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diff --git a/function-reference/query-functions/text.rst b/function-reference/query-functions/text.rst new file mode 100644 index 0000000..d22cac5 --- /dev/null +++ b/function-reference/query-functions/text.rst @@ -0,0 +1,31 @@ +Query Functions Reference +========================= + +The following functions, which are provided by ``ebuild.sh``, can be used to +query variables and similar state. + +======================= ====================================================== +Function Details +======================= ====================================================== +``use flagname`` Returns a true value if and only if ``flagname`` is + included in ``USE`` +``useq flagname`` As ``use``, guaranteed to produce no output. +``usev flagname`` As ``use``, echoes ``flagname`` upon success. +``use_enable flag str`` Echoes either ``--enable-str`` or ``--disable-str`` + depending upon ``useq flag``. If ``str`` is not + specified, uses ``flag`` instead. +``use_with flag str`` As ``use_enable``, but ``--with-`` or ``without-``. +``has flag string`` Returns true if ``flag`` is included in the flag list + ``string`` (example: ``if has ccache $FEATURES ; then``). +``hasq flag string`` As ``has``, guaranteed quiet. +``hasv flag string`` As ``has``, echoes ``flag`` on success. +``portageq`` Wrapper for ``portageq`` +``best_version pkg`` Echoes the 'best' version of ``pkg`` which is currently + installed. +``has_version pkg`` True if ``pkg`` (can include version specifiers) is + installed. +======================= ====================================================== + +.. vim: set ft=glep tw=80 sw=4 et spell spelllang=en : .. + + |