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forget: Error when invalid unit is given in duration policy

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This commit is contained in:
Leo R. Lundgren 2022-08-10 00:38:53 +02:00
parent f0bb4f8708
commit 6f517858e8
3 changed files with 25 additions and 11 deletions
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8
changelog/unreleased/issue-3861 Normal file
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@ -0,0 +1,8 @@
Bugfix: Yield error on invalid policy to `forget`
The `forget` command previously silently ignored invalid/unsupported
units in the duration options, such as e.g. `--keep-within-daily 2w`.
Specifying an invalid/unsupported duration unit now results in an error.
https://github.com/restic/restic/issues/3861

2
internal/restic/duration.go
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@ -106,6 +106,8 @@ func ParseDuration(s string) (Duration, error) {
d.Days = num
case 'h':
d.Hours = num
default:
return Duration{}, errors.Errorf("invalid unit %q found after number %d", s[0], num)
}
s = s[1:]

26
internal/restic/duration_test.go
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@ -63,23 +63,27 @@ func TestParseDuration(t *testing.T) {
input string
d Duration
output string
err bool
}{
{"9h", Duration{Hours: 9}, "9h"},
{"3d", Duration{Days: 3}, "3d"},
{"4d2h", Duration{Days: 4, Hours: 2}, "4d2h"},
{"7m5d", Duration{Months: 7, Days: 5}, "7m5d"},
{"6m4d8h", Duration{Months: 6, Days: 4, Hours: 8}, "6m4d8h"},
{"5d7m", Duration{Months: 7, Days: 5}, "7m5d"},
{"4h3d9m", Duration{Months: 9, Days: 3, Hours: 4}, "9m3d4h"},
{"-7m5d", Duration{Months: -7, Days: 5}, "-7m5d"},
{"1y4m-5d-3h", Duration{Years: 1, Months: 4, Days: -5, Hours: -3}, "1y4m-5d-3h"},
{"2y7m-5d", Duration{Years: 2, Months: 7, Days: -5}, "2y7m-5d"},
{input: "9h", d: Duration{Hours: 9}, output: "9h"},
{input: "3d", d: Duration{Days: 3}, output: "3d"},
{input: "4d2h", d: Duration{Days: 4, Hours: 2}, output: "4d2h"},
{input: "7m5d", d: Duration{Months: 7, Days: 5}, output: "7m5d"},
{input: "6m4d8h", d: Duration{Months: 6, Days: 4, Hours: 8}, output: "6m4d8h"},
{input: "5d7m", d: Duration{Months: 7, Days: 5}, output: "7m5d"},
{input: "4h3d9m", d: Duration{Months: 9, Days: 3, Hours: 4}, output: "9m3d4h"},
{input: "-7m5d", d: Duration{Months: -7, Days: 5}, output: "-7m5d"},
{input: "1y4m-5d-3h", d: Duration{Years: 1, Months: 4, Days: -5, Hours: -3}, output: "1y4m-5d-3h"},
{input: "2y7m-5d", d: Duration{Years: 2, Months: 7, Days: -5}, output: "2y7m-5d"},
{input: "2w", err: true},
{input: "1y4m3w1d", err: true},
{input: "s", err: true},
}
for _, test := range tests {
t.Run("", func(t *testing.T) {
d, err := ParseDuration(test.input)
if err != nil {
if err != nil && !test.err {
t.Fatal(err)
}