Read date only once.

Instead of reading the date multiple times, read the date
once at startup, and then use that date as a reference
for all subsequent uses of $(date) so that file and directory
names use a consistent value for the date.

Change-Id: I44a51c314df53a5d9b1cd14b66f31d10132e3090

5 files changed, 11 insertions, 8 deletions

diff --git a/lib/common.sh b/lib/common.sh
index 5db305e0..56dcfb33 100644
--- a/lib/common.sh
+++ b/lib/common.sh
@@ -195,7 +195,7 @@ create_release_version()
 	    local revision="@$(git -C ${srcdir} log --oneline | head -1 | cut -d ' ' -f 1)"
 	fi
 
-	local date="$(date +%Y%m%d)"
+	local date="$(date --date="@${timestamp}" +%Y%m%d)"
 
 	# return the version string array
 	local rtag="${branch}${revision}-${date}"
@@ -253,7 +253,7 @@ create_release_tag()
     # Only expand ${version} if it exists, so we don't get a spurious '-'.
     local rtag="${component}-linaro${version:+-${version}}"
     if test x"${release}" = x; then
-	local date="$(date +%Y%m%d)"
+	local date="$(date --date="@${timestamp}" +%Y%m%d)"
 	if test x"${component}" = x"glibc"; then
 	    local branch="$(echo ${branch} | tr '/' '-')"
 	fi
diff --git a/lib/configure.sh b/lib/configure.sh
index 631af51c..8c925b0a 100755
--- a/lib/configure.sh
+++ b/lib/configure.sh
@@ -93,7 +93,7 @@ configure_build()
     # The release string is usually the date as well, but in YYYY.MM format.
     # For snapshots we add the day field as well.
     if test x"${release}" = x; then
-	local date="$(date "+%Y.%m")"
+	local date="$(date --date="@${timestamp}" "+%Y.%m")"
     else
 	local date="${release}"
     fi
diff --git a/lib/globals.sh b/lib/globals.sh
index b6669776..c29a6a74 100644
--- a/lib/globals.sh
+++ b/lib/globals.sh
@@ -24,7 +24,10 @@ build="${build}"
 host="${host:-${build}}"
 target="${host}"
 
-date="$(date "+%Y.%m.%d")"
+# we need to read the date once, so that we don't have
+# varying dates when midnight occurs during a build.
+timestamp=$(date +%s)
+date="$(date --date="@${timestamp}" "+%Y.%m.%d")"
 gcc="$(which gcc)"
 host_gcc_version="$(${gcc} -v 2>&1 | tail -1)"
 binutils="default"
diff --git a/lib/package.sh b/lib/package.sh
index b485e2cd..f877ed89 100644
--- a/lib/package.sh
+++ b/lib/package.sh
@@ -157,7 +157,7 @@ binary_gdb()
 
 # Produce a binary toolchain tarball
 # For daily builds produced by Jenkins, we use
-# $(date +%Y%m%d)-${BUILD_NUMBER}-${GIT_REVISION}
+# $(date --date="@${timestamp}" +%Y%m%d)-${BUILD_NUMBER}-${GIT_REVISION}
 # e.g artifact_20130906-12-245f0869.tar.xz
 binary_toolchain()
 {
@@ -526,7 +526,7 @@ binutils_src_tarball()
     done
  
     if test x"${release}" != x; then
-	local date="$(date +%Y%m%d)"
+	local date="$(date --date="@${timestamp}" +%Y%m%d)"
 	if test "$(echo $1 | grep -c '@')" -gt 0; then
 	    local revision="$(echo $1 | cut -d '@' -f 2)"
 	fi
@@ -537,7 +537,7 @@ binutils_src_tarball()
 	else
 	    local binutils_version="$(echo ${binutils_version} | sed -e "s:-2.*:-${date}:")"
 	fi
-	local date="$(date +%Y%m%d)"
+	local date="$(date --date="@${timestamp}" +%Y%m%d)"
 	local tag="${binutils_version}-linaro${revision}-${date}"
     else
 	local tag="binutils-linaro-${version}-${release}"
diff --git a/lib/release.sh b/lib/release.sh
index d5fd3e99..6dc61cf7 100755
--- a/lib/release.sh
+++ b/lib/release.sh
@@ -234,7 +234,7 @@ edit_changelogs()
 	local email="${BUILD_USER_ID}"
     fi
 
-    local date="$(date +%Y-%m-%d)"
+    local date="$(date --date="@${timestamp}" +%Y-%m-%d)"
 
     # Get all the ChangeLog files.
     local clogs="$(find ${basedir}/ -name ChangeLog)"