${MY_PATCHES[@]}" ; do
				verify-sig_verify_detached ${patch}{,.sig}
			done
		fi

		unpack ${MY_P}.tar.gz

		if [[ -n ${GENTOO_PATCH_VER} ]] ; then
			unpack ${PN}-${GENTOO_PATCH_VER}-patches.tar.xz
		fi
	fi
}

src_prepare() {
	# Include official patches
	[[ ${PLEVEL} -gt 0 ]] && eapply -p0 "${MY_PATCHES[@]}"

	# Clean out local libs so we know we use system ones w/releases.
	if is_release ; then
		rm -rf lib/{readline,termcap}/* || die
		touch lib/{readline,termcap}/Makefile.in || die # for config.status
		sed -ri -e 's:\$[{(](RL|HIST)_LIBSRC[)}]/[[:alpha:]_-]*\.h::g' Makefile.in || die
	fi

	# Prefixify hardcoded path names. No-op for non-prefix.
	hprefixify pathnames.h.in

	# Avoid regenerating docs after patches, bug #407985
	sed -i -r '/^(HS|RL)USER/s:=.*:=:' doc/Makefile.in || die
	touch -r . doc/* || die

	# Sometimes hangs (more noticeable w/ pgo), bug #907403.
	rm tests/run-jobs || die

	eapply -p0 "${PATCHES[@]}"
	eapply_user
}

src_configure() {
	# Upstream only test with Bison and require GNUisms like YYEOF and
	# YYERRCODE. The former at least may be in POSIX soon:
	# https://www.austingroupbugs.net/view.php?id=1269.
	# configure warns on use of non-Bison but doesn't abort. The result
	# may misbehave at runtime.
	unset YACC

	local myconf=(
		--disable-profiling

		# Force linking with system curses ... the bundled termcap lib
		# sucks bad compared to ncurses.  For the most part, ncurses
		# is here because readline needs it.  But bash itself calls
		# ncurses in one or two small places :(.
		--with-curses

		$(use_enable mem-scramble)
		$(use_enable net net-redirections)
		$(use_enable readline)
		$(use_enable readline bang-history)
		$(use_enable readline history)
		$(use_with afs)
		$(use_with mem-scramble bash-malloc)
	)

	# For descriptions of these, see config-top.h
	# bashrc/#26952 bash_logout/#90488 ssh/#24762 mktemp/#574426
	append-cppflags \
		-DDEFAULT_PATH_VALUE=\'\""${EPREFIX}"/usr/local/sbin:"${EPREFIX}"/usr/local/bin:"${EPREFIX}"/usr/sbin:"${EPREFIX}"/usr/bin:"${EPREFIX}"/sbin:"${EPREFIX}"/bin\"\' \
		-DSTANDARD_UTILS_PATH=\'\""${EPREFIX}"/bin:"${EPREFIX}"/usr/bin:"${EPREFIX}"/sbin:"${EPREFIX}"/usr/sbin\"\' \
		-DSYS_BASHRC=\'\""${EPREFIX}"/etc/bash/bashrc\"\' \
		-DSYS_BASH_LOGOUT=\'\""${EPREFIX}"/etc/bash/bash_logout\"\' \
		-DNON_INTERACTIVE_LOGIN_SHELLS \
		-DSSH_SOURCE_BASHRC \
		$(use bashlogger && echo -DSYSLOG_HISTORY)

	# Don't even think about building this statically without
	# reading bug #7714 first.  If you still build it statically,
	# don't come crying to us with bugs ;).
	#use static && export LDFLAGS="${LDFLAGS} -static"
	use nls || myconf+=( --disable-nls )

	if is_release ; then
		# Historically, we always used the builtin readline, but since
		# our handling of SONAME upgrades has gotten much more stable
		# in the PM (and the readline ebuild itself preserves the old
		# libs during upgrades), linking against the system copy should
		# be safe.
		# Exact cached version here doesn't really matter as long as it
		# is at least what's in the DEPEND up above.
		export ac_cv_rl_version=${READLINE_VER%%_*}

		# Use system readline only with released versions.
		myconf+=( --with-installed-readline=. )
	fi

	if use plugins ; then
		append-ldflags -Wl,-rpath,"${EPREFIX}"/usr/$(get_libdir)/bash
	else
		# Disable the plugins logic by hand since bash doesn't
		# provide a way of doing it.
		export ac_cv_func_dl{close,open,sym}=no \
			ac_cv_lib_dl_dlopen=no ac_cv_header_dlfcn_h=no

		sed -i \
			-e '/LOCAL_LDFLAGS=/s:-rdynamic::' \
			configure || die
	fi

	# bug #444070
	tc-export AR

	econf "${myconf[@]}"
}

src_compile() {
	# -fprofile-partial-training because upstream note the test suite isn't super comprehensive
	# See https://documentation.suse.com/sbp/all/html/SBP-GCC-10/index.html#sec-gcc10-pgo
	local pgo_generate_flags=$(usev pgo "-fprofile-update=atomic -fprofile-dir=${T}/pgo -fprofile-generate=${T}/pgo $(test-flags-CC -fprofile-partial-training)")
	local pgo_use_flags=$(usev pgo "-fprofile-use=${T}/pgo -fprofile-dir=${T}/pgo $(test-flags-CC -fprofile-partial-training)")

	emake CFLAGS="${CFLAGS} ${pgo_generate_flags}"
	use plugins && emake -C examples/loadables CFLAGS="${CFLAGS} ${pgo_generate_flags}" all others

	# Build Bash and run its tests to generate profiles.
	if use pgo ; then
		# Used in test suite.
		unset A

		emake CFLAGS="${CFLAGS} ${pgo_generate_flags}" -k check

		if tc-is-clang; then
			llvm-profdata merge "${T}"/pgo --output="${T}"/pgo/default.profdata || die
		fi

		# Rebuild Bash using the profiling data we just generated.
		emake clean
		emake CFLAGS="${CFLAGS} ${pgo_use_flags}"
		use plugins && emake -C examples/loadables CFLAGS="${CFLAGS} ${pgo_use_flags}" all others
	fi
}

src_test() {
	# Used in test suite.
	unset A

	default
}

src_install() {
	local d f

	default

	dodir /bin
	mv "${ED}"/usr/bin/bash "${ED}"/bin/ || die
	dosym bash /bin/rbash

	insinto /etc/bash
	doins "${FILESDIR}"/bash_logout
	doins "$(prefixify_ro "${FILESDIR}"/bashrc)"

	keepdir /etc/bash/bashrc.d

	insinto /etc/skel
	for f in bash{_logout,_profile,rc} ; do
		newins "${FILESDIR}"/dot-${f} .${f}
	done

	local sed_args=(
		-e 's:#GNU#@::'
		-e '/#@/d'
	)

	if ! use readline ; then
		# bug #432338
		sed_args+=(
			-e '/^shopt -s histappend/s:^:#:'
			-e 's:use_color=true:use_color=false:'
		)
	fi

	sed -i \
		"${sed_args[@]}" \
		"${ED}"/etc/skel/.bashrc \
		"${ED}"/etc/bash/bashrc || die

	if use plugins ; then
		exeinto /usr/$(get_libdir)/bash
		doexe $(echo examples/loadables/*.o | sed 's:\.o::g')

		insinto /usr/include/bash-plugins
		doins *.h builtins/*.h include/*.h lib/{glob/glob.h,tilde/tilde.h}
	fi

	if use examples ; then
		for d in examples/{functions,misc,scripts,startup-files} ; do
			exeinto /usr/share/doc/${PF}/${d}
			docinto ${d}
			for f in ${d}/* ; do
				if [[ ${f##*/} != PERMISSION ]] && [[ ${f##*/} != *README ]] ; then
					doexe ${f}
				else
					dodoc ${f}
				fi
			done
		done
	fi

	# Install bash_builtins.1 and rbash.1
	emake -C doc DESTDIR="${D}" install_builtins
	sed 's:bash\.1:man1/&:' doc/rbash.1 > "${T}"/rbash.1 || die
	doman "${T}"/rbash.1

	newdoc CWRU/changelog ChangeLog
	dosym bash.info /usr/share/info/bashref.info
}

pkg_preinst() {
	if [[ -e ${EROOT}/etc/bashrc ]] && [[ ! -d ${EROOT}/etc/bash ]] ; then
		mkdir -p "${EROOT}"/etc/bash
		mv -f "${EROOT}"/etc/bashrc "${EROOT}"/etc/bash/
	fi
}

pkg_postinst() {
	# If /bin/sh does not exist, provide it
	if [[ ! -e ${EROOT}/bin/sh ]] ; then
		ln -sf bash "${EROOT}"/bin/sh
	fi
}