зеркало из https://github.com/microsoft/git.git
Merge branch 'ab/ambiguous-object-name'
Error output given in response to an ambiguous object name has been improved. * ab/ambiguous-object-name: object-name: re-use "struct strbuf" in show_ambiguous_object() object-name: iterate ambiguous objects before showing header object-name: show date for ambiguous tag objects object-name: make ambiguous object output translatable object-name: explicitly handle bad tags in show_ambiguous_object() object-name: explicitly handle OBJ_BAD in show_ambiguous_object() object-name tests: add tests for ambiguous object blind spots
This commit is contained in:
Junio C Hamano
Коммит
268e6b8d4d
121
object-name.c
121
object-name.c
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@ -351,35 +351,118 @@ static int init_object_disambiguation(struct repository *r,
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return 0;
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}
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struct ambiguous_output {
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const struct disambiguate_state *ds;
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struct strbuf advice;
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struct strbuf sb;
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};
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static int show_ambiguous_object(const struct object_id *oid, void *data)
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{
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const struct disambiguate_state *ds = data;
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struct strbuf desc = STRBUF_INIT;
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struct ambiguous_output *state = data;
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const struct disambiguate_state *ds = state->ds;
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struct strbuf *advice = &state->advice;
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struct strbuf *sb = &state->sb;
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int type;
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const char *hash;
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if (ds->fn && !ds->fn(ds->repo, oid, ds->cb_data))
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return 0;
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hash = repo_find_unique_abbrev(ds->repo, oid, DEFAULT_ABBREV);
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type = oid_object_info(ds->repo, oid, NULL);
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if (type < 0) {
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/*
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* TRANSLATORS: This is a line of ambiguous object
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* output shown when we cannot look up or parse the
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* object in question. E.g. "deadbeef [bad object]".
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*/
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strbuf_addf(sb, _("%s [bad object]"), hash);
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goto out;
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}
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assert(type == OBJ_TREE || type == OBJ_COMMIT ||
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type == OBJ_BLOB || type == OBJ_TAG);
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if (type == OBJ_COMMIT) {
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struct strbuf date = STRBUF_INIT;
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struct strbuf msg = STRBUF_INIT;
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struct commit *commit = lookup_commit(ds->repo, oid);
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if (commit) {
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struct pretty_print_context pp = {0};
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pp.date_mode.type = DATE_SHORT;
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format_commit_message(commit, " %ad - %s", &desc, &pp);
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format_commit_message(commit, "%ad", &date, &pp);
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format_commit_message(commit, "%s", &msg, &pp);
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}
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/*
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* TRANSLATORS: This is a line of ambiguous commit
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* object output. E.g.:
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*
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* "deadbeef commit 2021-01-01 - Some Commit Message"
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*/
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strbuf_addf(sb, _("%s commit %s - %s"), hash, date.buf,
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msg.buf);
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strbuf_release(&date);
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strbuf_release(&msg);
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} else if (type == OBJ_TAG) {
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struct tag *tag = lookup_tag(ds->repo, oid);
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if (!parse_tag(tag) && tag->tag)
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strbuf_addf(&desc, " %s", tag->tag);
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if (!parse_tag(tag) && tag->tag) {
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/*
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* TRANSLATORS: This is a line of ambiguous
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* tag object output. E.g.:
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*
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* "deadbeef tag 2022-01-01 - Some Tag Message"
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*
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* The second argument is the YYYY-MM-DD found
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* in the tag.
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*
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* The third argument is the "tag" string
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* from object.c.
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*/
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strbuf_addf(sb, _("%s tag %s - %s"), hash,
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show_date(tag->date, 0, DATE_MODE(SHORT)),
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tag->tag);
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} else {
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/*
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* TRANSLATORS: This is a line of ambiguous
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* tag object output where we couldn't parse
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* the tag itself. E.g.:
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*
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* "deadbeef [bad tag, could not parse it]"
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*/
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strbuf_addf(sb, _("%s [bad tag, could not parse it]"),
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hash);
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}
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} else if (type == OBJ_TREE) {
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/*
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* TRANSLATORS: This is a line of ambiguous <type>
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* object output. E.g. "deadbeef tree".
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*/
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strbuf_addf(sb, _("%s tree"), hash);
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} else if (type == OBJ_BLOB) {
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/*
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* TRANSLATORS: This is a line of ambiguous <type>
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* object output. E.g. "deadbeef blob".
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*/
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strbuf_addf(sb, _("%s blob"), hash);
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}
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advise(" %s %s%s",
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repo_find_unique_abbrev(ds->repo, oid, DEFAULT_ABBREV),
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type_name(type) ? type_name(type) : "unknown type",
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desc.buf);
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strbuf_release(&desc);
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out:
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/*
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* TRANSLATORS: This is line item of ambiguous object output
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* from describe_ambiguous_object() above. For RTL languages
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* you'll probably want to swap the "%s" and leading " " space
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* around.
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*/
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strbuf_addf(advice, _(" %s\n"), sb->buf);
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strbuf_reset(sb);
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return 0;
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}
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@ -476,6 +559,11 @@ static enum get_oid_result get_short_oid(struct repository *r,
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if (!quietly && (status == SHORT_NAME_AMBIGUOUS)) {
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struct oid_array collect = OID_ARRAY_INIT;
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struct ambiguous_output out = {
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.ds = &ds,
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.sb = STRBUF_INIT,
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.advice = STRBUF_INIT,
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};
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error(_("short object ID %s is ambiguous"), ds.hex_pfx);
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@ -488,13 +576,22 @@ static enum get_oid_result get_short_oid(struct repository *r,
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if (!ds.ambiguous)
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ds.fn = NULL;
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advise(_("The candidates are:"));
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repo_for_each_abbrev(r, ds.hex_pfx, collect_ambiguous, &collect);
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sort_ambiguous_oid_array(r, &collect);
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if (oid_array_for_each(&collect, show_ambiguous_object, &ds))
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if (oid_array_for_each(&collect, show_ambiguous_object, &out))
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BUG("show_ambiguous_object shouldn't return non-zero");
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/*
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* TRANSLATORS: The argument is the list of ambiguous
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* objects composed in show_ambiguous_object(). See
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* its "TRANSLATORS" comments for details.
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*/
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advise(_("The candidates are:\n%s"), out.advice.buf);
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oid_array_clear(&collect);
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strbuf_release(&out.advice);
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strbuf_release(&out.sb);
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}
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return status;
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@ -25,6 +25,87 @@ export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
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. ./test-lib.sh
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test_cmp_failed_rev_parse () {
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dir=$1
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rev=$2
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cat >expect &&
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test_must_fail git -C "$dir" rev-parse "$rev" 2>actual.raw &&
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sed "s/\($rev\)[0-9a-f]*/\1.../" <actual.raw >actual &&
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test_cmp expect actual
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}
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test_expect_success 'ambiguous blob output' '
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git init --bare blob.prefix &&
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(
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cd blob.prefix &&
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# Both start with "dead..", under both SHA-1 and SHA-256
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echo brocdnra | git hash-object -w --stdin &&
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echo brigddsv | git hash-object -w --stdin &&
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# Both start with "beef.."
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echo 1agllotbh | git hash-object -w --stdin &&
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echo 1bbfctrkc | git hash-object -w --stdin
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) &&
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test_must_fail git -C blob.prefix rev-parse dead &&
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test_cmp_failed_rev_parse blob.prefix beef <<-\EOF
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error: short object ID beef... is ambiguous
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hint: The candidates are:
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hint: beef... blob
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hint: beef... blob
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fatal: ambiguous argument '\''beef...'\'': unknown revision or path not in the working tree.
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Use '\''--'\'' to separate paths from revisions, like this:
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'\''git <command> [<revision>...] -- [<file>...]'\''
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EOF
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'
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test_expect_success 'ambiguous loose bad object parsed as OBJ_BAD' '
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git init --bare blob.bad &&
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(
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cd blob.bad &&
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# Both have the prefix "bad0"
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echo xyzfaowcoh | git hash-object -t bad -w --stdin --literally &&
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echo xyzhjpyvwl | git hash-object -t bad -w --stdin --literally
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) &&
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test_cmp_failed_rev_parse blob.bad bad0 <<-\EOF
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error: short object ID bad0... is ambiguous
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fatal: invalid object type
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EOF
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'
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test_expect_success POSIXPERM 'ambigous zlib corrupt loose blob' '
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git init --bare blob.corrupt &&
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(
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cd blob.corrupt &&
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# Both have the prefix "cafe"
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echo bnkxmdwz | git hash-object -w --stdin &&
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oid=$(echo bmwsjxzi | git hash-object -w --stdin) &&
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oidf=objects/$(test_oid_to_path "$oid") &&
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chmod 755 $oidf &&
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echo broken >$oidf
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) &&
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test_cmp_failed_rev_parse blob.corrupt cafe <<-\EOF
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error: short object ID cafe... is ambiguous
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error: inflate: data stream error (incorrect header check)
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error: unable to unpack cafe... header
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error: inflate: data stream error (incorrect header check)
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error: unable to unpack cafe... header
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hint: The candidates are:
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hint: cafe... [bad object]
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hint: cafe... blob
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fatal: ambiguous argument '\''cafe...'\'': unknown revision or path not in the working tree.
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Use '\''--'\'' to separate paths from revisions, like this:
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'\''git <command> [<revision>...] -- [<file>...]'\''
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EOF
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'
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if ! test_have_prereq SHA1
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then
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skip_all='not using SHA-1 for objects'
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