[type/__mail_alias] Some fixes in continuation line processing

This commit is contained in:
Dennis Camera 2020-06-11 21:58:47 +02:00
parent 27102340de
commit c777a2b1c2
2 changed files with 27 additions and 23 deletions

View file

@ -17,13 +17,15 @@
# You should have received a copy of the GNU General Public License
# along with cdist. If not, see <http://www.gnu.org/licenses/>.
#
# Find aliases for a given name and print the aliases line separated
# Find aliases for a given user name and print the aliases (each one on a
# separate line)
aliases_file=$("${__type_explorer}/aliases_file")
test -r "${aliases_file}" || exit 0
awk -F ':[ \t]*' '
function print_aliases(aliases, matches) {
# prints comma-separated aliases (one per line)
split(aliases, matches, /,[ \t]*/)
for (i in matches) {
gsub(/^[ \t]*|[ \t]*$/, "", matches[i])
@ -37,15 +39,11 @@ function print_aliases(aliases, matches) {
next
}
/^[ \t]/ || cont {
# continuation line (either the previous line ended in a backslash or the
# line starts with whitespace)
if (select)
print_aliases($0)
}
{
# is this line a continuation line?
# (the prev. line ended in a backslash or the line starts with whitespace)
is_cont = /^[ \t]/ || cont
# detect if the line is a line to be continued (ends with a backslash)
cont = ($0 ~ /\\$/)
@ -57,9 +55,14 @@ function print_aliases(aliases, matches) {
}
}
$1 == ENVIRON["__object_id"] && !select {
is_cont {
# if in the alias list of the "target" user, we also print these aliases.
if (select) print_aliases($0)
next
}
$1 == ENVIRON["__object_id"] {
# "target" user -> print alias list
# (only if !select; because of whitespacecontinuation lines)
select = 1
print_aliases($2)
next

View file

@ -69,7 +69,7 @@ test -f "${aliases_file}" || touch "${aliases_file}"
awk -F ':[ \t]*' -v mode=$mode '
function sepafter(f, default, _) {
# finds the separator between field $f and $(f+1)
_ = substr($0, length($f) + 1, index(substr($0, length($f)+1), $(f+1)) - 1)
_ = substr($0, length($f)+1, index(substr($0, length($f)+1), $(f+1))-1)
return _ ? _ : default
}
@ -91,29 +91,30 @@ BEGIN {
aliases_should_file = (ENVIRON["__object"] "/parameter/alias")
}
/^#/ {
/^[ \t]*\#/ {
# comment line (leave alone)
select = 0; cont = 0 # comments terminate alias lists and continuations
print
next
}
/^[ \t]/ || cont {
# continuation line (either the previous line ended in a backslash or the
# line starts with whitespace)
# if in the alias list of the "target" user, we drop the line as it has been
# rewritten previously
if (select) next
}
{
# is this line a continuation line?
# (the prev. line ended in a backslash or the line starts with whitespace)
is_cont = /^[ \t]/ || cont
# detect if the line is a line to be continued (ends with a backslash)
cont = ($0 ~ /\\$/)
# if it is, we drop the backslash from the line.
if (cont) sub(/[ \t]*\\$/, "", $0)
}
is_cont {
# we ignore the line as it has been rewritten previously or is not
# interesting
next
}
$1 == ENVIRON["__object_id"] {
# "target" user -> rewrite aliases list
select = 1
@ -139,7 +140,7 @@ END {
if ! cmp -s "${aliases_file}" "${aliases_file}.tmp"
then
# aliases file was modified, replace and run `newaliases`
# aliases file was modified, replace and run `newaliases`.
mv "${aliases_file}.tmp" "${aliases_file}"
newaliases
else