Instead of hard-coding the offset strlen("refs/heads/") to skip
the prefix "refs/heads/" use the skip_prefix() function which
is more communicative and verifies that the string actually
starts with that prefix.Signed-off-by: Kaartic Sivaraam <kaartic.sivar...@gmail.com> --- v2 and v3 of this patch got detached to a different thread due to a small mistake I made, sorry. You can find it at https://public-inbox.org/git/20171121141852.551-1-kaartic.sivar...@gmail.com/ I've brought v4 back to this thread to bring back the continuity. I guess this series gets stabilised with this patch. Changes in v4 from v1: - updated commit message - removed superfluous comment - updated variable names - checked for the errors pointed out by skip_prefix builtin/branch.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/builtin/branch.c b/builtin/branch.c index ca9d8abd0..b2f5e4a0c 100644 --- a/builtin/branch.c +++ b/builtin/branch.c @@ -462,6 +462,8 @@ static void copy_or_rename_branch(const char *oldname, const char *newname, int { struct strbuf oldref = STRBUF_INIT, newref = STRBUF_INIT, logmsg = STRBUF_INIT; struct strbuf oldsection = STRBUF_INIT, newsection = STRBUF_INIT; + const char *interpreted_oldname = NULL; + const char *interpreted_newname = NULL; int recovery = 0; int clobber_head_ok; @@ -493,6 +495,11 @@ static void copy_or_rename_branch(const char *oldname, const char *newname, int reject_rebase_or_bisect_branch(oldref.buf); + if (!skip_prefix(oldref.buf, "refs/heads/", &interpreted_oldname) || + !skip_prefix(newref.buf, "refs/heads/", &interpreted_newname)) { + die("BUG: expected prefix missing for refs") + } + if (copy) strbuf_addf(&logmsg, "Branch: copied %s to %s", oldref.buf, newref.buf); @@ -508,10 +515,10 @@ static void copy_or_rename_branch(const char *oldname, const char *newname, int if (recovery) { if (copy) warning(_("Created a copy of a misnamed branch '%s'"), - oldref.buf + 11); + interpreted_oldname); else warning(_("Renamed a misnamed branch '%s' away"), - oldref.buf + 11); + interpreted_oldname); } if (!copy && @@ -520,9 +527,9 @@ static void copy_or_rename_branch(const char *oldname, const char *newname, int strbuf_release(&logmsg); - strbuf_addf(&oldsection, "branch.%s", oldref.buf + 11); + strbuf_addf(&oldsection, "branch.%s", interpreted_oldname); strbuf_release(&oldref); - strbuf_addf(&newsection, "branch.%s", newref.buf + 11); + strbuf_addf(&newsection, "branch.%s", interpreted_newname); strbuf_release(&newref); if (!copy && git_config_rename_section(oldsection.buf, newsection.buf) < 0) die(_("Branch is renamed, but update of config-file failed")); -- 2.15.0.531.g2ccb3012c
