nix-env: Create ~/.nix-defexpr automatically

(cherry picked from commit c9159f86cc9a2fc07e2ab1217c2d8a8824123df4)
This commit is contained in:
Eelco Dolstra 2019-10-09 19:50:46 +02:00
parent f66108f738
commit 0fb4744467
No known key found for this signature in database
GPG key ID: 8170B4726D7198DE
3 changed files with 12 additions and 30 deletions

View file

@ -5,18 +5,6 @@ __ETC_PROFILE_NIX_SOURCED=1
export NIX_USER_PROFILE_DIR="@localstatedir@/nix/profiles/per-user/$USER" export NIX_USER_PROFILE_DIR="@localstatedir@/nix/profiles/per-user/$USER"
export NIX_PROFILES="@localstatedir@/nix/profiles/default $HOME/.nix-profile" export NIX_PROFILES="@localstatedir@/nix/profiles/default $HOME/.nix-profile"
if test -w $HOME; then
# Set up a default Nix expression from which to install stuff.
if [ ! -e $HOME/.nix-defexpr -o -L $HOME/.nix-defexpr ]; then
rm -f $HOME/.nix-defexpr
mkdir -p $HOME/.nix-defexpr
if [ "$USER" != root ]; then
ln -s @localstatedir@/nix/profiles/per-user/root/channels $HOME/.nix-defexpr/channels_root
fi
fi
fi
# Set $NIX_SSL_CERT_FILE so that Nixpkgs applications like curl work. # Set $NIX_SSL_CERT_FILE so that Nixpkgs applications like curl work.
if [ ! -z "${NIX_SSL_CERT_FILE:-}" ]; then if [ ! -z "${NIX_SSL_CERT_FILE:-}" ]; then
: # Allow users to override the NIX_SSL_CERT_FILE : # Allow users to override the NIX_SSL_CERT_FILE

View file

@ -7,17 +7,6 @@ if [ -n "$HOME" ] && [ -n "$USER" ]; then
NIX_USER_PROFILE_DIR=@localstatedir@/nix/profiles/per-user/$USER NIX_USER_PROFILE_DIR=@localstatedir@/nix/profiles/per-user/$USER
if [ -w "$HOME" ]; then
# Set up a default Nix expression from which to install stuff.
__nix_defexpr="$HOME"/.nix-defexpr
[ -L "$__nix_defexpr" ] && rm -f "$__nix_defexpr"
mkdir -m 0755 -p "$__nix_defexpr"
if [ "$USER" != root ] && [ ! -L "$__nix_defexpr"/channels_root ]; then
ln -s @localstatedir@/nix/profiles/per-user/root/channels "$__nix_defexpr"/channels_root
fi
unset __nix_defexpr
fi
# Append ~/.nix-defexpr/channels to $NIX_PATH so that <nixpkgs> # Append ~/.nix-defexpr/channels to $NIX_PATH so that <nixpkgs>
# paths work when the user has fetched the Nixpkgs channel. # paths work when the user has fetched the Nixpkgs channel.
export NIX_PATH=${NIX_PATH:+$NIX_PATH:}$HOME/.nix-defexpr/channels export NIX_PATH=${NIX_PATH:+$NIX_PATH:}$HOME/.nix-defexpr/channels

View file

@ -193,12 +193,6 @@ static void loadDerivations(EvalState & state, Path nixExprPath,
} }
static Path getDefNixExprPath()
{
return getHome() + "/.nix-defexpr";
}
static long getPriority(EvalState & state, DrvInfo & drv) static long getPriority(EvalState & state, DrvInfo & drv)
{ {
return drv.queryMetaInt("priority", 0); return drv.queryMetaInt("priority", 0);
@ -1330,9 +1324,20 @@ static int _main(int argc, char * * argv)
Globals globals; Globals globals;
globals.instSource.type = srcUnknown; globals.instSource.type = srcUnknown;
globals.instSource.nixExprPath = getDefNixExprPath(); globals.instSource.nixExprPath = getHome() + "/.nix-defexpr";
globals.instSource.systemFilter = "*"; globals.instSource.systemFilter = "*";
if (!pathExists(globals.instSource.nixExprPath)) {
createDirs(globals.instSource.nixExprPath);
replaceSymlink(
fmt("%s/profiles/per-user/%s/channels", settings.nixStateDir, getUserName()),
globals.instSource.nixExprPath + "/channels");
if (getuid() != 0)
replaceSymlink(
fmt("%s/profiles/per-user/root/channels", settings.nixStateDir),
globals.instSource.nixExprPath + "/channels_root");
}
globals.dryRun = false; globals.dryRun = false;
globals.preserveInstalled = false; globals.preserveInstalled = false;
globals.removeAll = false; globals.removeAll = false;