package: return from shellHook correctly
If our shellHook is being run from a nested nix-shell (see 7a12bc200¹),
then (I think) it is run from a bash function due to the nesting, then
`return` is correct. If its `eval`'d though, then there isn't really a
correct way to early exit. So we can just unconditionally be executed in
a function.
Basically, we have IIFE at home.
[1]: 7a12bc2007
Change-Id: Iacad25cbbf66cde2911604e6061e56ad6212af7e
This commit is contained in:
parent
68937f2b64
commit
eac3546d50
1 changed files with 26 additions and 22 deletions
48
package.nix
48
package.nix
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@ -441,32 +441,36 @@ stdenv.mkDerivation (finalAttrs: {
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shellHook = ''
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# don't re-run the hook in (other) nested nix-shells
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if [[ $name != lix-shell-env ]]; then
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return;
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fi
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function lixShellHook() {
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if [[ $name != lix-shell-env ]]; then
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return;
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fi
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PATH=$prefix/bin:$PATH
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unset PYTHONPATH
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export MANPATH=$out/share/man:$MANPATH
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PATH=$prefix/bin:$PATH
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unset PYTHONPATH
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export MANPATH=$out/share/man:$MANPATH
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# Make bash completion work.
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XDG_DATA_DIRS+=:$out/share
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# Make bash completion work.
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XDG_DATA_DIRS+=:$out/share
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${lib.optionalString (pre-commit-checks ? shellHook) pre-commit-checks.shellHook}
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# Allow `touch .nocontribmsg` to turn this notice off.
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if ! [[ -f .nocontribmsg ]]; then
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cat ${contribNotice}
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fi
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${lib.optionalString (pre-commit-checks ? shellHook) pre-commit-checks.shellHook}
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# Allow `touch .nocontribmsg` to turn this notice off.
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if ! [[ -f .nocontribmsg ]]; then
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cat ${contribNotice}
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fi
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# Install the Gerrit commit-msg hook.
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# (git common dir is the main .git, including for worktrees)
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if gitcommondir=$(git rev-parse --git-common-dir 2>/dev/null) && [[ ! -f "$gitcommondir/hooks/commit-msg" ]]; then
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echo 'Installing Gerrit commit-msg hook (adds Change-Id to commit messages)' >&2
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mkdir -p "$gitcommondir/hooks"
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curl -s -Lo "$gitcommondir/hooks/commit-msg" https://gerrit.lix.systems/tools/hooks/commit-msg
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chmod u+x "$gitcommondir/hooks/commit-msg"
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fi
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unset gitcommondir
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# Install the Gerrit commit-msg hook.
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# (git common dir is the main .git, including for worktrees)
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if gitcommondir=$(git rev-parse --git-common-dir 2>/dev/null) && [[ ! -f "$gitcommondir/hooks/commit-msg" ]]; then
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echo 'Installing Gerrit commit-msg hook (adds Change-Id to commit messages)' >&2
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mkdir -p "$gitcommondir/hooks"
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curl -s -Lo "$gitcommondir/hooks/commit-msg" https://gerrit.lix.systems/tools/hooks/commit-msg
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chmod u+x "$gitcommondir/hooks/commit-msg"
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fi
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unset gitcommondir
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}
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lixShellHook
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'';
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}
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);
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