The user ought to be able to call `tg help` from anywhere in the filesystem,
not just Git repositories, so the help parsing has to happen before the calls
to git git binary.
Debian bug: #501982
Signed-off-by: martin f. krafft <madduck@xxxxxxxxxx>
---
tg.sh | 28 +++++++++++++++++++++++++---
1 files changed, 25 insertions(+), 3 deletions(-)
diff --git a/tg.sh b/tg.sh
index 4dcc15e..258f8ce 100644
--- a/tg.sh
+++ b/tg.sh
@@ -235,12 +235,37 @@ do_help()
fi
}
+# Check whether we are supposed to output the help message
+should_do_help()
+{
+ # we are being sourced for utility functions, never run help
+ [ -z "$tg__include" ] || return 1
+
+ local prev
+ while [ -n "$1" ]; do
+ case "$1" in
+ help|--help|-h)
+ shift
+ echo "${1:-$prev}"
+ return 0
+ esac
+ prev="$1"
+ shift
+ done
+
+ # run help when there was no previous topic, meaning that there where
+ # no arguments at all
+ test -z "$prev"
+}
## Startup
[ -d "@cmddir@" ] ||
die "No command directory: '@cmddir@'"
+# check if we should run help and get the topic while we're at it
+help_topic="$(should_do_help "$@")" && { do_help "$help_topic"; exit 0; }
+
## Initial setup
set -e
@@ -270,9 +295,6 @@ cmd="$1"
shift
case "$cmd" in
-help|--help|-h)
- do_help "$1"
- exit 0;;
--hooks-path)
# Internal command
echo "@hooksdir@";;
--
tg: (f17218e..) fixes/independent-help (depends on: upstream)
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