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Merge pull request #4036 from chreekat/b/prefetch-executable

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nix-prefetch-url: Add --executable flag
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Eelco Dolstra 2020-09-21 12:25:46 +02:00 committed by GitHub
commit d93b373594
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2 changed files with 12 additions and 2 deletions
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3
doc/manual/src/command-ref/nix-prefetch-url.md
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@ -51,6 +51,9 @@ Nix store is also printed.
result to the Nix store. The resulting hash can be used with
functions such as Nixpkgs’s `fetchzip` or `fetchFromGitHub`.
- `--executable`
Set the executable bit on the downloaded file.
- `--name` *name*
Override the name of the file in the Nix store. By default, this is
`hash-basename`, where *basename* is the last component of *url*.

11
src/nix-prefetch-url/nix-prefetch-url.cc
View file

@ -57,6 +57,7 @@ static int _main(int argc, char * * argv)
bool fromExpr = false;
string attrPath;
bool unpack = false;
bool executable = false;
string name;
struct MyArgs : LegacyArgs, MixEvalArgs
@ -81,6 +82,8 @@ static int _main(int argc, char * * argv)
}
else if (*arg == "--unpack")
unpack = true;
else if (*arg == "--executable")
executable = true;
else if (*arg == "--name")
name = getArg(*arg, arg, end);
else if (*arg != "" && arg->at(0) == '-')
@ -175,7 +178,11 @@ static int _main(int argc, char * * argv)
/* Download the file. */
{
AutoCloseFD fd = open(tmpFile.c_str(), O_WRONLY | O_CREAT | O_EXCL, 0600);
auto mode = 0600;
if (executable)
mode = 0700;
AutoCloseFD fd = open(tmpFile.c_str(), O_WRONLY | O_CREAT | O_EXCL, mode);
if (!fd) throw SysError("creating temporary file '%s'", tmpFile);
FdSink sink(fd.get());
@ -201,7 +208,7 @@ static int _main(int argc, char * * argv)
tmpFile = unpacked;
}
const auto method = unpack ? FileIngestionMethod::Recursive : FileIngestionMethod::Flat;
const auto method = unpack || executable ? FileIngestionMethod::Recursive : FileIngestionMethod::Flat;
auto info = store->addToStoreSlow(name, tmpFile, method, ht, expectedHash);
storePath = info.path;