test 4 update ff fonctionne

git_update.sh

@@ -73,14 +73,14 @@ run cd "$dst"
 
 if [ -d .git ] ; then
 
-	run git submodule update --init --recursive --force --depth=1 --remote 
-	run git fetch --tags --depth=1 --prune --prune-tags origin $ref
-	run git reset --hard FETCH_HEAD 
-	git reflog expire --expire=now --all 
+	run git submodule update --init --recursive --force --depth=1 --remote &> /dev/null
+	run git fetch --tags --depth=1 --prune --prune-tags origin $ref &> /dev/null
+	run git reset --hard FETCH_HEAD &> /dev/null
+	git reflog expire --expire=now --all &> /dev/null
 	if "$be_aggressive" ; then
-		git gc --prune=now --aggressive
+		git gc --prune=now --aggressive &> /dev/null
 	else
-		git gc --prune=now
+		git gc --prune=now &> /dev/null
 	fi
 	# Preserve existing files in some cases
 	if ! "$nonempty_target" ; then #so we keep uncommitted files when not in -N

test_git_update.sh

@@ -11,6 +11,7 @@ FILENAMES_TAG=("sample0")
 FILENAMES_BRANCH=("sample0" "sample1") #we do not check for all files, especially not those specific to the branch.
 TAG_NAME=start
 BRANCH_NAME=secondary
+TEMP_CLONE_DIR="temp_local_clone"
 
 if [ "$WITH_SUBMODULE" = "true" ]; then
     bash creation_repo.sh -s &> /dev/null
@@ -84,8 +85,8 @@ tag_check(){
         echo "The tag instruction has been respected"
         tag_result=0
     else
-        tag_result=1
         echo "The tag instruction has not been respected"
+        tag_result=1
     fi
     cd ..
 }
@@ -104,6 +105,50 @@ branch_check(){
     cd ..
 }
 
+make_temporary_clone(){
+    mkdir $TEMP_CLONE_DIR
+    cd $TEMP_CLONE_DIR
+    run git clone --recurse-submodules --shallow-submodules --depth 1 --config core.sshCommand="ssh" $REMOTE . &> /dev/null
+    cd ..
+}
+
+modification_remote(){
+    local filenames=("$@")
+    run cd $TEMP_CLONE_DIR
+    run touch new_file
+    echo "new text" > new_file
+    run rm ${filenames[0]}
+    run git add new_file ${filenames[0]}
+    run git commit -m "new_file created and ${filenames[0]} deleted" &> /dev/null
+    run git push &> /dev/null
+    run cd ..
+}
+
+undo_modification_remote(){
+    cd $TEMP_CLONE_DIR
+    run git revert --no-edit HEAD &> /dev/null
+    run git push &> /dev/null
+    cd ..
+}
+
+modification_check(){
+    local filenames=("$@")
+    if [ -f "new_file" ]; then
+        echo "The new file has been imported."
+        modification_result=0
+        
+    else
+        echo "The new file has not been imported."
+        modification_result="1"
+    fi
+    if [ -f "${filenames[0]}" ]; then
+        echo "${filenames[0]} has not been deleted."
+        modification_result="1"
+    else    
+        echo "${filenames[0]} has been deleted."
+    fi
+}
+
 test0 (){
     #CASE 0: git cloned in an empty directory
     section TEST0
@@ -183,7 +228,6 @@ test3(){
     #checks
     cloning_check "tmp_dir" ${FILENAMES[@]}
     history_check $"tmp_dir"
-
     #existing check
     cd tmp_dir
     if [ -f tmp_file ]; then
@@ -199,7 +243,8 @@ test3(){
         echo "The preexisting non-conflicting file has been deleted."
         existing_result=1
     fi
-    cd ..
+    run cd ..
+    run rm -rf tmp_dir
     case3=$(($cloning_result+$history_result+$existing_result))
     if [ $case3 = 0 ]; then
         echo "case 3, in a non-empty directory  : OK"
@@ -209,12 +254,35 @@ test3(){
 
 }
 
-TEST4(){
-#CASE 4: git updated ff
+test4(){
+#CASE 4: git updated fast-forward
     section TEST4
-
+    #if it exists, delete the directory
+    if [ -d $REPO_NAME ]; then
+        run rm -rf $REPO_NAME
+    fi
+    #clone the repo in its last state
+    run git clone --recurse-submodules --shallow-submodules --depth 1 --config core.sshCommand="ssh" $REMOTE &> /dev/null
+    #modify the remote from elsewhere
+    modification_remote ${FILENAMES[@]}
+    #make git_update.sh update the repository
+    run cd $REPO_NAME
+    run ../git_update.sh $REMOTE 
+    #checks
+    run modification_check ${FILENAMES[@]}
+    #cleaning
+    run cd ..
+    undo_modification_remote
+    case4=$modification_result
+    if [ "$case4" = "0" ]; then
+        echo "case 4, fast-forward update: OK"
+    else
+        echo "case 4, fast-forward update: FAIL"
+    fi
 }
 
+#not ff
+#ref changed 
 
 
 
@@ -248,6 +316,9 @@ if [ "$ALL_TESTS" = "true" ]; then
     test9
 
 elif [ -n "$TEST_NUM" ]; then
+    if [ "$TEST_NUM" = 4 ];then
+            make_temporary_clone
+    fi
     case $TEST_NUM in
         0) 
             test0;;
@@ -273,6 +344,10 @@ elif [ -n "$TEST_NUM" ]; then
             echo "Error: Invalid test number"
             die;;
     esac
+    if [ "$TEST_NUM" = 4 ];then
+            rm -rf $TEMP_CLONE_DIR
+    fi
 else
     Help
-fi
+fi
+