add comments, add -u to diff

This commit is contained in:
ander 2021-09-16 21:36:39 +03:00
parent cd4acde67e
commit 72ff48154c
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GPG key ID: 0A2971E562D618F3

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@ -14,6 +14,8 @@ then
script="$( cat "$__object/stdin" )"
fi
# since stdin is not available in explorer, we pull file from target with explorer
file_from_target="$__object/explorer/file"
sed_cmd='sed'
@ -23,10 +25,10 @@ then
sed_cmd="$sed_cmd -E"
fi
if echo "$script" \
| "$sed_cmd" -f - "$file_from_target" \
| diff "$file_from_target" - \
> /dev/null
# do sed dry run, diff result and if no change, then there's nothing to do
# also redirect diff's output to stderr for debugging purposes
if echo "$script" | "$sed_cmd" -f - "$file_from_target" | diff -u "$file_from_target" - >&2
then
exit 0
fi