Fix tput failures in CI/CD environments

.github/workflows/analyze.yml

@@ -18,3 +18,6 @@ jobs:
       - name: 'Analyzing Code Quality'
         run: shellcheck ./*.sh extras/*.sh -x
 
+      - name: 'Testing CI/CD Compatibility'
+        run: bash extras/test-ci-compatibility.sh
+

extras/test-ci-compatibility.sh

@@ -0,0 +1,80 @@
+#!/usr/bin/env bash
+# CI/CD compatibility test for script-dialog library
+# Tests that the library can be sourced without errors in headless environments
+
+set -e  # Exit on any error
+
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+EXIT_CODE=0
+
+echo "Testing CI/CD compatibility..."
+echo ""
+
+# Test 1: With TERM=dumb (common in CI environments)
+echo "Test 1: TERM=dumb (common in CI)"
+export TERM=dumb
+# shellcheck source=../script-dialog.sh
+# shellcheck disable=SC1091  # Source file path is constructed at runtime
+if output=$(source "${SCRIPT_DIR}"/../script-dialog.sh 2>&1); then
+    if echo "$output" | grep -iq "tput.*error\|no value for"; then
+        echo "  ✗ FAILED: tput errors detected in output"
+        echo "$output"
+        EXIT_CODE=1
+    else
+        echo "  ✓ PASSED: Library loaded without tput errors"
+    fi
+else
+    echo "  ✗ FAILED: Library failed to source"
+    EXIT_CODE=1
+fi
+
+# Clean up for next test
+unset INTERFACE bold red yellow normal underline
+
+# Test 2: With TERM unset (also common in CI)
+echo "Test 2: TERM unset"
+unset TERM
+# shellcheck source=../script-dialog.sh
+# shellcheck disable=SC1091  # Source file path is constructed at runtime
+if output=$(source "${SCRIPT_DIR}"/../script-dialog.sh 2>&1); then
+    if echo "$output" | grep -iq "tput.*error\|no value for"; then
+        echo "  ✗ FAILED: tput errors detected in output"
+        echo "$output"
+        EXIT_CODE=1
+    else
+        echo "  ✓ PASSED: Library loaded without tput errors"
+    fi
+else
+    echo "  ✗ FAILED: Library failed to source"
+    EXIT_CODE=1
+fi
+
+# Clean up for next test
+unset INTERFACE bold red yellow normal underline
+
+# Test 3: With normal TERM (ensure we didn't break normal usage)
+echo "Test 3: TERM=xterm-256color (normal usage)"
+export TERM=xterm-256color
+# shellcheck source=../script-dialog.sh
+# shellcheck disable=SC1091  # Source file path is constructed at runtime
+if output=$(source "${SCRIPT_DIR}"/../script-dialog.sh 2>&1); then
+    if echo "$output" | grep -iq "error"; then
+        echo "  ✗ FAILED: Unexpected errors in output"
+        echo "$output"
+        EXIT_CODE=1
+    else
+        echo "  ✓ PASSED: Library loaded successfully"
+    fi
+else
+    echo "  ✗ FAILED: Library failed to source"
+    EXIT_CODE=1
+fi
+
+echo ""
+if [ $EXIT_CODE -eq 0 ]; then
+    echo "All CI/CD compatibility tests passed ✓"
+else
+    echo "Some CI/CD compatibility tests failed ✗"
+fi
+
+exit $EXIT_CODE

helpers.sh

@@ -76,13 +76,13 @@ function _calculate-gui-title() {
 # 	n/a
 #######################################
 function _calculate-tui-max() {
-  if ! command -v >/dev/null tput; then
+  if ! command -v tput >/dev/null 2>&1; then
     return;
   fi
 
   if [ "$GUI" == "false" ] ; then
-    MAX_LINES=$(tput lines)
-    MAX_COLS=$(tput cols)
+    MAX_LINES=$(tput lines 2>/dev/null)
+    MAX_COLS=$(tput cols 2>/dev/null)
   fi
 
   # Never really fill the whole screen space

init.sh

@@ -188,18 +188,23 @@ XDG_ICO_CALENDAR="x-office-calendar"
 XDG_ICO_DOCUMENT="x-office-document"
 
 # see if it supports colors...
-ncolors=$(tput colors)
+if command -v tput >/dev/null 2>&1; then
+  ncolors=$(tput colors 2>/dev/null)
+else
+  ncolors=""
+fi
+
 if [ "$NOCOLORS" == "" ] && [ -n "$ncolors" ] && [ "$ncolors" -ge 8 ]; then
-  bold="$(tput bold)"
-  underline="$(tput smul)"
-  #standout="$(tput smso)"
-  normal="$(tput sgr0)"
-  red="$(tput setaf 1)"
-  #green="$(tput setaf 2)"
-  yellow="$(tput setaf 3)"
-  #blue="$(tput setaf 4)"
-  #magenta="$(tput setaf 5)"
-  #cyan="$(tput setaf 6)"
+  bold="$(tput bold 2>/dev/null)"
+  underline="$(tput smul 2>/dev/null)"
+  #standout="$(tput smso 2>/dev/null)"
+  normal="$(tput sgr0 2>/dev/null)"
+  red="$(tput setaf 1 2>/dev/null)"
+  #green="$(tput setaf 2 2>/dev/null)"
+  yellow="$(tput setaf 3 2>/dev/null)"
+  #blue="$(tput setaf 4 2>/dev/null)"
+  #magenta="$(tput setaf 5 2>/dev/null)"
+  #cyan="$(tput setaf 6 2>/dev/null)"
 else
   bold=""
   underline=""