guilt-push

   1 #!/bin/sh
   2 #
   3 # Copyright (c) Josef "Jeff" Sipek, 2006, 2007
   4 #
   5
   6 USAGE="[ -f ] [-a | --all | -n <num> | <patchname>]"
   7 . `dirname $0`/guilt
   8
   9 abort_flag="abort"
  10
  11 while [ $# -gt 0 ]; do
  12         case "$1" in
  13                 -f)
  14                         abort_flag=""
  15                         ;;
  16                 -a|--all)
  17                         all=t
  18                         ;;
  19                 -n)
  20                         num=t
  21                         ;;
  22                 *)
  23                         break
  24                         ;;
  25         esac
  26         shift
  27 done
  28
  29
  30 if [ $# -gt 1 ]; then
  31         usage
  32 fi
  33
  34 # "guilt-push" or "guilt-push foo"
  35 if [ -z "$all" ] && [ $# -gt 1 ]; then
  36         usage
  37 fi
  38
  39 # "guilt-push -n foo"
  40 if [ ! -z "$num" ]; then
  41         if [ $# -gt 1 ] || [ $# -eq 0 ]; then
  42                 usage
  43         fi
  44 fi
  45
  46 # "guilt-push -a"
  47 if [ ! -z "$all" ] && [ $# -gt 0 ]; then
  48         usage
  49 fi
  50
  51 patch="$1"
  52 [ ! -z "$all" ] && patch="-a"
  53
  54 if [ "$patch" = "-a" ]; then
  55         # we are supposed to push all patches, get the last one out of
  56         # series
  57
  58         eidx=`get_series | wc -l`
  59         if [ $eidx -eq 0 ]; then
  60                 die "There are no patches to push."
  61         fi
  62 elif [ ! -z "$num" ]; then
  63         # we are supposed to pop a set number of patches
  64
  65         [ "$patch" -lt 0 ] && die "Invalid number of patches to push."
  66
  67         eidx=`get_series | wc -l`
  68
  69         # calculate end index from current
  70         tidx=`wc -l < $applied`
  71         tidx=`expr $tidx + $patch`
  72
  73         # clamp to minimum
  74         [ $tidx -lt $eidx ] && eidx=$tidx
  75
  76 elif [ -z "$patch" ]; then
  77         # we are supposed to push only the next patch onto the stack
  78
  79         eidx=`wc -l < $applied`
  80         eidx=`expr $eidx + 1`
  81 else
  82         # we're supposed to push only up to a patch, make sure the patch is
  83         # in the series
  84
  85         eidx=`get_series | grep -ne "^$patch\$" | cut -d: -f1`
  86         if [ -z "$eidx" ]; then
  87                 die "Patch $patch is not in the series or is guarded."
  88         fi
  89 fi
  90
  91 # make sure that there are no unapplied changes
  92 if ! must_commit_first; then
  93         die "Uncommited changes detected. Refresh first."
  94 fi
  95
  96 # now, find the starting patch
  97 sidx=`wc -l < $applied`
  98 sidx=`expr $sidx + 1`
  99
 100 # do we actually have to push anything?
 101 if [ "$sidx" -gt "$eidx" ]; then
 102         if [ "$sidx" -le "`get_series | wc -l`" ]; then
 103                 disp "Patch is already applied."
 104         else
 105                 disp "File series fully applied, ends at patch `get_series | tail -1`"
 106         fi
 107         exit 0
 108 fi
 109
 110 get_series | sed -n -e "${sidx},${eidx}p" | while read p
 111 do
 112         disp "Applying patch..$p"
 113         if [ ! -f "$GUILT_DIR/$branch/$p" ]; then
 114                 die "Patch $p does not exist. Aborting."
 115         fi
 116
 117         push_patch "$p" $abort_flag
 118
 119         # bail if necessary
 120         if [ $? -eq 0 ]; then
 121                 disp "Patch applied."
 122         elif [ -z "$abort_flag" ]; then
 123                 die "Patch applied with rejects. Fix it up, and refresh."
 124         else
 125                 die "To force apply this patch, use 'guilt push -f'"
 126         fi
 127 done
 128