diff options
| -rw-r--r-- | builtin/rev-list.c | 4 | ||||
| -rw-r--r-- | commit.c | 6 | ||||
| -rw-r--r-- | list-objects.c | 13 | ||||
| -rwxr-xr-x | t/t1007-hash-object.sh | 4 | ||||
| -rwxr-xr-x | t/t1450-fsck.sh | 4 | ||||
| -rwxr-xr-x | t/t5601-clone.sh | 4 | ||||
| -rwxr-xr-x | t/t6102-rev-list-unexpected-objects.sh | 127 | ||||
| -rw-r--r-- | t/test-lib-functions.sh | 6 |
8 files changed, 152 insertions, 16 deletions
diff --git a/builtin/rev-list.c b/builtin/rev-list.c index 425a5774db..9f31837d30 100644 --- a/builtin/rev-list.c +++ b/builtin/rev-list.c @@ -379,7 +379,6 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix) repo_init_revisions(the_repository, &revs, prefix); revs.abbrev = DEFAULT_ABBREV; revs.commit_format = CMIT_FMT_UNSPECIFIED; - revs.do_not_die_on_missing_tree = 1; /* * Scan the argument list before invoking setup_revisions(), so that we @@ -409,6 +408,9 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix) } } + if (arg_missing_action) + revs.do_not_die_on_missing_tree = 1; + argc = setup_revisions(argc, argv, &revs, &s_r_opt); memset(&info, 0, sizeof(info)); @@ -351,10 +351,10 @@ struct tree *repo_get_commit_tree(struct repository *r, if (commit->maybe_tree || !commit->object.parsed) return commit->maybe_tree; - if (commit->graph_pos == COMMIT_NOT_FROM_GRAPH) - BUG("commit has NULL tree, but was not loaded from commit-graph"); + if (commit->graph_pos != COMMIT_NOT_FROM_GRAPH) + return get_commit_tree_in_graph(r, commit); - return get_commit_tree_in_graph(r, commit); + return NULL; } struct object_id *get_commit_tree_oid(const struct commit *commit) diff --git a/list-objects.c b/list-objects.c index dc77361e11..b5651ddd5b 100644 --- a/list-objects.c +++ b/list-objects.c @@ -125,6 +125,11 @@ static void process_tree_contents(struct traversal_context *ctx, if (S_ISDIR(entry.mode)) { struct tree *t = lookup_tree(ctx->revs->repo, &entry.oid); + if (!t) { + die(_("entry '%s' in tree %s has tree mode, " + "but is not a tree"), + entry.path, oid_to_hex(&tree->object.oid)); + } t->object.flags |= NOT_USER_GIVEN; process_tree(ctx, t, base, entry.path); } @@ -133,6 +138,11 @@ static void process_tree_contents(struct traversal_context *ctx, base, entry.path); else { struct blob *b = lookup_blob(ctx->revs->repo, &entry.oid); + if (!b) { + die(_("entry '%s' in tree %s has blob mode, " + "but is not a blob"), + entry.path, oid_to_hex(&tree->object.oid)); + } b->object.flags |= NOT_USER_GIVEN; process_blob(ctx, b, base, entry.path); } @@ -364,6 +374,9 @@ static void do_traverse(struct traversal_context *ctx) struct tree *tree = get_commit_tree(commit); tree->object.flags |= NOT_USER_GIVEN; add_pending_tree(ctx->revs, tree); + } else if (commit->object.parsed) { + die(_("unable to load root tree for commit %s"), + oid_to_hex(&commit->object.oid)); } ctx->show_commit(commit, ctx->show_data); diff --git a/t/t1007-hash-object.sh b/t/t1007-hash-object.sh index a37753047e..7099d33508 100755 --- a/t/t1007-hash-object.sh +++ b/t/t1007-hash-object.sh @@ -199,10 +199,6 @@ test_expect_success 'too-short tree' ' test_i18ngrep "too-short tree object" err ' -hex2oct() { - perl -ne 'printf "\\%03o", hex for /../g' -} - test_expect_success 'malformed mode in tree' ' hex_sha1=$(echo foo | git hash-object --stdin -w) && bin_sha1=$(echo $hex_sha1 | hex2oct) && diff --git a/t/t1450-fsck.sh b/t/t1450-fsck.sh index 49f08d5b9c..0f268a3664 100755 --- a/t/t1450-fsck.sh +++ b/t/t1450-fsck.sh @@ -256,10 +256,6 @@ test_expect_success 'unparseable tree object' ' test_i18ngrep ! "fatal: empty filename in tree entry" out ' -hex2oct() { - perl -ne 'printf "\\%03o", hex for /../g' -} - test_expect_success 'tree entry with type mismatch' ' test_when_finished "remove_object \$blob" && test_when_finished "remove_object \$tree" && diff --git a/t/t5601-clone.sh b/t/t5601-clone.sh index 23854cab26..de9d99cf88 100755 --- a/t/t5601-clone.sh +++ b/t/t5601-clone.sh @@ -611,10 +611,6 @@ test_expect_success 'GIT_TRACE_PACKFILE produces a usable pack' ' git -C replay.git index-pack -v --stdin <tmp.pack ' -hex2oct () { - perl -ne 'printf "\\%03o", hex for /../g' -} - test_expect_success 'clone on case-insensitive fs' ' git init icasefs && ( diff --git a/t/t6102-rev-list-unexpected-objects.sh b/t/t6102-rev-list-unexpected-objects.sh new file mode 100755 index 0000000000..28611c978e --- /dev/null +++ b/t/t6102-rev-list-unexpected-objects.sh @@ -0,0 +1,127 @@ +#!/bin/sh + +test_description='git rev-list should handle unexpected object types' + +. ./test-lib.sh + +test_expect_success 'setup well-formed objects' ' + blob="$(printf "foo" | git hash-object -w --stdin)" && + tree="$(printf "100644 blob $blob\tfoo" | git mktree)" && + commit="$(git commit-tree $tree -m "first commit")" && + git cat-file commit $commit >good-commit +' + +test_expect_success 'setup unexpected non-blob entry' ' + printf "100644 foo\0$(echo $tree | hex2oct)" >broken-tree && + broken_tree="$(git hash-object -w --literally -t tree broken-tree)" +' + +test_expect_failure 'traverse unexpected non-blob entry (lone)' ' + test_must_fail git rev-list --objects $broken_tree +' + +test_expect_success 'traverse unexpected non-blob entry (seen)' ' + test_must_fail git rev-list --objects $tree $broken_tree >output 2>&1 && + test_i18ngrep "is not a blob" output +' + +test_expect_success 'setup unexpected non-tree entry' ' + printf "40000 foo\0$(echo $blob | hex2oct)" >broken-tree && + broken_tree="$(git hash-object -w --literally -t tree broken-tree)" +' + +test_expect_success 'traverse unexpected non-tree entry (lone)' ' + test_must_fail git rev-list --objects $broken_tree +' + +test_expect_success 'traverse unexpected non-tree entry (seen)' ' + test_must_fail git rev-list --objects $blob $broken_tree >output 2>&1 && + test_i18ngrep "is not a tree" output +' + +test_expect_success 'setup unexpected non-commit parent' ' + sed "/^author/ { h; s/.*/parent $blob/; G; }" <good-commit \ + >broken-commit && + broken_commit="$(git hash-object -w --literally -t commit \ + broken-commit)" +' + +test_expect_success 'traverse unexpected non-commit parent (lone)' ' + test_must_fail git rev-list --objects $broken_commit >output 2>&1 && + test_i18ngrep "not a commit" output +' + +test_expect_success 'traverse unexpected non-commit parent (seen)' ' + test_must_fail git rev-list --objects $commit $broken_commit \ + >output 2>&1 && + test_i18ngrep "not a commit" output +' + +test_expect_success 'setup unexpected non-tree root' ' + sed -e "s/$tree/$blob/" <good-commit >broken-commit && + broken_commit="$(git hash-object -w --literally -t commit \ + broken-commit)" +' + +test_expect_success 'traverse unexpected non-tree root (lone)' ' + test_must_fail git rev-list --objects $broken_commit +' + +test_expect_success 'traverse unexpected non-tree root (seen)' ' + test_must_fail git rev-list --objects $blob $broken_commit \ + >output 2>&1 && + test_i18ngrep "not a tree" output +' + +test_expect_success 'setup unexpected non-commit tag' ' + git tag -a -m "tagged commit" tag $commit && + git cat-file tag tag >good-tag && + test_when_finished "git tag -d tag" && + sed -e "s/$commit/$blob/" <good-tag >broken-tag && + tag=$(git hash-object -w --literally -t tag broken-tag) +' + +test_expect_success 'traverse unexpected non-commit tag (lone)' ' + test_must_fail git rev-list --objects $tag +' + +test_expect_success 'traverse unexpected non-commit tag (seen)' ' + test_must_fail git rev-list --objects $blob $tag >output 2>&1 && + test_i18ngrep "not a commit" output +' + +test_expect_success 'setup unexpected non-tree tag' ' + git tag -a -m "tagged tree" tag $tree && + git cat-file tag tag >good-tag && + test_when_finished "git tag -d tag" && + sed -e "s/$tree/$blob/" <good-tag >broken-tag && + tag=$(git hash-object -w --literally -t tag broken-tag) +' + +test_expect_success 'traverse unexpected non-tree tag (lone)' ' + test_must_fail git rev-list --objects $tag +' + +test_expect_success 'traverse unexpected non-tree tag (seen)' ' + test_must_fail git rev-list --objects $blob $tag >output 2>&1 && + test_i18ngrep "not a tree" output +' + +test_expect_success 'setup unexpected non-blob tag' ' + git tag -a -m "tagged blob" tag $blob && + git cat-file tag tag >good-tag && + test_when_finished "git tag -d tag" && + sed -e "s/$blob/$commit/" <good-tag >broken-tag && + tag=$(git hash-object -w --literally -t tag broken-tag) +' + +test_expect_failure 'traverse unexpected non-blob tag (lone)' ' + test_must_fail git rev-list --objects $tag +' + +test_expect_success 'traverse unexpected non-blob tag (seen)' ' + test_must_fail git rev-list --objects $commit $tag >output 2>&1 && + test_i18ngrep "not a blob" output +' + +test_done diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh index 788ea1f18b..8270de74be 100644 --- a/t/test-lib-functions.sh +++ b/t/test-lib-functions.sh @@ -1239,6 +1239,12 @@ depacketize () { ' } +# Converts base-16 data into base-8. The output is given as a sequence of +# escaped octals, suitable for consumption by 'printf'. +hex2oct () { + perl -ne 'printf "\\%03o", hex for /../g' +} + # Set the hash algorithm in use to $1. Only useful when testing the testsuite. test_set_hash () { test_hash_algo="$1" |