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#!/usr/bin/env bash
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set -e
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# don't build diff-highlight if it's already in PATH
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if type diff-highlight >/dev/null 2>&1; then
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return
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fi
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REQUIRED_BUILD_FILES=(
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Makefile
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diff-highlight.perl
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DiffHighlight.pm
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)
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# create temp directory
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pushd "$(mktemp -d)" >/dev/null
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# fetch diff-highlight build files and build the binary
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for file in "${REQUIRED_BUILD_FILES[@]}"; do
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curl -s -O "https://git.kernel.org/pub/scm/git/git.git/plain/contrib/diff-highlight/${file}"
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done
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make --quiet
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# move the created script to ~/.bin, which is in PATH
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mv diff-highlight ~/.bin
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# remove the temp directory and move back to the previous directory
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rm -rf "$(pwd)"
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popd >/dev/null
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