[PATCH 1/2] sha1_name: stop hard-coding 40-character hex checks
From: Ramkumar Ramachandra <hidden>
Date: 2016-06-15 22:57:46
Subsystem:
the rest · Maintainer:
Linus Torvalds
In two places, get_sha1_basic() assumes that strings are possibly sha1 hexes if they are 40 characters long, and calls get_sha1_hex() in these two cases. This 40-character check is ugly and wrong: there is nothing preventing a revision or branch name from being exactly 40 characters. Replace it with a call to the more robust get_short_sha1(). Signed-off-by: Ramkumar Ramachandra <redacted> --- sha1_name.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/sha1_name.c b/sha1_name.c
index 90419ef..d862af3 100644
--- a/sha1_name.c
+++ b/sha1_name.c@@ -451,7 +451,7 @@ static int get_sha1_basic(const char *str, int len, unsigned char *sha1) int refs_found = 0; int at, reflog_len, nth_prior = 0; - if (len == 40 && !get_sha1_hex(str, sha1)) { + if (!get_short_sha1(str, strlen(str), sha1, GET_SHA1_QUIETLY)) { refs_found = dwim_ref(str, len, tmp_sha1, &real_ref); if (refs_found > 0 && warn_ambiguous_refs) { warning(warn_msg, len, str);
@@ -492,9 +492,9 @@ static int get_sha1_basic(const char *str, int len, unsigned char *sha1) int detached; if (interpret_nth_prior_checkout(str, &buf) > 0) { - detached = (buf.len == 40 && !get_sha1_hex(buf.buf, sha1)); + detached = get_short_sha1(buf.buf, buf.len, sha1, GET_SHA1_QUIETLY); strbuf_release(&buf); - if (detached) + if (detached != SHORT_NAME_NOT_FOUND) return 0; } }
--
1.8.3.1.438.g96d34e8