diff options
| -rw-r--r-- | doc/makepkg.8.txt | 16 | ||||
| -rw-r--r-- | scripts/makepkg.sh.in | 13 |
2 files changed, 28 insertions, 1 deletions
diff --git a/doc/makepkg.8.txt b/doc/makepkg.8.txt index 2dff1b19..e1d50775 100644 --- a/doc/makepkg.8.txt +++ b/doc/makepkg.8.txt @@ -206,6 +206,7 @@ Options *\--printsrcinfo*:: Generate and print the SRCINFO file to stdout. + Additional Features ------------------- makepkg supports building development versions of packages without having to @@ -214,6 +215,19 @@ separate utility 'versionpkg'. See linkman:PKGBUILD[5] for details on how to set up a development PKGBUILD. +Reproducibility +--------------- +makepkg is designed to be compatible with +link:https://reproducible-builds.org/docs/[Reproducible Builds]. If the +**SOURCE_DATE_EPOCH** environment variable is set, it will be exported to +subprocesses, and source and package file modification times and package +metadata will be unified based on the timestamp specified. + +If the **SOURCE_DATE_EPOCH** environment variable is not set, makepkg will use +its own start date for internal use, but will not unify source file timestamps +before building. + + Environment Variables --------------------- **PACMAN**:: @@ -265,6 +279,8 @@ Environment Variables Specify a key to use when signing packages, overriding the GPGKEY setting in linkman:makepkg.conf[5] +**SOURCE_DATE_EPOCH=**"<date>":: + Used for link:https://reproducible-builds.org/docs/[Reproducible Builds]. Configuration ------------- 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 |