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= verify= 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="$1"
  65     no_edit=t
  66     shift ;;
  67   -s|--s|--si|--sig|--sign|--signo|--signof|--signoff)
  68     signoff=t
  69     shift ;;
  70   -v|--v|--ve|--ver|--veri|--verif|--verify)
  71     verify=t
  72     shift ;;
  73   --)
  74     shift
  75     break ;;
  76   -*)
  77      usage ;;
  78   *)
  79     break ;;
  80   esac
  81 done
  82
  83 case "$log_given" in
  84 tt*)
  85   die "Only one of -c/-C/-F/-m can be used." ;;
  86 esac
  87
  88 case "$all" in
  89 t)
  90         git-diff-files --name-only -z |
  91         xargs -0 git-update-cache -q --
  92         ;;
  93 *)
  94         git-diff-files --name-only -z "$@" |
  95         xargs -0 git-update-cache -q --
  96         ;;
  97 esac || exit 1
  98 git-update-cache -q --refresh || exit 1
  99
 100 case "$verify" in
 101 t)
 102         # This is slightly modified from Andrew Morton's Perfect Patch.
 103         # Lines you introduce should not have trailing whitespace.
 104         # Also check for an indentation that has SP before a TAB.
 105         perl -e '
 106             my $fh;
 107             my $found_bad = 0;
 108             my $filename;
 109             my $reported_filename = "";
 110             my $lineno;
 111             sub bad_line {
 112                 my ($why, $line) = @_;
 113                 if (!$found_bad) {
 114                     print "*\n";
 115                     print "* You have some suspicious patch lines:\n";
 116                     print "*\n";
 117                     $found_bad = 1;
 118                 }
 119                 if ($reported_filename ne $filename) {
 120                     print "* In $filename\n";
 121                     $reported_filename = $filename;
 122                 }
 123                 print "* $why (line $lineno)\n$line\n";
 124             }
 125             open $fh, "-|", qw(git-diff-cache -p -M --cached HEAD);
 126             while (<$fh>) {
 127                 if (m|^diff --git a/(.*) b/\1$|) {
 128                     $filename = $1;
 129                     next;
 130                 }
 131                 if (/^@@ -\S+ \+(\d+)/) {
 132                     $lineno = $1 - 1;
 133                     next;
 134                 }
 135                 if (/^ /) {
 136                     $lineno++;
 137                     next;
 138                 }
 139                 if (s/^\+//) {
 140                     $lineno++;
 141                     chomp;
 142                     if (/\s$/) {
 143                         bad_line("trailing whitespace", $_);
 144                     }
 145                     if (/^\s*   /) {
 146                         bad_line("indent SP followed by a TAB", $_);
 147                     }
 148                 }
 149             }
 150             exit($found_bad);
 151         ' || exit ;;
 152 esac
 153
 154 PARENTS="-p HEAD"
 155 if [ ! -r "$GIT_DIR/HEAD" ]; then
 156         if [ -z "$(git-ls-files)" ]; then
 157                 echo Nothing to commit 1>&2
 158                 exit 1
 159         fi
 160         {
 161                 echo "#"
 162                 echo "# Initial commit"
 163                 case "$no_edit" in
 164                 t) echo "# (ignoring your commit message for initial commit)"
 165                    no_edit=
 166                 esac
 167                 echo "#"
 168                 git-ls-files | sed 's/^/# New file: /'
 169                 echo "#"
 170         } >.editmsg
 171         PARENTS=""
 172         no_edit=
 173 else
 174         if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
 175                 {
 176                 echo "#"
 177                 echo "# It looks like your may be committing a MERGE."
 178                 echo "# If this is not correct, please remove the file"
 179                 echo "# $GIT_DIR/MERGE_HEAD"
 180                 echo "# and try again"
 181                 case "$no_edit" in
 182                 t) echo "# (ignoring your commit message for merge commit)"
 183                    no_edit=
 184                 esac
 185                 echo "#"
 186                 } |
 187                 git-stripspace >.editmsg
 188                 PARENTS="-p HEAD -p MERGE_HEAD"
 189         elif test "$log_message" != ''
 190         then
 191                 echo "$log_message" |
 192                 git-stripspace >.editmsg
 193         elif test "$logfile" != ""
 194         then
 195                 if test "$logfile" = -
 196                 then
 197                         test -t 0 &&
 198                         echo >&2 "(reading log message from standard input)"
 199                         cat
 200                 else
 201                         cat <"$logfile"
 202                 fi |
 203                 git-stripspace >.editmsg
 204         elif test "$use_commit" != ""
 205         then
 206                 pick_author_script='
 207                 /^author /{
 208                         h
 209                         s/^author \([^<]*\) <[^>]*> .*$/\1/
 210                         s/'\''/'\''\'\'\''/g
 211                         s/.*/GIT_AUTHOR_NAME='\''&'\''/p
 212
 213                         g
 214                         s/^author [^<]* <\([^>]*\)> .*$/\1/
 215                         s/'\''/'\''\'\'\''/g
 216                         s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p
 217
 218                         g
 219                         s/^author [^<]* <[^>]*> \(.*\)$/\1/
 220                         s/'\''/'\''\'\'\''/g
 221                         s/.*/GIT_AUTHOR_DATE='\''&'\''/p
 222
 223                         q
 224                 }
 225                 '
 226                 set_author_env=`git-cat-file commit "$use_commit" |
 227                 sed -ne "$pick_author_script"`
 228                 eval "$set_author_env"
 229                 export GIT_AUTHOR_NAME
 230                 export GIT_AUTHOR_EMAIL
 231                 export GIT_AUTHOR_DATE
 232                 git-cat-file commit "$use_commit" |
 233                 sed -e '1,/^$/d' |
 234                 git-stripspace >.editmsg
 235         fi
 236
 237         case "$signoff" in
 238         t)
 239                 git-var GIT_COMMITTER_IDENT | sed -e '
 240                         s/>.*/>/
 241                         s/^/Signed-off-by: /' >>.editmsg ;;
 242         esac
 243         git-status-script >>.editmsg
 244 fi
 245 if [ "$?" != "0" -a ! -f $GIT_DIR/MERGE_HEAD ]
 246 then
 247         cat .editmsg
 248         rm .editmsg
 249         exit 1
 250 fi
 251 case "$no_edit" in
 252 '')
 253         ${VISUAL:-${EDITOR:-vi}} .editmsg
 254         ;;
 255 esac
 256 grep -v '^#' < .editmsg | git-stripspace > .cmitmsg
 257 grep -v -i '^Signed-off-by' .cmitmsg >.cmitchk
 258 if test -s .cmitchk
 259 then
 260         tree=$(git-write-tree) &&
 261         commit=$(cat .cmitmsg | git-commit-tree $tree $PARENTS) &&
 262         echo $commit > "$GIT_DIR/HEAD" &&
 263         rm -f -- "$GIT_DIR/MERGE_HEAD"
 264 else
 265         echo >&2 "* no commit message?  aborting commit."
 266         false
 267 fi
 268 ret="$?"
 269 rm -f .cmitmsg .editmsg .cmitchk
 270 exit "$ret"