improve tool baking and add docker build tool tbx

tools/scripts/bake_tools.sh

@@ -0,0 +1,177 @@
+#!/usr/bin/env bash
+
+# @file merge common helpers and script into a single script without dependencies
+#
+#
+#
+
+set +e
+
+# find script directory
+if [ -z "$TBD_PROJECT_DIR" ]; then
+  scripts_srcs_dir="$(realpath -- $(dirname -- ${BASH_SOURCE[0]}))"
+else
+  scripts_srcs_dir="$TBD_PROJECT_DIR/tools/scripts"
+fi
+
+source "$scripts_srcs_dir/lib/common_header.sh"
+
+# @brief parameter defaults
+#
+#
+tbd_logging_tag="bake_tools"
+script_files="$scripts_srcs_dir"/src/*.sh
+process_only=false
+header_file=$scripts_srcs_dir/common_header.sh
+
+# @brief parse command line options
+#
+#
+parse_args() {
+    local has_verbosity=false
+
+    while [ $# -gt 0 ]; do
+        arg=$1
+
+        case $arg in
+            -o|--out-dir)
+                out_dir=$2
+                shift
+                ;;
+            -vs|--silent)
+                if $has_verbosity; then
+                  tbd_abort "multiple verbosity arguments present"
+                fi
+                TBD_LOG_LEVEL="SILENT"
+                has_verbosity=true
+                ;;
+            -ve|--verrors)
+                if $has_verbosity; then
+                  tbd_abort "multiple verbosity arguments present"
+                fi
+                TBD_LOG_LEVEL="SILENT"
+                has_verbosity=true
+                ;;
+            -vw|--vwarnings)
+                if $has_verbosity; then
+                  tbd_abort "multiple verbosity arguments present"
+                fi
+                TBD_LOG_LEVEL="SILENT"
+                has_verbosity=true
+                ;;
+            -v|--vinfo)
+                if $has_verbosity; then
+                  tbd_abort "multiple verbosity arguments present"
+                fi
+                TBD_LOG_LEVEL=INFO
+                has_verbosity=true
+                ;;
+            -vv|--verbose)
+                if $has_verbosity; then
+                  tbd_abort "multiple verbosity arguments present"
+                fi
+                TBD_LOG_LEVEL=VERBOSE
+                has_verbosity=true
+                ;;
+            -vvv|--vdebug)
+                if $has_verbosity; then
+                  tbd_abort "multiple verbosity arguments present"
+                fi
+                TBD_LOG_LEVEL=DEBUG
+                has_verbosity=true
+                ;;
+            *)
+                break
+                ;;
+        esac
+        shift
+    done
+
+    if [ $# -gt 0 ]; then
+        script_files=$@
+    fi
+
+
+    if [ -z "$out_dir" ]; then
+        out_dir=$(dirname -- "$scripts_srcs_dir")/bin
+    fi
+}
+
+
+parse_args $@
+
+tbd_logi "writing baked script files to $out_dir"
+
+if ! [ -d "$out_dir" ]; then
+    mkdir -p "$out_dir"
+fi
+
+for script_file in $script_files; do
+    if ! [ -f "$script_file" ]; then
+        tbd_loge "$script_file: input file not found"
+        continue
+    fi
+
+    # remove .sh extension from final tool name    
+    out_file=$out_dir/$(basename -- ${script_file%.sh})
+
+    num_header_lines=$(awk '/-- END OF HEADER --/{ print NR; exit }' "$script_file")
+    if [ -z "$num_header_lines" ]; then
+        if $process_only; then
+            continue
+        fi
+
+        if cp "$script_file" "$out_file"; then
+            tbd_logi "$script_file: copied"
+        else
+            tbd_loge "$script_file: failed to copy"
+        fi
+    else
+        sourced_scripts=()
+
+        # expect first path component of source to be variable to scripts path
+        regex="^\\s*source\\s+\"?\\\$[a-z][a-zA-Z0-9_]+/(([a-z][a-zA-Z0-9_]*/)*[a-z][a-zA-Z0-9_]*.sh)\"?\\s*$"
+        header=$(head -n $num_header_lines "$script_file")
+
+        # search for 'source' commands in header part of script
+        while read line; do
+          if [[ "$line" =~ $regex ]]
+          then
+              sourced_script="${BASH_REMATCH[1]}"
+              sourced_scripts+=("$sourced_script")
+              tbd_logv "adding $sourced_script to baked script"
+          fi
+        done <<<"$header"
+
+        if ! echo "#!/usr/bin/env bash" >  "$out_file"; then
+          tbd_loge "$script_file: failed to create/overwrite script stub: $out_file"
+          continue
+        fi
+
+        has_error=false
+        for relative_header_path in "${sourced_scripts[@]}"; do
+          header_file="$scripts_srcs_dir/$relative_header_path"
+          if ! cat "$header_file" >> "$out_file"; then
+            tbd_loge "$script_file: failed to append imported file: $header_file"
+            has_error=true
+            break
+          fi
+        done
+
+        if $has_error; then
+          continue
+        fi
+
+        if ! tail -n +$num_header_lines "$script_file" >> "$out_file"; then
+            tbd_loge "$script_file: failed to append header src: $header_file"
+            continue
+        fi
+
+        if ! chmod +x "$out_file"; then
+          tbd_loge "$script_file: failed to ensure script file is executable"
+          continue
+        fi
+
+        tbd_logi "$script_file: baked"
+    fi
+done