add support for rmlog_on_uninst

drop from INSTALL the outdated autotools instructions

INSTALL

@@ -1,6 +1,7 @@
 Installing prt-get
 ------------------
+
 Installing prt-get is just a matter of
-./configure 
-make 
-make install
+meson setup bld --prefix=/usr
+cd bld && meson compile
+meson install

doc/prt-get.8

@@ -778,11 +778,14 @@ return many identical lines; these are suppressed by the -3 flag to
 \fBcomm(1)\fP.
 
 .TP
-.B for L in /var/log/pkgmk/*.log; do P=${L%.log}; P=${P##*/}; prt\-get isinst $P >/dev/null || rm $L; done
-(based on a feature request by samsep10l) a command you can put into root's
-crontab in order to mimic Slackware's tidy directory listings (logs are only
-kept for the packages that are actually installed). Modify as needed depending
-on the format string and the log directory specified in \fBprt\-get.conf(5)\fP.
+.B for L in /var/log/pkgbuild/*.log; do P=${L%__*}; P=${P##*/}; VR=${L##*__}; VR=${VR%.log}; if ! prt\-get isinst $P >/dev/null; then mv $L /var/log/uninstalled; elif [ \(dq$(prt\-get current $P)\(dq != \(dq$VR\(dq ]; then mv $L /var/log/oldbuild/; fi; done
+(based on a feature request by samsep10l) a command you can put into a script
+called by root's crontab, in order to mimic Slackware's tidy directory listings 
+(the main logdir only contains build logs of the latest installed packages;
+other logs are moved to a separate directory). This particular command relies
+on declaring \(dqlogfile /var/log/pkgbuild/%n__%v-%r.log\(dq and \(dqwritelog
+enabled\(dq in \fBprt\-get.conf(5)\fP. Logs saved with a different filename
+pattern will require slight adjustments to the command.
 
 .TP
 .B prt\-get printf \(dq%p\et%u\en\(dq | awk '($1 ~ /\e/myrepo$/) { print $2 }'

doc/prt-get.conf.5

@@ -128,13 +128,33 @@ replaced with the port's path, e.g. for port gcc in core, %p would be
 and %n would be
 .B gcc.
 This allows you to have separate log files per port.
+Separate log files for each version and release can be achieved
+using the placeholders %v and %r, respectively. But if you want to use the
+feature of deleting a build log when the package is removed, it is best to 
+avoid %p, %v, and %r when specifying \fBlogfile\fP (as explained below).
+
+.B rmlog_on_uninst
+which can be set to 'yes' or 'no'; when set to yes, uninstalling a 
+package will also try to delete its build log. Replacements in the template 
+\fBlogfile\fP will be made using the \fIcurrent values\fP from the database
+of installed packages, and from the active repositories. If log files exist
+with different values of %p, %v, or %r than what the database and repositories
+provide (e.g., you ran \fBpkgmk(8),pkgadd(8)\fP manually and hence updated the
+database without using \fBprt\-get(8)\fP, or you kept a package installed 
+after it had been dropped from the repositories), then those logs will not be
+deleted.
+With a template like \(dq%p/.buildlogs/%n-%v-%r.log\(dq, uninstalling a package
+after having it on your system through many versions, or after it has been
+moved from opt to contrib, might leave behind all the build logs except the
+latest. See the EXAMPLES section of \fBprt\-get(8)\fP for alternative ways to
+tidy up your directory of build logs.
 
 .B readme
 can be set to 'disabled', to suppress the notification after
 installing a port with a README file; 'compact', to collect all the READMEs
 into one post-transaction output; or 'verbose', to print separate
 information about each port with a README file. See
-.B prt-get(8)
+.B prt\-get(8)
 and especially the readme command how to read those README files using
 prt-get.
 

misc/prt-get.conf

@@ -17,10 +17,11 @@ prtdir /usr/ports/opt
 ### log options:
 # writelog enabled         # (enabled|disabled)
 # logmode  overwrite       # (append|overwrite)
-# rm_on_success no         # (yes|no)
+# rmlog_on_success no      # (yes|no)
+# rmlog_on_uninst no       # (yes|no)
 logfile  /var/log/pkgbuild/%n.log
-                           # path, %p=path to port dir, %n=port name
-                           #       %v=version, %r=release
+                           # %n=port name, %v=version, %r=release
+                           # %p=path to repository
 
 ### print README information:
 # readme verbose           # (verbose|compact|disabled)

src/configuration.cpp

@@ -30,6 +30,7 @@ Configuration::Configuration( const std::string& configFile,
       m_writeLog( false ),
       m_appendLog( false ),
       m_removeLogOnSuccess( false ),
+      m_removeLogOnUninst( false ),
       m_readmeMode( VERBOSE_README ),
       m_runScripts( false ),
       m_preferHigher( false ),
@@ -85,6 +86,11 @@ bool Configuration::removeLogOnSuccess() const
     return m_removeLogOnSuccess;
 }
 
+bool Configuration::removeLogOnUninst() const
+{
+    return m_removeLogOnUninst;
+}
+
 string Configuration::logFilePattern() const
 {
     return m_logFilePattern;
@@ -191,6 +197,13 @@ void Configuration::parseLine(const string& line, bool prepend)
         } else if ( s == "no" ) {
 	    m_removeLogOnSuccess = false;
 	}
+    } else if ( startsWithNoCase( s, "rmlog_on_uninst" ) ) {
+        s = stripWhiteSpace( s.replace( 0, 15, "" ) );
+        if ( s == "yes" ) {
+            m_removeLogOnUninst = true;
+        } else if ( s == "no" ) {
+	    m_removeLogOnUninst = false;
+	}
     } else if ( startsWithNoCase( s, "readme" ) ) {
         s = stripWhiteSpace( s.replace( 0, 6, "" ) );
         if ( s == "compact" ) {

src/configuration.h

@@ -30,6 +30,7 @@ public:
     bool writeLog() const;
     bool appendLog() const;
     bool removeLogOnSuccess() const;
+    bool removeLogOnUninst() const;
     std::string logFilePattern() const;
 
     const std::list< std::pair<std::string, std::string> >& rootList() const;
@@ -71,6 +72,7 @@ private:
     bool m_writeLog;
     bool m_appendLog;
     bool m_removeLogOnSuccess;
+    bool m_removeLogOnUninst;
 
     ReadmeMode m_readmeMode;
 

src/prtget.cpp

@@ -1927,12 +1927,17 @@ void PrtGet::remove()
 {
     assertMinArgCount(1);
 
+    bool needRepo = false;
     list<string> removed;
     list<string> failed;
     list<string> notInstalled;
 
     if ( m_parser->isTest() ) {
         cout << "*** " << m_appName << ": test mode" << endl;
+    } else if ( m_config->removeLogOnUninst()
+        && m_config->logFilePattern().find("%p") != string::npos ) {
+        needRepo = true;
+        initRepo();
     }
 
     string command = InstallTransaction::PKGRM_DEFAULT_COMMAND;
@@ -1944,20 +1949,48 @@ void PrtGet::remove()
     list<char*>::const_iterator it = args.begin();
     for ( ; it != args.end(); ++it ) {
         if (m_pkgDB->isInstalled(*it)) {
-            // TODO: prettify
-            string args = "";
+            string rm_args = "";
             if (m_parser->installRoot() != "") {
-                args = "-r " + m_parser->installRoot() + " ";
+                rm_args = "-r " + m_parser->installRoot() + " ";
             }
-            args += (m_parser->pkgrmArgs() + " " + *it);
+            rm_args += (m_parser->pkgrmArgs() + " " + *it);
 
-            Process proc(command, args);
+            Process proc(command, rm_args);
             if (m_parser->isTest() || proc.executeShell() == 0) {
                 removed.push_back(*it);
                 if (m_locker.isLocked(*it)) {
                     m_locker.unlock(*it);
                     m_locker.store();
                 }
+		if (m_config->removeLogOnUninst() && !m_parser->isTest()) {
+		    string rm_logFile = m_config->logFilePattern();
+		    bool doneSubs=false;
+		    const string pkgname = *it;
+		    StringHelper::replaceAll( rm_logFile, "%n", pkgname );
+		    const string rm_ver = m_pkgDB->getPackageVersion( pkgname );
+		    size_t pos = rm_ver.find_last_of('-');
+		    if (pos != string::npos) {
+		        const string rm_v = rm_ver.substr(0,pos);
+		        const string rm_r = rm_ver.substr(pos+1);
+		        StringHelper::replaceAll( rm_logFile, "%v", rm_v );
+		        StringHelper::replaceAll( rm_logFile, "%r", rm_r );
+		    }
+		    if (! needRepo) {
+			doneSubs=true;
+		    } else if (m_repo->getPackage( pkgname )) {
+		        StringHelper::replaceAll( rm_logFile, "%p",
+			    m_repo->getPackage( pkgname )->path() );
+			doneSubs=true;
+		    } else {
+			cout << "Warning: unable to determine the logfile for "
+			    + pkgname + "; log removal aborted." << endl;
+		    }
+		    struct stat slF;
+		    if ( doneSubs && stat(rm_logFile.c_str(), &slF)==0 
+					&& (slF.st_mode & S_IFMT)==S_IFREG ) {
+		        unlink( rm_logFile.c_str() );
+		    }
+		}
             } else {
                 failed.push_back(*it);
             }