git-resolve: dying is good, not showing help is bad.
[gitweb.git] / git-commit-script
index 2632afdeede1af08e59fe1163cc8be2ba9e9f5cf..5c5f564a28e779de333ea96c35c95993f7535869 100755 (executable)
 # Copyright (c) 2005 Linus Torvalds
 #
 
+. git-sh-setup-script || die "Not a git archive"
+
 usage () {
-    echo 'git commit [-m existing-commit] [<path>...]'
-    exit 1
+       die 'git commit [-a] [-v | --no-verify]  [-m <message>] [-F <logfile>] [(-C|-c) <commit>] [<path>...]'
 }
 
-: ${GIT_DIR=.git}
-if [ ! -d "$GIT_DIR" ]; then
-       echo Not a git directory 1>&2
-       exit 1
-fi
-while case "$#" in 0) break ;; esac
+all= logfile= use_commit= no_edit= log_given= log_message= verify=t signoff=
+while case "$#" in 0) break;; esac
 do
-    case "$1" in
-    -m) shift
-        case "$#" in
-       0) usage ;;
-       *) use_commit=`git-rev-parse "$1"` ||
-          exit ;;
-       esac
-       ;;
-    *)  break
-        ;;
-    esac
+  case "$1" in
+  -a|--a|--al|--all)
+    all=t
+    shift ;;
+  -F=*|--f=*|--fi=*|--fil=*|--file=*)
+    log_given=t$log_given
+    logfile=`expr "$1" : '-[^=]*=\(.*\)'`
+    no_edit=t
+    shift ;;
+  -F|--f|--fi|--fil|--file)
+    case "$#" in 1) usage ;; esac; shift
+    log_given=t$log_given
+    logfile="$1"
+    no_edit=t
+    shift ;;
+  -m=*|--m=*|--me=*|--mes=*|--mess=*|--messa=*|--messag=*|--message=*)
+    log_given=t$log_given
+    log_message=`expr "$1" : '-[^=]*=\(.*\)'`
+    no_edit=t
+    shift ;;
+  -m|--m|--me|--mes|--mess|--messa|--messag|--message)
+    case "$#" in 1) usage ;; esac; shift
+    log_given=t$log_given
+    log_message="$1"
+    no_edit=t
+    shift ;;
+  -c=*|--ree=*|--reed=*|--reedi=*|--reedit=*|--reedit-=*|--reedit-m=*|\
+  --reedit-me=*|--reedit-mes=*|--reedit-mess=*|--reedit-messa=*|\
+  --reedit-messag=*|--reedit-message=*)
+    log_given=t$log_given
+    use_commit=`expr "$1" : '-[^=]*=\(.*\)'`
+    shift ;;
+  -c|--ree|--reed|--reedi|--reedit|--reedit-|--reedit-m|--reedit-me|\
+  --reedit-mes|--reedit-mess|--reedit-messa|--reedit-messag|--reedit-message)
+    case "$#" in 1) usage ;; esac; shift
+    log_given=t$log_given
+    use_commit="$1"
+    shift ;;
+  -C=*|--reu=*|--reus=*|--reuse=*|--reuse-=*|--reuse-m=*|--reuse-me=*|\
+  --reuse-mes=*|--reuse-mess=*|--reuse-messa=*|--reuse-messag=*|\
+  --reuse-message=*)
+    log_given=t$log_given
+    use_commit=`expr "$1" : '-[^=]*=\(.*\)'`
+    no_edit=t
+    shift ;;
+  -C|--reu|--reus|--reuse|--reuse-|--reuse-m|--reuse-me|--reuse-mes|\
+  --reuse-mess|--reuse-messa|--reuse-messag|--reuse-message)
+    case "$#" in 1) usage ;; esac; shift
+    log_given=t$log_given
+    use_commit="$1"
+    no_edit=t
+    shift ;;
+  -s|--s|--si|--sig|--sign|--signo|--signof|--signoff)
+    signoff=t
+    shift ;;
+  -n|--n|--no|--no-|--no-v|--no-ve|--no-ver|--no-veri|--no-verif|--no-verify)
+    verify=
+    shift ;;
+  -v|--v|--ve|--ver|--veri|--verif|--verify)
+    verify=t
+    shift ;;
+  --)
     shift
+    break ;;
+  -*)
+     usage ;;
+  *)
+    break ;;
+  esac
 done
 
-git-update-cache -q --refresh -- "$@" || exit 1
+case "$log_given" in
+tt*)
+  die "Only one of -c/-C/-F/-m can be used." ;;
+esac
+
+case "$all,$#" in
+t,*)
+       git-diff-files --name-only -z |
+       xargs -0 git-update-cache -q --remove --
+       ;;
+,0)
+       ;;
+*)
+       git-diff-files --name-only -z "$@" |
+       xargs -0 git-update-cache -q --remove --
+       ;;
+esac || exit 1
+git-update-cache -q --refresh || exit 1
+
+case "$verify" in
+t)
+       if test -x "$GIT_DIR"/hooks/pre-commit
+       then
+               "$GIT_DIR"/hooks/pre-commit || exit
+       fi
+esac
+
 PARENTS="-p HEAD"
 if [ ! -r "$GIT_DIR/HEAD" ]; then
        if [ -z "$(git-ls-files)" ]; then
                echo Nothing to commit 1>&2
                exit 1
        fi
-       (
+       {
                echo "#"
                echo "# Initial commit"
+               case "$no_edit" in
+               t) echo "# (ignoring your commit message for initial commit)"
+                  no_edit= 
+               esac
                echo "#"
                git-ls-files | sed 's/^/# New file: /'
                echo "#"
-       ) > .editmsg
+       } >.editmsg
        PARENTS=""
+       no_edit=
 else
        if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
+               {
                echo "#"
                echo "# It looks like your may be committing a MERGE."
                echo "# If this is not correct, please remove the file"
                echo "# $GIT_DIR/MERGE_HEAD"
                echo "# and try again"
+               case "$no_edit" in
+               t) echo "# (ignoring your commit message for merge commit)"
+                  no_edit= 
+               esac
                echo "#"
+               } |
+               git-stripspace >.editmsg
                PARENTS="-p HEAD -p MERGE_HEAD"
+       elif test "$log_message" != ''
+       then
+               echo "$log_message" |
+               git-stripspace >.editmsg
+       elif test "$logfile" != ""
+       then
+               if test "$logfile" = -
+               then
+                       test -t 0 &&
+                       echo >&2 "(reading log message from standard input)"
+                       cat
+               else
+                       cat <"$logfile"
+               fi |
+               git-stripspace >.editmsg
        elif test "$use_commit" != ""
        then
                pick_author_script='
@@ -82,27 +189,55 @@ else
                export GIT_AUTHOR_EMAIL
                export GIT_AUTHOR_DATE
                git-cat-file commit "$use_commit" |
-               sed -e '1,/^$/d'
-       fi >.editmsg
+               sed -e '1,/^$/d' |
+               git-stripspace >.editmsg
+       fi
+
+       case "$signoff" in
+       t)
+               git-var GIT_COMMITTER_IDENT | sed -e '
+                       s/>.*/>/
+                       s/^/Signed-off-by: /' >>.editmsg ;;
+       esac
        git-status-script >>.editmsg
 fi
-if [ "$?" != "0" ]
+if [ "$?" != "0" -a ! -f $GIT_DIR/MERGE_HEAD ]
 then
        cat .editmsg
        rm .editmsg
        exit 1
 fi
-case "$use_commit" in
+case "$no_edit" in
 '')
        ${VISUAL:-${EDITOR:-vi}} .editmsg
        ;;
 esac
+
+case "$verify" in
+t)
+       if test -x "$GIT_DIR"/hooks/commit-msg
+       then
+               "$GIT_DIR"/hooks/commit-msg .editmsg || exit
+       fi
+esac
+
 grep -v '^#' < .editmsg | git-stripspace > .cmitmsg
-[ -s .cmitmsg ] && 
+grep -v -i '^Signed-off-by' .cmitmsg >.cmitchk
+if test -s .cmitchk
+then
        tree=$(git-write-tree) &&
        commit=$(cat .cmitmsg | git-commit-tree $tree $PARENTS) &&
        echo $commit > "$GIT_DIR/HEAD" &&
        rm -f -- "$GIT_DIR/MERGE_HEAD"
+else
+       echo >&2 "* no commit message?  aborting commit."
+       false
+fi
 ret="$?"
-rm -f .cmitmsg .editmsg
+rm -f .cmitmsg .editmsg .cmitchk
+
+if test -x "$GIT_DIR"/hooks/post-commit && test "$ret" = 0
+then
+       "$GIT_DIR"/hooks/post-commit
+fi
 exit "$ret"