thodg/libgit2/tests/resources/generate_crlf.sh

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• Hash : a0ab90b8
  Author :
  Date : 2018-12-01T21:53:07
  

  crlf: re-use existing crlf script to create odb Re-use the existing crlf data generation script for creating the to-odb dataset. Also, store the actual file contents instead of the ID so that we can identify differences instead of detecting that differences exist.

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• tests/resources/generate_crlf.sh

• #!/usr/bin/env bash
  #
  # This script will generate the test corpus for CR/LF data using git;
  # we create files with all possible line ending varieties (all LF, all
  # CRLF, mixed, etc) on all the possible line ending configurations
  # (`core.autocrlf=true`, `text=auto` in gitattributes, etc).  This
  # allows us to validate that our configuration will match byte-for-byte
  # the configuration that git produces.
  #
  # To update the test resource data, from the test resource directory:
  #     git rm -r ./crlf_data/{posix,windows}
  #     sh ./generate_crlf.sh ./crlf ./crlf_data /tmp/crlf_gitdirs
  #     git add ./crlf_data/{posix,windows}
  
  set -e
  
  if [ "$1" == "" -o "$2" == "" ]; then
  	echo "usage: $0 crlfrepo directory [tempdir]"
  	exit 1
  fi
  
  input=$1
  output=$2
  tempdir=$3
  
  set -u
  
  create_to_workdir_data() {
  	local input=$1
  	local output=$2
  	local tempdir=$3
  	local systype=$4
  	local autocrlf=$5
  	local attr=$6
  
  	local worktree="${output}/${systype}_to_workdir/autocrlf_${autocrlf}"
  
  	if [ "$attr" != "" ]; then
  		local attrdir=`echo $attr | sed -e "s/ /,/g" | sed -e "s/=/_/g"`
  		worktree="${worktree},${attrdir}"
  	fi
  
  	if [ "$tempdir" = "" ]; then
  		local gitdir="${worktree}/.git"
  	else
  		local gitdir="${tempdir}/generate_crlf_${RANDOM}"
  	fi
  
  	echo "Creating ${worktree}"
  	mkdir -p "${worktree}"
  
  	git clone --no-checkout --quiet --bare "${input}/.gitted" "${gitdir}"
  	git --work-tree="${worktree}" --git-dir="${gitdir}" config core.autocrlf ${autocrlf}
  
  	if [ "$attr" != "" ]; then
  		echo "* ${attr}" >> "${worktree}/.gitattributes"
  	fi
  
  	git --work-tree="${worktree}" --git-dir="${gitdir}" checkout HEAD
  
  	if [ "$attr" != "" ]; then
  		rm "${worktree}/.gitattributes"
  	fi
  
  	if [ "$tempdir" != "" ]; then
  		rm -rf "${gitdir}"
  	fi
  }
  
  create_to_odb_data() {
  	local input=$1
  	local output=$2
  	local tempdir=$3
  	local systype=$4
  	local autocrlf=$5
  	local safecrlf=$6
  	local attr=$7
  
  	local destdir="${output}/${systype}_to_odb/autocrlf_${autocrlf},safecrlf_${safecrlf}"
  
  	if [ "$attr" != "" ]; then
  		local attrdir=`echo $attr | sed -e "s/ /,/g" | sed -e "s/=/_/g"`
  		destdir="${destdir},${attrdir}"
  	fi
  
  	if [ "$tempdir" = "" ]; then
  		local workdir="${destdir}/_workdir"
  	else
  		local workdir="${tempdir}/generate_crlf_${RANDOM}"
  	fi
  
  	echo "Creating ${destdir}"
  	mkdir -p "${destdir}"
  
  	git init "${workdir}" >/dev/null
  	git --work-tree="${workdir}" --git-dir="${workdir}/.git" config core.autocrlf "${autocrlf}"
  	git --work-tree="${workdir}" --git-dir="${workdir}/.git" config core.safecrlf "${safecrlf}"
  
  	if [ "$attr" != "" ]; then
  		echo "* ${attr}" > "${workdir}/.gitattributes"
  	fi
  
  	cp ${input}/* ${workdir}
  
  	for path in ${workdir}/*; do
  		filename=$(basename $path)
  		failed=""
  		output=$(git --work-tree="${workdir}" --git-dir="${workdir}/.git" add ${filename} 2>&1) || failed=1
  
  		if [ ! -z "${failed}" -a "${output:0:35}" == "fatal: LF would be replaced by CRLF" ]; then
  			echo "LF would be replaced by CRLF in '${filename}'" > "${destdir}/${filename}.fail"
  		elif [ ! -z "${failed}" -a "${output:0:35}" == "fatal: CRLF would be replaced by LF" ]; then
  			echo "CRLF would be replaced by LF in '${filename}'" > "${destdir}/${filename}.fail"
  		elif [ ! -z "${failed}" ]; then
  			echo "failed to add ${filename}: ${output}" 1>&2
  			exit 1
  		else
  			git --work-tree="${workdir}" --git-dir="${workdir}/.git" cat-file blob ":${filename}" > "${destdir}/${filename}"
  		fi
  	done
  
  	if [ "$tempdir" != "" ]; then
  		rm -rf "${workdir}"
  	fi
  }
  
  if [[ `uname -s` == MINGW* ]]; then
  	systype="windows"
  else
  	systype="posix"
  fi
  
  for autocrlf in true false input; do
  	for attr in "" text text=auto -text crlf -crlf eol=lf eol=crlf \
  		"text eol=lf" "text eol=crlf" \
  		"text=auto eol=lf" "text=auto eol=crlf"; do
  
  		create_to_workdir_data "${input}" "${output}" "${tempdir}" \
  			"${systype}" "${autocrlf}" "${attr}"
  
  		for safecrlf in true false warn; do
  			create_to_odb_data "${input}" "${output}" "${tempdir}" \
  				"${systype}" "${autocrlf}" "${safecrlf}" "${attr}"
  		done
  	done
  done
  
  

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