Rework main script

run.sh

@@ -5,56 +5,27 @@ NULLPREFIX="    "
 
 echo -e "$ECHOPREFIX Hello, this is \033[31mtexbox\033[0m"
 
-if test "$(ls -A /tex)"; then
+if ! test "$(ls -A /tex)"; then
-    # Directory not empty - user mounted directory \o/
-    if [ -z "$TARGET" ]; then
-        # target unset.
-        TARGET="$(find /tex -iname '*.tex' | head --lines 1)"
-    fi
-
-    # Build in build dir
-    BUILD=build-$(date | sha256sum | cut -f1 -d' ')
-    mkdir $BUILD
-    cd $BUILD
-
-    echo "$ECHOPREFIX Targetting $TARGET"
-
-    # Build the PDF
-    texi2pdf $TARGET
-
-    cd ..
-
-    if [ "$?" -eq "0" ]; then
-        echo "$ECHOPREFIX Created the PDF!"
-        echo "$NULLPREFIX Here are the results:"
-        ls $BUILD/*.pdf
-        rm ./last-successful 2>/dev/null
-        ln -sf $BUILD ./last-successful
-    else
-        echo "$ECHOPREFIX Build failed."
-        echo "$NULLPREFIX Have a look at the logs:"
-        ls $BUILD/*.log
-        rm ./last-failed 2>/dev/null
-        ln -sf $BUILD ./last-failed
-    fi
-
-    # Delete old symlink
-    rm ./current-build 2>/dev/null
-
-    # Set 'current' symlink
-    ln -sf $BUILD ./current-build
-
-    # Apply the access rights to build folder as found on the target file
-    chmod --silent --reference=$TARGET -R $BUILD ./current-build
-    chmod --silent --reference=$TARGET -R $BUILD ./last-successful
-    chmod --silent --reference=$TARGET -R $BUILD ./last-failed
-    chmod +x $BUILD
-    chown --silent --reference=$TARGET -R $BUILD ./current-build
-    chown --silent --reference=$TARGET -R $BUILD ./last-successful
-    chown --silent --reference=$TARGET -R $BUILD ./last-failed
-else
     # Directory is empty
     echo "$ECHOPREFIX Please mount your directory to /tex"
     echo "$NULLPREFIX See you soon."
+    exit 1
 fi
 
+# Directory not empty - user mounted directory \o/
+if [ -z "$TARGET" ]; then
+    # target unset.
+    TARGET="$(find /tex -iname '*.tex' | head --lines 1)"
+fi
+
+# Build in build dir
+BUILD="$(mktemp --directory)"
+cd "$BUILD"
+
+echo "$ECHOPREFIX Targetting $TARGET"
+
+# Build the PDF
+texi2pdf $TARGET
+
+# Relocate resulting PDF
+find "$BUILD" -iname "*.pdf" -exec chmod --silent --reference=$TARGET {} \; -exec chown --silent --reference=$TARGET -R $BUILD {} \; -exec mv {} /tex \;