58 lines
2 KiB
Bash
Executable file
58 lines
2 KiB
Bash
Executable file
#!/bin/bash
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cache_dir=/tmp/clipmenu.$USER/
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mkdir -p -m0700 "$cache_dir"
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declare -A last_data
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declare -A last_filename
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while sleep "${CLIPMENUD_SLEEP:-0.5}"; do
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for selection in clipboard primary; do
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if type -p xsel >/dev/null 2>&1; then
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data=$(xsel --"$selection"; printf x)
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# Take ownership of the clipboard, in case the original application
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# is unable to serve the clipboard request (due to being suspended,
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# etc).
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#
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# Primary is excluded from the change of ownership as applications
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# sometimes act up if clipboard focus is taken away from them --
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# for example, urxvt will unhilight text, which is undesirable.
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if [[ $selection != primary ]]; then
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xsel --"$selection" | xsel -i --"$selection"
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fi
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else
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data=$(xclip -o -sel "$selection"; printf x)
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# See above comments about taking ownership of the clipboard for
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# context.
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if [[ $selection != primary ]]; then
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xclip -o -sel "$selection" | xclip -i -sel "$selection"
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fi
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fi
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# We add and remove the x so that trailing newlines are not stripped.
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# Otherwise, they would be stripped by the very nature of how POSIX
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# defines command substitution.
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data=${data%x}
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[[ $data == *[^[:blank:]]* ]] || continue
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[[ ${last_data[$selection]} == "$data" ]] && continue
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# If we were in the middle of doing a selection when the previous poll
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# ran, then we may have got a partial clip.
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possible_partial=${last_data[$selection]}
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if [[ $possible_partial && $data == "$possible_partial"* ]]; then
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rm -- "${last_filename[$selection]}"
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fi
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md5=$(md5sum <<< "$data")
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md5=${md5%% *}
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filename="$cache_dir/$(LC_ALL=C date +%F-%H-%M-%S)-$md5"
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last_data[$selection]=$data
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last_filename[$selection]=$filename
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printf '%s' "$data" > "$filename"
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done
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done
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