/[gentoo-x86]/eclass/systemd.eclass
Gentoo

Contents of /eclass/systemd.eclass

Parent Directory Parent Directory | Revision Log Revision Log


Revision 1.20 - (show annotations) (download)
Mon Dec 31 13:08:12 2012 UTC (21 months ago) by mgorny
Branch: MAIN
Changes since 1.19: +24 -1 lines
Add function to update systemd journal catalog database.

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 1.19 2012/11/21 09:06:42 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 local INSDESTTREE
73 insinto "$(_systemd_get_unitdir)"
74 doins "${@}"
75 }
76
77 # @FUNCTION: systemd_newunit
78 # @USAGE: oldname newname
79 # @DESCRIPTION:
80 # Install systemd unit with a new name. Uses newins, thus it is fatal
81 # in EAPI 4 and non-fatal in earlier EAPIs.
82 systemd_newunit() {
83 debug-print-function ${FUNCNAME} "${@}"
84
85 local INSDESTTREE
86 insinto "$(_systemd_get_unitdir)"
87 newins "${@}"
88 }
89
90 # @FUNCTION: systemd_dotmpfilesd
91 # @USAGE: tmpfilesd1 [...]
92 # @DESCRIPTION:
93 # Install systemd tmpfiles.d files. Uses doins, thus it is fatal
94 # in EAPI 4 and non-fatal in earlier EAPIs.
95 systemd_dotmpfilesd() {
96 debug-print-function ${FUNCNAME} "${@}"
97
98 for f; do
99 [[ ${f} == *.conf ]] \
100 || die 'tmpfiles.d files need to have .conf suffix.'
101 done
102
103 local INSDESTTREE
104 insinto /usr/lib/tmpfiles.d/
105 doins "${@}"
106 }
107
108 # @FUNCTION: systemd_newtmpfilesd
109 # @USAGE: oldname newname.conf
110 # @DESCRIPTION:
111 # Install systemd tmpfiles.d file under a new name. Uses newins, thus it
112 # is fatal in EAPI 4 and non-fatal in earlier EAPIs.
113 systemd_newtmpfilesd() {
114 debug-print-function ${FUNCNAME} "${@}"
115
116 [[ ${2} == *.conf ]] \
117 || die 'tmpfiles.d files need to have .conf suffix.'
118
119 local INSDESTTREE
120 insinto /usr/lib/tmpfiles.d/
121 newins "${@}"
122 }
123
124 # @FUNCTION: systemd_enable_service
125 # @USAGE: target service
126 # @DESCRIPTION:
127 # Enable service in desired target, e.g. install a symlink for it.
128 # Uses dosym, thus it is fatal in EAPI 4 and non-fatal in earlier
129 # EAPIs.
130 systemd_enable_service() {
131 debug-print-function ${FUNCNAME} "${@}"
132
133 [[ ${#} -eq 2 ]] || die "Synopsis: systemd_enable_service target service"
134
135 local target=${1}
136 local service=${2}
137 local ud=$(_systemd_get_unitdir)
138 local destname=$(basename "${service}")
139
140 dodir "${ud}"/"${target}".wants && \
141 dosym ../"${service}" "${ud}"/"${target}".wants/"${destname}"
142 }
143
144 # @FUNCTION: systemd_with_unitdir
145 # @USAGE: [configure option]
146 # @DESCRIPTION:
147 # Output '--with-systemdsystemunitdir' as expected by systemd-aware configure
148 # scripts. This function always succeeds. Its output may be quoted in order
149 # to preserve whitespace in paths. systemd_to_myeconfargs() is preferred over
150 # this function.
151 #
152 # If upstream does use invalid configure option to handle installing systemd
153 # units (e.g. `--with-systemdunitdir'), you can pass the 'suffix' as an optional
154 # argument to this function (`$(systemd_with_unitdir systemdunitdir)'). Please
155 # remember to report a bug upstream as well.
156 systemd_with_unitdir() {
157 debug-print-function ${FUNCNAME} "${@}"
158 local optname=${1:-systemdsystemunitdir}
159
160 echo --with-${optname}="$(systemd_get_unitdir)"
161 }
162
163 # @FUNCTION: systemd_with_utildir
164 # @DESCRIPTION:
165 # Output '--with-systemdsystemutildir' as used by some packages to install
166 # systemd helpers. This function always succeeds. Its output may be quoted
167 # in order to preserve whitespace in paths.
168 systemd_with_utildir() {
169 debug-print-function ${FUNCNAME} "${@}"
170
171 echo --with-systemdutildir="$(systemd_get_utildir)"
172 }
173
174 # @FUNCTION: systemd_to_myeconfargs
175 # @DESCRIPTION:
176 # Add '--with-systemdsystemunitdir' as expected by systemd-aware configure
177 # scripts to the myeconfargs variable used by autotools-utils eclass. Handles
178 # quoting automatically.
179 systemd_to_myeconfargs() {
180 debug-print-function ${FUNCNAME} "${@}"
181
182 myeconfargs=(
183 "${myeconfargs[@]}"
184 --with-systemdsystemunitdir="$(systemd_get_unitdir)"
185 )
186 }
187
188 # @FUNCTION: systemd_update_catalog
189 # @DESCRIPTION:
190 # Update the journald catalog. This needs to be called after installing
191 # or removing catalog files.
192 #
193 # If systemd is not installed, no operation will be done. The catalog
194 # will be (re)built once systemd is installed.
195 #
196 # See: http://www.freedesktop.org/wiki/Software/systemd/catalog
197 systemd_update_catalog() {
198 debug-print-function ${FUNCNAME} "${@}"
199
200 # Make sure to work on the correct system.
201 local journalctl=${EPREFIX}/usr/bin/journalctl
202 if [[ -x ${journalctl} ]]; then
203 ebegin "Updating systemd journal catalogs"
204 journalctl --update-catalog
205 eend $?
206 else
207 debug-print "${FUNCNAME}: journalctl not found."
208 fi
209 }

  ViewVC Help
Powered by ViewVC 1.1.20