git-lc

   1 #!/usr/bin/env bash
   2
   3 #=======================================================================
   4 # git-lc
   5 # File ID: 81eb015e-87fb-11e0-9674-fefdb24f8e10
   6 # List all Git branches where all the specified refs exists
   7 # License: GNU General Public License version 2 or later.
   8 #=======================================================================
   9
  10 urevs=$*
  11 test -z "$urevs" && urevs=HEAD
  12 count=0
  13 unset revs
  14 for u in $urevs; do
  15     git log -1 $u &>/dev/null || { echo $u: Invalid ref >&2; exit 1; }
  16     revs="$revs $(
  17         git branch -a --contains=$u |
  18         cut -c3- |
  19         grep -v -e '(no branch)' -e '->' -e "^$u\$"
  20     )"
  21     count=$[$count + 1]
  22 done
  23 echo $revs | fmt -1 | tr -d ' ' | sort | uniq -c | tr -s ' ' \
  24     | grep "^ $count " | cut -f 3 -d ' ' | sort