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Re: Docklet(ing) API & 10.1: Where ????

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On Friday, October 5, 2001, at 06:05 , email@hidden wrote:

3. In order to launch from the StartupItems folder the executable to be
launched must be placed in a sub-folder of StartupItems and have the same
name of the folder it exists in. I tried a number of different approaches
but I could not get this to accept an app package as a startup item. It
seems the executable must exist at the top level of the sub-folder and
therefore StartupItems cannot be app packages (bundles). The bundle support
for StartupItems items is limited to localizing the startup string
displayed during boot up.

That's not entirely true. The process that launches startup items looks in subdirectories of StartupItems for files with the same name as their enclosing folders, and attempts to execute them. The file that gets executed can, in turn, launch code located in a completely different place.

For instance, here's the StartupItem for PostgreSQL that I created:

#!/bin/sh

##
# Start PostgreSQL
##

. /etc/rc.common

if [ "${POSTGRESQL:=-NO-}" = "-YES-" ]; then
ConsoleMessage "Starting PostgreSQL"

LD_LIBRARY_PATH=/usr/local/pgsql/lib
PATH=/usr/local/pgsql/bin:$PATH
export LD_LIBRARY_PATH PATH
rm -f /Users/postgres/data/postmaster.pid
su postgres -c "pg_ctl start -w -o '-i' -D /Users/postgres/data -l /Users/postgres/postgres.log"
fi

This is in a file named /Library/StartupItems/PostgreSQL/PostgreSQL. Note that it executes the script /usr/local/pgsql/bin/pg_ctl, which in turn executes /usr/local/pgsql/bin/postmaster. So, to start an application in a package at StartupItem time, you just reference the executable part of the package in your StartupItem (probably after setting up PATH and who knows what else first). For (purely hypothetical) example,

#!/bin/sh

. /etc/rc.common

if [ "${MAIL_APP:=-NO-}" = "-YES-" ]; then
ConsoleMessage "Starting Mail.app"
/Applications/Mail.app/Contents/MacOS/Mail &
fi

There are doubtless many, many reasons the above script won't work. I suspect they have more to do with the way Mail is coded than with application packages in general.

- --
Craig S. Cottingham
email@hidden
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References: 
 >Re: Docklet(ing) API & 10.1: Where ???? (From: email@hidden)



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