From c81e6e68c8c18652e87ce8923383954e20fd081c Mon Sep 17 00:00:00 2001
From: pvincent <pvincent974@gmail.com>
Date: Sat, 24 Aug 2019 16:30:37 +0400
Subject: [PATCH] semver_git_tag

---
 bash.bashrc          |   1 +
 tools/semver_git_tag | 104 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 105 insertions(+)
 create mode 100755 tools/semver_git_tag

diff --git a/bash.bashrc b/bash.bashrc
index 8ac76a9..8028e8b 100644
--- a/bash.bashrc
+++ b/bash.bashrc
@@ -160,3 +160,4 @@ if [ -f ~/.bash_aliases ]; then
 fi
 
 #PATH=$HOME/.bin:$HOME/DEV/debian-server:$PATH
+PATH=$PATH:/opt/debian-bash/tools
diff --git a/tools/semver_git_tag b/tools/semver_git_tag
new file mode 100755
index 0000000..98e7612
--- /dev/null
+++ b/tools/semver_git_tag
@@ -0,0 +1,104 @@
+#!/bin/bash
+
+function usage {
+	echo 'usage: --major | -M | --minor | -m | --patch | -p'
+	exit -1
+}
+
+function setCommand {
+	#arg1 input, #arg2 return value
+	declare -n ret=$2
+
+	case $1 in
+	    -M|--major)
+			ret='major'	;;
+	    -m|--minor)
+			ret='minor'	;;
+	    -p|--patch)
+	    	ret='patch'	;;
+	    *)    # unknown option
+	    	echo
+	    	echo 'unknown option, quitting'
+			exit -1
+			;;
+	esac
+}
+
+
+############# main
+
+# check more than one argument
+if [[ $# -gt 1 ]];then usage ;fi
+
+# check git covered
+REPOSITORY=`git config --get remote.origin.url`
+if [[ $? -ne 0 ]]; then
+	echo 'folder not covered by git'
+	exit -1
+fi
+
+# check latest tagged version
+LAST_TAG=`git rev-list --tags --max-count=1 2>/dev/null`
+if [[ $? -eq 0 ]]; then
+	VERSION=`git describe --tags $LAST_TAG`
+else
+	echo 'not yet tagged!'
+	VERSION=0.0.0
+fi
+
+# check belongs to git.artcode.re
+if [[ ! ("$REPOSITORY" =~ ^git@artcode.re+) ]]; then
+	echo "$REPOSITORY => $VERSION"
+	echo 'folder not covered by git.artcode.re, read-only'
+	exit -1
+fi
+
+# split into array
+VERSION_BITS=(${VERSION//./ })
+MAJOR=${VERSION_BITS[0]}
+MINOR=${VERSION_BITS[1]}
+PATCH=${VERSION_BITS[2]}
+
+REPO_NAME=`basename $REPOSITORY`
+REPO_NAME=${REPO_NAME%.git}
+if [[ $VERSION != '0.0.0' ]];then
+	echo "LATEST VERSION of '$REPO_NAME' is '$MAJOR.$MINOR.$PATCH'"
+	COMMIT_ID=`git log --format="%H" -n 1`
+	if [[ $COMMIT_ID == $LAST_TAG ]]; then
+		echo "cannot tag twice the same commit id : $LAST_TAG"
+		exit -1
+	fi
+fi
+
+COMMAND="${1:-ask}"
+if [[ $COMMAND == 'ask' ]];then 
+	echo -n "Press 'M' for Major, 'm' for minor, 'p' for patch ? "
+	read -n1 input
+	echo
+	COMMAND="-$input"
+fi
+
+setCommand $COMMAND COMMAND
+
+case $COMMAND in
+	"major")
+		let "MAJOR++"
+		let "MINOR=0"
+		let "PATCH=0"
+		;;
+	"minor")
+		let "MINOR++"
+		let "PATCH=0"
+		;;
+	"patch")
+		let "PATCH++"
+		;;
+esac
+
+set -e # EXITS when any error occurs
+
+TAG="$MAJOR.$MINOR.$PATCH"
+echo "tagging as $TAG ..."
+git tag $TAG
+git push origin master --tags
+echo done