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os: add overload copyFile*(source, dest: string, isDir = false) (#15537)

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* os: add overload copyFile*(source, dest: string, isDir = false)
* renamed to copyFileToDir
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Timothee Cour 2020-10-11 11:43:01 -07:00 • committed by GitHub
commit 3eac9b2344
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3 changed files with 27 additions and 1 deletions
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8
lib/pure/os.nim
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@ -1682,7 +1682,7 @@ proc setFilePermissions*(filename: string, permissions: set[FilePermission]) {.
proc copyFile*(source, dest: string) {.rtl, extern: "nos$1",
tags: [ReadIOEffect, WriteIOEffect], noWeirdTarget.} =
## Copies a file from `source` to `dest`.
## Copies a file from `source` to `dest`, where `dest.parentDir` must exist.
##
## If this fails, `OSError` is raised.
##
@ -1738,6 +1738,12 @@ proc copyFile*(source, dest: string) {.rtl, extern: "nos$1",
flushFile(d)
close(d)
proc copyFileToDir*(source, dir: string) {.noWeirdTarget, since: (1,3,7).} =
## Copies a file `source` into directory `dir`, which must exist.
if dir.len == 0: # treating "" as "." is error prone
raise newException(ValueError, "dest is empty")
copyFile(source, dir / source.lastPathPart)
when not declared(ENOENT) and not defined(Windows):
when NoFakeVars:
when not defined(haiku):