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-rw-r--r--Documentation/diff-options.txt5
-rw-r--r--Documentation/git-log.txt8
-rw-r--r--Documentation/git-show.txt9
-rw-r--r--Documentation/rev-list-options.txt3
-rw-r--r--diff.c30
-rwxr-xr-xt/t4000-diff-format.sh48
6 files changed, 75 insertions, 28 deletions
diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index 87e92d6537..bbed2cd79c 100644
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -26,6 +26,11 @@ ifndef::git-format-patch[]
{git-diff? This is the default.}
endif::git-format-patch[]
+-s::
+--no-patch::
+ Suppress diff output. Useful for commands like `git show` that
+ show the patch by default, or to cancel the effect of `--patch`.
+
-U<n>::
--unified=<n>::
Generate diffs with <n> lines of context instead of
diff --git a/Documentation/git-log.txt b/Documentation/git-log.txt
index 2ee6962a72..ac2694d04c 100644
--- a/Documentation/git-log.txt
+++ b/Documentation/git-log.txt
@@ -97,7 +97,7 @@ include::rev-list-options.txt[]
include::pretty-formats.txt[]
-Common diff options
+COMMON DIFF OPTIONS
-------------------
:git-log: 1
@@ -105,7 +105,7 @@ include::diff-options.txt[]
include::diff-generate-patch.txt[]
-Examples
+EXAMPLES
--------
`git log --no-merges`::
@@ -161,12 +161,12 @@ Examples
`git log -3`::
Limits the number of commits to show to 3.
-Discussion
+DISCUSSION
----------
include::i18n.txt[]
-Configuration
+CONFIGURATION
-------------
See linkgit:git-config[1] for core variables and linkgit:git-diff[1]
diff --git a/Documentation/git-show.txt b/Documentation/git-show.txt
index ae4edcccfb..4e617e6979 100644
--- a/Documentation/git-show.txt
+++ b/Documentation/git-show.txt
@@ -45,6 +45,15 @@ include::pretty-options.txt[]
include::pretty-formats.txt[]
+COMMON DIFF OPTIONS
+-------------------
+
+:git-log: 1
+include::diff-options.txt[]
+
+include::diff-generate-patch.txt[]
+
+
EXAMPLES
--------
diff --git a/Documentation/rev-list-options.txt b/Documentation/rev-list-options.txt
index e157ec3fe7..e632e8576e 100644
--- a/Documentation/rev-list-options.txt
+++ b/Documentation/rev-list-options.txt
@@ -849,7 +849,4 @@ options may be given. See linkgit:git-diff-files[1] for more options.
-t::
Show the tree objects in the diff output. This implies '-r'.
-
--s::
- Suppress diff output.
endif::git-rev-list[]
diff --git a/diff.c b/diff.c
index e53ddad7d4..0b1b5e7af8 100644
--- a/diff.c
+++ b/diff.c
@@ -3505,6 +3505,11 @@ static int parse_submodule_opt(struct diff_options *options, const char *value)
return 1;
}
+static void enable_patch_output(int *fmt) {
+ *fmt &= ~DIFF_FORMAT_NO_OUTPUT;
+ *fmt |= DIFF_FORMAT_PATCH;
+}
+
int diff_opt_parse(struct diff_options *options, const char **av, int ac)
{
const char *arg = av[0];
@@ -3512,15 +3517,15 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
int argcount;
/* Output format options */
- if (!strcmp(arg, "-p") || !strcmp(arg, "-u") || !strcmp(arg, "--patch"))
- options->output_format |= DIFF_FORMAT_PATCH;
- else if (opt_arg(arg, 'U', "unified", &options->context))
- options->output_format |= DIFF_FORMAT_PATCH;
+ if (!strcmp(arg, "-p") || !strcmp(arg, "-u") || !strcmp(arg, "--patch")
+ || opt_arg(arg, 'U', "unified", &options->context))
+ enable_patch_output(&options->output_format);
else if (!strcmp(arg, "--raw"))
options->output_format |= DIFF_FORMAT_RAW;
- else if (!strcmp(arg, "--patch-with-raw"))
- options->output_format |= DIFF_FORMAT_PATCH | DIFF_FORMAT_RAW;
- else if (!strcmp(arg, "--numstat"))
+ else if (!strcmp(arg, "--patch-with-raw")) {
+ enable_patch_output(&options->output_format);
+ options->output_format |= DIFF_FORMAT_RAW;
+ } else if (!strcmp(arg, "--numstat"))
options->output_format |= DIFF_FORMAT_NUMSTAT;
else if (!strcmp(arg, "--shortstat"))
options->output_format |= DIFF_FORMAT_SHORTSTAT;
@@ -3542,13 +3547,14 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
options->output_format |= DIFF_FORMAT_CHECKDIFF;
else if (!strcmp(arg, "--summary"))
options->output_format |= DIFF_FORMAT_SUMMARY;
- else if (!strcmp(arg, "--patch-with-stat"))
- options->output_format |= DIFF_FORMAT_PATCH | DIFF_FORMAT_DIFFSTAT;
- else if (!strcmp(arg, "--name-only"))
+ else if (!strcmp(arg, "--patch-with-stat")) {
+ enable_patch_output(&options->output_format);
+ options->output_format |= DIFF_FORMAT_DIFFSTAT;
+ } else if (!strcmp(arg, "--name-only"))
options->output_format |= DIFF_FORMAT_NAME;
else if (!strcmp(arg, "--name-status"))
options->output_format |= DIFF_FORMAT_NAME_STATUS;
- else if (!strcmp(arg, "-s"))
+ else if (!strcmp(arg, "-s") || !strcmp(arg, "--no-patch"))
options->output_format |= DIFF_FORMAT_NO_OUTPUT;
else if (!prefixcmp(arg, "--stat"))
/* --stat, --stat-width, --stat-name-width, or --stat-count */
@@ -3621,7 +3627,7 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
/* flags options */
else if (!strcmp(arg, "--binary")) {
- options->output_format |= DIFF_FORMAT_PATCH;
+ enable_patch_output(&options->output_format);
DIFF_OPT_SET(options, BINARY);
}
else if (!strcmp(arg, "--full-index"))
diff --git a/t/t4000-diff-format.sh b/t/t4000-diff-format.sh
index 6ddd46915d..8de36b7d12 100755
--- a/t/t4000-diff-format.sh
+++ b/t/t4000-diff-format.sh
@@ -15,17 +15,17 @@ line 3'
cat path0 >path1
chmod +x path1
-test_expect_success \
- 'update-index --add two files with and without +x.' \
- 'git update-index --add path0 path1'
+test_expect_success 'update-index --add two files with and without +x.' '
+ git update-index --add path0 path1
+'
mv path0 path0-
sed -e 's/line/Line/' <path0- >path0
chmod +x path0
rm -f path1
-test_expect_success \
- 'git diff-files -p after editing work tree.' \
- 'git diff-files -p >current'
+test_expect_success 'git diff-files -p after editing work tree.' '
+ git diff-files -p >actual
+'
# that's as far as it comes
if [ "$(git config --get core.filemode)" = false ]
@@ -55,8 +55,38 @@ deleted file mode 100755
-line 3
EOF
-test_expect_success \
- 'validate git diff-files -p output.' \
- 'compare_diff_patch current expected'
+test_expect_success 'validate git diff-files -p output.' '
+ compare_diff_patch expected actual
+'
+
+test_expect_success 'git diff-files -s after editing work tree' '
+ git diff-files -s >actual 2>err &&
+ test_must_be_empty actual &&
+ test_must_be_empty err
+'
+
+test_expect_success 'git diff-files --no-patch as synonym for -s' '
+ git diff-files --no-patch >actual 2>err &&
+ test_must_be_empty actual &&
+ test_must_be_empty err
+'
+
+test_expect_success 'git diff-files --no-patch --patch shows the patch' '
+ git diff-files --no-patch --patch >actual &&
+ compare_diff_patch expected actual
+'
+
+test_expect_success 'git diff-files --no-patch --patch-with-raw shows the patch and raw data' '
+ git diff-files --no-patch --patch-with-raw >actual &&
+ grep -q "^:100644 100755 .* 0000000000000000000000000000000000000000 M path0\$" actual &&
+ tail -n +4 actual >actual-patch &&
+ compare_diff_patch expected actual-patch
+'
+
+test_expect_success 'git diff-files --patch --no-patch does not show the patch' '
+ git diff-files --patch --no-patch >actual 2>err &&
+ test_must_be_empty actual &&
+ test_must_be_empty err
+'
test_done