From db137fe91ea4afda7a2073364c610fe61dc769b8 Mon Sep 17 00:00:00 2001 From: Alexandre Julliard Date: Mon, 17 Aug 2009 17:35:44 +0200 Subject: [PATCH] read-tree: Fix regression with creation of a new index file. Reading the index into an empty file has been broken by 5a56da58060e50980fab0f4c38203a25440d1530, since it causes the existing index to always be loaded first, and dies if it's an empty file: $ GIT_INDEX_FILE=`mktemp` git read-tree master fatal: index file smaller than expected It breaks for instance committing from git.el. This patch reverts to the previous behavior of only loading the index when merging it. Signed-off-by: Alexandre Julliard Signed-off-by: Junio C Hamano --- builtin-read-tree.c | 10 ++++++---- t/t1009-read-tree-new-index.sh | 25 +++++++++++++++++++++++++ 2 files changed, 31 insertions(+), 4 deletions(-) create mode 100755 t/t1009-read-tree-new-index.sh diff --git a/builtin-read-tree.c b/builtin-read-tree.c index 9c2d634d6..14c836b16 100644 --- a/builtin-read-tree.c +++ b/builtin-read-tree.c @@ -113,13 +113,15 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix) argc = parse_options(argc, argv, unused_prefix, read_tree_options, read_tree_usage, 0); - if (read_cache_unmerged() && (opts.prefix || opts.merge)) - die("You need to resolve your current index first"); - prefix_set = opts.prefix ? 1 : 0; if (1 < opts.merge + opts.reset + prefix_set) die("Which one? -m, --reset, or --prefix?"); - stage = opts.merge = (opts.reset || opts.merge || prefix_set); + + if (opts.reset || opts.merge || opts.prefix) { + if (read_cache_unmerged() && (opts.prefix || opts.merge)) + die("You need to resolve your current index first"); + stage = opts.merge = 1; + } for (i = 0; i < argc; i++) { const char *arg = argv[i]; diff --git a/t/t1009-read-tree-new-index.sh b/t/t1009-read-tree-new-index.sh new file mode 100755 index 000000000..59b3aa4bc --- /dev/null +++ b/t/t1009-read-tree-new-index.sh @@ -0,0 +1,25 @@ +#!/bin/sh + +test_description='test read-tree into a fresh index file' + +. ./test-lib.sh + +test_expect_success setup ' + echo one >a && + git add a && + git commit -m initial +' + +test_expect_success 'non-existent index file' ' + rm -f new-index && + GIT_INDEX_FILE=new-index git read-tree master +' + +test_expect_success 'empty index file' ' + rm -f new-index && + > new-index && + GIT_INDEX_FILE=new-index git read-tree master +' + +test_done + -- 2.26.2