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Throw on unexpected input for --delete-older-than

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'--delete-older-than 10' deletes the generations older than a single day, and '--delete-older-than 12m' deletes all generations older than 12 days.

This changes makes it throw on those invalid inputs, and gives an example of a valid input.
This commit is contained in:
Niels Egberts 2021-07-11 11:15:06 +01:00
parent 86fb01c4be
commit 2cf14db857
1 changed files with 3 additions and 0 deletions
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3
src/libstore/profiles.cc
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@ -211,6 +211,9 @@ void deleteGenerationsOlderThan(const Path & profile, time_t t, bool dryRun)
void deleteGenerationsOlderThan(const Path & profile, const string & timeSpec, bool dryRun)
{
if (timeSpec.empty() || timeSpec[timeSpec.size() - 1] != 'd')
throw Error("invalid number of days specifier '%1%', expected something like '14d'", timeSpec);
time_t curTime = time(0);
string strDays = string(timeSpec, 0, timeSpec.size() - 1);
auto days = string2Int<int>(strDays);