I find displaying the man page on every typo a bit distracting. Now that
we can list all the supported subcommands (by way of listing all the
dim_ prefixed functions), add usage to show quick help. Also make it a
subcommand of its own.
Signed-off-by: Jani Nikula <jani.nik...@intel.com>
---
dim | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/dim b/dim
index 6f50f8b67184..1651b5e8218a 100755
--- a/dim
+++ b/dim
@@ -139,7 +139,7 @@ shift `expr $OPTIND - 1`
# first positional argument is the subcommand
if [ "$#" = "0" ]; then
- subcommand="help"
+ subcommand="usage"
else
subcommand="$1"
shift
@@ -149,7 +149,7 @@ fi
# Sanity checks.
#
-if [ "$subcommand" != "setup" -a "$subcommand" != "help" ]; then
+if [ "$subcommand" != "setup" -a "$subcommand" != "help" -a "$subcommand" !=
"usage" ]; then
for d in $DIM_PREFIX $DIM_PREFIX/$DIM_DRM_INTEL
$DIM_PREFIX/drm-intel-rerere $DIM_PREFIX/drm-intel-nightly; do
if [ ! -d $d ]; then
echo "$d is missing, please check your configuration
and/or run dim setup"
@@ -1096,6 +1096,16 @@ function dim_help
$renderer < $manpage | $pager
}
+function dim_usage
+{
+ echo "usage: $0 [OPTIONS] SUBCOMMAND [ARGUMENTS]"
+ echo
+ echo "The available subcommands are:"
+ declare -F | grep -o " dim_[a-zA-Z_]*" | sed 's/^ dim_/\t/'
+ echo
+ echo "See '$0 help' for more information."
+}
+
# dim subcommand aliases
declare -n subcmd=dim_alias_${subcommand//-/_}
if [ -z "$subcmd" ]; then
@@ -1107,5 +1117,6 @@ subcmd_func=dim_${subcmd//-/_}
if declare -f $subcmd_func >/dev/null; then
$subcmd_func "$@"
else
- dim_help
+ echo "$0: '$subcommand' is not a dim command." >&2
+ dim_usage
fi
--
2.1.4
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