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tor/scripts/git/git-list-tor-branches.sh
2021-04-15 12:40:45 -04:00

154 lines
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#!/usr/bin/env bash
# Script to be used by other git scripts, and provide a single place
# that lists our supported branches. To change which branches are
# supported, look at the end of the file that says 'edit here'.
SCRIPT_NAME=$(basename "$0")
function usage()
{
echo "$SCRIPT_NAME [-h] [-l|-s|-b|-m] [-R]"
echo
echo " arguments:"
echo " -h: show this help text"
echo
echo " -l: list the active tor branches (default)"
echo " -s: list the suffixes to be used with the active tor branches"
echo " -b: write bash code setting WORKTREE to an array of ( branch path ) arrays"
echo " -m: write bash code setting WORKTREE to an array of"
echo " ( branch parent path suffix parent_suffix ) arrays"
echo
echo " -R: omit release branches."
}
# list : just a list of branch names.
# branch_path : For git-setup-dirs.sh and git-pull-all.sh
# suffix: write a list of suffixes.
# merge: branch, upstream, path, suffix, upstream suffix.
mode="list"
skip_release_branches="no"
while getopts "hblmsR" opt ; do
case "$opt" in
h) usage
exit 0
;;
b) mode="branch_path"
;;
l) mode="list"
;;
s) mode="suffix"
;;
m) mode="merge"
;;
R) skip_release_branches="yes"
;;
*) echo "Unknown option"
exit 1
;;
esac
done
all_branch_vars=()
prev_maint_branch=""
prev_maint_suffix=""
branch() {
# The name of the branch. (Supplied by caller) Ex: maint-0.4.3
brname="$1"
# The name of the branch with no dots. Ex: maint-043
brname_nodots="${brname//./}"
# The name of the branch with no dots, and _ instead of -. Ex: maint_043
brname_nodots_uscore="${brname_nodots//-/_}"
# Name to use for a variable to represent the branch. Ex: MAINT_043
varname="${brname_nodots_uscore^^}"
is_maint="no"
# suffix: a suffix to place at the end of branches we generate with respect
# to this branch. Ex: _043
# location: where the branch can be found.
if [[ "$brname" == "master" ]]; then
suffix="_master"
location="\$GIT_PATH/\$TOR_MASTER_NAME"
elif [[ "$brname" =~ ^maint- ]]; then
suffix="_${brname_nodots#maint-}"
location="\$GIT_PATH/\$TOR_WKT_NAME/$brname"
is_maint="yes"
elif [[ "$brname" =~ ^release- ]]; then
suffix="_r${brname_nodots#release-}"
location="\$GIT_PATH/\$TOR_WKT_NAME/$brname"
if [[ "$skip_release_branches" = "yes" ]]; then
return
fi
else
echo "Unrecognized branch type '${brname}'" >&2
exit 1
fi
all_branch_vars+=("$varname")
# Now emit the per-branch information
if [[ "$mode" == "branch_path" ]]; then
echo "${varname}=( \"$brname\" \"$location\" )"
elif [[ "$mode" == "merge" ]]; then
echo "${varname}=( \"$brname\" \"$prev_maint_branch\" \"$location\" \"$suffix\" \"$prev_maint_suffix\" )"
elif [[ "$mode" == "list" ]]; then
echo "$brname"
elif [[ "$mode" == "suffix" ]]; then
echo "$suffix"
else
echo "unknown mode $mode" >&2
exit 1
fi
if [[ "$is_maint" == "yes" ]]; then
prev_maint_branch="$brname"
prev_maint_suffix="$suffix"
fi
}
finish() {
if [[ "$mode" == branch_path ]] || [[ "$mode" == merge ]]; then
echo "WORKTREE=("
for v in "${all_branch_vars[@]}"; do
echo " ${v}[@]"
done
echo ")"
elif [[ "$mode" == list ]] || [[ "$mode" == suffix ]]; then
# nothing to do
:
else
echo "unknown mode $mode" >&2
exit 1
fi
}
# ==============================
# EDIT HERE
# ==============================
# List of all branches. These must be in order, from oldest to newest, with
# maint before release.
branch maint-0.3.5
branch release-0.3.5
branch maint-0.4.4
branch release-0.4.4
branch maint-0.4.5
branch release-0.4.5
branch maint-0.4.6
branch release-0.4.6
branch master
finish