From b32f00ebe32fd57264a1527641cfb7cd0844e81f Mon Sep 17 00:00:00 2001
From: Josh Durgin <josh.durgin@dreamhost.com>
Date: Tue, 7 Jun 2011 10:06:58 -0700
Subject: [PATCH] coverage: add ceph-coverage to run something with the right
 GCOV_PREFIX_STRIP

Signed-off-by: Josh Durgin <josh.durgin@dreamhost.com>
---
 configure.ac         |  1 +
 src/.gitignore       |  1 +
 src/Makefile.am      | 10 +++++++---
 src/ceph-coverage.in | 25 +++++++++++++++++++++++++
 4 files changed, 34 insertions(+), 3 deletions(-)
 create mode 100644 src/ceph-coverage.in

diff --git a/configure.ac b/configure.ac
index 3d32d1ceab674..0c109c67bd224 100644
--- a/configure.ac
+++ b/configure.ac
@@ -147,6 +147,7 @@ AC_ARG_ENABLE([coverage],
             [],
             [enable_coverage=no])
 AM_CONDITIONAL(ENABLE_COVERAGE, test "x$enable_coverage" != xno)
+AC_SUBST(GCOV_PREFIX_STRIP, `echo $(pwd)/src | tr -dc / | wc -c`)
 
 # radosgw?
 AC_ARG_WITH([radosgw],
diff --git a/src/.gitignore b/src/.gitignore
index 710787e4a6e7f..21d5fa803573a 100644
--- a/src/.gitignore
+++ b/src/.gitignore
@@ -58,6 +58,7 @@ crush/CrushWrapper_wrap.cxx
 /cconf
 /cdebugpack
 /cephfs
+/ceph-coverage
 /dumpjournal
 /gceph
 /init-ceph
diff --git a/src/Makefile.am b/src/Makefile.am
index acea1d89661d6..e95d4dca77d4a 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -462,9 +462,10 @@ editpaths = sed \
 	-e 's|@libdir[@]|$(libdir)|g' \
 	-e 's|@sysconfdir[@]|$(sysconfdir)|g' \
 	-e 's|@datadir[@]|$(pkgdatadir)|g' \
-	-e 's|@prefix[@]|$(prefix)|g'
+	-e 's|@prefix[@]|$(prefix)|g' \
+	-e 's|@@GCOV_PREFIX_STRIP[@][@]|$(GCOV_PREFIX_STRIP)|g'
 
-init-ceph mkcephfs cdebugpack: init-ceph.in mkcephfs.in Makefile cdebugpack.in
+init-ceph mkcephfs cdebugpack ceph-coverage: init-ceph.in mkcephfs.in Makefile cdebugpack.in ceph-coverage.in
 	rm -f $@ $@.tmp
 	$(editpaths) '$(srcdir)/$@.in' >$@.tmp
 	chmod +x $@.tmp
@@ -476,13 +477,15 @@ sbin_SCRIPTS += mkcephfs
 
 bin_SCRIPTS += obsync/obsync
 bin_SCRIPTS += obsync/boto_tool
+bin_SCRIPTS += ceph-coverage
 
 CLEANFILES += \
 	cdebugpack \
 	ceph_ver.h \
 	init-ceph \
 	mkcephfs \
-	sample.fetch_config
+	sample.fetch_config \
+	ceph-coverage
 
 ##
 
@@ -524,6 +527,7 @@ noinst_LIBRARIES +=  #libcephclient_so.a
 EXTRA_DIST = $(srcdir)/verify-mds-journal.sh $(srcdir)/vstart.sh $(srcdir)/stop.sh \
 	crun $(srcdir)/ceph_common.sh $(srcdir)/init-ceph.in $(srcdir)/mkcephfs.in \
 	$(srcdir)/cdebugpack.in \
+	$(srcdir)/ceph-coverage.in \
 	$(srcdir)/cclsinfo $(srcdir)/make_version $(srcdir)/check_version \
 	$(srcdir)/.git_version \
 	$(srcdir)/crbdnamer \
diff --git a/src/ceph-coverage.in b/src/ceph-coverage.in
new file mode 100644
index 0000000000000..85e833955bbb0
--- /dev/null
+++ b/src/ceph-coverage.in
@@ -0,0 +1,25 @@
+#!/bin/sh
+set -e
+
+export GCOV_PREFIX_STRIP=@@GCOV_PREFIX_STRIP@@
+
+usage () {
+      printf '%s: usage: %s OUTPUTDIR COMMAND [ARGS..]\n' "$(basename "$0")" "$(basename "$0")" 1>&2
+      exit 1
+}
+
+export GCOV_PREFIX="$1"
+[ -n "$GCOV_PREFIX" ] || usage
+shift
+
+case "$GCOV_PREFIX" in
+    /*)
+	# absolute path -> ok
+	;;
+    *)
+	# make it absolute
+	GCOV_PREFIX="$PWD/$GCOV_PREFIX"
+	;;
+esac
+
+exec "$@"
-- 
2.39.5