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authorEli Schwartz <eschwartz@archlinux.org>2017-09-12 23:59:24 -0400
committerAllan McRae <allan@archlinux.org>2017-09-13 14:21:34 +1000
commit4dae3fde17d663bf39a17978c2ee365696a54fb0 (patch)
tree0c3a5f0a1a38fd35995961e550f8111cdf3ed61b /scripts/makepkg.sh.in
parent39319c1860d200a9b4a3cc2c6975e3cece502f2d (diff)
makepkg: respect $SOURCE_DATE_EPOCH to activate reproducible builds
If SOURCE_DATE_EPOCH is set, `touch` all source files between the (optional) prepare() and build() functions to unify the modification times. This works around build systems and compilers that embed the file modification times into the file contents of release artifacts. Signed-off-by: Eli Schwartz <eschwartz@archlinux.org> Signed-off-by: Allan McRae <allan@archlinux.org>
Diffstat (limited to 'scripts/makepkg.sh.in')
-rw-r--r--scripts/makepkg.sh.in13
1 files changed, 12 insertions, 1 deletions
diff --git a/scripts/makepkg.sh.in b/scripts/makepkg.sh.in
index 20e9dd7e..a466e4f1 100644
--- a/scripts/makepkg.sh.in
+++ b/scripts/makepkg.sh.in
@@ -79,6 +79,7 @@ PKGFUNC=0
PKGVERFUNC=0
PREPAREFUNC=0
REPKG=0
+REPRODUCIBLE=0
RMDEPS=0
SKIPCHECKSUMS=0
SKIPPGPCHECK=0
@@ -87,7 +88,12 @@ SPLITPKG=0
SOURCEONLY=0
VERIFYSOURCE=0
-export SOURCE_DATE_EPOCH=${SOURCE_DATE_EPOCH:-$(date +%s)}
+if [[ -n $SOURCE_DATE_EPOCH ]]; then
+ REPRODUCIBLE=1
+else
+ SOURCE_DATE_EPOCH=$(date +%s)
+fi
+export SOURCE_DATE_EPOCH
PACMAN_OPTS=()
@@ -1686,6 +1692,11 @@ if (( !REPKG )); then
if (( PREPAREFUNC )); then
run_prepare
fi
+ if (( REPRODUCIBLE )); then
+ # We have activated reproducible builds, so unify source times before
+ # building
+ find "$srcdir" -exec touch -h -d @$SOURCE_DATE_EPOCH {} +
+ fi
fi
if (( PKGVERFUNC )); then