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Revision 1.18 - (show annotations) (download)
Tue Oct 30 21:56:31 2012 UTC (2 years, 1 month ago) by mgorny
Branch: MAIN
Changes since 1.17: +12 -1 lines
Add systemd_with_utildir() as well.

1 # Copyright 1999-2012 Gentoo Foundation
2 # Distributed under the terms of the GNU General Public License v2
3 # $Header: /var/cvsroot/gentoo-x86/eclass/systemd.eclass,v 1.17 2012/10/30 21:29:32 mgorny Exp $
4
5 # @ECLASS: systemd.eclass
6 # @MAINTAINER:
7 # mgorny@gentoo.org
8 # @BLURB: helper functions to install systemd units
9 # @DESCRIPTION:
10 # This eclass provides a set of functions to install unit files for
11 # sys-apps/systemd within ebuilds.
12 # @EXAMPLE:
13 #
14 # @CODE
15 # inherit autotools-utils systemd
16 #
17 # src_configure() {
18 # local myeconfargs=(
19 # --enable-foo
20 # --disable-bar
21 # )
22 #
23 # systemd_to_myeconfargs
24 # autotools-utils_src_configure
25 # }
26 # @CODE
27
28 case ${EAPI:-0} in
29 0|1|2|3|4|5) ;;
30 *) die "${ECLASS}.eclass API in EAPI ${EAPI} not yet established."
31 esac
32
33 # @FUNCTION: _systemd_get_unitdir
34 # @INTERNAL
35 # @DESCRIPTION:
36 # Get unprefixed unitdir.
37 _systemd_get_unitdir() {
38 echo /usr/lib/systemd/system
39 }
40
41 # @FUNCTION: systemd_get_unitdir
42 # @DESCRIPTION:
43 # Output the path for the systemd unit directory (not including ${D}).
44 # This function always succeeds, even if systemd is not installed.
45 systemd_get_unitdir() {
46 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
47 debug-print-function ${FUNCNAME} "${@}"
48
49 echo "${EPREFIX}$(_systemd_get_unitdir)"
50 }
51
52 # @FUNCTION: systemd_get_utildir
53 # @DESCRIPTION:
54 # Output the path for the systemd utility directory (not including
55 # ${D}). This function always succeeds, even if systemd is not
56 # installed.
57 systemd_get_utildir() {
58 has "${EAPI:-0}" 0 1 2 && ! use prefix && EPREFIX=
59 debug-print-function ${FUNCNAME} "${@}"
60
61 echo "${EPREFIX}/usr/lib/systemd"
62 }
63
64 # @FUNCTION: systemd_dounit
65 # @USAGE: unit1 [...]
66 # @DESCRIPTION:
67 # Install systemd unit(s). Uses doins, thus it is fatal in EAPI 4
68 # and non-fatal in earlier EAPIs.
69 systemd_dounit() {
70 debug-print-function ${FUNCNAME} "${@}"
71
72 (
73 insinto "$(_systemd_get_unitdir)"
74 doins "${@}"
75 )
76 }
77
78 # @FUNCTION: systemd_newunit
79 # @USAGE: oldname newname
80 # @DESCRIPTION:
81 # Install systemd unit with a new name. Uses newins, thus it is fatal
82 # in EAPI 4 and non-fatal in earlier EAPIs.
83 systemd_newunit() {
84 debug-print-function ${FUNCNAME} "${@}"
85
86 (
87 insinto "$(_systemd_get_unitdir)"
88 newins "${@}"
89 )
90 }
91
92 # @FUNCTION: systemd_dotmpfilesd
93 # @USAGE: tmpfilesd1 [...]
94 # @DESCRIPTION:
95 # Install systemd tmpfiles.d files. Uses doins, thus it is fatal
96 # in EAPI 4 and non-fatal in earlier EAPIs.
97 systemd_dotmpfilesd() {
98 debug-print-function ${FUNCNAME} "${@}"
99
100 for f; do
101 [[ ${f} == *.conf ]] \
102 || die 'tmpfiles.d files need to have .conf suffix.'
103 done
104
105 (
106 insinto /usr/lib/tmpfiles.d/
107 doins "${@}"
108 )
109 }
110
111 # @FUNCTION: systemd_newtmpfilesd
112 # @USAGE: oldname newname.conf
113 # @DESCRIPTION:
114 # Install systemd tmpfiles.d file under a new name. Uses newins, thus it
115 # is fatal in EAPI 4 and non-fatal in earlier EAPIs.
116 systemd_newtmpfilesd() {
117 debug-print-function ${FUNCNAME} "${@}"
118
119 [[ ${2} == *.conf ]] \
120 || die 'tmpfiles.d files need to have .conf suffix.'
121
122 (
123 insinto /usr/lib/tmpfiles.d/
124 newins "${@}"
125 )
126 }
127
128 # @FUNCTION: systemd_enable_service
129 # @USAGE: target service
130 # @DESCRIPTION:
131 # Enable service in desired target, e.g. install a symlink for it.
132 # Uses dosym, thus it is fatal in EAPI 4 and non-fatal in earlier
133 # EAPIs.
134 systemd_enable_service() {
135 debug-print-function ${FUNCNAME} "${@}"
136
137 [[ ${#} -eq 2 ]] || die "Synopsis: systemd_enable_service target service"
138
139 local target=${1}
140 local service=${2}
141 local ud=$(_systemd_get_unitdir)
142 local destname=$(basename "${service}")
143
144 dodir "${ud}"/"${target}".wants && \
145 dosym ../"${service}" "${ud}"/"${target}".wants/"${destname}"
146 }
147
148 # @FUNCTION: systemd_with_unitdir
149 # @USAGE: [configure option]
150 # @DESCRIPTION:
151 # Output '--with-systemdsystemunitdir' as expected by systemd-aware configure
152 # scripts. This function always succeeds. Its output may be quoted in order
153 # to preserve whitespace in paths. systemd_to_myeconfargs() is preferred over
154 # this function.
155 #
156 # If upstream does use invalid configure option to handle installing systemd
157 # units (e.g. `--with-systemdunitdir'), you can pass the 'suffix' as an optional
158 # argument to this function (`$(systemd_with_unitdir systemdunitdir)'). Please
159 # remember to report a bug upstream as well.
160 systemd_with_unitdir() {
161 debug-print-function ${FUNCNAME} "${@}"
162 local optname=${1:-systemdsystemunitdir}
163
164 echo --with-${optname}="$(systemd_get_unitdir)"
165 }
166
167 # @FUNCTION: systemd_with_utildir
168 # @DESCRIPTION:
169 # Output '--with-systemdsystemutildir' as used by some packages to install
170 # systemd helpers. This function always succeeds. Its output may be quoted
171 # in order to preserve whitespace in paths.
172 systemd_with_utildir() {
173 debug-print-function ${FUNCNAME} "${@}"
174
175 echo --with-systemdutildir="$(systemd_get_utildir)"
176 }
177
178 # @FUNCTION: systemd_to_myeconfargs
179 # @DESCRIPTION:
180 # Add '--with-systemdsystemunitdir' as expected by systemd-aware configure
181 # scripts to the myeconfargs variable used by autotools-utils eclass. Handles
182 # quoting automatically.
183 systemd_to_myeconfargs() {
184 debug-print-function ${FUNCNAME} "${@}"
185
186 myeconfargs=(
187 "${myeconfargs[@]}"
188 --with-systemdsystemunitdir="$(systemd_get_unitdir)"
189 )
190 }

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