git-format-patch-script

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2005 Junio C Hamano
   4 #
   5
   6 usage () {
   7     echo >&2 "usage: $0"' [-n] [-o dir] [-<diff options>...] upstream [ our-head ]
   8
   9 Prepare each commit with its patch since our-head forked from upstream,
  10 one file per patch, for e-mail submission.  Each output file is
  11 numbered sequentially from 1, and uses the first line of the commit
  12 message (massaged for pathname safety) as the filename.
  13
  14 When -o is specified, output files are created in that directory; otherwise in
  15 the current working directory.
  16
  17 When -n is specified, instead of "[PATCH] Subject", the first line is formatted
  18 as "[PATCH N/M] Subject", unless you have only one patch.
  19 '
  20     exit 1
  21 }
  22
  23 diff_opts=
  24 IFS='
  25 '
  26 LF='
  27 '
  28 outdir=./
  29
  30 while case "$#" in 0) break;; esac
  31 do
  32     case "$1" in
  33     -n|--n|--nu|--num|--numb|--numbe|--number|--numbere|--numbered)
  34     numbered=t ;;
  35     -o=*|--o=*|--ou=*|--out=*|--outp=*|--outpu=*|--output=*|--output-=*|\
  36     --output-d=*|--output-di=*|--output-dir=*|--output-dire=*|\
  37     --output-direc=*|--output-direct=*|--output-directo=*|\
  38     --output-director=*|--output-directory=*)
  39     outdir=`expr "$1" : '-[^=]*=\(.*\)'` ;;
  40     -o|--o|--ou|--out|--outp|--outpu|--output|--output-|--output-d|\
  41     --output-di|--output-dir|--output-dire|--output-direc|--output-direct|\
  42     --output-directo|--output-director|--output-directory)
  43     case "$#" in 1) usage ;; esac; shift
  44     outdir="$1" ;;
  45     -*) diff_opts="$diff_opts$LF$1" ;;
  46     *) break ;;
  47     esac
  48     shift
  49 done
  50
  51 case "$#" in
  52 2)    linus="$1" junio="$2" ;;
  53 1)    linus="$1" junio=HEAD ;;
  54 *)    usage ;;
  55 esac
  56 junio=`git-rev-parse --verify "$junio"`
  57 linus=`git-rev-parse --verify "$linus"`
  58
  59 case "$outdir" in
  60 */) ;;
  61 *) outdir="$outdir/" ;;
  62 esac
  63 test -d "$outdir" || mkdir -p "$outdir" || exit
  64
  65 tmp=.tmp-series$$
  66 trap 'rm -f $tmp-*' 0 1 2 3 15
  67
  68 series=$tmp-series
  69
  70 titleScript='
  71         /./d
  72         /^$/n
  73         s/^\[PATCH[^]]*\] *//
  74         s/[^-a-z.A-Z_0-9]/-/g
  75         s/\.\.\.*/\./g
  76         s/\.*$//
  77         s/--*/-/g
  78         s/^-//
  79         s/-$//
  80         s/$/./
  81         p
  82         q
  83 '
  84
  85 _x40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
  86 _x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40"
  87 stripCommitHead='/^'"$_x40"' (from '"$_x40"')$/d'
  88
  89 git-rev-list --merge-order "$junio" "^$linus" >$series
  90 total=`wc -l <$series`
  91 i=$total
  92 while read commit
  93 do
  94     title=`git-cat-file commit "$commit" |
  95     git-stripspace |
  96     sed -ne "$titleScript"`
  97     case "$numbered" in
  98     '') num= ;;
  99     *)
 100         case $total in
 101         1) num= ;;
 102         *) num=' '`printf "%d/%d" $i $total` ;;
 103         esac
 104     esac
 105     file=`printf '%04d-%stxt' $i "$title"`
 106     i=`expr "$i" - 1`
 107     echo "$file"
 108     {
 109         mailScript='
 110         /./d
 111         /^$/n
 112         s|^|[PATCH'"$num"'] |
 113         : body
 114         p
 115         n
 116         b body'
 117
 118         git-cat-file commit "$commit" |
 119         git-stripspace |
 120         sed -ne "$mailScript"
 121         echo '---'
 122         echo
 123         git-diff-tree -p $diff_opts "$commit" | git-apply --stat --summary
 124         echo
 125         git-diff-tree -p $diff_opts "$commit" | sed -e "$stripCommitHead"
 126     } >"$outdir$file"
 127 done <$series