On 06/03/2019 05:54, Unai Martinez-Corral wrote: > Reduce indentation to better use available space. > > Add list of supported environment variables and their default values. > > Signed-off-by: Unai Martinez-Corral <unai.martinezcor...@ehu.eus> > --- > scripts/qemu-binfmt-conf.sh | 61 ++++++++++++++++++++----------------- > 1 file changed, 33 insertions(+), 28 deletions(-) > > diff --git a/scripts/qemu-binfmt-conf.sh b/scripts/qemu-binfmt-conf.sh > index 4a45636b53..8ca2647ed0 100755 > --- a/scripts/qemu-binfmt-conf.sh > +++ b/scripts/qemu-binfmt-conf.sh > @@ -201,34 +201,31 @@ Usage: qemu-binfmt-conf.sh [--help][--path > PATH][--suffix SUFFIX] > [--persistent][--credential][--exportdir PATH] > [--reset ARCHS][--systemd][--debian][CPUS] > > - Configure binfmt_misc to use qemu interpreter for the given CPUS. > - Supported formats for CPUS are: single arch or comma/space separated > list. > - See QEMU target list below. If CPUS is 'ALL' or empty, configure all > known > - cpus. If CPUS is 'NONE', no interpreter is configured. > + Configure binfmt_misc to use qemu interpreter for the given CPUS. > + Supported formats for CPUS are: single arch or comma/space separated > list. > + See QEMU target list below. If CPUS is 'ALL' or empty, configure all > known > + cpus. If CPUS is 'NONE', no interpreter is configured. > > - --help: display this usage > - --path: set path to qemu interpreter ($QEMU_PATH) > - --suffix: add a suffix to the default interpreter name > - ($QEMU_SUFFIX) > - --persistent: if present, the interpreter is loaded when binfmt is > - configured and remains in memory. All future uses > - are cloned from the open file. > - ($QEMU_PERSISTENT=yes) > - --credential: if present, credential and security tokens are > - calculated according to the binary to interpret > - ($QEMU_CREDENTIAL=yes) > - --exportdir: define where to write configuration files > - (default: $SYSTEMDDIR or $DEBIANDIR) > - --reset: remove registered interpreter for target ARCHS (comma > - separated list). If ARCHS is 'ALL', remove all > registered > - 'qemu-*' interpreters. > - --systemd: don't write into /proc, > - instead generate file for systemd-binfmt.service; > - environment variable HOST_ARCH allows to override > 'uname' > - to generate configuration files for a different > - architecture than the current one. > - --debian: don't write into /proc, > - instead generate update-binfmts templates > + --help: display this usage. > + --path: set path to qemu interpreter. > + --suffix: add a suffix to the default interpreter name. > + --persistent: if present, the interpreter is loaded when binfmt is > + configured and remains in memory. All future uses > + are cloned from the open file. > + --credential: if present, credential and security tokens are > + calculated according to the binary to interpret. > + --exportdir: define where to write configuration files. > + (default: $SYSTEMDDIR or $DEBIANDIR) > + --reset: remove registered interpreter for target ARCHS (comma > + separated list). If ARCHS is 'ALL', remove all registered > + 'qemu-*' interpreters. > + --systemd: don't write into /proc, > + instead generate file(s) for systemd-binfmt.service; > + environment variable HOST_ARCH allows to override 'uname' > + to generate configuration files for a different > + architecture than the current one. > + --debian: don't write into /proc, > + instead generate update-binfmts templates. > > To import templates with update-binfmts, use : > > @@ -240,6 +237,14 @@ Usage: qemu-binfmt-conf.sh [--help][--path > PATH][--suffix SUFFIX] > > QEMU target list: $qemu_target_list > > + Options 'path, 'suffix', 'persistent' and 'credential' are also supported > + through environment variables. Defaults are: > + > + QEMU_PATH=/usr/local/bin
You can write QEMU_PATH=$QEMU_PATH to have the actual value. > + QEMU_SUFFIX= > + QEMU_PERSISTENT=no > + QEMU_CREDENTIAL=no and QEMU_SUFFIX=$QEMU_SUFFIX QEMU_PERSISTENT=$QEMU_PERSISTENT QEMU_CREDENTIAL=$QEMU_CREDENTIAL= > + > EOF > } > > @@ -384,8 +389,8 @@ DEBIANDIR="/usr/share/binfmts" > > QEMU_PATH="${QEMU_PATH:-/usr/local/bin}" > QEMU_SUFFIX="${QEMU_SUFFIX:-}" > -QEMU_CREDENTIAL="${QEMU_CREDENTIAL:-no}" > QEMU_PERSISTENT="${QEMU_PERSISTENT:-no}" > +QEMU_CREDENTIAL="${QEMU_CREDENTIAL:-no}" > > options=$(getopt -o r:dsQ:S:e:hcp -l > reset:,debian,systemd,path:,suffix:,exportdir:,help,credential,persistent -- > "$@") > eval set -- "$options" I think you can merge this patch with the previous one. Thanks, Laurent