git-commit.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2005 Linus Torvalds
   4 #
   5
   6 . git-sh-setup
   7
   8 usage () {
   9         die 'git commit [-a] [-s] [-v | --no-verify]  [-m <message> | -F <logfile> | (-C|-c) <commit>] [-e] [<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,0)
  96         git-diff-files --name-only -z |
  97         git-update-index --remove -z --stdin
  98         ;;
  99 t,*)
 100         die "Cannot use -a and explicit files at the same time."
 101         ;;
 102 ,0)
 103         ;;
 104 *)
 105         git-diff-files --name-only -z -- "$@" |
 106         git-update-index --remove -z --stdin
 107         ;;
 108 esac || exit 1
 109 git-update-index -q --refresh || exit 1
 110
 111 case "$verify" in
 112 t)
 113         if test -x "$GIT_DIR"/hooks/pre-commit
 114         then
 115                 "$GIT_DIR"/hooks/pre-commit || exit
 116         fi
 117 esac
 118
 119 if test "$log_message" != ''
 120 then
 121         echo "$log_message"
 122 elif test "$logfile" != ""
 123 then
 124         if test "$logfile" = -
 125         then
 126                 test -t 0 &&
 127                 echo >&2 "(reading log message from standard input)"
 128                 cat
 129         else
 130                 cat <"$logfile"
 131         fi
 132 elif test "$use_commit" != ""
 133 then
 134         git-cat-file commit "$use_commit" | sed -e '1,/^$/d'
 135 elif test -f "$GIT_DIR/MERGE_HEAD" && test -f "$GIT_DIR/MERGE_MSG"
 136 then
 137         cat "$GIT_DIR/MERGE_MSG"
 138 fi | git-stripspace >"$GIT_DIR"/COMMIT_EDITMSG
 139
 140 case "$signoff" in
 141 t)
 142         {
 143                 echo
 144                 git-var GIT_COMMITTER_IDENT | sed -e '
 145                         s/>.*/>/
 146                         s/^/Signed-off-by: /
 147                 '
 148         } >>"$GIT_DIR"/COMMIT_EDITMSG
 149         ;;
 150 esac
 151
 152 if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
 153         echo "#"
 154         echo "# It looks like your may be committing a MERGE."
 155         echo "# If this is not correct, please remove the file"
 156         echo "# $GIT_DIR/MERGE_HEAD"
 157         echo "# and try again"
 158         echo "#"
 159 fi >>"$GIT_DIR"/COMMIT_EDITMSG
 160
 161 PARENTS="-p HEAD"
 162 if GIT_DIR="$GIT_DIR" git-rev-parse --verify HEAD >/dev/null 2>&1
 163 then
 164         if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
 165                 PARENTS="-p HEAD "`sed -e 's/^/-p /' "$GIT_DIR/MERGE_HEAD"`
 166         fi
 167         if test "$use_commit" != ""
 168         then
 169                 pick_author_script='
 170                 /^author /{
 171                         h
 172                         s/^author \([^<]*\) <[^>]*> .*$/\1/
 173                         s/'\''/'\''\'\'\''/g
 174                         s/.*/GIT_AUTHOR_NAME='\''&'\''/p
 175
 176                         g
 177                         s/^author [^<]* <\([^>]*\)> .*$/\1/
 178                         s/'\''/'\''\'\'\''/g
 179                         s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p
 180
 181                         g
 182                         s/^author [^<]* <[^>]*> \(.*\)$/\1/
 183                         s/'\''/'\''\'\'\''/g
 184                         s/.*/GIT_AUTHOR_DATE='\''&'\''/p
 185
 186                         q
 187                 }
 188                 '
 189                 set_author_env=`git-cat-file commit "$use_commit" |
 190                 LANG=C LC_ALL=C sed -ne "$pick_author_script"`
 191                 eval "$set_author_env"
 192                 export GIT_AUTHOR_NAME
 193                 export GIT_AUTHOR_EMAIL
 194                 export GIT_AUTHOR_DATE
 195         fi
 196 else
 197         if [ -z "$(git-ls-files)" ]; then
 198                 echo Nothing to commit 1>&2
 199                 exit 1
 200         fi
 201         PARENTS=""
 202 fi
 203 git-status >>"$GIT_DIR"/COMMIT_EDITMSG
 204 if [ "$?" != "0" -a ! -f "$GIT_DIR/MERGE_HEAD" ]
 205 then
 206         rm -f "$GIT_DIR/COMMIT_EDITMSG"
 207         git-status
 208         exit 1
 209 fi
 210 case "$no_edit" in
 211 '')
 212         ${VISUAL:-${EDITOR:-vi}} "$GIT_DIR/COMMIT_EDITMSG"
 213         ;;
 214 esac
 215
 216 case "$verify" in
 217 t)
 218         if test -x "$GIT_DIR"/hooks/commit-msg
 219         then
 220                 "$GIT_DIR"/hooks/commit-msg "$GIT_DIR"/COMMIT_EDITMSG || exit
 221         fi
 222 esac
 223
 224 grep -v '^#' < "$GIT_DIR"/COMMIT_EDITMSG |
 225 git-stripspace > "$GIT_DIR"/COMMIT_MSG
 226
 227 if cnt=`grep -v -i '^Signed-off-by' "$GIT_DIR"/COMMIT_MSG |
 228         git-stripspace |
 229         wc -l` &&
 230    test 0 -lt $cnt
 231 then
 232         tree=$(git-write-tree) &&
 233         commit=$(cat "$GIT_DIR"/COMMIT_MSG | git-commit-tree $tree $PARENTS) &&
 234         git-update-ref HEAD $commit $current &&
 235         rm -f -- "$GIT_DIR/MERGE_HEAD"
 236 else
 237         echo >&2 "* no commit message?  aborting commit."
 238         false
 239 fi
 240 ret="$?"
 241 rm -f "$GIT_DIR/COMMIT_MSG" "$GIT_DIR/COMMIT_EDITMSG"
 242
 243 if test -x "$GIT_DIR"/hooks/post-commit && test "$ret" = 0
 244 then
 245         "$GIT_DIR"/hooks/post-commit
 246 fi
 247 exit "$ret"