commit: ddd7a0bc1e06c0f7737799b784c110b7903f0a58
Author: Mike Frysinger <vapier <AT> gentoo <DOT> org>
AuthorDate: Tue Nov 24 17:02:31 2015 +0000
Commit: Mike Frysinger <vapier <AT> gentoo <DOT> org>
CommitDate: Tue Nov 24 17:03:49 2015 +0000
URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=ddd7a0bc
multiprocessing.eclass: makeopts_loadavg: various fixes #543116
- Add support for --max-load option
- Fix default load value if not specified (999)
- Fix trailing flag consumption so we don't leave garbage behind
- Add tests!
eclass/multiprocessing.eclass | 7 +++--
eclass/tests/multiprocessing_makeopts_loadavg.sh | 36 ++++++++++++++++++++++++
2 files changed, 40 insertions(+), 3 deletions(-)
diff --git a/eclass/multiprocessing.eclass b/eclass/multiprocessing.eclass
index 534b35c..06e004a 100644
--- a/eclass/multiprocessing.eclass
+++ b/eclass/multiprocessing.eclass
@@ -86,9 +86,10 @@ makeopts_loadavg() {
# This assumes the first .* will be more greedy than the second .*
# since POSIX doesn't specify a non-greedy match (i.e. ".*?").
local lavg=$(echo " $* " | sed -r -n \
- -e
's:.*[[:space:]](-l|--load-average[=[:space:]])[[:space:]]*([0-9]+|[0-9]+\.[0-9]+)[^0-9.]*:\2:p'
\
- -e 's:.*[[:space:]](-l|--load-average)[[:space:]].*:999:p')
- echo ${lavg:-1}
+ -e
's:.*[[:space:]](-l|--(load-average|max-load)[=[:space:]])[[:space:]]*([0-9]+|[0-9]+\.[0-9]+).*:\3:p'
\
+ -e
's:.*[[:space:]](-l|--(load-average|max-load))[[:space:]].*:999:p')
+ # Default to 999 since the default is to not use a load limit.
+ echo ${lavg:-999}
}
# @FUNCTION: multijob_init
diff --git a/eclass/tests/multiprocessing_makeopts_loadavg.sh
b/eclass/tests/multiprocessing_makeopts_loadavg.sh
new file mode 100755
index 0000000..12f9d01
--- /dev/null
+++ b/eclass/tests/multiprocessing_makeopts_loadavg.sh
@@ -0,0 +1,36 @@
+#!/bin/bash
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+source tests-common.sh
+
+inherit multiprocessing
+
+test-makeopts_loadavg() {
+ local exp=$1; shift
+ tbegin "makeopts_loadavg($*) == ${exp}"
+ local act=$(makeopts_loadavg "$@")
+ [[ ${act} == "${exp}" ]]
+ tend $? "Got back: ${act}"
+}
+
+tests=(
+ 999 "-j"
+ 999 "-l"
+ 999 ""
+ 9 "-l9 -w"
+ 9 "-l 9 -w-j4"
+ 3 "-l3 -j 4 -w"
+ 5 "--load-average=5"
+ 6 "--load-average 6"
+ 7 "-l3 --load-average 7 -w"
+ 4 "-j1 -j 2 --load-average 3 --load-average=4"
+ 3 " --max-load=3 -x"
+ 8 " -l 8 "
+)
+for (( i = 0; i < ${#tests[@]}; i += 2 )) ; do
+ test-makeopts_loadavg "${tests[i]}" "${tests[i+1]}"
+done
+
+texit