[gentoo-dev] Re: Preserving mtimes for EAPI3

[Ulrich Mueller]

>>>>> On Tue, 31 Mar 2009, ABCD  wrote:

> Here is a solution that should work with find(1p) and touch(1p):
> Immediately preceding pkg_setup,
> `touch "${PORTAGE_BUILDDIR}/.pre_pkg_setup`;
> immediately following src_install,
> `touch "${PORTAGE_BUILDDIR}"/.post_src_install`.

> Then, the following call to find(1p) should work:

>    find "${D}" -type f \
>      \( \! -newer "${PORTAGE_BUILDDIR}"/.pre_pkg_setup -exec \
>              touch -c -r "${PORTAGE_BUILDDIR}"/.pre_pkg_setup {} + \
>         -o -newer "${PORTAGE_BUILDDIR}"/.post_src_install -exec \
>              touch -c -r "${PORTAGE_BUILDDIR}"/.post_src_install {} + \)

Tested and works well. Seems we cannot do without auxiliary files,
since POSIX find doesn't support any reasonable time input format.

Ulrich