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Don't override default man search paths

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By appending a colon to MANPATH NIX_MAN_DIR gets prepended to the
final MANPATH before default search paths.
This makes man still consider default search paths, but prefers
NIX_MAN_DIR (if it exists).

It still makes sense to point NIX_MAN_DIR to a correct location
by moving man pages build from nix-manual.man to nix-cli.man, but
this should fix most common use-cases where nix is installed globally.

(cherry picked from commit 95f16a3275)
This commit is contained in:
Sergei Zimmerman 2025-02-18 13:01:39 +03:00 • committed by Mergify
parent adc0f67130
commit a004c84e85
1 changed files with 1 additions and 1 deletions
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2
src/nix/man-pages.cc
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@ -13,7 +13,7 @@ std::filesystem::path getNixManDir()
void showManPage(const std::string & name)
{
restoreProcessContext();
setEnv("MANPATH", getNixManDir().c_str());
setEnv("MANPATH", (getNixManDir().string() + ":").c_str());
execlp("man", "man", name.c_str(), nullptr);
if (errno == ENOENT) {
// Not SysError because we don't want to suffix the errno, aka No such file or directory.