peel_ref: do not return a null sha1

diff --git a/git-am.sh b/git-am.sh
index c02e62d2aa4f3bd2221c687effa3a4ec44918383..bd9620c6c6b25a083dacc0bb3fe9d45337ed0d7b 100755 (executable)
--- a/git-am.sh
+++ b/git-am.sh
@@ -92,7 +92,7 @@ safe_to_abort () {
        then
                return 0
        fi
-               gettextln "You seem to have moved HEAD since the last 'am' failure.
+       gettextln "You seem to have moved HEAD since the last 'am' failure.
 Not rewinding to ORIG_HEAD" >&2
        return 1
 }
@@ -102,9 +102,9 @@ stop_here_user_resolve () {
            printf '%s\n' "$resolvemsg"
            stop_here $1
     fi
-    eval_gettextln "When you have resolved this problem run \"\$cmdline --resolved\".
-If you would prefer to skip this patch, instead run \"\$cmdline --skip\".
-To restore the original branch and stop patching run \"\$cmdline --abort\"."
+    eval_gettextln "When you have resolved this problem, run \"\$cmdline --resolved\".
+If you prefer to skip this patch, run \"\$cmdline --skip\" instead.
+To restore the original branch and stop patching, run \"\$cmdline --abort\"."
 
     stop_here $1
 }
@@ -136,7 +136,7 @@ fall_back_3way () {
     git write-tree >"$dotest/patch-merge-base+" ||
     cannot_fallback "$(gettext "Repository lacks necessary blobs to fall back on 3-way merge.")"
 
-    say Using index info to reconstruct a base tree...
+    say "$(gettext "Using index info to reconstruct a base tree...")"
 
     cmd='GIT_INDEX_FILE="$dotest/patch-merge-tmp-index"'
 
@@ -176,8 +176,7 @@ It does not apply to blobs recorded in its index.")"
     fi
     git-merge-recursive $orig_tree -- HEAD $his_tree || {
            git rerere $allow_rerere_autoupdate
-           echo Failed to merge in the changes.
-           exit 1
+           die "$(gettext "Failed to merge in the changes.")"
     }
     unset GITHEAD_$his_tree
 }
@@ -387,8 +386,8 @@ do
        -i|--interactive)
                interactive=t ;;
        -b|--binary)
-               echo >&2 "The $1 option has been a no-op for long time, and"
-               echo >&2 "it will be removed. Please do not use it anymore."
+               gettextln >&2 "The -b/--binary option has been a no-op for long time, and
+it will be removed. Please do not use it anymore."
                ;;
        -3|--3way)
                threeway=t ;;
@@ -414,9 +413,6 @@ do
                abort=t ;;
        --rebasing)
                rebasing=t threeway=t ;;
-       -d|--dotest)
-               die "$(gettext "-d option is no longer supported.  Do not use.")"
-               ;;
        --resolvemsg)
                shift; resolvemsg=$1 ;;
        --whitespace|--directory|--exclude|--include)