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authorAlex Riesen <raa.lkml@gmail.com>2007-03-14 01:17:04 +0100
committerJunio C Hamano <junkio@cox.net>2007-03-14 16:21:19 -0700
commit41bbf9d58575095234c64df979ee884334469758 (patch)
tree916fb0b719369166e3cea928ec4831482ad4e9fa /t/t4017-diff-retval.sh
parent803527f1d9b284fa848d4a4bad23158c162a5d54 (diff)
downloadgit-41bbf9d58575095234c64df979ee884334469758.tar.gz
git-41bbf9d58575095234c64df979ee884334469758.tar.xz
Allow git-diff exit with codes similar to diff(1)
This introduces a new command-line option: --exit-code. The diff programs will return 1 for differences, return 0 for equality, and something else for errors. Signed-off-by: Alex Riesen <raa.lkml@gmail.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
Diffstat (limited to 't/t4017-diff-retval.sh')
-rwxr-xr-xt/t4017-diff-retval.sh79
1 files changed, 79 insertions, 0 deletions
diff --git a/t/t4017-diff-retval.sh b/t/t4017-diff-retval.sh
new file mode 100755
index 000000000..68731908b
--- /dev/null
+++ b/t/t4017-diff-retval.sh
@@ -0,0 +1,79 @@
+#!/bin/sh
+
+test_description='Return value of diffs'
+
+. ./test-lib.sh
+
+test_expect_success 'setup' '
+ echo 1 >a &&
+ git add . &&
+ git commit -m first &&
+ echo 2 >b &&
+ git add . &&
+ git commit -a -m second
+'
+
+test_expect_success 'git diff-tree HEAD^ HEAD' '
+ git diff-tree --exit-code HEAD^ HEAD
+ test $? = 1
+'
+test_expect_success 'git diff-tree HEAD^ HEAD -- a' '
+ git diff-tree --exit-code HEAD^ HEAD -- a
+ test $? = 0
+'
+test_expect_success 'git diff-tree HEAD^ HEAD -- b' '
+ git diff-tree --exit-code HEAD^ HEAD -- b
+ test $? = 1
+'
+test_expect_success 'echo HEAD | git diff-tree --stdin' '
+ echo $(git rev-parse HEAD) | git diff-tree --exit-code --stdin
+ test $? = 1
+'
+test_expect_success 'git diff-tree HEAD HEAD' '
+ git diff-tree --exit-code HEAD HEAD
+ test $? = 0
+'
+test_expect_success 'git diff-files' '
+ git diff-files --exit-code
+ test $? = 0
+'
+test_expect_success 'git diff-index --cached HEAD' '
+ git diff-index --exit-code --cached HEAD
+ test $? = 0
+'
+test_expect_success 'git diff-index --cached HEAD^' '
+ git diff-index --exit-code --cached HEAD^
+ test $? = 1
+'
+test_expect_success 'git diff-index --cached HEAD^' '
+ echo text >>b &&
+ echo 3 >c &&
+ git add . && {
+ git diff-index --exit-code --cached HEAD^
+ test $? = 1
+ }
+'
+test_expect_success 'git diff-tree -Stext HEAD^ HEAD -- b' '
+ git commit -m "text in b" && {
+ git diff-tree -p --exit-code -Stext HEAD^ HEAD -- b
+ test $? = 1
+ }
+'
+test_expect_success 'git diff-tree -Snot-found HEAD^ HEAD -- b' '
+ git diff-tree -p --exit-code -Snot-found HEAD^ HEAD -- b
+ test $? = 0
+'
+test_expect_success 'git diff-files' '
+ echo 3 >>c && {
+ git diff-files --exit-code
+ test $? = 1
+ }
+'
+test_expect_success 'git diff-index --cached HEAD' '
+ git update-index c && {
+ git diff-index --exit-code --cached HEAD
+ test $? = 1
+ }
+'
+
+test_done