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1a73e46376
cmake/reproducible.patch
Simon Lees 1a73e46376 Accepting request 483399 from home:bmwiedemann:reproducible 
Add reproducible.patch and reproducible2.patch
  to allow for reproducible builds of freerdp and other packages

OBS-URL: https://build.opensuse.org/request/show/483399
OBS-URL: https://build.opensuse.org/package/show/devel:tools:building/cmake?expand=0&rev=284
2017-03-29 22:29:38 +00:00

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commit 243aed525a2fd8e5fe32139fd0f8d0cc0e40cc33
Author: Bernhard M. Wiedemann <bwiedemann@suse.de>
Date: Wed Jan 25 07:15:40 2017 +0100
cmTimestamp: Support SOURCE_DATE_EPOCH to override current time
See https://reproducible-builds.org/ for why this is good and
https://reproducible-builds.org/specs/source-date-epoch/ for the
definition of this variable.
diff --git a/Help/command/string.rst b/Help/command/string.rst
index 77538f6..2c7847a 100644
--- a/Help/command/string.rst
+++ b/Help/command/string.rst
@@ -329,6 +329,12 @@ If no explicit ``<format string>`` is given it will default to:
Write a string which can be used as an identifier in C.
+.. note::
+
+ If the ``SOURCE_DATE_EPOCH`` environment variable is set,
+ its value will be used instead of the current time.
+ See https://reproducible-builds.org/specs/source-date-epoch/ for details.
+
UUID
""""
diff --git a/Help/release/dev/SOURCE_DATE_EPOCH.rst b/Help/release/dev/SOURCE_DATE_EPOCH.rst
new file mode 100644
index 0000000..576e1da
--- /dev/null
+++ b/Help/release/dev/SOURCE_DATE_EPOCH.rst
@@ -0,0 +1,5 @@
+SOURCE_DATE_EPOCH
+-----------------
+
+* The :command:`string(TIMESTAMP)` will now honor the ``SOURCE_DATE_EPOCH``
+ environment variable and use its value instead of the current time.
diff --git a/Source/cmTimestamp.cxx b/Source/cmTimestamp.cxx
index 4a97114..1e5ac5b 100644
--- a/Source/cmTimestamp.cxx
+++ b/Source/cmTimestamp.cxx
@@ -12,6 +13,16 @@ std::string cmTimestamp::CurrentTime(const std::string& formatString,
bool utcFlag)
{
time_t currentTimeT = time(CM_NULLPTR);
+ std::string source_date_epoch;
+ cmSystemTools::GetEnv("SOURCE_DATE_EPOCH", source_date_epoch);
+ if (!source_date_epoch.empty()) {
+ std::istringstream iss(source_date_epoch);
+ iss >> currentTimeT;
+ if (iss.fail() || !iss.eof()) {
+ cmSystemTools::Error("Cannot parse SOURCE_DATE_EPOCH as integer");
+ exit(27);
+ }
+ }
if (currentTimeT == time_t(-1)) {
return std::string();
}
diff --git a/Tests/RunCMake/string/RunCMakeTest.cmake b/Tests/RunCMake/string/RunCMakeTest.cmake
index 8067d9d..38a77b0 100644
--- a/Tests/RunCMake/string/RunCMakeTest.cmake
+++ b/Tests/RunCMake/string/RunCMakeTest.cmake
@@ -6,6 +6,11 @@ run_cmake(AppendNoArgs)
run_cmake(Concat)
run_cmake(ConcatNoArgs)
+run_cmake(Timestamp)
+run_cmake(TimestampEmpty)
+run_cmake(TimestampInvalid)
+run_cmake(TimestampInvalid2)
+
run_cmake(Uuid)
run_cmake(UuidMissingNamespace)
run_cmake(UuidMissingNamespaceValue)
diff --git a/Tests/RunCMake/string/Timestamp-result.txt b/Tests/RunCMake/string/Timestamp-result.txt
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/Tests/RunCMake/string/Timestamp-result.txt
@@ -0,0 +1 @@
+0
diff --git a/Tests/RunCMake/string/Timestamp-stderr.txt b/Tests/RunCMake/string/Timestamp-stderr.txt
new file mode 100644
index 0000000..c12b070
--- /dev/null
+++ b/Tests/RunCMake/string/Timestamp-stderr.txt
@@ -0,0 +1 @@
+RESULT=2005-08-07 23:19:49 Sun Aug 05 day=219 wd=0 week=32 %%I=11
diff --git a/Tests/RunCMake/string/Timestamp.cmake b/Tests/RunCMake/string/Timestamp.cmake
new file mode 100644
index 0000000..1232300
--- /dev/null
+++ b/Tests/RunCMake/string/Timestamp.cmake
@@ -0,0 +1,3 @@
+set(ENV{SOURCE_DATE_EPOCH} "1123456789")
+string(TIMESTAMP RESULT "%Y-%m-%d %H:%M:%S %a %b %y day=%j wd=%w week=%U %%I=%I" UTC)
+message("RESULT=${RESULT}")
diff --git a/Tests/RunCMake/string/TimestampEmpty-result.txt b/Tests/RunCMake/string/TimestampEmpty-result.txt
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/Tests/RunCMake/string/TimestampEmpty-result.txt
@@ -0,0 +1 @@
+0
diff --git a/Tests/RunCMake/string/TimestampEmpty-stderr.txt b/Tests/RunCMake/string/TimestampEmpty-stderr.txt
new file mode 100644
index 0000000..35cbd3c
--- /dev/null
+++ b/Tests/RunCMake/string/TimestampEmpty-stderr.txt
@@ -0,0 +1 @@
+RESULT=2
diff --git a/Tests/RunCMake/string/TimestampEmpty.cmake b/Tests/RunCMake/string/TimestampEmpty.cmake
new file mode 100644
index 0000000..21b770f
--- /dev/null
+++ b/Tests/RunCMake/string/TimestampEmpty.cmake
@@ -0,0 +1,3 @@
+set(ENV{SOURCE_DATE_EPOCH} "")
+string(TIMESTAMP RESULT "%Y-%m-%d %H:%M:%S" UTC)
+message("RESULT=${RESULT}")
diff --git a/Tests/RunCMake/string/TimestampInvalid-result.txt b/Tests/RunCMake/string/TimestampInvalid-result.txt
new file mode 100644
index 0000000..f64f5d8
--- /dev/null
+++ b/Tests/RunCMake/string/TimestampInvalid-result.txt
@@ -0,0 +1 @@
+27
diff --git a/Tests/RunCMake/string/TimestampInvalid-stderr.txt b/Tests/RunCMake/string/TimestampInvalid-stderr.txt
new file mode 100644
index 0000000..75566da
--- /dev/null
+++ b/Tests/RunCMake/string/TimestampInvalid-stderr.txt
@@ -0,0 +1 @@
+CMake Error: Cannot parse SOURCE_DATE_EPOCH as integer
diff --git a/Tests/RunCMake/string/TimestampInvalid.cmake b/Tests/RunCMake/string/TimestampInvalid.cmake
new file mode 100644
index 0000000..ab36270
--- /dev/null
+++ b/Tests/RunCMake/string/TimestampInvalid.cmake
@@ -0,0 +1,3 @@
+set(ENV{SOURCE_DATE_EPOCH} "invalid-integer")
+string(TIMESTAMP RESULT "%Y-%m-%d %H:%M:%S" UTC)
+message("RESULT=${RESULT}")
diff --git a/Tests/RunCMake/string/TimestampInvalid2-result.txt b/Tests/RunCMake/string/TimestampInvalid2-result.txt
new file mode 100644
index 0000000..f64f5d8
--- /dev/null
+++ b/Tests/RunCMake/string/TimestampInvalid2-result.txt
@@ -0,0 +1 @@
+27
diff --git a/Tests/RunCMake/string/TimestampInvalid2-stderr.txt b/Tests/RunCMake/string/TimestampInvalid2-stderr.txt
new file mode 100644
index 0000000..75566da
--- /dev/null
+++ b/Tests/RunCMake/string/TimestampInvalid2-stderr.txt
@@ -0,0 +1 @@
+CMake Error: Cannot parse SOURCE_DATE_EPOCH as integer
diff --git a/Tests/RunCMake/string/TimestampInvalid2.cmake b/Tests/RunCMake/string/TimestampInvalid2.cmake
new file mode 100644
index 0000000..5cc61b8
--- /dev/null
+++ b/Tests/RunCMake/string/TimestampInvalid2.cmake
@@ -0,0 +1,3 @@
+set(ENV{SOURCE_DATE_EPOCH} "123trailing-garbage")
+string(TIMESTAMP RESULT "%Y-%m-%d %H:%M:%S" UTC)
+message("RESULT=${RESULT}")
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