dotfiles/home/bin/scf

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#!/usr/bin/env bash
# Take a screenshot of a selected area and upload it somewhere.
#
# Requires:
# * scrot
# * xclip
### CHANGE THESE FUNCTIONS:
upload() {
# Given a filepath and a target name, upload the screenshot
chmod +r "$1"
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scp "$1" "root@tyrel.dev:/www/tyrel.pw/s/$2"
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}
url() {
# Given a target name, echo the expected URL of the uploaded screenshot
echo "https://tyrel.pw/s/$1"
}
### (End)
screenshot() {
if $(which maim &> /dev/null); then
maim $1 || return -1
elif $(which scrot &> /dev/null); then
scrot -s $1 || return -1
elif $(which screencapture &> /dev/null); then
screencapture -i $1 || return -1
else
echo "No screenshot utility found. Install scrot."
return -1
fi
}
clipboard() {
if $(which xclip &> /dev/null); then
echo $1 | xclip -r -selection clipboard
elif $(which pbcopy &> /dev/null); then
echo $1 | pbcopy
else
echo "No clipboard utility found. Install xclip."
return -1
fi
}
notify() {
if $(which osascript &> /dev/null); then
osascript -e "display notification \"$2\" with title \"$1\""
elif $(which notify-send &> /dev/null); then
notify-send "$1" "$2"
else
echo "Notification not supported, skipped: $1: $2"
return -1
fi
}
fail() {
echo "$2"
exit $1
}
# Fail early
set -e
# If a path is given, use that instead of taking a screenshot
target="$1"
name="$(date '+%d')"
tmppath="$(mktemp -t ss.XXXX.png)" || fail 1 "failed to allocate a temporary file"
# Make it hard to guess
random_string=$(head -c512 /dev/urandom | shasum | head -c4)
# Compose full filename
filename="${name}_${random_string}.png"
if [[ "${target}" ]]; then
cp -p "${target}" "${tmppath}"
else
# Take the screenshot
screenshot "${tmppath}" || fail 2 "failed to take screenshot"
fi
# Clear clipboard
clipboard " "
# Upload it
url=$(url "${filename}")
echo "Uploading: $url"
upload "${tmppath}" "${filename}" && rm "${tmppath}" || fail 3 "failed to upload ${tmppath}"
# Copy to clipboard
clipboard "${url}"
echo "Copied to clipboard."
# Clean up
if [[ -f "${tmppath}" ]]; then
rm "${tmppath}"
fi
notify "Uploaded Screenshot" "${url}"