1 files changed, 43 insertions, 0 deletions
diff --git a/src/lib/util/pkgbuild.sh b/src/lib/util/pkgbuild.sh
new file mode 100644
index 0000000..ebf8e5f
--- /dev/null
+++ b/src/lib/util/pkgbuild.sh
@@ -0,0 +1,43 @@
+#!/hint/bash
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+[[ -z ${DEVTOOLS_INCLUDE_UTIL_PKGBUILD_SH:-} ]] || return 0
+DEVTOOLS_INCLUDE_UTIL_PKGBUILD_SH=1
+
+_DEVTOOLS_LIBRARY_DIR=${_DEVTOOLS_LIBRARY_DIR:-@pkgdatadir@}
+
+source /usr/share/makepkg/util/message.sh
+
+set -e
+
+
+# set the pkgver variable in a PKGBUILD
+# assumes that the pkgbuild is sourced to detect the presence of a pkgver function
+pkgbuild_set_pkgver() {
+	local new_pkgver=$1
+	local pkgver=${pkgver}
+
+	if [[ $(type -t pkgver) == function ]]; then
+		# TODO: check if die or warn, if we provide _commit _gitcommit setter maybe?
+		warning 'setting pkgver variable has no effect if the PKGBUILD has a pkgver() function'
+	fi
+
+	if ! grep --extended-regexp --quiet --max-count=1 "^pkgver=${pkgver}$" PKGBUILD; then
+		die "Non-standard pkgver declaration"
+	fi
+	sed --regexp-extended "s|^(pkgver=)${pkgver}$|\1${new_pkgver}|g" --in-place PKGBUILD
+}
+
+# set the pkgrel variable in a PKGBUILD
+# assumes that the pkgbuild is sourced so pkgrel is present
+pkgbuild_set_pkgrel() {
+	local new_pkgrel=$1
+	local pkgrel=${pkgrel}
+
+	if ! grep --extended-regexp --quiet --max-count=1 "^pkgrel=${pkgrel}$" PKGBUILD; then
+		die "Non-standard pkgrel declaration"
+	fi
+	sed --regexp-extended "s|^(pkgrel=)${pkgrel}$|\1${new_pkgrel}|g" --in-place PKGBUILD
+}
+