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-rw-r--r--src/librefetch/librefetch.8.ronn12
1 files changed, 9 insertions, 3 deletions
diff --git a/src/librefetch/librefetch.8.ronn b/src/librefetch/librefetch.8.ronn
index 5720c8d..cf009de 100644
--- a/src/librefetch/librefetch.8.ronn
+++ b/src/librefetch/librefetch.8.ronn
@@ -184,9 +184,10 @@ The following modifications are made to makepkg:
* Don't symlink the resulting file into the current directory.
* <PURGE_TARGETS> interprets an item as a directory if it ends with a
slash ("/").
- * Timestamps in <$pkgdir> are reset to "1990-01-01 0:0:0 +0", so that
- the resulting tarball will be the same, regardless of when it was
- created.
+ * Timestamps in <$pkgdir> are reset to the date specified in
+ <SOURCE_DATE_EPOCH>[1], or "1990-01-01 0:0:0 +0" if it's not set, so
+ that the resulting tarball will be the same, regardless of when it
+ was created.
* Sort the files included in the tarball; normally the order of files
in a tarball is essentially random (even if it tends to be the same
when re-created on the same machine).
@@ -206,3 +207,8 @@ the `librefetch.conf` file.
## SEE ALSO
librefetch.conf(5), makepkg(8), PKGBUILD(5), SRCBUILD(5)
+
+## NOTES
+
+ 1. <SOURCE_DATE_EPOCH> specification for build systems
+ https://reproducible-builds.org/specs/source-date-epoch/