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