87 lines
1.3 KiB
Bash
Executable File
87 lines
1.3 KiB
Bash
Executable File
#!/bin/bash
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set -euo pipefail
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name="$1"
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f1="$2"
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f2="$5"
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name1="a/$name"
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name2="b/$name"
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ext="${name##*.}"
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if [ "$f1" = /dev/null ]
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then
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name1=/dev/null
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fi
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if [ "$f2" = /dev/null ]
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then
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name2=/dev/null
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fi
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if diff "$f1" "$f2" >/dev/null
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then
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exit 0
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fi
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exif() {
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if [ "$1" = /dev/null ]
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then
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echo /dev/null
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return
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fi
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local b=$(basename "$1")
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local d=$(mktemp -t "$b")
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exiftool "$1" | grep -v "File Name" | \
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grep -v "Directory" | \
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grep -v "File Inode Change" | \
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grep -v "File Modification Date/Time" | \
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grep -v "File Permissions" \
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>"$d"
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echo "$d"
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}
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diff_clean_names() {
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diff -u "$1" --label "$name1" "$2" --label "$name2" || true
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}
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if which -s exiftool
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then
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d1=$(exif "$f1")
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d2=$(exif "$f2")
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diff_clean_names "$d1" "$d2"
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else
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diff_clean_names "$f1" "$f2"
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fi
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if [ -z "${GIT_DIFF_IMAGE_ENABLED-}" ] || \
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! which -s compare || \
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! which -s montage
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then
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exit 0
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fi
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if compare "$f1" "$f2" /dev/null
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then
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exit 0
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fi
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bn=$(basename "$f1")
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destfile=$(mktemp -t "$bn").png
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fuzz=
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if [ "$ext" = "jpeg" ] || [ "$ext" = "jpg" ]
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then
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fuzz='-fuzz 5%'
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fi
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compare $fuzz "$f1" "$f2" png:- | \
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montage -geometry +4+4 "$f1" - "$f2" png:- >"$destfile" 2>/dev/null || true
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open "$destfile"
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