Add option ‘build-keep-log’ to enable/disable writing of build logs

Fixes #26.
This commit is contained in:
Eelco Dolstra 2012-05-29 16:42:05 -04:00
parent 8058dab26e
commit 2c26985835
3 changed files with 36 additions and 1 deletions

View file

@ -276,6 +276,18 @@ build-use-chroot = /dev /proc /bin</programlisting>
</varlistentry>
<varlistentry><term><literal>build-keep-log</literal></term>
<listitem><para>If set to <literal>true</literal> (the default),
Nix will write the build log of a derivation (i.e. the standard
output and error of its builder) to the directory
<filename>/nix/var/log/nix/drvs</filename>. The build log can be
retrieved using the command <command>nix-store -l
<replaceable>path</replaceable></command>.</para></listitem>
</varlistentry>
<varlistentry><term><literal>system</literal></term>
<listitem><para>This option specifies the canonical Nix system

View file

@ -6,6 +6,26 @@
<!--==================================================================-->
<section xml:id="ssec-relnotes-1.1"><title>Release 1.1 (TBA)</title>
<para>This release has the following improvements:</para>
<itemizedlist>
<listitem>
<para>The creation of build logs in
<filename>/nix/var/log/nix/drvs</filename> can be disabled by
setting the new option <literal>build-keep-log</literal> to
<literal>false</literal></para>
</listitem>
</itemizedlist>
</section>
<!--==================================================================-->
<section xml:id="ssec-relnotes-1.0"><title>Release 1.0 (May 11, 2012)</title>

View file

@ -2032,6 +2032,8 @@ string drvsLogDir = "drvs";
Path DerivationGoal::openLogFile()
{
if (!queryBoolSetting("build-keep-log", true)) return "";
/* Create a log file. */
Path dir = (format("%1%/%2%") % nixLogDir % drvsLogDir).str();
createDirs(dir);
@ -2071,7 +2073,8 @@ void DerivationGoal::handleChildOutput(int fd, const string & data)
{
if (verbosity >= buildVerbosity)
writeToStderr((unsigned char *) data.data(), data.size());
writeFull(fdLogFile, (unsigned char *) data.data(), data.size());
if (fdLogFile != -1)
writeFull(fdLogFile, (unsigned char *) data.data(), data.size());
}
if (hook && fd == hook->fromHook.readSide)