82 lines
1.4 KiB
Bash
Executable File
82 lines
1.4 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-/dev/null}"
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f2="${5-/dev/null}"
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name1="a/$name"
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name2="b/$name"
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if [ "$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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readlink_f()
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{
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if [ $(uname) = 'Darwin' ]
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then
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local f=$(readlink "$1")
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if [ -z "$f" ]
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then
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f="$1"
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fi
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local d=$(dirname "$f")
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local b=$(basename "$f")
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if [ -d "$d" ]
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then
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(cd "$d" && echo "$(pwd -P)/$b")
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elif [[ "$d" = /* ]]
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then
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echo "$f"
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elif [[ "$d" = ./* ]]
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then
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echo "$(pwd -P)/${f/.\//}"
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else
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echo "$(pwd -P)/$f"
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fi
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else
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readlink -f "$1"
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fi
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}
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thisdir="$(dirname $(readlink_f "$0"))"
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e_flag=''
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if [ -z "${GIT_DIFF_IMAGE_ENABLED-}" ] || \
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! which compare > /dev/null || \
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! which montage > /dev/null
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then
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e_flag='-e'
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fi
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o_flag=''
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if [ -n "${GIT_DIFF_IMAGE_OUTPUT_DIR-}" ]
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then
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mkdir -p "$GIT_DIFF_IMAGE_OUTPUT_DIR"
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destfile=''
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if [ "$name1" = '/dev/null' ]
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then
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destfile=$(basename "$name1")
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else
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destfile=$(basename "$name2")
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fi
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o_flag="-o $GIT_DIFF_IMAGE_OUTPUT_DIR/$destfile"
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fi
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exec "$thisdir/diff-image" $e_flag $o_flag -n "$name1" -N "$name2" "$f1" "$f2"
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