Manual: Don't use a store path in our closure

http://hydra.nixos.org/build/3313227
This commit is contained in:
Eelco Dolstra 2012-11-09 16:30:15 +01:00
parent 88164325fa
commit 182e15b661
1 changed files with 14 additions and 15 deletions

View File

@ -273,11 +273,11 @@ is the hash part of <replaceable>p</replaceable>. Thus, if we have a
cache <uri>http://nixos.org/binary-cache</uri> and we want to obtain
the store path
<screen>
/nix/store/cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13
/nix/store/a8922c0h87iilxzzvwn2hmv8x210aqb9-glibc-2.7
</screen>
then Nix will attempt to fetch
<screen>
http://nixos.org/binary-cache/cj7a81wsm1ijwwpkks3725661h3263p5.narinfo
http://nixos.org/binary-cache/a8922c0h87iilxzzvwn2hmv8x210aqb9.narinfo
</screen>
(Commands such as <command>nix-env -qas</command> will issue an HTTP
HEAD request, since it only needs to know if the
@ -286,16 +286,15 @@ HEAD request, since it only needs to know if the
like this:
<screen>
StorePath: /nix/store/cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13
URL: nar/0k6335lpbcmdgncqwkcry4dxr2m6qs77zia51684ynjgc7n5xx21.nar.bz2
StorePath: /nix/store/a8922c0h87iilxzzvwn2hmv8x210aqb9-glibc-2.7
URL: nar/0zzjpdz46mdn74v09m053yczlz4am038g8r74iy8w43gx8801h70.nar.bz2
Compression: bzip2
FileHash: sha256:0k6335lpbcmdgncqwkcry4dxr2m6qs77zia51684ynjgc7n5xx21
FileSize: 10119014
NarHash: sha256:120mhshkcgvn48xvxz0fjbd47k615v0viv7jy4gy7dwhmqapgd9d
NarSize: 33702192
References: cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13 jfcs9xnfbmiwqs224sb0qqsybbfl3sab-linux-headers-2.6.35.14
Deriver: xs32zzf2d58f6l5iz5fgwxrds2q5pnvn-glibc-2.13.drv
System: x86_64-linux
FileHash: sha256:0zzjpdz46mdn74v09m053yczlz4am038g8r74iy8w43gx8801h70
FileSize: 24473768
NarHash: sha256:0s491y1h9hxj5ghiizlxk7ax6jwbha00zwn7lpyd5xg5bhf60vzg
NarSize: 109521136
References: 2ma2k0ys8knh4an48n28vigcmc2z8773-linux-headers-2.6.23.16 ...
Deriver: 7akyyc87ka32xwmqza9dvyg5pwx3j212-glibc-2.7.drv
</screen>
The fields are as follows:
@ -305,7 +304,7 @@ The fields are as follows:
<varlistentry><term><literal>StorePath</literal></term>
<listitem><para>The full store path, including the name part
(e.g., <literal>glibc-2.13</literal>). It must match the
(e.g., <literal>glibc-2.7</literal>). It must match the
requested store path.</para></listitem>
</varlistentry>
@ -380,11 +379,11 @@ The fields are as follows:
<para>Thus, in our example, after recursively ensuring that the
references exist (e.g.,
<filename>/nix/store/jfcs9xnfbmiwqs224sb0qqsybbfl3sab-linux-headers-2.6.35.14</filename>),
<filename>/nix/store/2ma2k0ys8knh4an48n28vigcmc2z8773-linux-headers-2.6.23.16</filename>),
Nix will fetch <screen>
http://nixos.org/binary-cache/nar/0k6335lpbcmdgncqwkcry4dxr2m6qs77zia51684ynjgc7n5xx21.nar.bz2
http://nixos.org/binary-cache/nar/0zzjpdz46mdn74v09m053yczlz4am038g8r74iy8w43gx8801h70.nar.bz2
</screen> and decompress and unpack it to
<filename>/nix/store/cj7a81wsm1ijwwpkks3725661h3263p5-glibc-2.13</filename>.</para>
<filename>/nix/store/a8922c0h87iilxzzvwn2hmv8x210aqb9-glibc-2.7</filename>.</para>
</refsection>