1 | #!/bin/sh
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2 |
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3 | # PRE-UNLOCK HOOK
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4 | #
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5 | # The pre-unlock hook is invoked before an exclusive lock is
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6 | # destroyed. Subversion runs this hook by invoking a program
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7 | # (script, executable, binary, etc.) named 'pre-unlock' (for which
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8 | # this file is a template), with the following ordered arguments:
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9 | #
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10 | # [1] REPOS-PATH (the path to this repository)
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11 | # [2] PATH (the path in the repository about to be unlocked)
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12 | # [3] USER (the user destroying the lock)
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13 | # [4] TOKEN (the lock token to be destroyed)
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14 | # [5] BREAK-UNLOCK (1 if the user is breaking the lock, else 0)
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15 | #
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16 | # The default working directory for the invocation is undefined, so
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17 | # the program should set one explicitly if it cares.
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18 | #
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19 | # If the hook program exits with success, the lock is destroyed; but
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20 | # if it exits with failure (non-zero), the unlock action is aborted
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21 | # and STDERR is returned to the client.
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22 |
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23 | # On a Unix system, the normal procedure is to have 'pre-unlock'
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24 | # invoke other programs to do the real work, though it may do the
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25 | # work itself too.
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26 | #
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27 | # Note that 'pre-unlock' must be executable by the user(s) who will
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28 | # invoke it (typically the user httpd runs as), and that user must
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29 | # have filesystem-level permission to access the repository.
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30 | #
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31 | # On a Windows system, you should name the hook program
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32 | # 'pre-unlock.bat' or 'pre-unlock.exe',
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33 | # but the basic idea is the same.
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34 | #
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35 | # Here is an example hook script, for a Unix /bin/sh interpreter:
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36 |
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37 | REPOS="$1"
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38 | PATH="$2"
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39 | USER="$3"
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40 |
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41 | # If a lock is owned by a different person, don't allow it be broken.
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42 | # (Maybe this script could send email to the lock owner?)
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43 |
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44 | SVNLOOK=/usr/local/bin/svnlook
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45 | GREP=/bin/grep
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46 | SED=/bin/sed
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47 |
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48 | LOCK_OWNER=`$SVNLOOK lock "$REPOS" "$PATH" | \
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49 | $GREP '^Owner: ' | $SED 's/Owner: //'`
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50 |
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51 | # If we get no result from svnlook, there's no lock, return success:
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52 | if [ "$LOCK_OWNER" = "" ]; then
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53 | exit 0
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54 | fi
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55 |
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56 | # If the person unlocking matches the lock's owner, return success:
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57 | if [ "$LOCK_OWNER" = "$USER" ]; then
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58 | exit 0
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59 | fi
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60 |
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61 | # Otherwise, we've got an owner mismatch, so return failure:
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62 | echo "Error: $PATH locked by ${LOCK_OWNER}." 1>&2
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63 | exit 1
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