From 2ff496d4086546150ef6fc969fd3571375b11991 Mon Sep 17 00:00:00 2001
From: Konstantinos Pachnis <konstantinos@bugeffect.com>
Date: Sun, 6 Sep 2015 19:39:55 +0300
Subject: [PATCH] Initial import

---
 LICENSE   |  27 +++++++
 Makefile  |  15 ++++
 README.md |  11 +++
 rn        | 231 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 rn.1      |  68 ++++++++++++++++
 5 files changed, 352 insertions(+)
 create mode 100644 LICENSE
 create mode 100644 Makefile
 create mode 100644 README.md
 create mode 100644 rn
 create mode 100644 rn.1

diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..65edd80
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,27 @@
+Copyright (c) 2015, Konstantinos Pachnis
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its contributors
+   may be used to endorse or promote products derived from this software without
+   specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..46befb2
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,15 @@
+PREFIX = /usr/local
+MANPREFIX = ${PREFIX}/share/man
+
+install:
+	@printf "Installing executable file to ${DESTDIR}${PREFIX}/bin\n"
+	@install -m 0755 rn ${DESTDIR}${PREFIX}/bin/rn
+	@printf "Installing manual page to ${DESTDIR}${MANPREFIX}/man1\n"
+	@mkdir -p ${DESTDIR}${MANPREFIX}/man1
+	@install -m 0644 rn.1 ${DESTDIR}${MANPREFIX}/man1/rn.1
+
+uninstall:
+	@printf "Removing executables from ${DESTDIR}${PREFIX}/bin\n"
+	@rm -f ${DESTDIR}${PREFIX}/bin/rn
+	@printf "Removing manual page from ${DESTDIR}${MANPREFIX}/man1\n"
+	@rm -f ${DESTDIR}${MANPREFIX}/man1/rn.1
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..a5d2c7d
--- /dev/null
+++ b/README.md
@@ -0,0 +1,11 @@
+**rn** is a shell script, which automates the creation of software release numbers 
+in the form of **MAJOR**.**MINOR**.**PATCH** using git signed tags.
+
+For more information read the online documentation `rn(8)`.
+
+Install with
+    
+```sh
+$ make install
+```
+
diff --git a/rn b/rn
new file mode 100644
index 0000000..0ac126d
--- /dev/null
+++ b/rn
@@ -0,0 +1,231 @@
+#!/bin/sh
+
+if [ "$RN_DEBUG" ]; then
+  set -e
+  set -x
+fi
+
+PATH="$(getconf PATH)"
+
+readonly EPERM=1
+readonly ENOENT=2
+
+checks() {
+  if [ ! -x "$(command -v git)" ]; then
+    printf "ERROR: git not found"
+    exit $ENOENT
+  fi
+
+  if [ ! -d "$PWD/.git" ]; then
+    printf "ERROR: Not a git repository\n"
+    exit $EPERM
+  fi
+
+  return 0
+}
+
+version() {
+  local version='1.0.0'
+
+  printf "rn $version, (C) 2015 Konstantinos Pachnis, see LICENSE for details\n"
+
+  exit 0
+}
+
+usage() {
+  printf "Usage: rn [-s] [-l] [-n version] [-M] [-m] [-p] [-D] [-d version] [-v]\n"
+
+  exit 0
+}
+
+create_release_number() {
+  checks
+
+  if echo "$version_no" | grep [0-9].[0-9].[0-9] >/dev/null; then
+    remotes="$(git remote)"
+
+    git tag -s "$version_no" -m "Create version $version_no"
+
+    if [ $? -eq 0 ]; then
+      for r in $remotes; do
+        git push "$r" "$version_no"
+      done
+    else
+      exit $?
+    fi
+  else
+    usage
+  fi
+
+  exit 0
+}
+
+current_release_number() {
+  checks
+
+  local version="$(git tag -l | sort -n -r -t. -k1,1 -k2,2 -k3,3 | head -n 1)"
+
+  if [ "$version" ]; then
+    printf "$version\n"
+  else
+    printf "No versions found\n"
+    exit $EPERM
+  fi
+
+  exit 0
+}
+
+list_release_numbers() {
+  checks
+
+  local versions="$(git tag -l | sort -n -t. -k1,1 -k2,2 -k3,3)"
+
+  if [ "$versions" ]; then
+    for v in $versions; do
+      printf "$v\n"
+    done
+  else
+    printf "No versions found\n"
+    exit $EPERM
+  fi
+
+  exit 0
+}
+
+auto_release_number() {
+  checks
+
+  version="$(git tag -l | sort -n -r -t. -k1,1 -k2,2 -k3,3 | head -n 1)"
+
+  if echo "$version" | grep [0-9].[0-9].[0-9] >/dev/null; then
+    case $version_type in
+      'major')
+        version_no="$(echo $version | awk -F . '{ print $1+1 "." 0 "." 0 }')"
+        ;;
+      'minor')
+        version_no="$(echo $version | awk -F . '{ print $1 "." $2+1 "." 0 }')"
+        ;;
+      'patch')
+        version_no="$(echo $version | awk -F . '{ print $1 "." $2 "." $3+1 }')"
+        ;;
+      *)
+        ;;
+    esac
+    create_release_number
+  else
+    printf "No versions found\n"
+    exit $EPERM
+  fi
+
+  exit 0
+}
+
+delete_all_release_numbers() {
+  local confirm_delete='N'
+
+  checks
+
+  versions="$(git tag -l | sort -n -t. -k1,1 -k2,2 -k3,3)"
+
+  if [ ! "$versions" ]; then
+    printf "No versions found\n"
+    exit $EPERM
+  fi
+
+  printf "WARNING: All versions will be deleted permanently.\n"
+  printf "Do you want to continue [N/y]? "
+
+  read confirm_delete
+
+  if [ "$confirm_delete" ] && [ "$confirm_delete" = 'Y' -o "$confirm_delete" = 'y' ]; then
+    remotes="$(git remote)"
+
+    for v in $versions; do
+      git tag -d "$v"
+
+      for r in $remotes; do
+        git push "$r" ":refs/tags/$v"
+      done
+    done
+  fi
+
+  exit 0
+}
+
+delete_release_number() {
+  local confirm_delete='N'
+
+  checks
+
+  if ! echo "$version_no" | grep [0-9].[0-9].[0-9] >/dev/null; then
+    printf "Release $version_no not found\n"
+    exit $EPERM
+  fi
+
+  printf "WARNING: Release $version_no will be deleted permanently.\n"
+  printf "Do you want to continue [N/y]? "
+
+  read confirm_delete
+
+  if [ "$confirm_delete" ] && [ "$confirm_delete" = 'Y' -o "$confirm_delete" = 'y' ]; then
+    remotes="$(git remote)"
+
+    git tag -d "$version_no"
+
+    if [ $? -eq 0 ]; then
+      for r in $remotes; do
+        git push "$r" ":refs/tags/$version_no"
+      done
+    fi
+  fi
+
+  exit 0
+}
+
+main() {
+  while getopts d:n:DMhlmpsv opt; do
+    case $opt in
+      M)
+        version_type='major'
+        auto_release_number
+        ;;
+      m)
+        version_type='minor'
+        auto_release_number
+        ;;
+      p)
+        version_type='patch'
+        auto_release_number
+        ;;
+      s)
+        current_release_number
+        ;;
+      l)
+        list_release_numbers
+        ;;
+      n)
+        version_no="$OPTARG"
+        create_release_number
+        ;;
+      D)
+        delete_all_release_numbers
+        ;;
+      d)
+        version_no="$OPTARG"
+        delete_release_number
+        ;;
+      v)
+        version
+        ;;
+      h)
+        usage
+        ;;
+    esac
+  done
+
+  shift $(( OPTIND - 1 ))
+
+  [ $# = 0 ] && usage
+}
+
+main "$@"
diff --git a/rn.1 b/rn.1
new file mode 100644
index 0000000..763f71d
--- /dev/null
+++ b/rn.1
@@ -0,0 +1,68 @@
+.TH RN 1 "May 11, 2015" "1.0.0"
+.SH NAME
+rn \- manage software release numbers
+.SH SYNOPSIS
+.B rn
+.RB [ \-s ]
+.RB [ \-l ]
+.RB [ \-n
+.IR <relno> ]
+.RB [ \-M ]
+.RB [ \-m ]
+.BR [ \-p ]
+.RB [ \-d
+.IR <relno> ]
+.RB [ \-D ]
+.RB [ \-h ]
+.RB [ \-v ]
+.SH DESCRIPTION
+.B rn
+is a shell script, which automates the creation of software relese numbers in the
+form of \fBMAJOR\fP.\fBMINOR\fP.\fBPATCH\fP using signed git tags.
+.sp
+Git operations performed by \fBrn\fP, will be pushed to all tracked
+repositories.
+.SH OPTIONS
+.TP
+.B \-s
+Show current release number.
+.TP
+.B \-l
+List all release numbers.
+.TP
+.BI \-n\  <relno>
+Create a new custom release number.
+.TP
+.B \-M
+Create a new major release number.
+.TP
+.B \-m
+Create a new minor release number.
+.TP
+.B \-p
+Create a new patch release number.
+.TP
+.B \-D
+Delete all release numbers.
+.TP
+.BI \-d\  <relno>
+Delete a release number.
+.TP
+.B \-h
+Print a help message and exit.
+.TP
+.B \-v
+Display
+.B rn
+version information.
+.SH ENVIRONMENT
+.TP
+.B RN_DEBUG
+If
+.RB $ RN_DEBUG
+is set, the shell \fBerrexit\fP, \fBnounset\fP and \fBxtrace\fP options will
+be set.
+.SH SEE ALSO
+.BR git-tag (1),
+.BR gpg2 (1),
+
-- 
2.45.2