In 06c92dafb8 (Makefile: allow specifying a SHA-1 for non-cryptographic uses, 2024-09-26), support for unsafe SHA-1 is added. Add the unsafe SHA-1 build info to `git version --build-info` and update corresponding documentation. Signed-off-by: Justin Tobler <jltobler@xxxxxxxxx> --- Documentation/git-version.adoc | 3 +++ help.c | 8 ++++++++ 2 files changed, 11 insertions(+) diff --git a/Documentation/git-version.adoc b/Documentation/git-version.adoc index 80fa7754a6..53c8ba74c1 100644 --- a/Documentation/git-version.adoc +++ b/Documentation/git-version.adoc @@ -22,6 +22,9 @@ OPTIONS --build-options:: Include additional information about how git was built for diagnostic purposes. ++ +If built to use a faster SHA-1 implementation for non-cryptographic purposes, +the implmentation used is denoted as "unsafe-SHA-1". GIT --- diff --git a/help.c b/help.c index 32b5d4e6f5..7670e0a64a 100644 --- a/help.c +++ b/help.c @@ -784,6 +784,14 @@ static void get_sha_impl(struct strbuf *buf) strbuf_addstr(buf, "SHA-1: Collision Detection\n"); #endif +#if defined(SHA1_OPENSSL_UNSAFE) + strbuf_addstr(buf, "unsafe-SHA-1: OpenSSL\n"); +#elif defined(SHA1_BLK_UNSAFE) + strbuf_addstr(buf, "unsafe-SHA-1: blk\n"); +#elif defined(SHA1_APPLE_UNSAFE) + strbuf_addstr(buf, "unsafe-SHA-1: Apple CommonCrypto\n"); +#endif + #if defined(SHA256_OPENSSL) strbuf_addstr(buf, "SHA-256: OpenSSL\n"); #elif defined(SHA256_NETTLE) -- 2.49.0