dkbuild: ajout de from_glob()

dkbuild

@@ -1108,6 +1108,34 @@ function load_environ() {
     eval "$(declare -p -x | sed -r 's/^declare -x ([^=]+)=/_ENVIRON[\1]=/')"
 }
 
+function from_glob() {
+    local var=value value
+    [[ "$1" != *=* ]] && { var="$1"; shift; }
+
+    local path extract add_prefix add_suffix
+    while [ $# -gt 0 ]; do
+        case "$1" in
+        path=*) path="${1#path=}";;
+        extract=*) extract="${1#extract=}";;
+        add-prefix=*) add_prefix="${1#add-prefix=}";;
+        add-suffix=*) add_suffix="${1#add-suffix=}";;
+        *=*) ewarn "path: $1: argument ignoré";;
+        *) break;;
+        esac
+        shift
+    done
+    value="$(list_all . "$path" | sort -rn | head -1)"
+    [ -n "$extract" ] || extract="${path//\*/(.*)}"
+    if [ -n "$extract" ]; then
+        extract="${extract//\//\\/}"
+        value="$add_prefix$(awk -v version="$value" "BEGIN {
+          if (match(version, /$extract/, vs)) { print vs[1] }
+          else { print version }
+        }")$add_suffix"
+    fi
+
+    local "$var"; upvar "$var" "$value"
+}
 function define_functions_env() {
     function setversion() {
         [ -n "$SETVERSION_DONE" ] && return