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batpipe: Fix parent process detection

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Less is called with a filename, and if we basename CMD of less we get
a basename of a filename, not a less executable. I think it's just
a type that basename was piped to cut, CMD should be cut'ed before
processed by basename.

As parent_executable is only used by batpipe, we can just cut CMD and
extract program name.
This commit is contained in:
ebugusey 2023-05-28 16:10:55 +04:00
parent 7aa73f8989
commit ed1bf88724
2 changed files with 6 additions and 3 deletions
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5
lib/proc.sh
View File

@ -11,7 +11,10 @@
# 1 -- The target pid. If not provided, the script's parent is used.
parent_executable() {
local target_pid="${1:-$PPID}"
ps -f -p "$target_pid" | tail -n 1 | awk '{for(i=8;i<=NF;i++) printf $i" "; printf "\n"}'
ps -f -p "$target_pid" \
| tail -n 1 \
| awk '{for(i=8;i<=NF;i++) printf $i" "; printf "\n"}' \
| cut -d' ' -f1
}
# Gets the PID of the parent executable file.

4
src/batpipe.sh
View File

@ -69,7 +69,7 @@ if [[ "$#" -eq 0 ]]; then
#
# This will directly check if the parent is fish, since there's a
# good chance that `bash` or `sh` will be invoking fish.
if [[ "$(basename -- "$(parent_executable | cut -f1 -d' ')")" == "fish" ]]; then
if [[ "$(basename -- "$(parent_executable)")" == "fish" ]]; then
detected_shell="fish"
else
detected_shell="$(parent_shell)"
@ -127,7 +127,7 @@ fi
BATPIPE_PARENT_EXECUTABLE_PID="$PPID"
for i in 1 2 3; do
BATPIPE_PARENT_EXECUTABLE="${BATPIPE_DEBUG_PARENT_EXECUTABLE:-$(parent_executable "$BATPIPE_PARENT_EXECUTABLE_PID")}"
BATPIPE_PARENT_EXECUTABLE_BASENAME="$(basename -- "${BATPIPE_PARENT_EXECUTABLE}" | cut -d' ' -f1)"
BATPIPE_PARENT_EXECUTABLE_BASENAME="$(basename -- "${BATPIPE_PARENT_EXECUTABLE}")"
BATPIPE_PARENT_EXECUTABLE_PID="$(parent_executable_pid "$BATPIPE_PARENT_EXECUTABLE_PID")"
if [[ "${BATPIPE_PARENT_EXECUTABLE_BASENAME}" = "less" ]]; then