[tor-commits] [rbm/master] Add the build_log option

[boklm@xxxxxxxxxxxxxx]

commit b0382ccc58b9286e066bf5980f80cf041e287067
Author: Nicolas Vigier <boklm@xxxxxxxxxxxxxx>
Date:   Tue Feb 14 23:55:10 2017 +0100

    Add the build_log option
---
 NEWS                     |  2 ++
 doc/rbm_cli.asc          |  4 ++++
 doc/rbm_config.asc       |  4 ++++
 lib/RBM.pm               | 24 ++++++++++++++++++++++--
 lib/RBM/DefaultConfig.pm |  1 +
 rbm                      |  2 +-
 6 files changed, 34 insertions(+), 3 deletions(-)

diff --git a/NEWS b/NEWS
index 1a1789f..663a281 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,5 @@
+- Add the build_log option
+
 - Add support for optional local configuration file rbm.local.conf
 
 - add the git_submodule option
diff --git a/doc/rbm_cli.asc b/doc/rbm_cli.asc
index 66f6025..adb8b27 100644
--- a/doc/rbm_cli.asc
+++ b/doc/rbm_cli.asc
@@ -42,6 +42,10 @@ The following options can be set on the command line :
  --output-dir=<directory>::
      Set the output directory
 
+ --build-log=<filename>::
+     Set the file where the build logs will be written. If the value is `-`
+     (the default), the logs will be output on stdout and stderr.
+
  --version=<version>::
      Set the package version
 
diff --git a/doc/rbm_config.asc b/doc/rbm_config.asc
index e8decd9..a461b3d 100644
--- a/doc/rbm_config.asc
+++ b/doc/rbm_config.asc
@@ -140,6 +140,10 @@ output_dir::
         The directory where output files (tarballs, spec files or
         packages) are created. The default value is +out+.
 
+build_log::
+        The file where the build logs will be written. If the value is `-` (the
+        default), the logs will be output on stdout and stderr.
+
 fetch::
         The value should be 0 or 1, depending on whether the commits
         from the remote git or hg repository should be fetched
diff --git a/lib/RBM.pm b/lib/RBM.pm
index 4b5bfe9..2248b41 100644
--- a/lib/RBM.pm
+++ b/lib/RBM.pm
@@ -884,6 +884,18 @@ sub input_files {
     return \%res_getfnames if $action eq 'getfnames';
 }
 
+sub system_log {
+    my ($log_file, @args) = @_;
+    return system(@args) if $log_file eq '-';
+    if (my $pid = fork) {
+        waitpid($pid, 0);
+        return ${^CHILD_ERROR_NATIVE};
+    }
+    exit_error "Could not open $log_file" unless open(STDOUT, '>>', $log_file);
+    open(STDERR, '>&', *STDOUT);
+    exec(@args);
+}
+
 sub build_run {
     my ($project, $script_name, $options) = @_;
     my $old_step = $config->{step};
@@ -959,6 +971,14 @@ sub build_run {
         write_file("$srcdir/$s", $build_script{$s});
         chmod 0700, "$srcdir/$s";
     }
+    my $build_log = project_config($project, "build_log", $options);
+    if ($build_log ne '-') {
+        $build_log = path($build_log);
+        make_path(dirname($build_log));
+        my $now = localtime;
+        write_file($build_log, {append => 1}, "Starting build: $now\n");
+        print "Build log: $build_log\n";
+    }
     chdir $srcdir;
     my $res;
     if ($remote_tmp_src && $remote_tmp_dst) {
@@ -982,7 +1002,7 @@ sub build_run {
                     exec_name => $s,
                     exec_as_root => $scripts_root{$s},
                 });
-            if (run_script($project, $cmd, sub { system(@_) }) != 0) {
+            if (run_script($project, $cmd, sub { system_log($build_log, @_) }) != 0) {
                 $error = "Error running $script_name";
                 if (project_config($project, 'debug', $options)) {
                     print STDERR $error, "\nOpening debug shell\n";
@@ -1019,7 +1039,7 @@ sub build_run {
         foreach my $s (@scripts) {
             my $cmd = $scripts_root{$s} ? project_config($project, 'suexec',
                 { suexec_cmd => "$srcdir/$s" }) : "$srcdir/$s";
-            if (system($cmd) != 0) {
+            if (system_log($build_log, $cmd) != 0) {
                 $error = "Error running $script_name";
                 if (project_config($project, 'debug', $options)) {
                     print STDERR $error, "\nOpening debug shell\n";
diff --git a/lib/RBM/DefaultConfig.pm b/lib/RBM/DefaultConfig.pm
index aad9451..ec03ff0 100644
--- a/lib/RBM/DefaultConfig.pm
+++ b/lib/RBM/DefaultConfig.pm
@@ -112,6 +112,7 @@ our %default_config = (
     fetch         => 'if_needed',
     rpmspec       => '[% SET tmpl = project _ ".spec"; INCLUDE $tmpl -%]',
     build         => '[% INCLUDE build -%]',
+    build_log     => '-',
     notmpl        => [ qw(projects_dir) ],
     describe      => \&git_describe,
     abbrev_lenght => '12',
diff --git a/rbm b/rbm
index c618ada..050cff5 100755
--- a/rbm
+++ b/rbm
@@ -95,7 +95,7 @@ sub set_options {
                      gpg-keyring=s gpg-keyring-dir=s gpg-args=s gpg-bin=s
                      sysconf-file=s debsign-keyid=s use-pbuilder!
                      step=s target=s@ publish-src-dir=s debug! hg-clone-dir=s
-                     hg-hash=s localconf-file=s);
+                     hg-hash=s localconf-file=s build-log=s);
     my %val;
     Getopt::Long::GetOptionsFromArray(\@_, \%val, @options) || exit 1;
     foreach my $k (keys %val) {

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