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Trim trailing whitespace

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Otherwise `MANPAGER`'s trailing whitespace is escaped, which adds the next line of `export` as part of the command.

```bash
export MANPAGER=env\ BATMAN_IS_BEING_MANPAGER=yes\ bash\ /usr/local/bin/batman\
export MANROFFOPT=-c
```

and you get `cat: export: No such file or directory`
This commit is contained in:
Adrian Wilkins 2024-07-07 11:53:11 +01:00 committed by Ethan P.
parent 01c2f9bb94
commit 32706dd581
1 changed files with 4 additions and 3 deletions
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7
src/batman.sh
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@ -68,6 +68,7 @@ fi
# -----------------------------------------------------------------------------
if [[ -n "${MANPAGER}" ]]; then BAT_PAGER="$MANPAGER"; fi
export MANPAGER="env BATMAN_IS_BEING_MANPAGER=yes bash $(printf "%q " "$SELF" "${FORWARDED_ARGS[@]}")"
export MANPAGER="${MANPAGER%"${MANPAGER##*[![:space:]]}"}"
export MANROFFOPT='-c'
# If `--export-env`, print exports to use batman as the manpager directly.
@ -81,14 +82,14 @@ fi
# If no argument is provided and fzf is installed, use fzf to search for man pages.
if [[ "${#MAN_ARGS[@]}" -eq 0 ]] && [[ -z "$BATMAN_LEVEL" ]] && command -v "$EXECUTABLE_FZF" &>/dev/null; then
export BATMAN_LEVEL=1
selected_page="$(man -k . | "$EXECUTABLE_FZF" --delimiter=" - " --reverse -e --preview="
echo {1} \
| sed 's/, /\n/g;' \
| sed 's/\([^(]*\)(\([0-9A-Za-z ]\))/\2\t\1/g' \
| BAT_STYLE=plain xargs -n2 batman --color=always --paging=never
")"
if [[ -z "$selected_page" ]]; then
exit 0
fi
@ -100,7 +101,7 @@ if [[ "${#MAN_ARGS[@]}" -eq 0 ]] && [[ -z "$BATMAN_LEVEL" ]] && command -v "$EXE
#
# `man` only needs one name/title, so we're taking the first one here.
selected_page_unaliased="$(echo "$selected_page" | cut -d, -f1)"
# Convert the page(section) format to something that can be fed to the man command.
while read -r line; do
if [[ "$line" =~ ^(.*)\(([0-9a-zA-Z ]+)\) ]]; then