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authorJoshua Ismael Haase Hernández <hahj87@gmail.com>2011-12-21 01:14:32 -0600
committerJoshua Ismael Haase Hernández <hahj87@gmail.com>2011-12-21 01:14:32 -0600
commitdce177d9f929c18d5eb2b5164b18f92c701a0052 (patch)
treea184d2959a12eac3b511f668526012867473b66f /is_built
parent6a56fa9179e7ce08b5bbaf4407c0d1a10aabde08 (diff)
Some usage messages added
Diffstat (limited to 'is_built')
-rwxr-xr-xis_built17
1 files changed, 15 insertions, 2 deletions
diff --git a/is_built b/is_built
index f789e4f..60f24e9 100755
--- a/is_built
+++ b/is_built
@@ -1,11 +1,24 @@
#!/bin/bash
-# Detect is a package is installed or in a database
+usage() {
+ echo "$0 "
+ echo
+ echo "Detect is a package is installed or in a database"
+ echo
+ echo "Example usage: is_built \"pcre>=20\""
+}
+
+while getopts 'h' arg; do
+ case $arg in
+ h) usage; exit 0 ;;
+ *) usage; exit 1 ;;
+ esac
+done
# Checks for package, if -T returns non-zero output, egrep will return 0
# because it finds it, so we negate the value to say it's not built.
# -Sp works backwards, it will print output only when the package already
# exists
-# Example usage: is_built "pcre>=20"
+
!(sudo pacman -T "$1" | egrep "*" >/dev/null) || \
sudo pacman -Sp "$1" --print-format "%n-%v" 2>/dev/null | egrep "*" >/dev/null