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[Fix] prevent sed errors when pattern contains #

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When `.nvmrc` or alias files contained comments (lines with `#`),
the `#` character could end up in the search pattern passed to sed,
causing "unterminated regular expression" errors because `#` is
used as the sed address delimiter.

This commit fixes the issue in two places:
1. `nvm_alias`: Strip comments from alias file contents before
   returning them, and trim trailing whitespace
2. `nvm_ls`: Escape `#` characters in SEARCH_PATTERN so they're
   treated as literal characters in the sed address

Fixes #3761
This commit is contained in:
Jordan Harband
2026-01-19 22:58:43 -08:00
parent 34d6d5d6fe
commit 26066c10f4
3 changed files with 58 additions and 2 deletions
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33
test/fast/Unit tests/nvm_alias handles comments Executable file
View File

@@ -0,0 +1,33 @@
#!/bin/sh
die () { echo "$@" ; cleanup ; exit 1; }
cleanup () {
rm -rf ../../../alias/test-comment
rm -rf ../../../alias/test-inline-comment
rm -rf ../../../alias/test-comment-first
}
\. ../../../nvm.sh
# Test: alias file with comment on separate line
echo "v0.10
# this is a comment" > ../../../alias/test-comment
OUTPUT="$(nvm_alias test-comment)"
EXPECTED_OUTPUT="v0.10"
[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "'nvm_alias test-comment' should ignore comment line; expected '$EXPECTED_OUTPUT', got '$OUTPUT'"
# Test: alias file with inline comment
echo "v0.11 # inline comment" > ../../../alias/test-inline-comment
OUTPUT="$(nvm_alias test-inline-comment)"
EXPECTED_OUTPUT="v0.11"
[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "'nvm_alias test-inline-comment' should strip inline comment; expected '$EXPECTED_OUTPUT', got '$OUTPUT'"
# Test: alias file with comment as first line
echo "# comment first
v0.12" > ../../../alias/test-comment-first
OUTPUT="$(nvm_alias test-comment-first)"
EXPECTED_OUTPUT="v0.12"
[ "_$OUTPUT" = "_$EXPECTED_OUTPUT" ] || die "'nvm_alias test-comment-first' should skip comment-only first line; expected '$EXPECTED_OUTPUT', got '$OUTPUT'"
cleanup