[PATCH 1/1] git-prompt.sh: update shell variable instructions.

["Edward D'Souza via GitGitGadget" <gitgitgadget@gmail.com>]

From: Edward D'Souza <edsouza@gmail.com>

Clarify the need to set variables like GIT_PS1_SHOWDIRTYSTATE before
"source ~/.git-prompt.sh" is executed in your shell init process.

If you set these preferences too late i.e. after .git-prompt.sh executes,
they will silently fail to take effect.

Signed-off-by: Edward D'Souza <edsouza@gmail.com>
---
 contrib/completion/git-prompt.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/contrib/completion/git-prompt.sh b/contrib/completion/git-prompt.sh
index c6cbef38c2..ab5bcc0fec 100644
--- a/contrib/completion/git-prompt.sh
+++ b/contrib/completion/git-prompt.sh
@@ -35,6 +35,11 @@
 #
 # The prompt status always includes the current branch name.
 #
+# The prompt can be customized by setting various shell variables
+# (GIT_PS1_SHOWDIRTYSTATE, GIT_PS1_SHOWSTASHSTATE, etc.), which are described
+# below. Make sure that these variables get set *before* the
+# "source ~/.git-prompt.sh" line from step 2 (above) runs.
+#
 # In addition, if you set GIT_PS1_SHOWDIRTYSTATE to a nonempty value,
 # unstaged (*) and staged (+) changes will be shown next to the branch
 # name.  You can configure this per-repository with the
-- 
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