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authorDave Reisner <dreisner@archlinux.org>2012-01-09 16:01:48 -0500
committerDan McGee <dan@archlinux.org>2012-05-20 17:55:32 -0500
commitc4ea4e017fc35fe8c5057b86bab0a95dac75fc6f (patch)
tree95c9afad842a516d1d593e5f52de2a1cd38fb17d
parente533478e02882170653d79b756ae3d5690d076e9 (diff)
updpkgsums: add new contrib script
This updates checksums in a PKGBUILD in-place. If no sums are found, they are appended to the end.
-rw-r--r--contrib/.gitignore1
-rw-r--r--contrib/Makefile.am5
-rwxr-xr-xcontrib/updpkgsums.sh.in93
3 files changed, 98 insertions, 1 deletions
diff --git a/contrib/.gitignore b/contrib/.gitignore
index 01bc22bd..afbca0fb 100644
--- a/contrib/.gitignore
+++ b/contrib/.gitignore
@@ -8,4 +8,5 @@ pacscripts
pacsearch
pacsysclean
rankmirrors
+updpkgsums
zsh_completion
diff --git a/contrib/Makefile.am b/contrib/Makefile.am
index a325d62a..e33707bf 100644
--- a/contrib/Makefile.am
+++ b/contrib/Makefile.am
@@ -12,7 +12,8 @@ BASHSCRIPTS = \
paclog-pkglist \
pacscripts \
pacsysclean \
- rankmirrors
+ rankmirrors \
+ updpkgsums
OTHERSCRIPTS = \
pacsearch
@@ -37,6 +38,7 @@ EXTRA_DIST = \
pacsearch.in \
pacsysclean.sh.in \
rankmirrors.sh.in
+ updpkgsums.sh.in \
vimprojects \
zsh_completion.in \
README
@@ -98,6 +100,7 @@ pacscripts: $(srcdir)/pacscripts.sh.in
pacsearch: $(srcdir)/pacsearch.in
pacsysclean: $(srcdir)/pacsysclean.sh.in
rankmirrors: $(srcdir)/rankmirrors.sh.in
+updpkgsums: $(srcdir)/updpkgsums.sh.in
zsh_completion: $(srcdir)/zsh_completion.in
# vim:set ts=2 sw=2 noet:
diff --git a/contrib/updpkgsums.sh.in b/contrib/updpkgsums.sh.in
new file mode 100755
index 00000000..f4649b54
--- /dev/null
+++ b/contrib/updpkgsums.sh.in
@@ -0,0 +1,93 @@
+#!/bin/bash
+#
+# updpkgsums - update source checksums in-place in PKGBUILDs
+#
+# Copyright (C) 2012 Dave Reisner <dreisner@archlinux.org>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+shopt -s extglob
+
+declare -r myname='updpkgsums'
+declare -r myver='@PACKAGE_VERSION@'
+
+usage() {
+ printf 'usage: %s [buildfile]\n\n' "$myname"
+ printf ' -h, --help display this help message and exit\n'
+ printf ' -V, --version display version information and exit\n\n'
+ printf '%s will perform an in place update the checksums in the\n' "$myname"
+ printf 'path specified by [buildfile], defaulting to PKGBUILD in the current\n'
+ printf 'working directory.\n'
+}
+
+version() {
+ printf "%s %s\n" "$myname" "$myver"
+ echo 'Copyright (C) 2012 Dave Reisner <dreisner@archlinux.org>'
+}
+
+case $1 in
+ -h|--help) usage; exit ;;
+ -V|--version) version; exit ;;
+esac
+
+buildfile=${1:-PKGBUILD}
+if [[ ! -f $buildfile ]]; then
+ printf $'==> ERROR: \`%s\' not found or is not a file: %s\n' "$buildfile"
+ exit 1
+fi
+
+# Resolve any symlinks to avoid replacing the symlink with a file. But, we
+# have to do this portably -- readlink's flags are inconsistent across OSes.
+while [[ -L $buildfile ]]; do
+ buildfile=$(readlink "$buildfile")
+ if [[ $buildfile = */* ]]; then
+ cd "${buildfile%/*}"
+ buildfile=${buildfile##*/}
+ fi
+done
+
+# cd into the directory with the build file. This avoids creating random src/
+# directories scattered about the filesystem, and avoids cases where we might
+# not be able to write in the $PWD.
+if [[ $buildfile = */* ]]; then
+ cd "${buildfile%/*}"
+ buildfile=${buildfile##*/}
+fi
+
+# Check $PWD/ for permission to unlink the $buildfile and write a new one
+if [[ ! -w . ]]; then
+ printf $'==> ERROR: No write permission in `%s\'\n' "$PWD"
+ exit 1
+fi
+
+{
+ # Generate the new sums and try to unlink the file before writing stdin back
+ # into it. This final precaution shouldn't fail based on the previous checks,
+ # but it's better to be extra careful before unlinking files.
+ newsums=$(makepkg -g -p "$buildfile") && rm -f "$buildfile" &&
+ exec awk -v newsums="$newsums" '
+ /^[[:blank:]]*(md|sha)[[:digit:]]+sums=/,/\)[[:blank:]]*(#.*)?$/ {
+ if (!w) {
+ print newsums
+ w++
+ }
+ next
+ }
+
+ 1
+ END { if (!w) print newsums }
+ ' > "$buildfile"
+} < "$buildfile"
+
+# vim: set ts=2 sw=2 noet: