changelog/changelog.sh

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#!/bin/bash
#Manages an /etc/changelog
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APP_PATH=$( cd $(dirname ${BASH_SOURCE[0]}) && pwd )
APP_NAME=$( basename ${BASH_SOURCE[0]})
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CHANGELOG=/etc/changelog
# %CONFIG% This comment is used to build custom scripts
[[ -f "$APP_PATH/config.sh" ]] && source "$APP_PATH/config.sh"
# Sanity check on changelog file
[[ -f "$CHANGELOG" ]] && [[ ! -w "$CHANGELOG" ]] && {
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echo -e "\nYou cannot write to $CHANGELOG... This doesn't look serious!\n"
read -e -i y -n 1 -p "Run as sudo [Yn]? : "
[[ "Y" == ${REPLY^} ]] && sudo -E "$APP_PATH/$APP_NAME" && exit 0
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}
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# functions
msg(){ echo -e "$@"; }
panic(){ msg "${@} Exiting."; exit 1;}
ENTRY_FILE=$(mktemp)
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change(){
TMP="$1"
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while true ; do
echo -e "\nType the nature of the change.\nExample: > mysql: do not start on boot\n"
read -e -p "> " SUB
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echo -e "* $SUB" >> $TMP
echo -e "\nTime for some details."
for (( ; ; )); do
echo "Select number or x to quit"
for (( i=0; i<${#PLUGIN_CONTENT_MENU[@]}; i++)) ; do
echo "$i) ${PLUGIN_CONTENT_MENU[$i]}"
done
echo "x) No more details."
read -e -n 1 -p "Your choice? :" REPLY
if [[ "x" == ${REPLY,,} ]]; then
break
elif [[ -z "${PLUGIN_CONTENT[$REPLY]}" ]] ; then
echo "Unknown Key."
else
${PLUGIN_CONTENT[$REPLY]} $TMP
fi
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done
read -e -i "n" -p "Another section? [yN]:" END
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[[ "${END^^}" == "N" ]] && break
done
echo -e "\nHere is the content you are about to add.\n\n$(cat $TMP)\n"
read -e -p "OK? [Yn]: " -i y RETURN
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[[ "N" == ${RETURN^^} ]] && return 1
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}
template(){
FILE="$1"
cat << HEREDOC
$(date "+%Y-%m-%d %H:%M") $CHANGELOG_USERNAME
$( cat "$FILE" |sed 's/^/ /' )
HEREDOC
}
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hookContentComment(){
[[ -z "$1" ]] && echo "Enter a simple comment. Ex: systemctl disable nginx" && return
TMP="$1"
read -e -p "Your comment: " CONTENT
echo "$CONTENT" >> $TMP
}
hookOutputFile(){
[[ -z "$1" ]] && echo "Writing a local changelog entry to $CHANGELOG" && return
local TMP=$(mktemp)
SOURCE="$1"
template "$SOURCE" > "$TMP"
[[ -f "$CHANGELOG" ]] && cat /etc/changelog >> "$TMP"
cat "$TMP" > $CHANGELOG
rm -f "$TMP"
}
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# Build the hook content menu
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PLUGIN_CONTENT+=("hookContentComment")
declare -a PLUGIN_CONTENT_MENU
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# Build the hook content menu
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PLUGIN_OUTPUT+=("hookOutputFile")
declare -a PLUGIN_OUTPUT_MENU
# %PLUGIN% This comment is used to build custom scripts
[[ -d "$APP_PATH/plugins-enabled" ]] && [[ -n "$APP_PATH/plugins-enabled/*" ]] && source "$APP_PATH"/plugins-enabled/*
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for (( i = 0; i < ${#PLUGIN_OUTPUT[@]} ; i++ )); do
TXT=$( ${PLUGIN_OUTPUT[$i]} )
PLUGIN_OUTPUT_MENU+=("$( ${PLUGIN_OUTPUT[$i]} )")
done
for (( i = 0; i < ${#PLUGIN_CONTENT[@]} ; i++ )); do
TXT=$( ${PLUGIN_CONTENT[$i]} )
PLUGIN_CONTENT_MENU+=("$( ${PLUGIN_CONTENT[$i]} )")
done
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# Exec
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echo -e "\nWelcome to Serious Changelogs Inc. Do you have something for me?\n"
# set environment variables
[[ -z "$CHANGELOG_USERNAME" ]] && read -e -p "Your name? " NAME&& read -e -p "Your email? " EMAIL && CHANGELOG_USERNAME="${NAME^} <$EMAIL>" && echo "export CHANGELOG_USERNAME=\"$CHANGELOG_USERNAME\""
[[ " <>" == "$CHANGELOG_USERNAME" ]] && panic "srs.ly?"
# check changelog exists
[[ ! -f "$CHANGELOG" ]] && template "* Changelog: Added $CHANGELOG file\nIt was not serious. Fixed!\n\n" > "$CHANGELOG"
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# parse command
change "$ENTRY_FILE"
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[[ $? -eq 0 ]] && exit
for (( i=0; i<${#PLUGIN_OUTPUT_MENU[@]}; i++)) ; do
echo "${PLUGIN_OUTPUT_MENU[$i]}"
${PLUGIN_OUTPUT[$i]} $ENTRY_FILE
done
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rm "$ENTRY_FILE"