forked from mirror/nnn
62 lines
1.8 KiB
Bash
Executable file
62 lines
1.8 KiB
Bash
Executable file
#!/usr/bin/env sh
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# Description: Show diff of 2 directories or multiple files in vimdiff
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#
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# Notes:
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# 1. vim may show the warning: 'Vim: Warning: Input is not from a terminal'
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# press 'Enter' to ignore and proceed.
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# 2. if only one file is in selection, the hovered file is considered as the
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# second file to diff with
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#
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# Shell: POSIX compliant
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# Authors: Arun Prakash Jana, ath3
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selection=${NNN_SEL:-${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.selection}
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if type nvim >/dev/null 2>&1; then
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diffcmd="nvim -d"
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else
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diffcmd="vimdiff +0"
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fi
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dirdiff() {
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dir1=$(mktemp "${TMPDIR:-/tmp}"/nnn-"$(basename "$1")".XXXXXXXX)
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dir2=$(mktemp "${TMPDIR:-/tmp}"/nnn-"$(basename "$2")".XXXXXXXX)
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ls -A1 "$1" > "$dir1"
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ls -A1 "$2" > "$dir2"
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$diffcmd "$dir1" "$dir2"
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rm -- "$dir1" "$dir2"
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}
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if [ -s "$selection" ]; then
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arr=$(tr '\0' '\n' < "$selection")
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if [ "$(echo "$arr" | wc -l)" -gt 1 ]; then
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f1="$(echo "$arr" | sed -n '1p')"
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f2="$(echo "$arr" | sed -n '2p')"
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if [ -d "$f1" ] && [ -d "$f2" ]; then
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dirdiff "$f1" "$f2"
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else
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# If xargs supports the -o option, use it to get rid of:
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# Vim: Warning: Input is not from a terminal
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# xargs -0 -o vimdiff < $selection
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eval xargs -0 "$diffcmd" < "$selection"
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fi
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elif [ -n "$1" ]; then
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f1="$(echo "$arr" | sed -n '1p')"
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if [ -d "$f1" ] && [ -d "$1" ]; then
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dirdiff "$f1" "$1"
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elif [ -f "$f1" ] && [ -f "$1" ]; then
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$diffcmd "$f1" "$1"
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else
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echo "cannot compare file with directory"
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fi
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else
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echo "needs at least 2 files or directories selected for comparison"
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fi
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fi
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# Clear selection
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if [ -p "$NNN_PIPE" ]; then
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printf "-" > "$NNN_PIPE"
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fi
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