#

# git-flow -- A collection of Git extensions to provide high-level

# repository operations for Vincent Driessen's branching model.

#

# Original blog post presenting this model is found at:

# http://nvie.com/git-model

#

# Feel free to contribute to this project at:

# http://github.com/nvie/gitflow

#

# Copyright 2010 Vincent Driessen. 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.

#

# THIS SOFTWARE IS PROVIDED BY VINCENT DRIESSEN ``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 VINCENT DRIESSEN 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.

#

# The views and conclusions contained in the software and documentation are

# those of the authors and should not be interpreted as representing official

# policies, either expressed or implied, of Vincent Driessen.

#

require_git_repo

require_gitflow_initialized

gitflow_load_settings

VERSION_PREFIX=$(eval "echo `git config --get gitflow.prefix.versiontag`")

PREFIX=$(git config --get gitflow.prefix.support)

warn "note: The support subcommand is still very EXPERIMENTAL!"

warn "note: DO NOT use it in a production situation."

usage() {

echo "usage: git flow support [list] [-v]"

echo " git flow support start [-F] <version> <base>"

}

cmd_default() {

cmd_list "$@"

}

cmd_list() {

DEFINE_boolean verbose false 'verbose (more) output' v

parse_args "$@"

local support_branches

local current_branch

local short_names

support_branches=$(echo "$(git_local_branches)" | grep "^$PREFIX")

if [ -z "$support_branches" ]; then

warn "No support branches exist."

warn ""

warn "You can start a new support branch:"

warn ""

warn " git flow support start <name> <base>"

warn ""

exit 0

fi

current_branch=$(git branch --no-color | grep '^\* ' | grep -v 'no branch' | sed 's/^* //g')

short_names=$(echo "$support_branches" | sed "s ^$PREFIX g")

# determine column width first

local width=0

local branch

for branch in $short_names; do

local len=${#branch}

width=$(max $width $len)

done

width=$(($width+3))

local branch

for branch in $short_names; do

local fullname=$PREFIX$branch

local base=$(git merge-base "$fullname" "$MASTER_BRANCH")

local master_sha=$(git rev-parse "$MASTER_BRANCH")

local branch_sha=$(git rev-parse "$fullname")

if [ "$fullname" = "$current_branch" ]; then

printf "* "

else

printf " "

fi

if flag verbose; then

printf "%-${width}s" "$branch"

if [ "$branch_sha" = "$master_sha" ]; then

printf "(no commits yet)"

else

local tagname=$(git name-rev --tags --no-undefined --name-only "$base")

local nicename

if [ "$tagname" != "" ]; then

nicename=$tagname

else

nicename=$(git rev-parse --short "$base")

fi

printf "(based on $nicename)"

fi

else

printf "%s" "$branch"

fi

echo

done

}

cmd_help() {

usage

exit 0

}

parse_args() {

# parse options

FLAGS "$@" || exit $?

eval set -- "${FLAGS_ARGV}"

# read arguments into global variables

VERSION=$1

BASE=$2

BRANCH=$PREFIX$VERSION

}

require_version_arg() {

if [ "$VERSION" = "" ]; then

warn "Missing argument <version>"

usage

exit 1

fi

}

require_base_arg() {

if [ "$BASE" = "" ]; then

warn "Missing argument <base>"

usage

exit 1

fi

}

require_base_is_on_master() {

if ! git branch --no-color --contains "$BASE" 2>/dev/null \

| sed 's/[* ] //g' \

| grep -q "^$MASTER_BRANCH\$"; then

die "fatal: Given base '$BASE' is not a valid commit on '$MASTER_BRANCH'."

fi

}

cmd_start() {

DEFINE_boolean fetch false "fetch from $ORIGIN before performing finish" F

parse_args "$@"

require_version_arg

require_base_arg

require_base_is_on_master

# sanity checks

require_clean_working_tree

# fetch remote changes

if flag fetch; then

git fetch -q "$ORIGIN" "$BASE"

fi

require_branch_absent "$BRANCH"

# create branch

git checkout -b "$BRANCH" "$BASE"

echo

echo "Summary of actions:"

echo "- A new branch '$BRANCH' was created, based on '$BASE'"

echo "- You are now on branch '$BRANCH'"

echo

}