Hello Florian, "pelzflorian (Florian Pelz)" <[email protected]> skribis:
> The manual says that TMPDIR does not leak into the build environment: > >> You can influence the directory where the daemon stores build trees >> via the ‘TMPDIR’ environment variable. However, the build tree within >> the chroot is always called ‘/tmp/guix-build-NAME.drv-0’, where NAME is >> the derivation name—e.g., ‘coreutils-8.24’. This way, the value of >> ‘TMPDIR’ does not leak inside build environments, which avoids >> discrepancies in cases where build processes capture the name of their >> build tree. > > > However, later it says: > >> When the daemon performs a build on behalf of the user, it creates a >> build directory under ‘/tmp’ or under the directory specified by its >> ‘TMPDIR’ environment variable; this directory is shared with the >> container for the duration of the build. Be aware that using a >> directory other than ‘/tmp’ can affect build results—for example, with a >> longer directory name, a build process that uses Unix-domain sockets >> might hit the name length limitation for ‘sun_path’, which it would >> otherwise not hit. > > > This seems like a contradiction, or do I misunderstand? Indeed. The sentences that starts with “Be aware” is inaccurate; I’ll remove it. Thank you! Ludo’.
