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: $qemu_target_list
+ Options 'path, 'suffix', 'persistent' and 'credential' are also supported
+ through environment variables. Defaults are:
+
+ QEMU_PATH=/usr/local/bin
+ QEMU_SUFFIX=
+ QEMU_PERSISTENT=no
+ QEMU_CREDENTIAL=no
+
EOF
}
@@ -384,8 +389,8 @@ DEBIANDIR="/usr/share/binfmts"
QEMU_PATH="${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"
--
2.20.1
