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core: better change message in git save

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This rarely gets seen / looked at, but it can help make it easier
to understand what a user was doing when trying to restore dives
that were inadvertantly deleted.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2022-10-05 16:46:36 -07:00
parent cca21cf07f
commit c88d22462d
1 changed files with 20 additions and 2 deletions
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22
commands/command_base.cpp
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@ -86,11 +86,29 @@ QString getListOfDives(QVector<struct dive *> dives)
// return a string that can be used for the commit message and should list the changes that
// were made to the dive list
// keep in mind that the changes could have been a number of undo commands, so we might have
// to go backwards from the last one written; this isn't perfect as a user could undo a command
// and then do something else instead of redoing that undo - the undo information is then lost
// for the changelog -- but of course the git history will show what happened
QString changesMade()
{
static int nextToWrite = 0;
int curIdx = undoStack->index();
QString changeTexts;
for (int i = 0; i < undoStack->index(); i++)
changeTexts += undoStack->text(i) + "\n";
if (curIdx > nextToWrite) {
for (int i = nextToWrite; i < curIdx; i++)
changeTexts += undoStack->text(i) + "\n";
} else if (curIdx < nextToWrite) { // we walked back undoing things
for (int i = nextToWrite - 1; i >= curIdx; i--)
changeTexts += "(undo) " + undoStack->text(i) + "\n";
} else if (curIdx > 0) {
// so this means we undid something (or more than one thing) and then did something else
// so we lost the information of what was undone - and how many things were changed;
// just show the last change
changeTexts += undoStack->text(curIdx - 1) + "\n";
}
nextToWrite = curIdx;
return changeTexts;
}