git-commit.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2005 Linus Torvalds
   4 #
   5
   6 USAGE='[-a] [-s] [-v | --no-verify]  [-m <message> | -F <logfile> | (-C|-c) <commit>] [-e] [<path>...]'
   7 . git-sh-setup
   8
   9 all= logfile= use_commit= no_edit= log_given= log_message= verify=t signoff=
  10 while case "$#" in 0) break;; esac
  11 do
  12   case "$1" in
  13   -a|--a|--al|--all)
  14     all=t
  15     shift ;;
  16   -F=*|--f=*|--fi=*|--fil=*|--file=*)
  17     log_given=t$log_given
  18     logfile=`expr "$1" : '-[^=]*=\(.*\)'`
  19     no_edit=t
  20     shift ;;
  21   -F|--f|--fi|--fil|--file)
  22     case "$#" in 1) usage ;; esac; shift
  23     log_given=t$log_given
  24     logfile="$1"
  25     no_edit=t
  26     shift ;;
  27   -m=*|--m=*|--me=*|--mes=*|--mess=*|--messa=*|--messag=*|--message=*)
  28     log_given=t$log_given
  29     log_message=`expr "$1" : '-[^=]*=\(.*\)'`
  30     no_edit=t
  31     shift ;;
  32   -m|--m|--me|--mes|--mess|--messa|--messag|--message)
  33     case "$#" in 1) usage ;; esac; shift
  34     log_given=t$log_given
  35     log_message="$1"
  36     no_edit=t
  37     shift ;;
  38   -c=*|--ree=*|--reed=*|--reedi=*|--reedit=*|--reedit-=*|--reedit-m=*|\
  39   --reedit-me=*|--reedit-mes=*|--reedit-mess=*|--reedit-messa=*|\
  40   --reedit-messag=*|--reedit-message=*)
  41     log_given=t$log_given
  42     use_commit=`expr "$1" : '-[^=]*=\(.*\)'`
  43     shift ;;
  44   -c|--ree|--reed|--reedi|--reedit|--reedit-|--reedit-m|--reedit-me|\
  45   --reedit-mes|--reedit-mess|--reedit-messa|--reedit-messag|--reedit-message)
  46     case "$#" in 1) usage ;; esac; shift
  47     log_given=t$log_given
  48     use_commit="$1"
  49     shift ;;
  50   -C=*|--reu=*|--reus=*|--reuse=*|--reuse-=*|--reuse-m=*|--reuse-me=*|\
  51   --reuse-mes=*|--reuse-mess=*|--reuse-messa=*|--reuse-messag=*|\
  52   --reuse-message=*)
  53     log_given=t$log_given
  54     use_commit=`expr "$1" : '-[^=]*=\(.*\)'`
  55     no_edit=t
  56     shift ;;
  57   -C|--reu|--reus|--reuse|--reuse-|--reuse-m|--reuse-me|--reuse-mes|\
  58   --reuse-mess|--reuse-messa|--reuse-messag|--reuse-message)
  59     case "$#" in 1) usage ;; esac; shift
  60     log_given=t$log_given
  61     use_commit="$1"
  62     no_edit=t
  63     shift ;;
  64   -e|--e|--ed|--edi|--edit)
  65     no_edit=
  66     shift ;;
  67   -s|--s|--si|--sig|--sign|--signo|--signof|--signoff)
  68     signoff=t
  69     shift ;;
  70   -n|--n|--no|--no-|--no-v|--no-ve|--no-ver|--no-veri|--no-verif|--no-verify)
  71     verify=
  72     shift ;;
  73   -v|--v|--ve|--ver|--veri|--verif|--verify)
  74     verify=t
  75     shift ;;
  76   --)
  77     shift
  78     break ;;
  79   -*)
  80      usage ;;
  81   *)
  82     break ;;
  83   esac
  84 done
  85
  86 case "$log_given" in
  87 tt*)
  88   die "Only one of -c/-C/-F/-m can be used." ;;
  89 esac
  90
  91 case "$all,$#" in
  92 t,0)
  93         git-diff-files --name-only -z |
  94         git-update-index --remove -z --stdin
  95         ;;
  96 t,*)
  97         die "Cannot use -a and explicit files at the same time."
  98         ;;
  99 ,0)
 100         ;;
 101 *)
 102         git-diff-files --name-only -z -- "$@" |
 103         git-update-index --remove -z --stdin
 104         ;;
 105 esac || exit 1
 106 git-update-index -q --refresh || exit 1
 107
 108 case "$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 elif test -f "$GIT_DIR/MERGE_HEAD" && test -f "$GIT_DIR/MERGE_MSG"
 133 then
 134         cat "$GIT_DIR/MERGE_MSG"
 135 fi | git-stripspace >"$GIT_DIR"/COMMIT_EDITMSG
 136
 137 case "$signoff" in
 138 t)
 139         {
 140                 echo
 141                 git-var GIT_COMMITTER_IDENT | sed -e '
 142                         s/>.*/>/
 143                         s/^/Signed-off-by: /
 144                 '
 145         } >>"$GIT_DIR"/COMMIT_EDITMSG
 146         ;;
 147 esac
 148
 149 if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
 150         echo "#"
 151         echo "# It looks like you may be committing a MERGE."
 152         echo "# If this is not correct, please remove the file"
 153         echo "# $GIT_DIR/MERGE_HEAD"
 154         echo "# and try again"
 155         echo "#"
 156 fi >>"$GIT_DIR"/COMMIT_EDITMSG
 157
 158 PARENTS="-p HEAD"
 159 if GIT_DIR="$GIT_DIR" git-rev-parse --verify HEAD >/dev/null 2>&1
 160 then
 161         if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
 162                 PARENTS="-p HEAD "`sed -e 's/^/-p /' "$GIT_DIR/MERGE_HEAD"`
 163         fi
 164         if test "$use_commit" != ""
 165         then
 166                 pick_author_script='
 167                 /^author /{
 168                         s/'\''/'\''\\'\'\''/g
 169                         h
 170                         s/^author \([^<]*\) <[^>]*> .*$/\1/
 171                         s/'\''/'\''\'\'\''/g
 172                         s/.*/GIT_AUTHOR_NAME='\''&'\''/p
 173
 174                         g
 175                         s/^author [^<]* <\([^>]*\)> .*$/\1/
 176                         s/'\''/'\''\'\'\''/g
 177                         s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p
 178
 179                         g
 180                         s/^author [^<]* <[^>]*> \(.*\)$/\1/
 181                         s/'\''/'\''\'\'\''/g
 182                         s/.*/GIT_AUTHOR_DATE='\''&'\''/p
 183
 184                         q
 185                 }
 186                 '
 187                 set_author_env=`git-cat-file commit "$use_commit" |
 188                 LANG=C LC_ALL=C sed -ne "$pick_author_script"`
 189                 eval "$set_author_env"
 190                 export GIT_AUTHOR_NAME
 191                 export GIT_AUTHOR_EMAIL
 192                 export GIT_AUTHOR_DATE
 193         fi
 194 else
 195         if [ -z "$(git-ls-files)" ]; then
 196                 echo Nothing to commit 1>&2
 197                 exit 1
 198         fi
 199         PARENTS=""
 200 fi
 201 git-status >>"$GIT_DIR"/COMMIT_EDITMSG
 202 if [ "$?" != "0" -a ! -f "$GIT_DIR/MERGE_HEAD" ]
 203 then
 204         rm -f "$GIT_DIR/COMMIT_EDITMSG"
 205         git-status
 206         exit 1
 207 fi
 208 case "$no_edit" in
 209 '')
 210         case "${VISUAL:-$EDITOR},$TERM" in
 211         ,dumb)
 212                 echo >&2 "Terminal is dumb but no VISUAL nor EDITOR defined."
 213                 echo >&2 "Please supply the commit log message using either"
 214                 echo >&2 "-m or -F option.  A boilerplate log message has"
 215                 echo >&2 "been prepared in $GIT_DIR/COMMIT_EDITMSG"
 216                 exit 1 ;;
 217         esac
 218         ${VISUAL:-${EDITOR:-vi}} "$GIT_DIR/COMMIT_EDITMSG"
 219         ;;
 220 esac
 221
 222 case "$verify" in
 223 t)
 224         if test -x "$GIT_DIR"/hooks/commit-msg
 225         then
 226                 "$GIT_DIR"/hooks/commit-msg "$GIT_DIR"/COMMIT_EDITMSG || exit
 227         fi
 228 esac
 229
 230 grep -v '^#' < "$GIT_DIR"/COMMIT_EDITMSG |
 231 git-stripspace > "$GIT_DIR"/COMMIT_MSG
 232
 233 if cnt=`grep -v -i '^Signed-off-by' "$GIT_DIR"/COMMIT_MSG |
 234         git-stripspace |
 235         wc -l` &&
 236    test 0 -lt $cnt
 237 then
 238         tree=$(git-write-tree) &&
 239         commit=$(cat "$GIT_DIR"/COMMIT_MSG | git-commit-tree $tree $PARENTS) &&
 240         git-update-ref HEAD $commit $current &&
 241         rm -f -- "$GIT_DIR/MERGE_HEAD"
 242 else
 243         echo >&2 "* no commit message?  aborting commit."
 244         false
 245 fi
 246 ret="$?"
 247 rm -f "$GIT_DIR/COMMIT_MSG" "$GIT_DIR/COMMIT_EDITMSG"
 248
 249 if test -x "$GIT_DIR"/hooks/post-commit && test "$ret" = 0
 250 then
 251         "$GIT_DIR"/hooks/post-commit
 252 fi
 253 exit "$ret"