[MacPorts] SummerOfCode modified

[MacPorts]

Page "SummerOfCode" was changed by neverpanic
Diff URL: <https://trac.macports.org/wiki/SummerOfCode?action=diff&version=273>
Revision 273
Comment: Add some more detail to the migration task
Changes:
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Index: SummerOfCode
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--- SummerOfCode (version: 272)
+++ SummerOfCode (version: 273)
@@ -105,7 +105,12 @@
 
 Currently when MacPorts users upgrade to a new OS or hardware they are advised to follow a set of manual [https://trac.macports.org/wiki/Migration migration instructions]. These instructions can be challenging for casual users to follow and in some cases more difficult if executed after the OS upgrade or hardware change.
 
-The goal of the new port migrate action is to automate the processes described in the migration documentation.
+The goal of the new port migrate action is to automate the processes described in the migration documentation. The steps to migrate would be roughly:
+
+1. Rebuild MacPorts itself (e.g. by invoking selfupdate) if it has not been rebuilt for the new OS already. MacPorts has a version field compiled in that allows tracking this.
+2. Store a copy of all installed ports with their variants so the same exact set can be re-installed.
+3. Deactivate all installed ports.
+4. Re-install all ports from the stored list of ports. Properly deal with interruptions and resuming so that failures during this procedure can be separately debugged and the migration re-attempted.
 
 * Difficulty: Medium
 * Languages: Tcl, SQL
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Page URL: <https://trac.macports.org/wiki/SummerOfCode>
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