+#!/bin/bash -l
+
+# my projects all have README or --help with a short single line
+# description which I parse and put into the gitweb description.
+
+# If it's a repo with just a single bash script or *-function script,
+# then call it with --help, grap the 2nd line.
+# else, parse the readme, find the first non blank, not starting with [#*],
+# and use that line.
+
+set -eE -o pipefail
+trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
+
+if [[ ! $1 ]]; then
+ echo "need gitroot arg"
+ exit 1
+fi
+
+gitroot=$1
+cd $gitroot
+
+shopt -s extglob
+
+_git_desc_readme() {
+ while read -r line; do
+ [[ $line ]] || continue
+ if echo "$line" | grep "^ *[#*]" &>/dev/null; then
+ continue
+ fi
+ echo "$line" > .git/description
+ break
+ done < README*
+}
+
+dirs=()
+for d in $gitroot/*; do
+ if [[ -d $d && ! -L $d ]]; then
+ for sub in $d/*; do
+ dirs+=($sub)
+ done
+ else
+ dirs+=($d)
+ fi
+done
+
+gitweb-descriptions() {
+ for d in ${dirs[@]}; do
+ d=$(readlink -f $d)
+ cd $d/..
+ e ${PWD##*/}
+ shopt -s nullglob
+ f=(!(LICENSE|COPYING|README|.git))
+ shopt -u nullglob
+ if [[ ${#f[@]} == 1 && ! -d $f ]]; then
+ if [[ ! -x $f ]]; then
+ if [[ $f == *-function ]]; then
+ ${f%-function} --help | sed -n '2p' > .git/description
+ else
+ _git_desc_readme
+ fi
+ else
+ $f --help | sed -n '2p' > .git/description
+ fi
+ else
+ _git_desc_readme
+ fi
+ done
+}
+gitweb-descriptions "$@"