Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

68 lines (52 sloc) 1.593 kb
# common.sh - defines common operations so we can quickly check the
# sanity of the environment our scripts run in.
# Somewhat counterintuitively, these return 0 if true and 1 if false.
# That's so we can set -e and do sanity checking quickly.
#
# global constants, relative to the repository root
#
ASSETS_DIR="assets"
ITG2_UTIL_DIR="$ASSETS_DIR/utilities/itg2-util/src"
ITG2_UTIL_FILE="itg2ac-util"
ITG2_UTIL_PATH="$ITG2_UTIL_DIR/$ITG2_UTIL_FILE"
VERIFY_SIG_DIR="src/verify_signature/java"
VERIFY_SIG_FILE="SignFile.java"
VERIFY_SIG_PATH="$VERIFY_SIG_DIR/$VERIFY_SIG_FILE"
#
# generic sanity checking functions and their generic error messages
#
COMMAND_ERROR="Command \"%s\" not found! Please fix that so we can continue."
FILE_ERROR="File \"%s\" not found! We need that to continue; please find it."
# has_command [cmd] [error] - if cmd cannot be found, display "error" if
# supplied, (which may use %s to get the cmd name) or use a generic error.
function has_command
{
if [ -z "$1" ]; then
echo "$0: no command given to check!"
return 1
fi
set +e
which $1 &> /dev/null
RET="$?"
set -e
if [ $RET -eq 0 ]; then return 0; fi
# use the custom error message if we have it
printf "${2-$COMMAND_ERROR}\n" $1
return 1
}
# has_file [file] [error] - has_command, but for files. Same rules apply.
function has_file
{
if [ -z "$1" ]; then
echo "$0: no file given to check!"
return 1
fi
set +e
file "$1" &> /dev/null
RET=$?
set -e
if [ $RET -eq 0 ]; then return 0; fi
# use the custom error message if we have it
printf "${2-$FILE_ERROR}\n" $1
return 1
}
Jump to Line
Something went wrong with that request. Please try again.