new logic

.scripts/fuzzy_diff

@@ -11,7 +11,7 @@ _usage() {
 
 LAUNCH_EDIT=1
 if [ $# -eq 2 ]; then
-    if [ "$1" -eq "-n" ] || [ "$1" -eq "--no-edit" ]; then
+    if [ "$1" = "-n" ] || [ "$1" = "--no-edit" ]; then
         LAUNCH_EDIT=0
     else
         _usage
@@ -43,22 +43,29 @@ fi
 
 PO_FILE=$1
 
-# search for revs where fuzzy was added or suppressed
-# and filter where commit message contains 'merge'
-FUZZY_REVS=$(git log --oneline -S '#, fuzzy' ${PO_FILE} | \
-             grep -i 'merge' | \
-             awk '{ print $1 }')
-
 if [ ${LAUNCH_EDIT} -eq 1 ]; then
     ${PO_EDITOR} "${PO_FILE}" 2>/dev/null &
 fi
 
-for sha in ${FUZZY_REVS} ; do
+while read line ; do
+    epoch=${line:0:10}
+    sha=${line:11:9}
+    author=${line:23}
+    echo "Comparing with: "$(date --date=@${epoch})" - ${author}"
     # filter files à la mode textconv
-    git show ${sha}:${PO_FILE} | grep -v -e '^#:' -e '^"PO' > ${TMP_DIR}/right.po
-    git show ${sha}^:${PO_FILE} | grep -v -e '^#:' -e '^"PO' > ${TMP_DIR}/left.po
-    "${DIFFTOOL}" ${TMP_DIR}/left.po ${TMP_DIR}/right.po
-done
+    git show ${sha}^:${PO_FILE} | \
+        grep --invert-match \
+             --regexp='^#:' \
+             --regexp='^"PO' > ${TMP_DIR}/${sha}.po
+    # reload current file every time as it may has been modified
+    grep --invert-match \
+         --regexp='^#:' \
+         --regexp='^"PO' ${PO_FILE} > ${TMP_DIR}/current.po
+    "${DIFFTOOL}" ${TMP_DIR}/${sha}.po ${TMP_DIR}/current.po
+done <<< $(git blame -t ${PO_FILE} | \
+           grep  '#, fuzzy$' | \
+           awk 'BEGIN {FIELDWIDTHS="10 32 10"} {print $3, $1, $2}' | \
+           sort --numeric-sort --unique --reverse)
 
 # clean up temp directory
 rm --force --recursive "${TMP_DIR}"