diff options
Diffstat (limited to 'scripts')
| -rwxr-xr-x | scripts/config | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/scripts/config b/scripts/config index 6582b200967c..32428ea909c2 100755 --- a/scripts/config +++ b/scripts/config @@ -71,35 +71,34 @@ txt_append() { local anchor="$1" local insert="$2" local infile="$3" - local tmpfile="$infile.swp" # sed append cmd: 'a\' + newline + text + newline cmd="$(printf "a\\%b$insert" "\n")" - sed -E -e "/$anchor/$cmd" "$infile" >"$tmpfile" - # replace original file with the edited one - mv "$tmpfile" "$infile" + # We don't really need a backup file, but in-place editing with backup + # skipped is not portable due to different implementations parsing + # arguments in incompatible manners. + # Create a backup file anyway to ensure portability. The file will be + # deleted on exit. + sed -E -i.swp -e "/$anchor/$cmd" "$infile" + SED_EDITED=1 } txt_subst() { local before="$1" local after="$2" local infile="$3" - local tmpfile="$infile.swp" - sed -E -e "s$SED_DELIM$before$SED_DELIM$after$SED_DELIM" "$infile" >"$tmpfile" - # replace original file with the edited one - mv "$tmpfile" "$infile" + sed -E -i.swp -e "s$SED_DELIM$before$SED_DELIM$after$SED_DELIM" "$infile" + SED_EDITED=1 } txt_delete() { local text="$1" local infile="$2" - local tmpfile="$infile.swp" - sed -E -e "/$text/d" "$infile" >"$tmpfile" - # replace original file with the edited one - mv "$tmpfile" "$infile" + sed -E -i.swp -e "/$text/d" "$infile" + SED_EDITED=1 } set_var() { @@ -122,6 +121,14 @@ undef_var() { txt_delete "^($name=|# $name is not set)" "$FN" } +SED_EDITED=0 +on_exit() { + if [ "$SED_EDITED" -ge 1 ]; then + rm -f "$FN.swp" + fi +} +trap on_exit EXIT + FN=.config CMDS=() while [[ $# -gt 0 ]]; do |