scripts/git/git-list-tor-branches.sh

   1 #!/usr/bin/env bash
   2
   3 # Script to be used by other git scripts, and provide a single place
   4 # that lists our supported branches.  To change which branches are
   5 # supported, look at the end of the file that says 'edit here'.
   6
   7 SCRIPT_NAME=$(basename "$0")
   8
   9 function usage()
  10 {
  11     echo "$SCRIPT_NAME [-h] [-l|-s|-b|-m] [-R|-M]"
  12     echo
  13     echo "  arguments:"
  14     echo "   -h: show this help text"
  15     echo
  16     echo "   -l: list the active tor branches (default)"
  17     echo "   -s: list the suffixes to be used with the active tor branches"
  18     echo "   -b: write bash code setting WORKTREE to an array of ( branch path ) arrays"
  19     echo "   -m: write bash code setting WORKTREE to an array of"
  20     echo "       ( branch parent path suffix parent_suffix ) arrays"
  21     echo
  22     echo "   -R: omit release branches."
  23     echo "   -M: omit maint branches."
  24 }
  25
  26 # list : just a list of branch names.
  27 # branch_path : For git-setup-dirs.sh and git-pull-all.sh
  28 # suffix: write a list of suffixes.
  29 # merge: branch, upstream, path, suffix, upstream suffix.
  30 mode="list"
  31 skip_maint_branches="no"
  32 skip_release_branches="no"
  33
  34 while getopts "hblmsRM" opt ; do
  35     case "$opt" in
  36         h) usage
  37            exit 0
  38            ;;
  39         b) mode="branch_path"
  40            ;;
  41         l) mode="list"
  42            ;;
  43         s) mode="suffix"
  44            ;;
  45         m) mode="merge"
  46            ;;
  47         M) skip_maint_branches="yes"
  48            ;;
  49         R) skip_release_branches="yes"
  50            ;;
  51         *) echo "Unknown option"
  52            exit 1
  53            ;;
  54     esac
  55 done
  56
  57 all_branch_vars=()
  58
  59 prev_maint_branch=""
  60 prev_maint_suffix=""
  61
  62 branch() {
  63     # The name of the branch. (Supplied by caller)  Ex: maint-0.4.3
  64     brname="$1"
  65
  66     # The name of the branch with no dots. Ex: maint-043
  67     brname_nodots="${brname//./}"
  68     # The name of the branch with no dots, and _ instead of -. Ex: maint_043
  69     brname_nodots_uscore="${brname_nodots//-/_}"
  70     # Name to use for a variable to represent the branch. Ex: MAINT_043
  71     varname="${brname_nodots_uscore^^}"
  72
  73     is_maint="no"
  74
  75     # suffix: a suffix to place at the end of branches we generate with respect
  76     # to this branch.  Ex: _043
  77
  78     # location: where the branch can be found.
  79
  80     if [[ "$brname" == "main" ]]; then
  81         suffix="_main"
  82         location="\$GIT_PATH/\$TOR_MASTER_NAME"
  83     elif [[ "$brname" =~ ^maint- ]]; then
  84         suffix="_${brname_nodots#maint-}"
  85         location="\$GIT_PATH/\$TOR_WKT_NAME/$brname"
  86         is_maint="yes"
  87         if [[ "$skip_maint_branches" = "yes" ]]; then
  88             return
  89         fi
  90     elif [[ "$brname" =~ ^release- ]]; then
  91         suffix="_r${brname_nodots#release-}"
  92         location="\$GIT_PATH/\$TOR_WKT_NAME/$brname"
  93
  94         if [[ "$skip_release_branches" = "yes" ]]; then
  95             return
  96         fi
  97     else
  98         echo "Unrecognized branch type '${brname}'" >&2
  99         exit 1
 100     fi
 101
 102     all_branch_vars+=("$varname")
 103
 104     # Now emit the per-branch information
 105     if [[ "$mode" == "branch_path" ]]; then
 106         echo "${varname}=( \"$brname\" \"$location\" )"
 107     elif [[ "$mode" == "merge" ]]; then
 108         echo "${varname}=( \"$brname\" \"$prev_maint_branch\" \"$location\" \"$suffix\" \"$prev_maint_suffix\" )"
 109     elif [[ "$mode" == "list" ]]; then
 110         echo "$brname"
 111     elif [[ "$mode" == "suffix" ]]; then
 112         echo "$suffix"
 113     else
 114         echo "unknown mode $mode" >&2
 115         exit 1
 116     fi
 117
 118     if [[ "$is_maint" == "yes" ]]; then
 119         prev_maint_branch="$brname"
 120         prev_maint_suffix="$suffix"
 121     fi
 122 }
 123
 124 finish() {
 125     if [[ "$mode" == branch_path ]] || [[ "$mode" == merge ]]; then
 126         echo "WORKTREE=("
 127         for v in "${all_branch_vars[@]}"; do
 128             echo "  ${v}[@]"
 129         done
 130         echo ")"
 131     elif [[ "$mode" == list ]] || [[ "$mode" == suffix ]]; then
 132         # nothing to do
 133         :
 134     else
 135         echo "unknown mode $mode" >&2
 136         exit 1
 137     fi
 138 }
 139
 140 # ==============================
 141 # EDIT HERE
 142 # ==============================
 143 # List of all branches.  These must be in order, from oldest to newest, with
 144 # maint before release.
 145
 146 branch maint-0.4.7
 147 branch release-0.4.7
 148
 149 branch maint-0.4.8
 150 branch release-0.4.8
 151
 152 branch main
 153
 154 finish