csum-file: fix missing buf pointer update
[gitweb.git] / git-commit-script
index e818d0a35ce2a9f5358520b7c44dfe27845de4b7..2632afdeede1af08e59fe1163cc8be2ba9e9f5cf 100755 (executable)
 #!/bin/sh
-git-status-script > .editmsg
+#
+# Copyright (c) 2005 Linus Torvalds
+#
+
+usage () {
+    echo 'git commit [-m existing-commit] [<path>...]'
+    exit 1
+}
+
+: ${GIT_DIR=.git}
+if [ ! -d "$GIT_DIR" ]; then
+       echo Not a git directory 1>&2
+       exit 1
+fi
+while case "$#" in 0) break ;; esac
+do
+    case "$1" in
+    -m) shift
+        case "$#" in
+       0) usage ;;
+       *) use_commit=`git-rev-parse "$1"` ||
+          exit ;;
+       esac
+       ;;
+    *)  break
+        ;;
+    esac
+    shift
+done
+
+git-update-cache -q --refresh -- "$@" || exit 1
+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"
+               echo "#"
+               git-ls-files | sed 's/^/# New file: /'
+               echo "#"
+       ) > .editmsg
+       PARENTS=""
+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 "# $GIT_DIR/MERGE_HEAD"
+               echo "# and try again"
+               echo "#"
+               PARENTS="-p HEAD -p MERGE_HEAD"
+       elif test "$use_commit" != ""
+       then
+               pick_author_script='
+               /^author /{
+                       h
+                       s/^author \([^<]*\) <[^>]*> .*$/\1/
+                       s/'\''/'\''\'\'\''/g
+                       s/.*/GIT_AUTHOR_NAME='\''&'\''/p
+
+                       g
+                       s/^author [^<]* <\([^>]*\)> .*$/\1/
+                       s/'\''/'\''\'\'\''/g
+                       s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p
+
+                       g
+                       s/^author [^<]* <[^>]*> \(.*\)$/\1/
+                       s/'\''/'\''\'\'\''/g
+                       s/.*/GIT_AUTHOR_DATE='\''&'\''/p
+
+                       q
+               }
+               '
+               set_author_env=`git-cat-file commit "$use_commit" |
+               sed -ne "$pick_author_script"`
+               eval "$set_author_env"
+               export GIT_AUTHOR_NAME
+               export GIT_AUTHOR_EMAIL
+               export GIT_AUTHOR_DATE
+               git-cat-file commit "$use_commit" |
+               sed -e '1,/^$/d'
+       fi >.editmsg
+       git-status-script >>.editmsg
+fi
 if [ "$?" != "0" ]
 then
        cat .editmsg
+       rm .editmsg
        exit 1
 fi
-${VISUAL:-${EDITOR:-vi}} .editmsg
+case "$use_commit" in
+'')
+       ${VISUAL:-${EDITOR:-vi}} .editmsg
+       ;;
+esac
 grep -v '^#' < .editmsg | git-stripspace > .cmitmsg
-[ -s .cmitmsg ] || exit 1
-tree=$(git-write-tree) || exit 1
-commit=$(cat .cmitmsg | git-commit-tree $tree -p HEAD) || exit 1
-echo $commit > ${GIT_DIR:-.git}/HEAD
+[ -s .cmitmsg ] && 
+       tree=$(git-write-tree) &&
+       commit=$(cat .cmitmsg | git-commit-tree $tree $PARENTS) &&
+       echo $commit > "$GIT_DIR/HEAD" &&
+       rm -f -- "$GIT_DIR/MERGE_HEAD"
+ret="$?"
+rm -f .cmitmsg .editmsg
+exit "$ret"