config

diff --git a/config b/config
@@ -43,42 +43,50 @@ call_git()
 case "$1" in
   # Commit and push updates to all remotes
   update)
-    commit_msg_file="$(mktemp)"
-
     # Add the relevant files to the repo
     xargs git --git-dir="$dotfiles_repo" --work-tree="$HOME" add \
       < "$dotfiles_list"
 
     shift
 
-    while [ $# -gt 0 ]
-    do
-      case "$1" in
-        # Edit the commit message directly
-        -e|--edit)
-          printf '' > "$commit_msg_file"
-          $EDITOR "$commit_msg_file" 
-          break
-          ;;
-
-        # Append messages to the temporary file
-        *)
-          printf '%s\n\n' "$1" >> "$commit_msg_file"
-          shift
-          ;;
-      esac
-    done
-
-    # Commit the changes
-    call_git commit -F "$commit_msg_file" || exit $?
+    case "$1" in
+      # Edit the commit message from a file
+      -e|--edit|'')
+        # Create a temporary file to store the commit message
+        commit_msg_file="$(mktemp)"
+        touch "$commit_msg_file"
+
+        # Open the editor and edit the message
+        $EDITOR "$commit_msg_file" 
+        if call_git commit -F "$commit_msg_file" 
+        then
+          # Remove the temporary file
+          rm "$commit_msg_file"
+        else
+          # Remove the temporary file and exit with an error
+          rm "$commit_msg_file"
+          exit 1
+        fi
+        ;;
+
+      # Use to commit messages specified with -m
+      -m)
+        call_git commit "$@" || exit $?
+        ;;
+
+      # Print an error message and exit with an error
+      *)
+        printf "Unknown option: '%s'\nSee config(1)\n" "$1"
+        exit 1
+        ;;
+    esac
 
     # Push the changes to all remotes
-    for remote in $(call_git remote -v | awk '/(push)/ { print $1 }' | uniq)
+    for remote in "$(call_git remote -v | awk '/(push)/ { print $1 }' | uniq)"
     do
       call_git push "$remote" master
     done
 
-    rm "$commit_msg_file"
     ;;
 
   # Add files to the list of files

diff --git a/config.1 b/config.1
@@ -26,7 +26,7 @@
 config \- A simple configuration manager.
 .SH "SYNOPSIS"
 .sp
-\fBconfig\fP update (\-e|\-\-edit|MESSAGE)
+\fBconfig\fP update [\-e|\-\-edit] [-m MESSAGE]...
 .sp
 \fBconfig\fP add FILE...
 .sp
@@ -46,10 +46,12 @@ The config(1) command uses a bare Git repository to track dotfiles.
 .sp
 \fBupdate\fP
 .RS 4
-Add the current changes, commit and push to all remotes. If the \fI\-e\fP
-or \fI\-\-edit\fP options are specified than config(1) uses \fI$EDITOR\fP to get the
-commit message. Otherwise, the following arguments are used for the commit
-message.
+Add the current changes, commit and push to all remotes. If the \fI\-e\fP or
+\fI\-\-edit\fP options are specified, or if no arguments are passed, config(1)
+uses \fI$EDITOR\fP to get the commit message. In this case, further arguments
+are ignored. If one or more messages are specified via the \fI\-m\fP option,
+this messages are passed to \fIgit\fP directly. Note that the
+\fI\-e\fP/\fI\-\-edit\fP and \fI\-m\fP options are mutually excluding.
 .RE
 .sp
 \fBadd\fP