#18 changed error handling in run_latex.sh

lib/shell/run_latex.sh

@@ -11,14 +11,16 @@ run_latex() {
     # Set output directory
     # (If no third argument is provided, use the default)
     if [ -n "$3" ]; then
-        outputdir="$3"
+        OUTPUT_DIR="$3"
     else
-        outputdir="../output"
+        OUTPUT_DIR="../output"
     fi
 
     # Clean up
     cleanup() {
-        mv "${programname}.pdf" ${outputdir}
+        if [ -f "${programname}.pdf" ]; then
+        mv "${programname}.pdf" "${OUTPUT_DIR}"
+        fi
         rm -f "${programname}.aux" \
               "${programname}.bbl" \
               "${programname}.blg" \
@@ -35,9 +37,57 @@ run_latex() {
     # Ensure cleanup is called on exit
     trap 'cleanup' EXIT
 
-
-    echo "Executing: latexmk ${programname}.tex -pdf -bibtex"
-    (latexmk "${programname}.tex" -pdf -bibtex >> "${logfile}" 2>&1)
+    # Check if latexmk command exists
+    if ! command -v latexmk &> /dev/null; then
+        error_time=$(date '+%Y-%m-%d %H:%M:%S')
+        echo -e "\033[0;31mProgram error\033[0m at ${error_time}: latexmk not found. Ensure LaTeX is installed." 
+        echo "Program Error at ${error_time}: latexmk not found." >> "${logfile}"
+        return 1
+    fi
+
+    # capture the content of output folder before running the script
+    files_before=$(ls -1 "$OUTPUT_DIR" | grep -v "make.log")
+
+    # log start time for the script
+    echo -e "\nScript ${programname}.tex in latexmk -pdf -bibtex started at $(date '+%Y-%m-%d %H:%M:%S')" | tee -a "${logfile}"
+
+    # run command and capture both stdout and stderr in the output variable
+    output=$(latexmk -interaction=nonstopmode -f "${programname}.tex" -pdf -bibtex 2>&1)
+    return_code=$? # capture the exit status 
+
+    # perform cleanup
+    cleanup
+
+    # capture the content of output folder after running the script
+    files_after=$(ls -1 "$OUTPUT_DIR" | grep -v "make.log")
+
+    # determine the new files that were created
+    created_files=$(comm -13 <(echo "$files_before") <(echo "$files_after"))
+
+    # report on errors or success and display the output
+    if [ $return_code -ne 0 ]; then
+        error_time=$(date '+%Y-%m-%d %H:%M:%S')
+        echo -e "\033[0;31mWarning\033[0m: ${programname}.tex failed at ${error_time}. Check log for details." # display error warning in terminal
+        echo "Error in ${programname}.tex at ${error_time}: $output" >> "${logfile}"  # log error output
+        if [ -n "$created_files" ]; then
+            echo -e "\033[0;31mWarning\033[0m: there was an error, but files where created. Check log." 
+            echo -e "\nWarning: There was an error, but these files were created: $created_files" >> "${logfile}"  # log created files
+        fi
+        exit 1 
+    else
+        echo "Script ${programname}.tex finished successfully at $(date '+%Y-%m-%d %H:%M:%S')" | tee -a "${logfile}"
+        echo "Output: $output" >> "${logfile}"  # log output
+
+        if [ -n "$created_files" ]; then
+        echo -e "\nThe following files were created in ${programname}.tex:"  >> "${logfile}" 
+        echo "$created_files" >> "${logfile}" # list files in output folder
+        fi
+
+        if [ ! -f "${OUTPUT_DIR}/${programname}.pdf" ]; then
+            echo -e "\033[0;31mWarning\033[0m: No PDF file was created. Check output in log." 
+            echo -e "\nWarning: No PDF file was created. Check output above." >> "${logfile}"  # log warning
+        fi
+    fi
 
 }