tg-base.sh

   1 #!/bin/sh
   2 # TopGit - A different patch queue manager
   3 # (C) Petr Baudis <pasky@suse.cz>  2008
   4 # (C) Per Cederqvist <ceder@lysator.liu.se>  2010
   5 # (C) Kyle J. McKay <mackyle@gmail.com>  2017, 2021
   6 # All rights reserved
   7 # GPLv2
   8
   9 USAGE="\
  10 Usage: ${tgname:-tg} [...] base [--short[=<n>] | --no-short] [--] [branch...]
  11 Options:
  12     --short[=<n>]       display shortened hashes (default)
  13     --no-short          display full hashes"
  14
  15 usage()
  16 {
  17         if [ "${1:-0}" != 0 ]; then
  18                 printf '%s\n' "$USAGE" >&2
  19         else
  20                 printf '%s\n' "$USAGE"
  21         fi
  22         exit ${1:-0}
  23 }
  24
  25 ## Parse options
  26
  27 short="--short"
  28
  29 while [ $# -gt 0 ]; do case "$1" in
  30         -h|--help)
  31                 usage;;
  32         --short|--short=*|--no-short)
  33                 short="$1";;
  34         --)
  35                 shift
  36                 break;;
  37         -?*)
  38                 die "unrecognized option: $1";;
  39         *)
  40                 break;;
  41 esac; shift; done
  42
  43 if [ "$#" -eq 0 ]; then
  44         set -- HEAD
  45 fi
  46
  47 rv=0
  48 for rev in "$@"; do
  49         [ "$rev" != "@" ] || rev="HEAD"
  50         name="$(git symbolic-ref -q "$rev" 2>/dev/null)" || name="$rev"
  51         v_strip_ref name "$name"
  52         git rev-parse --verify $short "refs/$topbases/$name^0" -- 2>/dev/null || {
  53                 rv=1
  54                 echo "$rev is not a TopGit branch" >&2
  55         }
  56 done
  57 exit $rv