diff --git a/scripts/git-run-all-in-branches.sh b/scripts/git-run-all-in-branches.sh
new file mode 100644
index 0000000..fc25256
--- /dev/null
+++ b/scripts/git-run-all-in-branches.sh
@@ -0,0 +1,157 @@
+#!/usr/bin/env bash
+
+# Merge main branch into all UI branches
+
+git config user.email "iva2k@yahoo.com"
+git config user.name "IVA2K"
+
+COMMAND=(pnpm run all)
+# COMMAND=(pnpm run check)
+
+SOURCE_BRANCH="main"
+LOGFILE=log.runallall
+
+STOP_ON_ERROR=0
+
+GOOD_SKIP_TARGET_BRANCHES=(
+)
+TARGET_BRANCHES=(
+  "main"
+  "histoire"
+  "storybook"
+  "ui-bulma"
+  "ui-tailwindcss"
+)
+BROKEN_TARGET_BRANCHES=(
+  "ui-agnostic"
+  "ui-bootstrap"
+  "ui-carbon"
+  "ui-framework7"
+  "ui-konsta"
+  "ui-shoelace"
+  "ui-svelteui"
+)
+
+# alias decolor='sed "s/\x1B\[\([0-9]\{1,2\}\(;[0-9]\{1,2\}\)\?\)\?[mGK]//g"'
+function decolor() {
+  local input
+  input="$1"
+  echo -e "$input" | sed 's/\x1B\[\([0-9]\{1,2\}\(;[0-9]\{1,2\}\)\?\)\?[mGK]//g'
+}
+
+function main() {
+  outputs=()
+  errors=()
+  for i in "${!TARGET_BRANCHES[@]}"; do 
+    TARGET_BRANCH="${TARGET_BRANCHES[$i]}"
+    LOGFILE_I="$LOGFILE.$TARGET_BRANCH"
+    (rm "$LOGFILE_I" 2>/dev/null)
+    errors[i]="--"
+    outputs[i]="\033[31m(did not run)\033[36m"
+  done
+  # errors[0]=0 ;# for DEBUG only
+  # errors[1]=1 ;# for DEBUG only
+  echo "" >"$LOGFILE"
+
+  # Fetch the latest changes from the remote repository
+  git fetch origin
+
+  # Loop through each target branch and run command
+  tms_user=()
+  tms_system=()
+  tms_real=()
+  for i in "${!TARGET_BRANCHES[@]}"; do
+    # break ;# for DEBUG only
+    TARGET_BRANCH="${TARGET_BRANCHES[$i]}"
+    LOGFILE_I="$LOGFILE.$TARGET_BRANCH"
+    # Switch to the target branch
+    echo "CHECKOUT $TARGET_BRANCH" | tee -a "$LOGFILE" | tee "$LOGFILE_I"
+    git checkout "$TARGET_BRANCH" 1> >(tee -a "$LOGFILE_I") 2> >(tee -a "$LOGFILE_I" >&2)
+
+    echo "BEGIN command \"${COMMAND[*]}\" in branch \"$TARGET_BRANCH\"..." | tee -a "$LOGFILE"
+    # output=$("${COMMAND[@]}" >>"$LOGFILE_I" 2>&1)
+    # tm "${COMMAND[@]}" >>"$LOGFILE_I" 2>&1
+    # output=$(tm "${COMMAND[@]}" >>"$LOGFILE_I" 2>&1)
+
+    # Run command and collect it's real/user/system times (in seconds), using `time` with `TIMEFORMAT`
+    TIMEFORMAT="%3R %3U %3S"
+    t=$( { time "${COMMAND[@]}" >>"$LOGFILE_I" 2>&1; } 2>&1 )  # Captures time output into t.
+    error=$?
+    # echo "DEBUG: error=$error, t=$t"
+    IFS=' ' read -r real user system <<< "$t"
+    tms_real[i]=$real
+    tms_user[i]=$user
+    tms_system[i]=$system
+    # echo "DEBUG: real=$real user=$user system: $system"
+    outputs[i]=""
+    errors[i]="$error"
+    # TODO: (now) Check for errors and stop if any.
+    if [ "$error" -ne 0 ] ; then
+      [ "$output" == "" ] && output=$(grep -i "error" "$LOGFILE_I" | tail -n1)
+      outputs[i]="$output"
+      if [ $STOP_ON_ERROR -ne 0 ]; then
+        echo "ERROR $error in branch \"$TARGET_BRANCH\", stopping." | tee -a "$LOGFILE"
+        break
+      else
+        echo "ERROR $error in branch \"$TARGET_BRANCH\", cleaning up and continuing." | tee -a "$LOGFILE"
+        git reset --hard "origin/$TARGET_BRANCH" 1> >(tee -a "$LOGFILE_I") 2> >(tee -a "$LOGFILE_I" >&2)
+      fi
+    fi
+
+    echo "DONE  command \"${COMMAND[*]}\" in branch \"$TARGET_BRANCH\", error=$error" | tee -a "$LOGFILE"
+    echo | tee -a "$LOGFILE"
+  done
+
+  (git checkout "$SOURCE_BRANCH")
+
+  result=0
+  errors_cnt=0
+  pass_cnt=0
+  total_cnt=0
+  total_time=0
+  FORMAT="| %-20s | %6s | %-30s | %9s | %-100s |"
+  HEAD=$(printf "$FORMAT" "Branch" "Error" "Log File" "Time (s)" "Output")
+  LINE=$(printf "$FORMAT" "" "" "" "")
+  LINE="${LINE// /-}"
+  echo | tee -a "$LOGFILE"
+  echo "SUMMARY for command \"${COMMAND[*]}\" in all target branches:" | tee -a "$LOGFILE"
+  echo "$LINE" | tee -a "$LOGFILE"
+  echo "$HEAD" | tee -a "$LOGFILE"
+  echo "$LINE" | tee -a "$LOGFILE"
+  for i in "${!TARGET_BRANCHES[@]}"; do 
+    TARGET_BRANCH="${TARGET_BRANCHES[$i]}"
+    LOGFILE_I="$LOGFILE.$TARGET_BRANCH"
+    error="${errors[$i]}"
+    output=$(decolor "${outputs[$i]}")
+    total_cnt=$((total_cnt+1))
+    color_red=0
+    if [ "$error" == "0" ]; then
+      pass_cnt=$((pass_cnt+1))
+    elif [ "$error" != "--" ]; then
+      result=1
+      color_red=1
+      errors_cnt=$((errors_cnt+1))
+    fi
+    total_time=$(awk "BEGIN {print ($total_time+${tms_real[$i]})}")
+    [ "$color_red" -ne 0 ] && echo -n -e "\033[31m"
+    printf "$FORMAT\n" "$TARGET_BRANCH" "$error" "$LOGFILE_I" "${tms_real[$i]}" "${output:0:100}" | tee -a "$LOGFILE"
+    [ "$color_red" -ne 0 ] && echo -n -e "\033[36m"
+  done
+  echo "$LINE" | tee -a "$LOGFILE"
+  printf "$FORMAT\n" "Total:" "$errors_cnt" "$total_cnt" "$total_time" "" | tee -a "$LOGFILE"
+  echo "$LINE" | tee -a "$LOGFILE"
+  echo | tee -a "$LOGFILE"
+
+  total_time_m=$(awk "BEGIN {print ($total_time / 60)}")
+  total_time_m="${total_time_m%%.*}"
+  total_time_h=$(awk "BEGIN {print ($total_time_m / 60)}")
+  total_time_h="${total_time_h%%.*}"
+  total_time_s=$(awk "BEGIN {print ($total_time - 60 * $total_time_m - 60 * 60 * $total_time_h )}")
+  
+  echo "DONE command \"${COMMAND[*]}\" in $total_cnt target branches, $pass_cnt passed, $errors_cnt error(s), $total_time_h:$total_time_m:$total_time_s elapsed time." | tee -a "$LOGFILE"
+  echo | tee -a "$LOGFILE"
+
+  return $result
+}
+
+main "@$"