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Diffstat (limited to 'doc/manual/troubleshooting/collisions-nixenv.xml')
| -rw-r--r-- | doc/manual/troubleshooting/collisions-nixenv.xml | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/doc/manual/troubleshooting/collisions-nixenv.xml b/doc/manual/troubleshooting/collisions-nixenv.xml deleted file mode 100644 index 23cc43faf088..000000000000 --- a/doc/manual/troubleshooting/collisions-nixenv.xml +++ /dev/null @@ -1,38 +0,0 @@ -<section xmlns="http://docbook.org/ns/docbook" - xmlns:xlink="http://www.w3.org/1999/xlink" - xmlns:xi="http://www.w3.org/2001/XInclude" - version="5.0" - xml:id="sec-collisions-nixenv"> - -<title>Collisions in <command>nix-env</command></title> - -<para>Symptom: when installing or upgrading, you get an error message such as - -<screen> -$ nix-env -i docbook-xml -... -adding /nix/store/s5hyxgm62gk2...-docbook-xml-4.2 -collision between `/nix/store/s5hyxgm62gk2...-docbook-xml-4.2/xml/dtd/docbook/calstblx.dtd' - and `/nix/store/06h377hr4b33...-docbook-xml-4.3/xml/dtd/docbook/calstblx.dtd' - at /nix/store/...-builder.pl line 62.</screen> - -</para> - -<para>The cause is that two installed packages in the user environment -have overlapping filenames (e.g., -<filename>xml/dtd/docbook/calstblx.dtd</filename>. This usually -happens when you accidentally try to install two versions of the same -package. For instance, in the example above, the Nix Packages -collection contains two versions of <literal>docbook-xml</literal>, so -<command>nix-env -i</command> will try to install both. The default -user environment builder has no way to way to resolve such conflicts, -so it just gives up.</para> - -<para>Solution: remove one of the offending packages from the user -environment (if already installed) using <command>nix-env --e</command>, or specify exactly which version should be installed -(e.g., <literal>nix-env -i docbook-xml-4.2</literal>).</para> - -<!-- FIXME: describe priorities --> - -</section> |