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authorLibravatar Richard Hansen <rhansen@bbn.com>2014-05-19 18:55:37 -0400
committerLibravatar Junio C Hamano <gitster@pobox.com>2014-05-19 16:09:53 -0700
commit1e4119c81b3e203e1729e03be6e4a53eb9207f5c (patch)
tree05e81a2941fd1f79d47c41d8ef9720b40773f8f4 /t/t4034/cpp/pre
parentgit-prompt.sh: don't put unsanitized branch names in $PS1 (diff)
downloadtgif-1e4119c81b3e203e1729e03be6e4a53eb9207f5c.tar.xz
git-prompt.sh: don't assume the shell expands the value of PS1
Not all shells subject the prompt string to parameter expansion. Test whether the shell will expand the value of PS1, and use the result to control whether raw ref names are included directly in PS1. This fixes a regression introduced in commit 8976500 ("git-prompt.sh: don't put unsanitized branch names in $PS1"): zsh does not expand PS1 by default, but that commit assumed it did. The bug resulted in prompts containing the literal string '${__git_ps1_branch_name}' instead of the actual branch name. Reported-by: Caleb Thompson <caleb@calebthompson.io> Signed-off-by: Richard Hansen <rhansen@bbn.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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