diff options
Diffstat (limited to 'refs')
| -rw-r--r-- | refs/packed-backend.c | 122 |
1 files changed, 121 insertions, 1 deletions
diff --git a/refs/packed-backend.c b/refs/packed-backend.c index 9a90c52f70..ef20300fd3 100644 --- a/refs/packed-backend.c +++ b/refs/packed-backend.c @@ -1812,9 +1812,114 @@ static int packed_fsck_ref_header(struct fsck_options *o, return 0; } +static int packed_fsck_ref_peeled_line(struct fsck_options *o, + struct ref_store *ref_store, + unsigned long line_number, + const char *start, const char *eol) +{ + struct strbuf packed_entry = STRBUF_INIT; + struct fsck_ref_report report = { 0 }; + struct object_id peeled; + const char *p; + int ret = 0; + + /* + * Skip the '^' and parse the peeled oid. + */ + start++; + if (parse_oid_hex_algop(start, &peeled, &p, ref_store->repo->hash_algo)) { + strbuf_addf(&packed_entry, "packed-refs line %lu", line_number); + report.path = packed_entry.buf; + + ret = fsck_report_ref(o, &report, + FSCK_MSG_BAD_PACKED_REF_ENTRY, + "'%.*s' has invalid peeled oid", + (int)(eol - start), start); + goto cleanup; + } + + if (p != eol) { + strbuf_addf(&packed_entry, "packed-refs line %lu", line_number); + report.path = packed_entry.buf; + + ret = fsck_report_ref(o, &report, + FSCK_MSG_BAD_PACKED_REF_ENTRY, + "has trailing garbage after peeled oid '%.*s'", + (int)(eol - p), p); + goto cleanup; + } + +cleanup: + strbuf_release(&packed_entry); + return ret; +} + +static int packed_fsck_ref_main_line(struct fsck_options *o, + struct ref_store *ref_store, + unsigned long line_number, + struct strbuf *refname, + const char *start, const char *eol) +{ + struct strbuf packed_entry = STRBUF_INIT; + struct fsck_ref_report report = { 0 }; + struct object_id oid; + const char *p; + int ret = 0; + + if (parse_oid_hex_algop(start, &oid, &p, ref_store->repo->hash_algo)) { + strbuf_addf(&packed_entry, "packed-refs line %lu", line_number); + report.path = packed_entry.buf; + + ret = fsck_report_ref(o, &report, + FSCK_MSG_BAD_PACKED_REF_ENTRY, + "'%.*s' has invalid oid", + (int)(eol - start), start); + goto cleanup; + } + + if (p == eol || !isspace(*p)) { + strbuf_addf(&packed_entry, "packed-refs line %lu", line_number); + report.path = packed_entry.buf; + + ret = fsck_report_ref(o, &report, + FSCK_MSG_BAD_PACKED_REF_ENTRY, + "has no space after oid '%s' but with '%.*s'", + oid_to_hex(&oid), (int)(eol - p), p); + goto cleanup; + } + + p++; + strbuf_reset(refname); + strbuf_add(refname, p, eol - p); + if (refname_contains_nul(refname)) { + strbuf_addf(&packed_entry, "packed-refs line %lu", line_number); + report.path = packed_entry.buf; + + ret = fsck_report_ref(o, &report, + FSCK_MSG_BAD_PACKED_REF_ENTRY, + "refname '%s' contains NULL binaries", + refname->buf); + } + + if (check_refname_format(refname->buf, 0)) { + strbuf_addf(&packed_entry, "packed-refs line %lu", line_number); + report.path = packed_entry.buf; + + ret = fsck_report_ref(o, &report, + FSCK_MSG_BAD_REF_NAME, + "has bad refname '%s'", refname->buf); + } + +cleanup: + strbuf_release(&packed_entry); + return ret; +} + static int packed_fsck_ref_content(struct fsck_options *o, + struct ref_store *ref_store, const char *start, const char *eof) { + struct strbuf refname = STRBUF_INIT; unsigned long line_number = 1; const char *eol; int ret = 0; @@ -1827,6 +1932,21 @@ static int packed_fsck_ref_content(struct fsck_options *o, line_number++; } + while (start < eof) { + ret |= packed_fsck_ref_next_line(o, line_number, start, eof, &eol); + ret |= packed_fsck_ref_main_line(o, ref_store, line_number, &refname, start, eol); + start = eol + 1; + line_number++; + if (start < eof && *start == '^') { + ret |= packed_fsck_ref_next_line(o, line_number, start, eof, &eol); + ret |= packed_fsck_ref_peeled_line(o, ref_store, line_number, + start, eol); + start = eol + 1; + line_number++; + } + } + + strbuf_release(&refname); return ret; } @@ -1884,7 +2004,7 @@ static int packed_fsck(struct ref_store *ref_store, goto cleanup; } - ret = packed_fsck_ref_content(o, packed_ref_content.buf, + ret = packed_fsck_ref_content(o, ref_store, packed_ref_content.buf, packed_ref_content.buf + packed_ref_content.len); cleanup: |