diff options
Diffstat (limited to 'lib/pure')
| -rw-r--r-- | lib/pure/os.nim | 58 |
1 files changed, 28 insertions, 30 deletions
diff --git a/lib/pure/os.nim b/lib/pure/os.nim index 4dd5c8d8b..213da2aed 100644 --- a/lib/pure/os.nim +++ b/lib/pure/os.nim @@ -320,17 +320,17 @@ else: template `!=?`(a, b: char): bool = toLowerAscii(a) != toLowerAscii(b) when doslikeFileSystem: - proc isAbsFromCurrentDrive(path: string): bool {.noSideEffect, raises: []} = + proc isAbsFromCurrentDrive(path: string): bool {.noSideEffect, raises: [].} = ## An absolute path from the root of the current drive (e.g. "\foo") path.len > 0 and (path[0] == AltSep or (path[0] == DirSep and (path.len == 1 or path[1] notin {DirSep, AltSep, ':'}))) - proc isUNCPrefix(path: string): bool {.noSideEffect, raises: []} = + proc isUNCPrefix(path: string): bool {.noSideEffect, raises: [].} = path[0] == DirSep and path[1] == DirSep - proc sameRoot(path1, path2: string): bool {.noSideEffect, raises: []} = + proc sameRoot(path1, path2: string): bool {.noSideEffect, raises: [].} = ## Return true if path1 and path2 have a same root. ## ## Detail of windows path formats: @@ -935,7 +935,7 @@ proc getConfigDir*(): string {.rtl, extern: "nos$1", proc getCacheDir*(): string = ## Returns the cache directory of the current user for applications. - ## + ## ## This makes use of the following environment variables: ## ## * On Windows: `getEnv("LOCALAPPDATA")` @@ -1038,7 +1038,7 @@ proc expandTilde*(path: string): string {. ## Expands ``~`` or a path starting with ``~/`` to a full path, replacing ## ``~`` with `getHomeDir() <#getHomeDir>`_ (otherwise returns ``path`` unmodified). ## - ## Windows: this is still supported despite Windows platform not having this + ## Windows: this is still supported despite the Windows platform not having this ## convention; also, both ``~/`` and ``~\`` are handled. ## ## .. warning:: `~bob` and `~bob/` are not yet handled correctly. @@ -1101,18 +1101,14 @@ proc quoteShellWindows*(s: string): string {.noSideEffect, rtl, extern: "nosp$1" proc quoteShellPosix*(s: string): string {.noSideEffect, rtl, extern: "nosp$1".} = ## Quote ``s``, so it can be safely passed to POSIX shell. - ## Based on Python's `pipes.quote`. const safeUnixChars = {'%', '+', '-', '.', '/', '_', ':', '=', '@', '0'..'9', 'A'..'Z', 'a'..'z'} if s.len == 0: - return "''" - - let safe = s.allCharsInSet(safeUnixChars) - - if safe: - return s + result = "''" + elif s.allCharsInSet(safeUnixChars): + result = s else: - return "'" & s.replace("'", "'\"'\"'") & "'" + result = "'" & s.replace("'", "'\"'\"'") & "'" when defined(windows) or defined(posix) or defined(nintendoswitch): proc quoteShell*(s: string): string {.noSideEffect, rtl, extern: "nosp$1".} = @@ -1122,9 +1118,9 @@ when defined(windows) or defined(posix) or defined(nintendoswitch): ## <#quoteShellWindows,string>`_. Otherwise, calls `quoteShellPosix proc ## <#quoteShellPosix,string>`_. when defined(windows): - return quoteShellWindows(s) + result = quoteShellWindows(s) else: - return quoteShellPosix(s) + result = quoteShellPosix(s) proc quoteShellCommand*(args: openArray[string]): string = ## Concatenates and quotes shell arguments `args`. @@ -1217,7 +1213,7 @@ proc dirExists*(dir: string): bool {.rtl, extern: "nos$1", tags: [ReadDirEffect] result = (a and FILE_ATTRIBUTE_DIRECTORY) != 0'i32 else: var res: Stat - return stat(dir, res) >= 0'i32 and S_ISDIR(res.st_mode) + result = stat(dir, res) >= 0'i32 and S_ISDIR(res.st_mode) proc symlinkExists*(link: string): bool {.rtl, extern: "nos$1", tags: [ReadDirEffect], @@ -1239,7 +1235,7 @@ proc symlinkExists*(link: string): bool {.rtl, extern: "nos$1", result = (a and FILE_ATTRIBUTE_REPARSE_POINT) != 0'i32 else: var res: Stat - return lstat(link, res) >= 0'i32 and S_ISLNK(res.st_mode) + result = lstat(link, res) >= 0'i32 and S_ISLNK(res.st_mode) when not defined(windows): @@ -1752,17 +1748,18 @@ proc isAdmin*: bool {.noWeirdTarget.} = addr administratorsGroup)): raiseOSError(osLastError(), "could not get SID for Administrators group") - defer: + try: + var b: WINBOOL + if not isSuccess(checkTokenMembership(0, administratorsGroup, addr b)): + raiseOSError(osLastError(), "could not check access token membership") + + result = isSuccess(b) + finally: if freeSid(administratorsGroup) != nil: raiseOSError(osLastError(), "failed to free SID for Administrators group") - var b: WINBOOL - if not isSuccess(checkTokenMembership(0, administratorsGroup, addr b)): - raiseOSError(osLastError(), "could not check access token membership") - - return isSuccess(b) else: - return geteuid() == 0 + result = geteuid() == 0 proc createSymlink*(src, dest: string) {.noWeirdTarget.} = ## Create a symbolic link at `dest` which points to the item specified @@ -1828,10 +1825,11 @@ when hasCCopyfile: COPYFILE_XATTR {.nodecl.}: copyfile_flags_t {.pop.} -type CopyFlag* = enum ## Copy options. - cfSymlinkAsIs, ## Copy symlinks as symlinks - cfSymlinkFollow, ## Copy the files symlinks point to - cfSymlinkIgnore ## Ignore symlinks +type + CopyFlag* = enum ## Copy options. + cfSymlinkAsIs, ## Copy symlinks as symlinks + cfSymlinkFollow, ## Copy the files symlinks point to + cfSymlinkIgnore ## Ignore symlinks const copyFlagSymlink = {cfSymlinkAsIs, cfSymlinkFollow, cfSymlinkIgnore} @@ -2027,7 +2025,7 @@ proc tryMoveFSObject(source, dest: string, isDir: bool): bool {.noWeirdTarget.} if not result: let err = osLastError() - let isAccessDeniedError = + let isAccessDeniedError = when defined(windows): const AccessDeniedError = OSErrorCode(5) isDir and err == AccessDeniedError @@ -2066,7 +2064,7 @@ proc moveFile*(source, dest: string) {.rtl, extern: "nos$1", except: discard tryRemoveFile(dest) raise - + proc exitStatusLikeShell*(status: cint): cint = ## Converts exit code from `c_system` into a shell exit code. |