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-rw-r--r--scripts/libmakepkg/integrity/generate_checksum.sh.in107
1 files changed, 107 insertions, 0 deletions
diff --git a/scripts/libmakepkg/integrity/generate_checksum.sh.in b/scripts/libmakepkg/integrity/generate_checksum.sh.in
new file mode 100644
index 00000000..7a567100
--- /dev/null
+++ b/scripts/libmakepkg/integrity/generate_checksum.sh.in
@@ -0,0 +1,107 @@
+#!/bin/bash
+#
+# generate_checksum.sh - functions for generating source checksums
+#
+# Copyright (c) 2014-2016 Pacman Development Team <pacman-dev@archlinux.org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+[[ -n "$LIBMAKEPKG_INTEGRITY_GENERATE_CHECKSUM_SH" ]] && return
+LIBMAKEPKG_INTEGRITY_GENERATE_CHECKSUM_SH=1
+
+LIBRARY=${LIBRARY:-'@libmakepkgdir@'}
+
+source "$LIBRARY/util/message.sh"
+source "$LIBRARY/util/pkgbuild.sh"
+
+generate_one_checksum() {
+ local integ=$1 arch=$2 sources numsrc indentsz idx
+
+ if [[ $arch ]]; then
+ array_build sources "source_$arch"
+ else
+ array_build sources 'source'
+ fi
+
+ numsrc=${#sources[*]}
+ if (( numsrc == 0 )); then
+ return
+ fi
+
+ if [[ $arch ]]; then
+ printf "%ssums_%s=(%n" "$integ" "$arch" indentsz
+ else
+ printf "%ssums=(%n" "$integ" indentsz
+ fi
+
+ for (( idx = 0; idx < numsrc; ++idx )); do
+ local netfile=${sources[idx]}
+ local proto sum
+ proto="$(get_protocol "$netfile")"
+
+ case $proto in
+ bzr*|git*|hg*|svn*)
+ sum="SKIP"
+ ;;
+ *)
+ if [[ $netfile != *.@(sig?(n)|asc) ]]; then
+ local file
+ file="$(get_filepath "$netfile")" || missing_source_file "$netfile"
+ sum="$(openssl dgst -${integ} "$file")"
+ sum=${sum##* }
+ else
+ sum="SKIP"
+ fi
+ ;;
+ esac
+
+ # indent checksum on lines after the first
+ printf "%*s%s" $(( idx ? indentsz : 0 )) '' "'$sum'"
+
+ # print a newline on lines before the last
+ (( idx < (numsrc - 1) )) && echo
+ done
+
+ echo ")"
+}
+
+generate_checksums() {
+ msg "$(gettext "Generating checksums for source files...")"
+
+ if ! type -p openssl >/dev/null; then
+ error "$(gettext "Cannot find the %s binary required for generating sourcefile checksums.")" "openssl"
+ exit 1 # $E_MISSING_PROGRAM
+ fi
+
+ local integlist
+ if (( $# == 0 )); then
+ IFS=$'\n' read -rd '' -a integlist < <(get_integlist)
+ else
+ integlist=("$@")
+ fi
+
+ local integ
+ for integ in "${integlist[@]}"; do
+ if ! in_array "$integ" "${known_hash_algos[@]}"; then
+ error "$(gettext "Invalid integrity algorithm '%s' specified.")" "$integ"
+ exit 1 # $E_CONFIG_ERROR
+ fi
+
+ generate_one_checksum "$integ"
+ for a in "${arch[@]}"; do
+ generate_one_checksum "$integ" "$a"
+ done
+ done
+}