From: ekardnam <[email protected]>

Reference bug in the bug tracker is at #FS17752

Signed-off-by: Luca Bertozzi <[email protected]>
---
 scripts/repo-add.sh.in | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/scripts/repo-add.sh.in b/scripts/repo-add.sh.in
index 57413df5..e2eb06e3 100644
--- a/scripts/repo-add.sh.in
+++ b/scripts/repo-add.sh.in
@@ -42,6 +42,7 @@ REPO_DB_SUFFIX=
 LOCKFILE=
 CLEAN_LOCK=0
 USE_COLOR='y'
+PREVENT_DOWNGRADE=0
 
 # Import libmakepkg
 source "$LIBRARY"/util/message.sh
@@ -63,6 +64,8 @@ Multiple packages to add can be specified on the command 
line.\n")"
                printf -- "$(gettext "Options:\n")"
                printf -- "$(gettext "  -n, --new         only add packages 
that are not already in the database\n")"
                printf -- "$(gettext "  -R, --remove      remove old package 
file from disk after updating database\n")"
+               printf -- "$(gettext "  -p, --prevent-downgrade  do not add 
package to database if a newer version is already present\n")"
+               printf -- "$(gettext "  --no-timestamp    do not add a 
timestamp to the repository")"
        elif [[ $cmd == "repo-remove" ]] ; then
                printf -- "$(gettext "Usage: repo-remove [options] <path-to-db> 
<packagename> ...\n")"
                printf -- "\n"
@@ -248,9 +251,17 @@ db_write_entry() {
                        return 0
                fi
        else
-               if (( RMEXISTING )); then
-                       pkgentry=$(find_pkgentry "$pkgname")
-                       if [[ -n $pkgentry ]]; then
+               pkgentry=$(find_pkgentry "$pkgname")
+               if [[ -n $pkgentry ]]; then
+
+                       local version=$(sed -n '/^%VERSION%$/ {n;p;q}' 
"$pkgentry/desc")
+                       if (( $(vercmp "$version" "$pkgver") > 0 )); then
+                               warning "$(gettext "A newer version for '%s' is 
already present in database")" "$pkgname"
+                               if (( PREVENT_DOWNGRADE )); then
+                                       return 0
+                               fi
+                       fi
+                       if (( RMEXISTING )); then
                                local oldfilename="$(sed -n '/^%FILENAME%$/ 
{n;p;q;}' "$pkgentry/desc")"
                                local oldfile="$(dirname "$1")/$oldfilename"
                        fi
@@ -464,7 +475,7 @@ remove() {
                error "$(gettext "Package matching '%s' not found.")" "$pkgname"
                return 1
        fi
-       
+
        return 0
 }
 
@@ -618,6 +629,9 @@ while (( $# )); do
                -v|--verify)
                        VERIFY=1
                        ;;
+               -p|--prevent-downgrade)
+                       PREVENT_DOWNGRADE=1
+                       ;;
                *)
                        args+=("$1")
                        ;;
-- 
2.21.0

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