BELL support

Implemented opportunistic alarm support as proposed by torabora; the actual result depends on readline and/or terminal settings (read up on "visual bell" vs "audible bell" in case it's wrong). TODO: this ought to be shifted downstream when proper logging framework is there.

BELL support
895fae7d · Michael Shigorin · e8306860 · 895fae7d · 895fae7d · 895fae7d
Commit 895fae7d authored Oct 31, 2011 by Michael Shigorin
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profiles.mk.sample doc/profiles.mk.sample +3 -0

variables.txt doc/variables.txt +4 -0

build.mk lib/build.mk +1 -0

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--- a/doc/profiles.mk.sample
+++ b/doc/profiles.mk.sample
@@ -8,3 +8,6 @@
 # spares tmpfs, quite recommended unless you need raw workdir chroots
 #CLEAN = 1
+# try and draw attention when done (depends on readline/terminal settings)
+#BELL = 1
--- a/doc/variables.txt
+++ b/doc/variables.txt
@@ -13,6 +13,10 @@
  + значение: пусто (по умолчанию авто), i586 или x86_64
  + см. ../lib/build.mk
+- BELL
+  + требует подачу сигнала после завершения сборки
+  + см. ../lib/build.mk
 - BUILDDIR
  + определяет каталог генерируемого профиля и сборки
  + значение: пусто (по умолчанию авто) либо строка

--- a/lib/build.mk
+++ b/lib/build.mk
@@ -34,3 +34,4 @@ build: profile/populate
 		df -P $(BUILDDIR) | awk 'END { if ($$4 < 1024) \
 			{ print "** NB: low space on "$$6" ("$$5" used)"}}'; \
 	fi
+	@if [ -n "$(BELL)" ]; then echo -ne '\a' >&2; fi