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* Implemented Eelco V.'s `-p' command to switch profiles. It switches

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the symlink ~/.nix-userenv to the given argument (which defaults to
  .../links/current).  /etc/profile.d/nix-profile creates this symlink
  if it doesn't exist yet.  Example use:

  $ nix-env -l my_profile -i foo.nix subversion quake
  $ nix-env -p my_profile

  I don't like the term "profile".  Let's deprecate it :-)
This commit is contained in:
Eelco Dolstra 2004-01-05 11:18:59 +00:00
parent 0e68af0ce3
commit f83c5e3e5f
3 changed files with 33 additions and 18 deletions
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27
scripts/nix-profile.sh.in
View file

@ -1,20 +1,11 @@
#if test -z "$NIX_SET"; then if test -n "$HOME"; then
NIX_LINK="$HOME/.nix-userenv"
# export NIX_SET=1 if ! test -a "$NIX_LINK"; then
echo "creating $NIX_LINK"
_NIX_DEF_LINK=@localstatedir@/nix/links/current
ln -s "$_NIX_DEF_LINK" "$NIX_LINK"
fi
NIX_LINKS=@localstatedir@/nix/links/current export PATH=$NIX_LINK/bin:@prefix@/bin:$PATH
fi
export PATH=$NIX_LINKS/bin:@prefix@/bin:$PATH
# export LD_LIBRARY_PATH=$NIX_LINKS/lib:$LD_LIBRARY_PATH
export LIBRARY_PATH=$NIX_LINKS/lib:$LIBRARY_PATH
export C_INCLUDE_PATH=$NIX_LINKS/include:$C_INCLUDE_PATH
export CPLUS_INCLUDE_PATH=$NIX_LINKS/include:$CPLUS_INCLUDE_PATH
export PKG_CONFIG_PATH=$NIX_LINKS/lib/pkgconfig:$PKG_CONFIG_PATH
# export MANPATH=$NIX_LINKS/man:$MANPATH
#fi

2
src/nix-env/help.txt
View file

@ -12,6 +12,8 @@ Operations:
The previous operations take a list of derivation names. The special The previous operations take a list of derivation names. The special
name `*' may be used to indicate all derivations. name `*' may be used to indicate all derivations.
--profile / -p [FILE]: switch to specified user environment
--version: output version information --version: output version information
--help: display help --help: display help

22
src/nix-env/main.cc
View file

@ -605,6 +605,26 @@ static void opQuery(Globals & globals,
} }
static void opSwitchProfile(Globals & globals,
Strings opFlags, Strings opArgs)
{
if (opFlags.size() > 0)
throw UsageError(format("unknown flags `%1%'") % opFlags.front());
if (opArgs.size() > 1)
throw UsageError(format("--profile takes at most one argument"));
string linkPath =
opArgs.size() == 0 ? globals.linkPath : opArgs.front();
string homeDir(getenv("HOME"));
if (homeDir == "") throw Error("HOME environment variable not set");
string linkPathFinal = homeDir + "/.nix-userenv";
switchLink(linkPathFinal, linkPath);
}
void run(Strings args) void run(Strings args)
{ {
/* Use a higher default verbosity (lvlInfo). */ /* Use a higher default verbosity (lvlInfo). */
@ -635,6 +655,8 @@ void run(Strings args)
format("`%1%' requires an argument") % arg); format("`%1%' requires an argument") % arg);
globals.linkPath = absPath(*i); globals.linkPath = absPath(*i);
} }
else if (arg == "--profile" || arg == "-p")
op = opSwitchProfile;
else if (arg[0] == '-') else if (arg[0] == '-')
opFlags.push_back(arg); opFlags.push_back(arg);
else else