utils-code/tj.git-extras
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git-sed: escape special characters for tr

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Some special patterns like `n-l`, `[:alpha:]` need to be escaped to avoid
confusing tr.
This commit is contained in:
spacewander 2019-12-16 22:19:30 +08:00
parent 69e96cba95
commit 4d5b53aea2
1 changed files with 3 additions and 1 deletions
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4
bin/git-sed
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@ -70,7 +70,9 @@ all="$search$replacement$flags"
case "$all" in
*/*)
ascii="$(for((i=32;i<=127;i++)) do printf '%b' "\\$(printf '%03o' "$i")"; done)"
sep="$(printf '%s' "$ascii" | tr -d "$all")"
escaped="${all//-/\\-}"
escaped="${escaped//[/\\[}"
sep="$(printf '%s' "$ascii" | tr -d "$escaped")"
sep="$(printf %.1s "$sep")"
if [ "X$sep" = "X" ] ; then
echo 'could not find an unused character for sed separator character'