makepkg: add support for PACKAGER environment var

Add support for overriding configuration in /etc/makepkg.conf and
~/.makepkg.conf by setting the environment variable PACKAGER similar to
how SRCDEST and PKGDEST behave.

Signed-off-by: Allan McRae <allan@archlinux.org>

2 files changed, 6 insertions, 0 deletions

diff --git a/doc/makepkg.8.txt b/doc/makepkg.8.txt
index f693a5a8..df41e187 100644
--- a/doc/makepkg.8.txt
+++ b/doc/makepkg.8.txt
@@ -207,6 +207,10 @@ Environment Variables
 	Folder where the downloaded sources will be stored. Overrides the
 	corresponding value defined in linkman:makepkg.conf[5].
 
+**PACKAGER=**"John Doe <john@doe.com>"::
+	String to identify the creator of the resulting package. Overrides
+	the corresponding value defined in linkman:makepkg.conf[5].
+
 **BUILDDIR=**"/path/to/folder"::
 	Folder where the package will be built. Overrides the corresponding
 	value defined in linkman:makepkg.conf[5].
diff --git a/scripts/makepkg.sh.in b/scripts/makepkg.sh.in
index 085fbb91..914cacbe 100644
--- a/scripts/makepkg.sh.in
+++ b/scripts/makepkg.sh.in
@@ -1962,6 +1962,7 @@ set -E
 [[ -n ${PKGEXT} ]] && _PKGEXT=${PKGEXT}
 [[ -n ${SRCEXT} ]] && _SRCEXT=${SRCEXT}
 [[ -n ${GPGKEY} ]] && _GPGKEY=${GPGKEY}
+[[ -n ${PACKAGER} ]] && _PACKAGER=${PACKAGER}
 
 # default config is makepkg.conf
 MAKEPKG_CONF=${MAKEPKG_CONF:-$confdir/makepkg.conf}
@@ -2044,6 +2045,7 @@ SRCPKGDEST=${SRCPKGDEST:-$startdir} #default to $startdir if undefined
 PKGEXT=${_PKGEXT:-$PKGEXT}
 SRCEXT=${_SRCEXT:-$SRCEXT}
 GPGKEY=${_GPGKEY:-$GPGKEY}
+PACKAGER=${_PACKAGER:-$PACKAGER}
 
 if (( HOLDVER )) && [[ -n $FORCE_VER ]]; then
 	# The '\\0' is here to prevent gettext from thinking --holdver is an option