September 2008
Intermediate to advanced
432 pages
13h 57m
English
book
Version Control with Subversion, 2nd Edition
by C. Michael Pilato, Ben Collins-Sussman, Brian W. Fitzpatrick
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Name
pre-revprop-change — Notification of a revision property change attempt.
Description
The pre-revprop-change hook is run immediately
prior to the modification of a revision property when performed
outside the scope of a normal commit. Unlike the other hooks, the
default state of this one is to deny the proposed action. The hook
must actually exist and return a zero exit value before a revision
property modification can happen.
If the pre-revprop-change
hook doesn’t exist, isn’t executable, or returns a nonzero exit value,
no change to the property will be made, and anything printed to
stderr is marshaled back to the
client.
Input parameter(s)
The command-line arguments passed to the hook program, in order, are:
Repository path
Revision whose property is about to be modified
Authenticated username attempting the property change
Name of the property changed
Change description:
A(added),D(deleted), orM(modified)
Additionally, Subversion passes the intended new value of the property to the hook program via standard input.
Common uses
Access control; change validation and control.
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