Update re2c installer [skip appveyor]

Author: sergeyklay

.ci/install-re2c.sh

@@ -8,65 +8,64 @@
 # the LICENSE file that was distributed with this source code.
 
 if [ -z ${RE2C_VERSION+x} ]; then
-    >&2 echo "The RE2C_VERSION value is not set. Stop."
-    exit 1
+  >&2 echo "The RE2C_VERSION value is not set. Stop."
+  exit 1
 fi
 
 if [ "${RE2C_VERSION}" == "system" ]; then
-    echo "Use system re2c. Skip."
-    exit 0
+  echo "Use system re2c. Skip."
+  exit 0
 fi
 
 pkgname=re2c
-source="https://github.com/skvadrik/${pkgname}/releases/download/${RE2C_VERSION}/${pkgname}-${RE2C_VERSION}.tar.gz"
+source="https://github.com/skvadrik/${pkgname}/releases/download/${RE2C_VERSION}/${pkgname}-${RE2C_VERSION}.tar.xz"
 downloaddir="${HOME}/.cache/${pkgname}/${pkgname}-${RE2C_VERSION}"
 prefix="${HOME}/.local/opt/${pkgname}/${pkgname}-${RE2C_VERSION}"
 bindir="${prefix}/bin"
 
 if [ ! -f "${bindir}/re2c" ]; then
-	if [ ! -d `dirname ${downloaddir}` ]; then
-		mkdir -p `dirname ${downloaddir}`
-	fi
-
-	cd `dirname ${downloaddir}`
+  if [ ! -d `dirname ${downloaddir}` ]; then
+    mkdir -p `dirname ${downloaddir}`
+  fi
+  cd "$(dirname "$downloaddir")" || exit 1
 
-	if [ ! -f "${pkgname}-${RE2C_VERSION}.tar.gz" ]; then
-		curl -sSL "$source" -o "${pkgname}-${RE2C_VERSION}.tar.gz"
-	fi
+  if [ ! -f "${pkgname}-${RE2C_VERSION}.tar.xz" ]; then
+    curl -sSL "$source" -o "${pkgname}-${RE2C_VERSION}.tar.xz"
+  fi
 
-	if [ ! -f "${pkgname}-${RE2C_VERSION}.tar.gz" ]; then
-		>&2 echo "Unable to locate ${pkgname}-${RE2C_VERSION}.tar.gz file. Stop."
-		exit 1
-	fi
+  if [ ! -f "${pkgname}-${RE2C_VERSION}.tar.xz" ]; then
+    >&2 echo "Unable to locate ${pkgname}-${RE2C_VERSION}.tar.xz file. Stop."
+    exit 1
+  fi
 
-	if [ ! -d "${downloaddir}" ]; then
-		mkdir -p "${downloaddir}"
-		tar -zxf "${pkgname}-${RE2C_VERSION}.tar.gz"
-	fi
+  if [ ! -d "${downloaddir}" ]; then
+    mkdir -p "${downloaddir}"
+    tar -xf "${pkgname}-${RE2C_VERSION}.tar.xz" || exit 1
+  fi
 
-	if [ ! -d "${downloaddir}" ]; then
-		>&2 echo "Unable to locate re2c source. Stop."
-		exit 1
-	fi
+  if [ ! -d "${downloaddir}" ]; then
+    >&2 echo "Unable to locate re2c source. Stop."
+    exit 1
+  fi
 
-	if [ ! -d "${prefix}" ]; then
-		mkdir -p "${prefix}"
-	fi
+  if [ ! -d "${prefix}" ]; then
+    mkdir -p "${prefix}"
+  fi
 
-	cd "${downloaddir}"
-	./configure --prefix="${prefix}"
+  cd "${downloaddir}" || exit 1
+  ./configure --prefix="${prefix}"
 
-	make -j"$(getconf _NPROCESSORS_ONLN)"
-	make install
+  make -j"$(getconf _NPROCESSORS_ONLN)"
+  make install
 fi
 
 if [ ! -x "${bindir}/re2c" ]; then
-	>&2 echo "Unable to locate re2c executable. Stop."
-	exit 1
+  >&2 echo "Unable to locate re2c executable. Stop."
+  exit 1
 fi
 
-mkdir -p ${HOME}/bin
-ln -s "${bindir}/re2c" ${HOME}/bin/re2c
+mkdir -p "${HOME}/bin"
+ln -s "${bindir}/re2c" "${HOME}/bin/re2c"
 
 re2c --version
 exit 0