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git-flow-support
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git-flow-support
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#
# 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/archives/323
#
# Feel free to contribute to this project at:
# http://github.com/nvie/gitflow
#
# Copyright (c) 2010 by Vincent Driessen
# Copyright (c) 2010 by Benedikt Böhm
#
VERSION_PREFIX=$(git config --get gitflow.prefix.versiontag)
PREFIX=$(git config --get gitflow.prefix.support || echo support/)
FLAG_FETCH=1
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 <version> <base>"
}
cmd_default() {
cmd_list "$@"
}
cmd_list() {
DEFINE_boolean verbose false 'verbose (more) output' v
parse_args "$@"
typeset support_branches
typeset current_branch
typeset short_names
support_branches="$(echo "$LOCAL_BRANCHES" | grep "^$PREFIX")"
if [ -z "$support_branches" ]; then
warn "No support branches exist."
exit 0
fi
current_branch=$(git branch | grep '^\* ' | grep -v 'no branch' | sed 's/^* //g')
short_names=$(echo "$support_branches" | sed "s?^$PREFIX??g")
# determine column width first
typeset -i width=0
typeset branch
for branch in $short_names; do
typeset -i len=$(($(echo "$branch" | wc -c) - 1))
width=$(max $width $len)
done
width=width+3
typeset branch
for branch in $short_names; do
typeset fullname="$PREFIX$branch"
typeset base=$(git merge-base "$fullname" "$MASTER_BRANCH")
typeset master_sha=$(git rev-parse "$MASTER_BRANCH")
typeset 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
typeset tagname=$(git name-rev --tags --no-undefined --name-only $base)
typeset nicename
if [ "$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 [ "$BASE" = "" ]; then
warn "Missing argument <base>"
usage
exit 1
fi
}
require_base_is_on_master() {
if ! git branch --contains "$BASE" 2>/dev/null \
| sed 's/[* ] //g' \
| grep -q "^$MASTER_BRANCH\$"; then
die "fatal: Given base '$BASE' is not a valid commit on '$MASTER_BRANCH'."
fi
}
cmd_start() {
parse_args "$@"
require_version_arg
require_base_arg
require_base_is_on_master
# sanity checks
gitflow_require_clean_working_tree
# fetch remote changes
if [ $FLAG_FETCH -eq 1 ]; then
git fetch -q $ORIGIN $BASE
fi
gitflow_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
}