Misc: Add make-release.sh

Add make-release.sh, which creates a release tarball, with
documentations built (to lift asciidoc dependency), and COMPTON_VERSION
defined.

make-release.sh

@@ -0,0 +1,56 @@
+#!/bin/bash
+
+GOOD=$'\e[32;01m'
+WARN=$'\e[33;01m'
+BAD=$'\e[31;01m'
+HILITE=$'\e[36;01m'
+BRACKET=$'\e[34;01m'
+NORMAL=$'\e[0m'
+
+eerror() {
+  echo -e "$@" | while read -r ; do
+    echo " $BAD*$NORMAL $RC_INDENTATION$REPLY" >&2
+  done
+  return 0
+}
+
+einfo() {
+  echo -e "$@" | while read -r ; do
+    echo " $GOOD*$NORMAL $REPLY"
+  done
+  return 0
+}
+
+die() {
+  eerror "Call stack:"
+  (( n = ${#FUNCNAME[@]} - 1 ))
+  while (( n > 0 )); do
+    funcname=${FUNCNAME[$((n - 1))]}
+    sourcefile=$(basename ${BASH_SOURCE[${n}]})
+    lineno=${BASH_LINENO[$((n - 1))]}
+    eerror "  ${sourcefile}:${lineno} - Called ${funcname}()"
+    (( n-- ))
+  done
+  eerror "Working directory: '$(pwd)'"
+  exit 1
+}
+
+main() {
+  TMP=/tmp
+  mkdir -p "${TMP}"
+
+  VER="$(make version)"
+  P="compton-${VER}"
+  git archive --format=tar -o "${TMP}/${P}.tar" --prefix="${P}/" HEAD || die
+  cd "${TMP}" || die
+  tar xf "${TMP}/${P}.tar" || die
+  sed -i "s/\(COMPTON_VERSION ?=\).*/\1 ${VER}/" "${P}/Makefile" || die
+  cd "${P}" || die
+  make docs || die
+  cd .. || die
+  tar cJf "${P}.tar.xz" "${P}" || die
+  rm -r "${P}" "${P}.tar" || die
+  einfo Archive is now on $(realpath ${P}.tar.xz)
+}
+
+main