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Code Issues Releases Wiki Activity

repo-add: move database rotation into its own function

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Signed-off-by: Allan McRae <allan@archlinux.org>
This commit is contained in:
Allan McRae 2015-01-23 15:58:04 +10:00
parent e7e0c13762
commit f3fc9af2b7
1 changed files with 37 additions and 30 deletions
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67
scripts/repo-add.sh.in
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@ -571,6 +571,42 @@ remove() {
fi fi
} }
rotate_db() {
filename=${REPO_DB_FILE##*/}
tempname=$dirname/.tmp.$filename
# hardlink or move the previous version of the database and signature to .old
# extension as a backup measure
if [[ -f $REPO_DB_FILE ]]; then
ln -f "$REPO_DB_FILE" "$REPO_DB_FILE.old" 2>/dev/null || \
mv -f "$REPO_DB_FILE" "$REPO_DB_FILE.old"
if [[ -f $REPO_DB_FILE.sig ]]; then
ln -f "$REPO_DB_FILE.sig" "$REPO_DB_FILE.old.sig" 2>/dev/null || \
mv -f "$REPO_DB_FILE.sig" "$REPO_DB_FILE.old.sig"
else
rm -f "$REPO_DB_FILE.old.sig"
fi
fi
# rotate the newly-created database and signature into place
mv "$tempname" "$REPO_DB_FILE"
if [[ -f $tempname.sig ]]; then
mv "$tempname.sig" "$REPO_DB_FILE.sig"
fi
dblink=${REPO_DB_FILE%.tar*}
rm -f "$dblink" "$dblink.sig"
ln -s "$filename" "$dblink" 2>/dev/null || \
ln "$filename" "$dblink" 2>/dev/null || \
cp "$REPO_DB_FILE" "$dblink"
if [[ -f "$REPO_DB_FILE.sig" ]]; then
ln -s "$filename.sig" "$dblink.sig" 2>/dev/null || \
ln "$filename.sig" "$dblink.sig" 2>/dev/null || \
cp "$REPO_DB_FILE.sig" "$dblink.sig"
fi
}
trap_exit() { trap_exit() {
# unhook all traps to avoid race conditions # unhook all traps to avoid race conditions
trap '' EXIT TERM HUP QUIT INT ERR trap '' EXIT TERM HUP QUIT INT ERR
@ -710,36 +746,7 @@ if (( success )); then
create_signature "$tempname" create_signature "$tempname"
# hardlink or move the previous version of the database and signature to .old rotate_db
# extension as a backup measure
if [[ -f $REPO_DB_FILE ]]; then
ln -f "$REPO_DB_FILE" "$REPO_DB_FILE.old" 2>/dev/null || \
mv -f "$REPO_DB_FILE" "$REPO_DB_FILE.old"
if [[ -f $REPO_DB_FILE.sig ]]; then
ln -f "$REPO_DB_FILE.sig" "$REPO_DB_FILE.old.sig" 2>/dev/null || \
mv -f "$REPO_DB_FILE.sig" "$REPO_DB_FILE.old.sig"
else
rm -f "$REPO_DB_FILE.old.sig"
fi
fi
# rotate the newly-created database and signature into place
mv "$tempname" "$REPO_DB_FILE"
if [[ -f $tempname.sig ]]; then
mv "$tempname.sig" "$REPO_DB_FILE.sig"
fi
dblink=${REPO_DB_FILE%.tar*}
rm -f "$dblink" "$dblink.sig"
ln -s "$filename" "$dblink" 2>/dev/null || \
ln "$filename" "$dblink" 2>/dev/null || \
cp "$REPO_DB_FILE" "$dblink"
if [[ -f "$REPO_DB_FILE.sig" ]]; then
ln -s "$filename.sig" "$dblink.sig" 2>/dev/null || \
ln "$filename.sig" "$dblink.sig" 2>/dev/null || \
cp "$REPO_DB_FILE.sig" "$dblink.sig"
fi
else else
msg "$(gettext "No packages modified, nothing to do.")" msg "$(gettext "No packages modified, nothing to do.")"
exit 1 exit 1