user-manual: clean up fast-forward and dangling-objects sections

diff --git a/git-commit.sh b/git-commit.sh
index ec506d956fa2858897c53b35d28db8083b7fdcec..292cf967e3cbc77e7b49eb7252a756194e917418 100755 (executable)
--- a/git-commit.sh
+++ b/git-commit.sh
@@ -3,7 +3,7 @@
 # Copyright (c) 2005 Linus Torvalds
 # Copyright (c) 2006 Junio C Hamano
 
-USAGE='[-a] [-s] [-v] [--no-verify] [-m <message> | -F <logfile> | (-C|-c) <commit> | --amend] [-u] [-e] [--author <author>] [[-i | -o] <path>...]'
+USAGE='[-a | --interactive] [-s] [-v] [--no-verify] [-m <message> | -F <logfile> | (-C|-c) <commit> | --amend] [-u] [-e] [--author <author>] [[-i | -o] <path>...]'
 SUBDIRECTORY_OK=Yes
 . git-sh-setup
 require_work_tree
@@ -13,10 +13,10 @@ git-rev-parse --verify HEAD >/dev/null 2>&1 || initial_commit=t
 case "$0" in
 *status)
        status_only=t
-       unmerged_ok_if_status=--unmerged ;;
+       ;;
 *commit)
        status_only=
-       unmerged_ok_if_status= ;;
+       ;;
 esac
 
 refuse_partial () {
@@ -71,6 +71,7 @@ trap '
 
 all=
 also=
+interactive=
 only=
 logfile=
 use_commit=
@@ -131,6 +132,11 @@ do
                also=t
                shift
                ;;
+       --int|--inte|--inter|--intera|--interac|--interact|--interacti|\
+       --interactiv|--interactive)
+               interactive=t
+               shift
+               ;;
        -o|--o|--on|--onl|--only)
                only=t
                shift
@@ -304,12 +310,14 @@ case "$#,$also,$only,$amend" in
        ;;
 esac
 unset only
-case "$all,$also,$#" in
-t,t,*)
-       die "Cannot use -a and -i at the same time." ;;
+case "$all,$interactive,$also,$#" in
+*t,*t,*)
+       die "Cannot use -a, --interactive or -i at the same time." ;;
 t,,[1-9]*)
        die "Paths with -a does not make sense." ;;
-,t,0)
+,t,[1-9]*)
+       die "Paths with --interactive does not make sense." ;;
+,,t,0)
        die "No paths with -i does not make sense." ;;
 esac
 
@@ -318,6 +326,10 @@ esac
 
 case "$all,$also" in
 t,)
+       if test ! -f "$THIS_INDEX"
+       then
+               die 'nothing to commit (use "git add file1 file2" to include for commit)'
+       fi
        save_index &&
        (
                cd_to_toplevel &&
@@ -340,6 +352,9 @@ t,)
        ) || exit
        ;;
 ,)
+       if test "$interactive" = t; then
+               git add --interactive || exit
+       fi
        case "$#" in
        0)
                ;; # commit as-is
@@ -356,7 +371,7 @@ t,)
                if test -z "$initial_commit"
                then
                        cp "$THIS_INDEX" "$TMP_INDEX"
-                       GIT_INDEX_FILE="$TMP_INDEX" git-read-tree -m HEAD
+                       GIT_INDEX_FILE="$TMP_INDEX" git-read-tree -i -m HEAD
                else
                        rm -f "$TMP_INDEX"
                fi || exit
@@ -389,16 +404,17 @@ else
        USE_INDEX="$THIS_INDEX"
 fi
 
-GIT_INDEX_FILE="$USE_INDEX" \
-       git-update-index -q $unmerged_ok_if_status --refresh || exit
-
-################################################################
-# If the request is status, just show it and exit.
-
-case "$0" in
-*status)
+case "$status_only" in
+t)
+       # This will silently fail in a read-only repository, which is
+       # what we want.
+       GIT_INDEX_FILE="$USE_INDEX" git-update-index -q --unmerged --refresh
        run_status
        exit $?
+       ;;
+'')
+       GIT_INDEX_FILE="$USE_INDEX" git-update-index -q --refresh || exit
+       ;;
 esac
 
 ################################################################
@@ -617,6 +633,9 @@ else
 fi
 ret="$?"
 rm -f "$GIT_DIR/COMMIT_MSG" "$GIT_DIR/COMMIT_EDITMSG" "$GIT_DIR/SQUASH_MSG"
+
+cd_to_toplevel
+
 if test -d "$GIT_DIR/rr-cache"
 then
        git-rerere