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Revision 1.16 - (show annotations) (download)
Tue Oct 30 20:24:09 2012 UTC (21 months ago) by mgorny
Branch: MAIN
Changes since 1.15: +4 -4 lines
Replace "echo -n" with "echo", bash removes trailing newline in subshells anyway.

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 1.15 2012/09/27 16:35:42 axs 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_dounit
53 # @USAGE: unit1 [...]
54 # @DESCRIPTION:
55 # Install systemd unit(s). Uses doins, thus it is fatal in EAPI 4
56 # and non-fatal in earlier EAPIs.
57 systemd_dounit() {
58 debug-print-function ${FUNCNAME} "${@}"
59
60 (
61 insinto "$(_systemd_get_unitdir)"
62 doins "${@}"
63 )
64 }
65
66 # @FUNCTION: systemd_newunit
67 # @USAGE: oldname newname
68 # @DESCRIPTION:
69 # Install systemd unit with a new name. Uses newins, thus it is fatal
70 # in EAPI 4 and non-fatal in earlier EAPIs.
71 systemd_newunit() {
72 debug-print-function ${FUNCNAME} "${@}"
73
74 (
75 insinto "$(_systemd_get_unitdir)"
76 newins "${@}"
77 )
78 }
79
80 # @FUNCTION: systemd_dotmpfilesd
81 # @USAGE: tmpfilesd1 [...]
82 # @DESCRIPTION:
83 # Install systemd tmpfiles.d files. Uses doins, thus it is fatal
84 # in EAPI 4 and non-fatal in earlier EAPIs.
85 systemd_dotmpfilesd() {
86 debug-print-function ${FUNCNAME} "${@}"
87
88 for f; do
89 [[ ${f} == *.conf ]] \
90 || die 'tmpfiles.d files need to have .conf suffix.'
91 done
92
93 (
94 insinto /usr/lib/tmpfiles.d/
95 doins "${@}"
96 )
97 }
98
99 # @FUNCTION: systemd_newtmpfilesd
100 # @USAGE: oldname newname.conf
101 # @DESCRIPTION:
102 # Install systemd tmpfiles.d file under a new name. Uses newins, thus it
103 # is fatal in EAPI 4 and non-fatal in earlier EAPIs.
104 systemd_newtmpfilesd() {
105 debug-print-function ${FUNCNAME} "${@}"
106
107 [[ ${2} == *.conf ]] \
108 || die 'tmpfiles.d files need to have .conf suffix.'
109
110 (
111 insinto /usr/lib/tmpfiles.d/
112 newins "${@}"
113 )
114 }
115
116 # @FUNCTION: systemd_enable_service
117 # @USAGE: target service
118 # @DESCRIPTION:
119 # Enable service in desired target, e.g. install a symlink for it.
120 # Uses dosym, thus it is fatal in EAPI 4 and non-fatal in earlier
121 # EAPIs.
122 systemd_enable_service() {
123 debug-print-function ${FUNCNAME} "${@}"
124
125 [[ ${#} -eq 2 ]] || die "Synopsis: systemd_enable_service target service"
126
127 local target=${1}
128 local service=${2}
129 local ud=$(_systemd_get_unitdir)
130 local destname=$(basename "${service}")
131
132 dodir "${ud}"/"${target}".wants && \
133 dosym ../"${service}" "${ud}"/"${target}".wants/"${destname}"
134 }
135
136 # @FUNCTION: systemd_with_unitdir
137 # @USAGE: [configure option]
138 # @DESCRIPTION:
139 # Output '--with-systemdsystemunitdir' as expected by systemd-aware configure
140 # scripts. This function always succeeds. Its output may be quoted in order
141 # to preserve whitespace in paths. systemd_to_myeconfargs() is preferred over
142 # this function.
143 #
144 # If upstream does use invalid configure option to handle installing systemd
145 # units (e.g. `--with-systemdunitdir'), you can pass the 'suffix' as an optional
146 # argument to this function (`$(systemd_with_unitdir systemdunitdir)'). Please
147 # remember to report a bug upstream as well.
148 systemd_with_unitdir() {
149 debug-print-function ${FUNCNAME} "${@}"
150 local optname=${1:-systemdsystemunitdir}
151
152 echo --with-${optname}="$(systemd_get_unitdir)"
153 }
154
155 # @FUNCTION: systemd_to_myeconfargs
156 # @DESCRIPTION:
157 # Add '--with-systemdsystemunitdir' as expected by systemd-aware configure
158 # scripts to the myeconfargs variable used by autotools-utils eclass. Handles
159 # quoting automatically.
160 systemd_to_myeconfargs() {
161 debug-print-function ${FUNCNAME} "${@}"
162
163 myeconfargs=(
164 "${myeconfargs[@]}"
165 --with-systemdsystemunitdir="$(systemd_get_unitdir)"
166 )
167 }

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