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authorLibravatar Chris Webb <chris@arachsys.com>2012-06-26 16:06:42 +0100
committerLibravatar Junio C Hamano <gitster@pobox.com>2012-06-26 11:11:14 -0700
commit8ced1aa08f9e1798b2b3fec41a0598ef79b477fe (patch)
tree4cad32f246e34e8686b0dae6045c60875de8f4ae /Documentation/RelNotes/1.7.1.4.txt
parentgit checkout -b: allow switching out of an unborn branch (diff)
downloadtgif-8ced1aa08f9e1798b2b3fec41a0598ef79b477fe.tar.xz
git-checkout: disallow --detach on unborn branch
abe199808c (git checkout -b: allow switching out of an unborn branch) introduced a bug demonstrated by git checkout --orphan foo git checkout --detach git symbolic-ref HEAD which gives 'refs/heads/(null)'. This happens because we strbuf_addf(&branch_ref, "refs/heads/%s", opts->new_branch) when opts->new_branch can be NULL for --detach. Catch and forbid this case, adding a test to t2017 to catch it in future. Signed-off-by: Chris Webb <chris@arachsys.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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