git-commit.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2005 Linus Torvalds
   4 #
   5
   6 . git-sh-setup || die "Not a git archive"
   7
   8 usage () {
   9         die 'git commit [-a] [-v | --no-verify]  [-m <message>] [-F <logfile>] [(-C|-c) <commit>] [<path>...]'
  10 }
  11
  12 all= logfile= use_commit= no_edit= log_given= log_message= verify=t signoff=
  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="$1"
  65     no_edit=t
  66     shift ;;
  67   -e|--e|--ed|--edi|--edit)
  68     no_edit=
  69     shift ;;
  70   -s|--s|--si|--sig|--sign|--signo|--signof|--signoff)
  71     signoff=t
  72     shift ;;
  73   -n|--n|--no|--no-|--no-v|--no-ve|--no-ver|--no-veri|--no-verif|--no-verify)
  74     verify=
  75     shift ;;
  76   -v|--v|--ve|--ver|--veri|--verif|--verify)
  77     verify=t
  78     shift ;;
  79   --)
  80     shift
  81     break ;;
  82   -*)
  83      usage ;;
  84   *)
  85     break ;;
  86   esac
  87 done
  88
  89 case "$log_given" in
  90 tt*)
  91   die "Only one of -c/-C/-F/-m can be used." ;;
  92 esac
  93
  94 case "$all,$#" in
  95 t,*)
  96         git-diff-files --name-only -z |
  97         xargs -0 git-update-index -q --remove --
  98         ;;
  99 ,0)
 100         ;;
 101 *)
 102         git-diff-files --name-only -z "$@" |
 103         xargs -0 git-update-index -q --remove --
 104         ;;
 105 esac || exit 1
 106 git-update-index -q --refresh || exit 1
 107
 108 case "$verify" in
 109 t)
 110         if test -x "$GIT_DIR"/hooks/pre-commit
 111         then
 112                 "$GIT_DIR"/hooks/pre-commit || exit
 113         fi
 114 esac
 115
 116 if test "$log_message" != ''
 117 then
 118         echo "$log_message"
 119 elif test "$logfile" != ""
 120 then
 121         if test "$logfile" = -
 122         then
 123                 test -t 0 &&
 124                 echo >&2 "(reading log message from standard input)"
 125                 cat
 126         else
 127                 cat <"$logfile"
 128         fi
 129 elif test "$use_commit" != ""
 130 then
 131         git-cat-file commit "$use_commit" | sed -e '1,/^$/d'
 132 fi | git-stripspace >.editmsg
 133
 134 case "$signoff" in
 135 t)
 136         git-var GIT_COMMITTER_IDENT | sed -e '
 137                 s/>.*/>/
 138                 s/^/Signed-off-by: /
 139         ' >>.editmsg
 140         ;;
 141 esac
 142
 143 if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
 144
 145         test -f "$GIT_DIR/MERGE_MSG" && cat "$GIT_DIR/MERGE_MSG"
 146
 147         echo "#"
 148         echo "# It looks like your may be committing a MERGE."
 149         echo "# If this is not correct, please remove the file"
 150         echo "# $GIT_DIR/MERGE_HEAD"
 151         echo "# and try again"
 152         echo "#"
 153 fi >>.editmsg
 154
 155 PARENTS="-p HEAD"
 156 if [ ! -r "$GIT_DIR/HEAD" ]; then
 157         if [ -z "$(git-ls-files)" ]; then
 158                 echo Nothing to commit 1>&2
 159                 exit 1
 160         fi
 161         PARENTS=""
 162 else
 163         if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
 164                 PARENTS="-p HEAD "`sed -e 's/^/-p /' "$GIT_DIR/MERGE_HEAD"`
 165         fi
 166         if test "$use_commit" != ""
 167         then
 168                 pick_author_script='
 169                 /^author /{
 170                         h
 171                         s/^author \([^<]*\) <[^>]*> .*$/\1/
 172                         s/'\''/'\''\'\'\''/g
 173                         s/.*/GIT_AUTHOR_NAME='\''&'\''/p
 174
 175                         g
 176                         s/^author [^<]* <\([^>]*\)> .*$/\1/
 177                         s/'\''/'\''\'\'\''/g
 178                         s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p
 179
 180                         g
 181                         s/^author [^<]* <[^>]*> \(.*\)$/\1/
 182                         s/'\''/'\''\'\'\''/g
 183                         s/.*/GIT_AUTHOR_DATE='\''&'\''/p
 184
 185                         q
 186                 }
 187                 '
 188                 set_author_env=`git-cat-file commit "$use_commit" |
 189                 sed -ne "$pick_author_script"`
 190                 eval "$set_author_env"
 191                 export GIT_AUTHOR_NAME
 192                 export GIT_AUTHOR_EMAIL
 193                 export GIT_AUTHOR_DATE
 194         fi
 195 fi
 196 git-status >>.editmsg
 197 if [ "$?" != "0" -a ! -f $GIT_DIR/MERGE_HEAD ]
 198 then
 199         rm -f .editmsg
 200         git-status
 201         exit 1
 202 fi
 203 case "$no_edit" in
 204 '')
 205         ${VISUAL:-${EDITOR:-vi}} .editmsg
 206         ;;
 207 esac
 208
 209 case "$verify" in
 210 t)
 211         if test -x "$GIT_DIR"/hooks/commit-msg
 212         then
 213                 "$GIT_DIR"/hooks/commit-msg .editmsg || exit
 214         fi
 215 esac
 216
 217 grep -v '^#' < .editmsg | git-stripspace > .cmitmsg
 218 grep -v -i '^Signed-off-by' .cmitmsg >.cmitchk
 219 if test -s .cmitchk
 220 then
 221         tree=$(git-write-tree) &&
 222         commit=$(cat .cmitmsg | git-commit-tree $tree $PARENTS) &&
 223         echo $commit > "$GIT_DIR/HEAD" &&
 224         rm -f -- "$GIT_DIR/MERGE_HEAD"
 225 else
 226         echo >&2 "* no commit message?  aborting commit."
 227         false
 228 fi
 229 ret="$?"
 230 rm -f .cmitmsg .editmsg .cmitchk
 231
 232 if test -x "$GIT_DIR"/hooks/post-commit && test "$ret" = 0
 233 then
 234         "$GIT_DIR"/hooks/post-commit
 235 fi
 236 exit "$ret"