Misc: Move shared functions out of make-release.sh

- Move shared functions in make-release.sh to a separate file,
   functions.sh .

 - Add more comments to make-release.sh and functions.sh .

functions.sh

@@ -0,0 +1,51 @@
+#!/bin/bash
+
+# Shared functions for various supporting scripts of compton
+# Mostly copied from Gentoo gentoo-functions
+
+GOOD=$'\e[32;01m'
+WARN=$'\e[33;01m'
+BAD=$'\e[31;01m'
+HILITE=$'\e[36;01m'
+BRACKET=$'\e[34;01m'
+NORMAL=$'\e[0m'
+
+# @FUNCTION: eerror
+# @USAGE: [message]
+# @DESCRIPTION:
+# Show an error message.
+eerror() {
+  echo -e "$@" | while read -r ; do
+    echo " $BAD*$NORMAL $REPLY" >&2
+  done
+  return 0
+}
+
+# @FUNCTION: einfo
+# @USAGE: [message]
+# @DESCRIPTION:
+# Show a message.
+einfo() {
+  echo -e "$@" | while read -r ; do
+    echo " $GOOD*$NORMAL $REPLY"
+  done
+  return 0
+}
+
+# @FUNCTION: die
+# @USAGE:
+# @DESCRIPTION:
+# Print the call stack and the working directory, then quit the shell.
+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
+}

make-release.sh

@@ -1,39 +1,9 @@
 #!/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'
+# Make a release source tarball containing pre-built documentation
 
-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
-}
+BASE_DIR=$(dirname "$0")
+. "${BASE_DIR}/functions.sh"
 
 main() {
   TMP=/tmp