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Makefile: be silent when only GIT_USER_AGENT changes

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To avoid noise during builds, unlike the GIT-CFLAGS rule which prints
"* new build flags or prefix" so the operator knows why all files are
being rebuilt when it changes, GIT-USER-AGENT generation is silent.

If this code breaks and a target depending on GIT-USER-AGENT ends up
being rebuilt when it shouldn't be, the full dependency chain can be
retrieved with "make --debug=b".

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jonathan Nieder 2012-07-06 23:42:11 -05:00 committed by Junio C Hamano
parent 620c293abd
commit 33ddbcb012
1 changed files with 0 additions and 1 deletions
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Makefile
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@ -1924,7 +1924,6 @@ GIT_USER_AGENT_CQ = "$(subst ",\",$(subst \,\\,$(GIT_USER_AGENT)))"
GIT_USER_AGENT_CQ_SQ = $(subst ','\'',$(GIT_USER_AGENT_CQ))
GIT-USER-AGENT: FORCE
@if test x'$(GIT_USER_AGENT_SQ)' != x"`cat GIT-USER-AGENT 2>/dev/null`"; then \
echo >&2 " * new user-agent flag"; \
echo '$(GIT_USER_AGENT_SQ)' >GIT-USER-AGENT; \
fi