git-commit-script

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2005 Linus Torvalds
   4 #
   5
   6 . git-sh-setup-script || die "Not a git archive"
   7
   8 usage () {
   9         die 'git commit [-a]  [-m <message>] [-F <logfile>] [(-C|-c) <commit>] [<path>...]'
  10 }
  11
  12 all= logfile= use_commit= no_edit= log_given= log_message=
  13 while case "$#" in 0) break;; esac
  14 do
  15   case "$1" in
  16   -a|--a|--al|--all)
  17     all=t
  18     shift ;;
  19   -F=*|--f=*|--fi=*|--fil=*|--file=*)
  20     log_given=t$log_given
  21     logfile=`expr "$1" : '-[^=]*=\(.*\)'`
  22     no_edit=t
  23     shift ;;
  24   -F|--f|--fi|--fil|--file)
  25     case "$#" in 1) usage ;; esac; shift
  26     log_given=t$log_given
  27     logfile="$1"
  28     no_edit=t
  29     shift ;;
  30   -m=*|--m=*|--me=*|--mes=*|--mess=*|--messa=*|--messag=*|--message=*)
  31     log_given=t$log_given
  32     log_message=`expr "$1" : '-[^=]*=\(.*\)'`
  33     no_edit=t
  34     shift ;;
  35   -m|--m|--me|--mes|--mess|--messa|--messag|--message)
  36     case "$#" in 1) usage ;; esac; shift
  37     log_given=t$log_given
  38     log_message="$1"
  39     no_edit=t
  40     shift ;;
  41   -c=*|--ree=*|--reed=*|--reedi=*|--reedit=*|--reedit-=*|--reedit-m=*|\
  42   --reedit-me=*|--reedit-mes=*|--reedit-mess=*|--reedit-messa=*|\
  43   --reedit-messag=*|--reedit-message=*)
  44     log_given=t$log_given
  45     use_commit=`expr "$1" : '-[^=]*=\(.*\)'`
  46     shift ;;
  47   -c|--ree|--reed|--reedi|--reedit|--reedit-|--reedit-m|--reedit-me|\
  48   --reedit-mes|--reedit-mess|--reedit-messa|--reedit-messag|--reedit-message)
  49     case "$#" in 1) usage ;; esac; shift
  50     log_given=t$log_given
  51     use_commit="$1"
  52     shift ;;
  53   -C=*|--reu=*|--reus=*|--reuse=*|--reuse-=*|--reuse-m=*|--reuse-me=*|\
  54   --reuse-mes=*|--reuse-mess=*|--reuse-messa=*|--reuse-messag=*|\
  55   --reuse-message=*)
  56     log_given=t$log_given
  57     use_commit=`expr "$1" : '-[^=]*=\(.*\)'`
  58     no_edit=t
  59     shift ;;
  60   -C|--reu|--reus|--reuse|--reuse-|--reuse-m|--reuse-me|--reuse-mes|\
  61   --reuse-mess|--reuse-messa|--reuse-messag|--reuse-message)
  62     case "$#" in 1) usage ;; esac; shift
  63     log_given=t$log_given
  64     use_commit="$1"
  65     no_edit=t
  66     shift ;;
  67   --)
  68     shift
  69     break ;;
  70   -*)
  71      usage ;;
  72   *)
  73     break ;;
  74   esac
  75 done
  76
  77 case "$log_given" in
  78 tt*)
  79   die "Only one of -c/-C/-F/-m can be used." ;;
  80 esac
  81
  82 case "$all" in
  83 t)
  84         git-diff-files --name-only -z |
  85         xargs -0 git-update-cache -q -- || exit 1 ;;
  86 esac
  87 git-update-cache -q --refresh -- "$@" || exit 1
  88
  89 PARENTS="-p HEAD"
  90 if [ ! -r "$GIT_DIR/HEAD" ]; then
  91         if [ -z "$(git-ls-files)" ]; then
  92                 echo Nothing to commit 1>&2
  93                 exit 1
  94         fi
  95         {
  96                 echo "#"
  97                 echo "# Initial commit"
  98                 case "$no_edit" in
  99                 t) echo "# (ignoring your commit message for initial commit)"
 100                    no_edit=
 101                 esac
 102                 echo "#"
 103                 git-ls-files | sed 's/^/# New file: /'
 104                 echo "#"
 105         } >.editmsg
 106         PARENTS=""
 107         no_edit=
 108 else
 109         if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
 110                 echo "#"
 111                 echo "# It looks like your may be committing a MERGE."
 112                 echo "# If this is not correct, please remove the file"
 113                 echo "# $GIT_DIR/MERGE_HEAD"
 114                 echo "# and try again"
 115                 case "$no_edit" in
 116                 t) echo "# (ignoring your commit message for merge commit)"
 117                    no_edit=
 118                 esac
 119                 echo "#"
 120                 PARENTS="-p HEAD -p MERGE_HEAD"
 121         elif test "$log_message" != ''
 122         then
 123                 echo "$log_message"
 124         elif test "$logfile" != ""
 125         then
 126                 if test "$logfile" = -
 127                 then
 128                         test -t 0 &&
 129                         echo >&2 "(reading log message from standard input)"
 130                         cat
 131                 else
 132                         cat <"$logfile"
 133                 fi
 134         elif test "$use_commit" != ""
 135         then
 136                 pick_author_script='
 137                 /^author /{
 138                         h
 139                         s/^author \([^<]*\) <[^>]*> .*$/\1/
 140                         s/'\''/'\''\'\'\''/g
 141                         s/.*/GIT_AUTHOR_NAME='\''&'\''/p
 142
 143                         g
 144                         s/^author [^<]* <\([^>]*\)> .*$/\1/
 145                         s/'\''/'\''\'\'\''/g
 146                         s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p
 147
 148                         g
 149                         s/^author [^<]* <[^>]*> \(.*\)$/\1/
 150                         s/'\''/'\''\'\'\''/g
 151                         s/.*/GIT_AUTHOR_DATE='\''&'\''/p
 152
 153                         q
 154                 }
 155                 '
 156                 set_author_env=`git-cat-file commit "$use_commit" |
 157                 sed -ne "$pick_author_script"`
 158                 eval "$set_author_env"
 159                 export GIT_AUTHOR_NAME
 160                 export GIT_AUTHOR_EMAIL
 161                 export GIT_AUTHOR_DATE
 162                 git-cat-file commit "$use_commit" |
 163                 sed -e '1,/^$/d'
 164         fi >.editmsg
 165         git-status-script >>.editmsg
 166 fi
 167 if [ "$?" != "0" -a ! -f $GIT_DIR/MERGE_HEAD ]
 168 then
 169         cat .editmsg
 170         rm .editmsg
 171         exit 1
 172 fi
 173 case "$no_edit" in
 174 '')
 175         ${VISUAL:-${EDITOR:-vi}} .editmsg
 176         ;;
 177 esac
 178 grep -v '^#' < .editmsg | git-stripspace > .cmitmsg
 179 if test -s .cmitmsg
 180 then
 181         tree=$(git-write-tree) &&
 182         commit=$(cat .cmitmsg | git-commit-tree $tree $PARENTS) &&
 183         echo $commit > "$GIT_DIR/HEAD" &&
 184         rm -f -- "$GIT_DIR/MERGE_HEAD"
 185 else
 186         echo >&2 "* no commit message?  aborting commit."
 187         false
 188 fi
 189 ret="$?"
 190 rm -f .cmitmsg .editmsg
 191 exit "$ret"