Andrew's git - gitweb.git/blob - tools/git-applymbox

   1#!/bin/sh
   2##
   3## "dotest" is my stupid name for my patch-application script, which
   4## I never got around to renaming after I tested it. We're now on the
   5## second generation of scripts, still called "dotest".
   6##
   7## Update: Ryan Anderson finally shamed me into naming this "applymbox".
   8##
   9## You give it a mbox-format collection of emails, and it will try to
  10## apply them to the kernel using "applypatch"
  11##
  12## applymbox [-u] [-k] [-q] (-c .dotest/msg-number | mail_archive) [Signoff_file]"
  13##
  14## The patch application may fail in the middle.  In which case:
  15## (1) look at .dotest/patch and fix it up to apply
  16## (2) re-run applymbox with -c .dotest/msg-number for the current one.
  17## Pay a special attention to the commit log message if you do this and
  18## use a Signoff_file, because applypatch wants to append the sign-off
  19## message to msg-clean every time it is run.
  20
  21. git-sh-setup-script || die "Not a git archive"
  22
  23usage () {
  24    echo >&2 "applymbox [-u] [-k] [-q] (-c .dotest/<num> | mbox) [signoff]"
  25    exit 1
  26}
  27
  28keep_subject= query_apply= continue= utf8= resume=t
  29while case "$#" in 0) break ;; esac
  30do
  31        case "$1" in
  32        -u)     utf8=-u ;;
  33        -k)     keep_subject=-k ;;
  34        -q)     query_apply=t ;;
  35        -c)     continue="$2"; resume=f; shift ;;
  36        -*)     usage ;;
  37        *)      break ;;
  38        esac
  39        shift
  40done
  41
  42case "$continue" in
  43'')
  44        rm -rf .dotest
  45        mkdir .dotest
  46        git-mailsplit "$1" .dotest || exit 1
  47        shift
  48esac
  49
  50files=$(git-diff-cache --cached --name-only HEAD) || exit
  51if [ "$files" ]; then
  52   echo "Dirty index: cannot apply patches (dirty: $files)" >&2
  53   exit 1
  54fi
  55
  56case "$query_apply" in
  57t)      touch .dotest/.query_apply
  58esac
  59case "$keep_subject" in
  60-k)     : >.dotest/.keep_subject
  61esac
  62
  63signoff="$1"
  64set x .dotest/0*
  65shift
  66while case "$#" in 0) break;; esac
  67do
  68    i="$1" 
  69    case "$resume,$continue" in
  70    f,$i)       resume=t;;
  71    f,*)        continue;;
  72    *)
  73            git-mailinfo $keep_subject $utf8 \
  74                .dotest/msg .dotest/patch <$i >.dotest/info || exit 1
  75            git-stripspace < .dotest/msg > .dotest/msg-clean
  76            ;;
  77    esac
  78    while :; # for fixing up and retry
  79    do
  80        git-applypatch .dotest/msg-clean .dotest/patch .dotest/info "$signoff"
  81        case "$?" in
  82        0 | 2 )
  83                # 2 is a special exit code from applypatch to indicate that
  84                # the patch wasn't applied, but continue anyway 
  85                ;;
  86        *)
  87                ret=$?
  88                if test -f .dotest/.query_apply
  89                then
  90                        echo >&2 "* Patch failed."
  91                        echo >&2 "* You could fix it up in your editor and"
  92                        echo >&2 "  retry.  If you want to do so, say yes here"
  93                        echo >&2 "  AFTER fixing .dotest/patch up."
  94                        echo >&2 -n "Retry [y/N]? "
  95                        read yesno
  96                        case "$yesno" in
  97                        [Yy]*)
  98                                continue ;;
  99                        esac
 100                fi
 101                exit $ret
 102        esac
 103        break
 104    done
 105    shift
 106done
 107# return to pristine
 108rm -fr .dotest