80098d29c6
Now:
10:57:41.737665 initramfs-extra completed in: 0.33s
...
10:57:42.008587 boot-deploy completed in: 0.27s
10:57:42.012973 mkinitfs completed in: 0.90s
Times is just truncated, not rounding, since it's simpler (no dependency
on the math module), and I'm not sure if anyone cares for what this
function prints. If there is a desire to return to higher precision
later, it could be enabled by a new flag.
fixes https://gitlab.com/postmarketOS/postmarketos-mkinitfs/-/issues/25
66 lines
1.6 KiB
Go
66 lines
1.6 KiB
Go
// Copyright 2022 Clayton Craft <clayton@craftyguy.net>
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// SPDX-License-Identifier: GPL-3.0-or-later
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package misc
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import (
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"errors"
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"log"
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"os"
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"time"
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)
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// Merge the contents of "b" into "a", overwriting any previously existing keys
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// in "a"
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func Merge(a map[string]string, b map[string]string) {
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for k, v := range b {
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a[k] = v
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}
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}
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// Removes duplicate entries from the given string slice and returns a slice
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// with the unique values
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func RemoveDuplicates(in []string) (out []string) {
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// use a map to "remove" duplicates. the value in the map is totally
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// irrelevant
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outMap := make(map[string]bool)
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for _, s := range in {
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if ok := outMap[s]; !ok {
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outMap[s] = true
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}
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}
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out = make([]string, 0, len(outMap))
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for k := range outMap {
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out = append(out, k)
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}
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return
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}
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// Prints the execution time of a function, not meant to be very
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// sensitive/accurate, but good enough to gauge rough run times.
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// Meant to be called as:
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//
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// defer misc.TimeFunc(time.Now(), "foo")
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func TimeFunc(start time.Time, name string) {
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elapsed := time.Since(start)
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log.Printf("%s completed in: %.2fs", name, elapsed.Seconds())
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}
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// Exists tests if the given file/dir exists or not. Returns any errors related
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// to os.Stat if the type is *not* ErrNotExist. If an error is returned, then
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// the value of the returned boolean cannot be trusted.
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func Exists(file string) (bool, error) {
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_, err := os.Stat(file)
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if err == nil {
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return true, nil
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} else if errors.Is(err, os.ErrNotExist) {
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// Don't return the error, the file doesn't exist which is OK
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return false, nil
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}
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// Other errors from os.Stat returned here
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return false, err
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}
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