[gc] vault-gc systemd service

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jolla.com>

CMakeLists.txt

@@ -1,6 +1,8 @@
 PROJECT(VAULT)
 cmake_minimum_required(VERSION 2.8.8)
 
+set(prefix ${CMAKE_INSTALL_PREFIX})
+
 IF(NOT DEFINED VERSION OR VERSION STREQUAL "")
 message(FATAL_ERROR "Define VERSION")
 ENDIF(NOT DEFINED VERSION OR VERSION STREQUAL "")

qml/Vault/vault.cpp

@@ -308,4 +308,10 @@ void Vault::registerUnit(const QJSValue &unit, bool global)
     }
 }
 
+void Vault::startGc()
+{
+    if (os::system("systemctl", {"--user", "start", "vault-gc.service"}) != 0)
+        debug::error("Can't start vault-gc.service");
+}
+
 #include "vault.moc"

qml/Vault/vault.hpp

@@ -52,6 +52,7 @@ class Vault : public QObject
     Q_INVOKABLE QString notes(const QString &snapshot) const;
 
     Q_INVOKABLE void registerUnit(const QJSValue &unit, bool global);
+    Q_INVOKABLE void startGc();
 
 signals:
     void rootChanged();

rpm/vault.spec

@@ -1,3 +1,5 @@
+%{!?_with_usersession: %{!?_without_usersession: %define _with_usersession --with-usersession}}
+
 Summary: Incremental backup/restore framework
 Name: vault
 Version: 0.1.0
@@ -12,13 +14,15 @@ BuildRequires: pkgconfig(gittin)
 BuildRequires: pkgconfig(tut) >= 0.0.3
 BuildRequires: pkgconfig(Qt5Core) >= 5.2.0
 BuildRequires: pkgconfig(Qt5Qml)
-BuildRequires: pkgconfig(qtaround) >= 0.2.0
+%{?_with_usersession:Requires: systemd-user-session-targets}
 Requires(post): /sbin/ldconfig
 Requires(postun): /sbin/ldconfig
 
 %description
 Incremental backup/restore framework
 
+%{?_with_usersession:%define _userunitdir %{_libdir}/systemd/user/}
+
 %package devel
 Summary: vault headers etc.
 Group: Development/Libraries
@@ -45,6 +49,10 @@ make %{?jobs:-j%jobs}
 rm -rf $RPM_BUILD_ROOT
 make install DESTDIR=%{buildroot}
 
+%if 0%{?_with_usersession:1}
+install -D -p -m644 tools/vault-gc.service %{buildroot}%{_userunitdir}/vault-gc.service
+%endif
+
 %clean
 rm -rf $RPM_BUILD_ROOT
 
@@ -58,6 +66,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_libdir}/qt5/qml/NemoMobile/Vault/*
 %{_bindir}/vault
 %{tools_dir}/*
+%if 0%{?_with_usersession:1}
+%{_userunitdir}/vault-gc.service
+%endif
 
 %files devel
 %defattr(-,root,root,-)
@@ -69,5 +80,14 @@ rm -rf $RPM_BUILD_ROOT
 %defattr(-,root,root,-)
 /opt/tests/vault/*
 
-%post -p /sbin/ldconfig
-%postun -p /sbin/ldconfig
+%post
+/sbin/ldconfig || :
+%if 0%{?_with_usersession:1}
+    systemctl-user daemon-reload || :
+%endif
+
+%postun
+/sbin/ldconfig || :
+%if 0%{?_with_usersession:1}
+    systemctl-user daemon-reload || :
+%endif

tools/CMakeLists.txt

@@ -1,5 +1,7 @@
+configure_file(vault-gc.service.in vault-gc.service @ONLY)
+
 install(
-  PROGRAMS git-vault-gc
+  PROGRAMS git-vault-gc gc-default
   DESTINATION libexec/vault
   )
 

tools/gc-default

@@ -0,0 +1,2 @@
+#!/bin/sh
+/usr/bin/vault -H $HOME -V $HOME/.vault -a gc

tools/vault-gc.service.in

@@ -0,0 +1,5 @@
+[Unit]
+Description=Vault garbage collection
+
+[Service]
+ExecStart=@prefix@/libexec/vault/gc-default