gnu: r-minimal: Respect SOURCE_DATE_EPOCH in srcfile.

Fixes <https://bugs.gnu.org/30729>.

* gnu/packages/statistics.scm (r-minimal)[arguments]: Replace timestamp hack
with patch to "srcfile" and "srcfilecopy".
master
Ricardo Wurmus 2018-03-09 22:25:40 +01:00
parent 8e3b852ad0
commit 0fa4702c04
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1 changed files with 9 additions and 15 deletions

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@ -172,21 +172,15 @@ be output in text, PostScript, PDF or HTML.")
;; queries the mtime of a given file and records it in an object.
;; This is acceptable at runtime to detect stale source files,
;; but it destroys reproducibility at build time.
;;
;; Instead of disabling this feature, which may have unexpected
;; consequences, we reset the mtime of generated files before
;; passing them to the "srcfile" procedure.
(substitute* "src/library/Makefile.in"
(("@\\(cd base && \\$\\(MAKE\\) mkdesc\\)" line)
(string-append line "\n find $(top_builddir)/library/tools | xargs touch -d '1970-01-01'; \n"))
(("@\\$\\(MAKE\\) Rdobjects" line)
(string-append "@find $(srcdir)/tools | xargs touch -d '1970-01-01'; \n "
line)))
(substitute* "src/library/tools/Makefile.in"
(("@\\$\\(INSTALL_DATA\\) all.R \\$\\(top_builddir\\)/library/\\$\\(pkg\\)/R/\\$\\(pkg\\)" line)
(string-append
line
"\n find $(srcdir)/$(pkg) $(top_builddir)/library/$(pkg) | xargs touch -d \"1970-01-01\"; \n")))
;; Similarly, the "srcfilecopy" procedure records the current
;; time. We change both of them to respect SOURCE_DATE_EPOCH.
(substitute* "src/library/base/R/srcfile.R"
(("timestamp <- (timestamp.*|file.mtime.*)" _ time)
(string-append "timestamp <- \
as.POSIXct(if (\"\" != Sys.getenv(\"SOURCE_DATE_EPOCH\")) {\
as.numeric(Sys.getenv(\"SOURCE_DATE_EPOCH\"))\
} else { " time "}, origin=\"1970-01-01\")\n")))
;; This library is installed using "install_package_description",
;; so we need to pass the "builtStamp" argument.