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authorlolilolicon <lolilolicon@gmail.com>2011-10-06 14:14:46 +0800
committerDan McGee <dan@archlinux.org>2011-10-06 02:10:25 -0500
commit22abe27bfa4f4e6c3ce3dfc345bb45a1f0666ab8 (patch)
treef78a3b5281058bf9e3a49f2b2a0be928a02ecb62
parent4928f9edc371a4e4f90f329c9908f00cdbfe5bfb (diff)
bacman: use globbing to get local package db path
The original code- pkg_dir="$(echo $pac_db/$pkg_name-[0-9]*)" is problematic in several ways: - $pac_db and $pkg_name should be quoted, obviously. - It assumes pkgver always starts with an integer, while in fact it just can't contain ':' and '-'. Counterexample: the code breaks on lshw B.02.15-1. - It assumes there are no more than one directory matching the pattern. While this should be the case if everything works perfectly, it certainly relies on external conditions. Counterexample: if the local db contains two packages named foo and foo-3g, even if everything else is perfect, the code will match two directories. Don't make assumptions, use what is known. Signed-off-by: lolilolicon <lolilolicon@gmail.com>
-rwxr-xr-xcontrib/bacman.in14
1 files changed, 11 insertions, 3 deletions
diff --git a/contrib/bacman.in b/contrib/bacman.in
index adc2cb36..96360911 100755
--- a/contrib/bacman.in
+++ b/contrib/bacman.in
@@ -93,8 +93,8 @@ pkg_dest="${PKGDEST:-$PWD}"
pkg_pkger=${PACKAGER:-'Unknown Packager'}
pkg_name="$1"
-pkg_dir="$(echo $pac_db/$pkg_name-[0-9]*)"
-pkg_namver="${pkg_dir##*/}"
+pkg_dir=("$pac_db/$pkg_name"-+([^-])-+([0-9]))
+pkg_namver=("${pkg_dir[@]##*/}")
#
# Checks everything is in place
@@ -104,8 +104,16 @@ if [[ ! -d $pac_db ]]; then
exit 1
fi
+if (( ${#pkg_dir[@]} != 1 )); then
+ printf "ERROR: %d entries for package %s found in pacman database\n" \
+ ${#pkg_dir[@]} "${pkg_name}"
+ printf "%s\n" "${pkg_dir[@]}"
+ exit 1
+fi
+
if [[ ! -d $pkg_dir ]]; then
- echo "ERROR: package ${pkg_name} not found in pacman database"
+ printf "ERROR: package %s is found in pacman database,\n" "${pkg_name}"
+ printf " but \`%s' is not a directory\n" "${pkg_dir}"
exit 1
fi