git-svn: add the commit-diff command

diff --git a/git-am.sh b/git-am.sh
index 33f208cb0b7a7d7bad264b41443a966a567156ff..679045a540c60e747074a9127bb7003f8a510b1c 100755 (executable)
--- a/git-am.sh
+++ b/git-am.sh
@@ -59,46 +59,12 @@ fall_back_3way () {
        GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
        git-write-tree >"$dotest/patch-merge-base+" &&
        # index has the base tree now.
-       (
-           cd "$dotest/patch-merge-tmp-dir" &&
-           GIT_INDEX_FILE="../patch-merge-tmp-index" \
-           GIT_OBJECT_DIRECTORY="$O_OBJECT" \
-           git-apply $binary --index <../patch
-        )
+       GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
+       git-apply $binary --cached <"$dotest/patch"
     then
        echo Using index info to reconstruct a base tree...
        mv "$dotest/patch-merge-base+" "$dotest/patch-merge-base"
        mv "$dotest/patch-merge-tmp-index" "$dotest/patch-merge-index"
-    else
-       # Otherwise, try nearby trees that can be used to apply the
-       # patch.
-       (
-           N=10
-
-           # Hoping the patch is against our recent commits...
-           git-rev-list --max-count=$N HEAD
-
-           # or hoping the patch is against known tags...
-           git-ls-remote --tags .
-       ) |
-       while read base junk
-       do
-           # See if we have it as a tree...
-           git-cat-file tree "$base" >/dev/null 2>&1 || continue
-
-           rm -fr "$dotest"/patch-merge-* &&
-           mkdir "$dotest/patch-merge-tmp-dir" || break
-           (
-               cd "$dotest/patch-merge-tmp-dir" &&
-               GIT_INDEX_FILE=../patch-merge-tmp-index &&
-               GIT_OBJECT_DIRECTORY="$O_OBJECT" &&
-               export GIT_INDEX_FILE GIT_OBJECT_DIRECTORY &&
-               git-read-tree "$base" &&
-               git-apply $binary --index &&
-               mv ../patch-merge-tmp-index ../patch-merge-index &&
-               echo "$base" >../patch-merge-base
-           ) <"$dotest/patch"  2>/dev/null && break
-       done
     fi
 
     test -f "$dotest/patch-merge-index" &&
@@ -131,7 +97,7 @@ while case "$#" in 0) break;; esac
 do
        case "$1" in
        -d=*|--d=*|--do=*|--dot=*|--dote=*|--dotes=*|--dotest=*)
-       dotest=`expr "$1" : '-[^=]*=\(.*\)'`; shift ;;
+       dotest=`expr "z$1" : 'z-[^=]*=\(.*\)'`; shift ;;
        -d|--d|--do|--dot|--dote|--dotes|--dotest)
        case "$#" in 1) usage ;; esac; shift
        dotest="$1"; shift;;
@@ -447,7 +413,7 @@ do
        parent=$(git-rev-parse --verify HEAD) &&
        commit=$(git-commit-tree $tree -p $parent <"$dotest/final-commit") &&
        echo Committed: $commit &&
-       git-update-ref HEAD $commit $parent ||
+       git-update-ref -m "am: $SUBJECT" HEAD $commit $parent ||
        stop_here $this
 
        if test -x "$GIT_DIR"/hooks/post-applypatch