init scripts: revert environment before settings new one, on session loading #5036
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… revert it. Also some rework of writing scripts functions, factorise `if' statement writing, add precondition handling, etc.
rjbou
commented
Feb 2, 2022
rjbou
commented
Feb 2, 2022
| Printf.sprintf "%s\n%s" | ||
| (* XXX duplicated with variables.sh *) | ||
| (iif "! ${?OPAM_SWITCH_PREFIX}" {|setenv OPAM_SWITCH_PREFIX ""|}) | ||
| (iif {|"x$OPAM_SWITCH_PREFIX" != "x"|} |
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Same than bash safeguard, needed?
rjbou
commented
Feb 2, 2022
| (iif {|"x$OPAM_SWITCH_PREFIX" != "x"|} | ||
| "eval `opam env --revert --shell=csh --readonly`") | ||
| | SH_fish -> | ||
| iif {|test -n "$OPAM_SWITCH_PREFIX"|} |
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nox safeguard trick, is it needed?
rjbou
commented
Feb 2, 2022
AltGr
reviewed
Feb 3, 2022
| pad icond ithen (ielse_expr ielse) pad | ||
| | SH_zsh -> | ||
| Printf.sprintf "%sif [[ %s ]]; then\n %s%s%sfi" | ||
| pad icond ithen (ielse_expr ielse) pad |
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Why is the bash / zsh distinction needed here ? I thought both syntaxes existed in both, with [[ allowing more specific built-ins. [ should behave the same for zsh as for bash.
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Simply because I took if expression from if_interactive_script, and it set this sh/zsh difference
rjbou
commented
Feb 3, 2022
| # Prefix of the current opam switch | ||
| OPAM_SWITCH_PREFIX='${BASEDIR}/root/fake'; export OPAM_SWITCH_PREFIX; | ||
| # Current opam switch man dir | ||
| MANPATH="$MANPATH":'${BASEDIR}/root/fake/man'; export MANPATH; |
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too bad, we can't keep man in test, it's not present on some os
### cat root/opam-init/variables.sh
# Prefix of the current opam switch
OPAM_SWITCH_PREFIX='${BASEDIR}/root/fake'; export OPAM_SWITCH_PREFIX;
-# Current opam switch man dir
-MANPATH="$MANPATH":'${BASEDIR}/root/fake/man'; export MANPATH;
# Binary dir for opam switch fake
PATH='${BASEDIR}/root/fake/bin':"$PATH"; export PATH;
This was referenced Feb 16, 2024
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fix #4649 + add a test that display init scripts