performance fix for the shell checker

sample_screenshotter.sh

@@ -66,7 +66,83 @@ if [[ -f "${FILE}.png" ]]; then
             wl-copy < "${FILE}"
         else
             echo -en "Unknown display backend... Assuming Xorg and using xclip..."
+            #!/bin/bash
+
+# File Options
+IMAGEPATH="$HOME/Pictures/" # Where to store screenshots before they are deleted
+IMAGENAME="ass" # Not really important, tells this script which image to send and delete
+FILE="$IMAGEPATH$IMAGENAME" # for future convenience, please do not edit
+
+
+# Authentication
+# If left empty, a local screenshot will be taken and copied to your clipboard.
+KEY="" # Your ass upload token
+DOMAIN="" # Your upload domain (without http:// or https://)
+
+# helper function to take flameshot screenshots
+takeFlameshot () {
+    flameshot config -f "${IMAGENAME}"
+    flameshot gui -r -p "${IMAGEPATH}" > /dev/null
+}
+
+# helper function to take screenshots on wayland using grim + slurp for region capture
+takeGrimshot () {
+    grim -g "$(slurp)" "${FILE}.png"  > /dev/null
+}
+
+# decide on the screenshot tool(s) based on display backend
+if [[ "${XDG_SESSION_TYPE}" == x11 ]]; then
+    echo -en "Display backend detected as Xorg (x11), using Flameshot\n" # append new line so that Flameshot messages start at a new line
+    takeFlameshot # call for the flameshot function
+elif [[ "${XDG_SESSION_TYPE}" == wayland ]]; then
+    echo -en "Display backend detected as Wayland, using grim & slurp"
+    takeGrimshot # call for the grim function
+else
+    echo -en "Unknown display backend.\n Assuming Xorg and using Flameshot."
+    takeFlameshot > ./Flameshot.log # will be full of gibberish, but we try it anyway
+    echo -en "Done. Make sure you check for any errors and report them.\nLogfile located in $(pwd)"
+fi
+
+# check if the screenshot file actually exists before proceeding with uploading/copying to clipboard
+if [[ -f "${FILE}.png" ]]; then
+    # check if KEY and DOMAIN are correct,
+    # if they are, upload the file to the ass instance
+    # if not, copy the image to clipboard and exit
+    if [[ ( -z ${KEY+x} && -v ${DOMAIN+x} ) ]]; then
+        URL=$(curl -X POST \
+            -H "Content-Type: multipart/form-data" \
+            -H "Accept: application/json" \
+            -H "User-Agent: ShareX/13.4.0" \
+            -H "Authorization: $KEY" \
+            -F "file=@$FILE" "https://$DOMAIN/" | grep -Po '(?<="resource":")[^"]+')
+        if [[ "${XDG_SESSION_TYPE}" == x11 ]]; then
+            # printf instead of echo as echo appends a newline
+            printf "%s" "$URL" | xclip -sel clip # it is safe to use xclip on xorg, so we don't need wl-copy
+        elif [[ "${XDG_SESSION_TYPE}" == wayland ]]; then
+            # if desktop session is wayland instead of xclip, use wl-copy (wl-clipboard)
+            printf "%s" "$URL" | wl-copy
+        else
+            echo -en "Invalid desktop session!\n Exiting."
+            exit 1
+        fi
+        rm "${FILE}.png" # Delete the image locally
+    else
+        # If domain & key are not set, assume it is a local screenshot and copy the image directly to clipboard
+        if [[ "${XDG_SESSION_TYPE}" == x11 ]]; then # if display backend is x11, use xclip
             cat "${FILE}.png" | xclip -sel clip -target image/png
+        elif [[ "${XDG_SESSION_TYPE}" == wayland ]]; then # if display backend is wayland, use wl-clipboard (available on AUR or can be self-compiled)
+            wl-copy < "${FILE}"
+        else
+            echo -en "Unknown display backend... Assuming Xorg and using xclip..."
+            xclip -sel clip -target image/png < "${FILE}.png"
+        fi
+    fi
+    rm "${FILE}.png"
+else
+    # Abort screenshot if $FILE.png does not exist
+    echo -en "Target file was not found.\nAbording screenshot."
+fi
+
         fi
     fi
     rm "${FILE}.png"