gq-pop

   1 #!/bin/bash
   2 #
   3 # Copyright (c) Josef "Jeff" Sipek, 2006
   4 #
   5
   6 source "`dirname $0`/gq.lib"
   7
   8 export GIT_DIR=`find_git_dir`
   9 GQ_DIR="$GIT_DIR/patches"
  10
  11 branch=`get_branch_verify`
  12 series="$GQ_DIR/$branch/series"
  13 applied="$GQ_DIR/$branch/status"
  14
  15 patch="$1"
  16
  17 if [ "$patch" = "--all" -o "$patch" = "-a" ]; then
  18         # we are supposed to pop all patches
  19
  20         sidx=`wc -l < $applied`
  21         sidx=`expr $sidx - 1`
  22         eidx=0
  23 elif [ -z "$patch" ]; then
  24         # we are supposed to pop only the current patch on the stack
  25
  26         sidx=`wc -l < $applied`
  27         sidx=`expr $sidx - 1`
  28         eidx=$sidx
  29 else
  30         # we're supposed to pop only up to a patch, make sure the patch is
  31         # in the series
  32
  33         eidx=`cat $applied | grep -ne "^$patch\$" | cut -d: -f1`
  34         if [ -z "$eidx" ]; then
  35                 echo "Patch $patch is not in the series/is not applied"
  36                 exit 1
  37         fi
  38
  39         eidx=`expr $eidx - 1`
  40         sidx=`wc -l < $applied`
  41         sidx=`expr $sidx - 1`
  42 fi
  43
  44 # make sure that there are no unapplied changes
  45 if ! must_commit_first; then
  46         echo "Uncommited changes detected. Refresh first."
  47         exit 1
  48 fi
  49
  50 idx=`wc -l < $series`
  51 for p in `cat $series | tac`; do
  52         idx=`expr $idx - 1`
  53         [ $idx -gt $sidx ] && continue
  54         [ $idx -lt $eidx ] && break
  55
  56         echo "Popping patch...$p"
  57
  58         pop_patch
  59 done
  60
  61 p=`get_top`
  62 [ ! -z "$p" ] && echo "Now at $p." || echo "All patches popped."
  63