Merge branch 'sc/difftool-skip'

* sc/difftool-skip:
t7800: avoid arithmetic expansion notation
git-difftool: allow skipping file by typing 'n' at prompt

diff --git a/git-difftool--helper.sh b/git-difftool--helper.sh
index 8452890be974d30942f0acaa3f19282c1b8b25b2..e6558d101062929241cc30cd0272556c3164310b 100755 (executable)
--- a/git-difftool--helper.sh
+++ b/git-difftool--helper.sh
@@ -43,12 +43,15 @@ launch_merge_tool () {
                printf "\nViewing: '$MERGED'\n"
                if use_ext_cmd
                then
-                       printf "Hit return to launch '%s': " \
+                       printf "Launch '%s' [Y/n]: " \
                                "$GIT_DIFFTOOL_EXTCMD"
                else
-                       printf "Hit return to launch '%s': " "$merge_tool"
+                       printf "Launch '%s' [Y/n]: " "$merge_tool"
+               fi
+               if read ans && test "$ans" = n
+               then
+                       return
                fi
-               read ans
        fi
 
        if use_ext_cmd

diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh
index 395adfc8a946bfd67b8a61cbef1366b78d9d855e..4fb4c9384a0045d3b041d627e9d814637d9268e2 100755 (executable)
--- a/t/t7800-difftool.sh
+++ b/t/t7800-difftool.sh
@@ -38,7 +38,17 @@ restore_test_defaults()
 prompt_given()
 {
        prompt="$1"
-       test "$prompt" = "Hit return to launch 'test-tool': branch"
+       test "$prompt" = "Launch 'test-tool' [Y/n]: branch"
+}
+
+stdin_contains()
+{
+       grep >/dev/null "$1"
+}
+
+stdin_doesnot_contain()
+{
+       ! stdin_contains "$1"
 }
 
 # Create a file on master and change it on branch
@@ -265,4 +275,35 @@ test_expect_success PERL 'difftool --extcmd cat arg2' '
        test "$diff" = branch
 '
 
+# Create a second file on master and a different version on branch
+test_expect_success PERL 'setup with 2 files different' '
+       echo m2 >file2 &&
+       git add file2 &&
+       git commit -m "added file2" &&
+
+       git checkout branch &&
+       echo br2 >file2 &&
+       git add file2 &&
+       git commit -a -m "branch changed file2" &&
+       git checkout master
+'
+
+test_expect_success PERL 'say no to the first file' '
+       diff=$( (echo n; echo) | git difftool -x cat branch ) &&
+
+       echo "$diff" | stdin_contains m2 &&
+       echo "$diff" | stdin_contains br2 &&
+       echo "$diff" | stdin_doesnot_contain master &&
+       echo "$diff" | stdin_doesnot_contain branch
+'
+
+test_expect_success PERL 'say no to the second file' '
+       diff=$( (echo; echo n) | git difftool -x cat branch ) &&
+
+       echo "$diff" | stdin_contains master &&
+       echo "$diff" | stdin_contains branch &&
+       echo "$diff" | stdin_doesnot_contain m2 &&
+       echo "$diff" | stdin_doesnot_contain br2
+'
+
 test_done