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-rw-r--r--builtin/apply.c249
-rwxr-xr-xt/t4120-apply-popt.sh35
-rwxr-xr-xt/t4135-apply-weird-filenames.sh75
-rw-r--r--t/t4135/.gitignore3
-rw-r--r--t/t4135/add-plain.diff5
-rw-r--r--t/t4135/add-with backslash.diff5
-rw-r--r--t/t4135/add-with quote.diff5
-rw-r--r--t/t4135/add-with spaces.diff5
-rw-r--r--t/t4135/add-with tab.diff5
-rw-r--r--t/t4135/damaged.diff5
-rw-r--r--t/t4135/diff-plain.diff5
-rw-r--r--t/t4135/diff-with backslash.diff5
-rw-r--r--t/t4135/diff-with quote.diff5
-rw-r--r--t/t4135/diff-with spaces.diff5
-rw-r--r--t/t4135/diff-with tab.diff5
-rw-r--r--t/t4135/git-plain.diff7
-rw-r--r--t/t4135/git-with backslash.diff7
-rw-r--r--t/t4135/git-with quote.diff7
-rw-r--r--t/t4135/git-with spaces.diff7
-rw-r--r--t/t4135/git-with tab.diff7
-rwxr-xr-xt/t4135/make-patches45
21 files changed, 456 insertions, 41 deletions
diff --git a/builtin/apply.c b/builtin/apply.c
index 470520bde7..23c18c573b 100644
--- a/builtin/apply.c
+++ b/builtin/apply.c
@@ -416,48 +416,190 @@ static char *squash_slash(char *name)
return name;
}
-static char *find_name(const char *line, char *def, int p_value, int terminate)
+static char *find_name_gnu(const char *line, char *def, int p_value)
{
- int len;
- const char *start = NULL;
+ struct strbuf name = STRBUF_INIT;
+ char *cp;
- if (p_value == 0)
- start = line;
+ /*
+ * Proposed "new-style" GNU patch/diff format; see
+ * http://marc.theaimsgroup.com/?l=git&m=112927316408690&w=2
+ */
+ if (unquote_c_style(&name, line, NULL)) {
+ strbuf_release(&name);
+ return NULL;
+ }
- if (*line == '"') {
- struct strbuf name = STRBUF_INIT;
+ for (cp = name.buf; p_value; p_value--) {
+ cp = strchr(cp, '/');
+ if (!cp) {
+ strbuf_release(&name);
+ return NULL;
+ }
+ cp++;
+ }
- /*
- * Proposed "new-style" GNU patch/diff format; see
- * http://marc.theaimsgroup.com/?l=git&m=112927316408690&w=2
- */
- if (!unquote_c_style(&name, line, NULL)) {
- char *cp;
+ /* name can later be freed, so we need
+ * to memmove, not just return cp
+ */
+ strbuf_remove(&name, 0, cp - name.buf);
+ free(def);
+ if (root)
+ strbuf_insert(&name, 0, root, root_len);
+ return squash_slash(strbuf_detach(&name, NULL));
+}
- for (cp = name.buf; p_value; p_value--) {
- cp = strchr(cp, '/');
- if (!cp)
- break;
- cp++;
- }
- if (cp) {
- /* name can later be freed, so we need
- * to memmove, not just return cp
- */
- strbuf_remove(&name, 0, cp - name.buf);
- free(def);
- if (root)
- strbuf_insert(&name, 0, root, root_len);
- return squash_slash(strbuf_detach(&name, NULL));
- }
- }
- strbuf_release(&name);
+static size_t tz_len(const char *line, size_t len)
+{
+ const char *tz, *p;
+
+ if (len < strlen(" +0500") || line[len-strlen(" +0500")] != ' ')
+ return 0;
+ tz = line + len - strlen(" +0500");
+
+ if (tz[1] != '+' && tz[1] != '-')
+ return 0;
+
+ for (p = tz + 2; p != line + len; p++)
+ if (!isdigit(*p))
+ return 0;
+
+ return line + len - tz;
+}
+
+static size_t date_len(const char *line, size_t len)
+{
+ const char *date, *p;
+
+ if (len < strlen("72-02-05") || line[len-strlen("-05")] != '-')
+ return 0;
+ p = date = line + len - strlen("72-02-05");
+
+ if (!isdigit(*p++) || !isdigit(*p++) || *p++ != '-' ||
+ !isdigit(*p++) || !isdigit(*p++) || *p++ != '-' ||
+ !isdigit(*p++) || !isdigit(*p++)) /* Not a date. */
+ return 0;
+
+ if (date - line >= strlen("19") &&
+ isdigit(date[-1]) && isdigit(date[-2])) /* 4-digit year */
+ date -= strlen("19");
+
+ return line + len - date;
+}
+
+static size_t short_time_len(const char *line, size_t len)
+{
+ const char *time, *p;
+
+ if (len < strlen(" 07:01:32") || line[len-strlen(":32")] != ':')
+ return 0;
+ p = time = line + len - strlen(" 07:01:32");
+
+ /* Permit 1-digit hours? */
+ if (*p++ != ' ' ||
+ !isdigit(*p++) || !isdigit(*p++) || *p++ != ':' ||
+ !isdigit(*p++) || !isdigit(*p++) || *p++ != ':' ||
+ !isdigit(*p++) || !isdigit(*p++)) /* Not a time. */
+ return 0;
+
+ return line + len - time;
+}
+
+static size_t fractional_time_len(const char *line, size_t len)
+{
+ const char *p;
+ size_t n;
+
+ /* Expected format: 19:41:17.620000023 */
+ if (!len || !isdigit(line[len - 1]))
+ return 0;
+ p = line + len - 1;
+
+ /* Fractional seconds. */
+ while (p > line && isdigit(*p))
+ p--;
+ if (*p != '.')
+ return 0;
+
+ /* Hours, minutes, and whole seconds. */
+ n = short_time_len(line, p - line);
+ if (!n)
+ return 0;
+
+ return line + len - p + n;
+}
+
+static size_t trailing_spaces_len(const char *line, size_t len)
+{
+ const char *p;
+
+ /* Expected format: ' ' x (1 or more) */
+ if (!len || line[len - 1] != ' ')
+ return 0;
+
+ p = line + len;
+ while (p != line) {
+ p--;
+ if (*p != ' ')
+ return line + len - (p + 1);
}
- for (;;) {
+ /* All spaces! */
+ return len;
+}
+
+static size_t diff_timestamp_len(const char *line, size_t len)
+{
+ const char *end = line + len;
+ size_t n;
+
+ /*
+ * Posix: 2010-07-05 19:41:17
+ * GNU: 2010-07-05 19:41:17.620000023 -0500
+ */
+
+ if (!isdigit(end[-1]))
+ return 0;
+
+ n = tz_len(line, end - line);
+ end -= n;
+
+ n = short_time_len(line, end - line);
+ if (!n)
+ n = fractional_time_len(line, end - line);
+ end -= n;
+
+ n = date_len(line, end - line);
+ if (!n) /* No date. Too bad. */
+ return 0;
+ end -= n;
+
+ if (end == line) /* No space before date. */
+ return 0;
+ if (end[-1] == '\t') { /* Success! */
+ end--;
+ return line + len - end;
+ }
+ if (end[-1] != ' ') /* No space before date. */
+ return 0;
+
+ /* Whitespace damage. */
+ end -= trailing_spaces_len(line, end - line);
+ return line + len - end;
+}
+
+static char *find_name_common(const char *line, char *def, int p_value,
+ const char *end, int terminate)
+{
+ int len;
+ const char *start = NULL;
+
+ if (p_value == 0)
+ start = line;
+ while (line != end) {
char c = *line;
- if (isspace(c)) {
+ if (!end && isspace(c)) {
if (c == '\n')
break;
if (name_terminate(start, line-start, c, terminate))
@@ -497,6 +639,37 @@ static char *find_name(const char *line, char *def, int p_value, int terminate)
return squash_slash(xmemdupz(start, len));
}
+static char *find_name(const char *line, char *def, int p_value, int terminate)
+{
+ if (*line == '"') {
+ char *name = find_name_gnu(line, def, p_value);
+ if (name)
+ return name;
+ }
+
+ return find_name_common(line, def, p_value, NULL, terminate);
+}
+
+static char *find_name_traditional(const char *line, char *def, int p_value)
+{
+ size_t len = strlen(line);
+ size_t date_len;
+
+ if (*line == '"') {
+ char *name = find_name_gnu(line, def, p_value);
+ if (name)
+ return name;
+ }
+
+ len = strchrnul(line, '\n') - line;
+ date_len = diff_timestamp_len(line, len);
+ if (!date_len)
+ return find_name_common(line, def, p_value, NULL, TERM_TAB);
+ len -= date_len;
+
+ return find_name_common(line, def, p_value, line + len, 0);
+}
+
static int count_slashes(const char *cp)
{
int cnt = 0;
@@ -519,7 +692,7 @@ static int guess_p_value(const char *nameline)
if (is_dev_null(nameline))
return -1;
- name = find_name(nameline, NULL, 0, TERM_SPACE | TERM_TAB);
+ name = find_name_traditional(nameline, NULL, 0);
if (!name)
return -1;
cp = strchr(name, '/');
@@ -638,16 +811,16 @@ static void parse_traditional_patch(const char *first, const char *second, struc
if (is_dev_null(first)) {
patch->is_new = 1;
patch->is_delete = 0;
- name = find_name(second, NULL, p_value, TERM_SPACE | TERM_TAB);
+ name = find_name_traditional(second, NULL, p_value);
patch->new_name = name;
} else if (is_dev_null(second)) {
patch->is_new = 0;
patch->is_delete = 1;
- name = find_name(first, NULL, p_value, TERM_SPACE | TERM_TAB);
+ name = find_name_traditional(first, NULL, p_value);
patch->old_name = name;
} else {
- name = find_name(first, NULL, p_value, TERM_SPACE | TERM_TAB);
- name = find_name(second, name, p_value, TERM_SPACE | TERM_TAB);
+ name = find_name_traditional(first, NULL, p_value);
+ name = find_name_traditional(second, name, p_value);
if (has_epoch_timestamp(first)) {
patch->is_new = 1;
patch->is_delete = 0;
diff --git a/t/t4120-apply-popt.sh b/t/t4120-apply-popt.sh
index b463b4f05c..2b2d00b334 100755
--- a/t/t4120-apply-popt.sh
+++ b/t/t4120-apply-popt.sh
@@ -10,21 +10,50 @@ test_description='git apply -p handling.'
test_expect_success setup '
mkdir sub &&
echo A >sub/file1 &&
- cp sub/file1 file1 &&
+ cp sub/file1 file1.saved &&
git add sub/file1 &&
echo B >sub/file1 &&
git diff >patch.file &&
- rm sub/file1 &&
- rmdir sub
+ git checkout -- sub/file1 &&
+ git mv sub süb &&
+ echo B >süb/file1 &&
+ git diff >patch.escaped &&
+ grep "[\]" patch.escaped &&
+ rm süb/file1 &&
+ rmdir süb
'
test_expect_success 'apply git diff with -p2' '
+ cp file1.saved file1 &&
git apply -p2 patch.file
'
test_expect_success 'apply with too large -p' '
+ cp file1.saved file1 &&
test_must_fail git apply --stat -p3 patch.file 2>err &&
grep "removing 3 leading" err
'
+test_expect_success 'apply (-p2) traditional diff with funny filenames' '
+ cat >patch.quotes <<-\EOF &&
+ diff -u "a/"sub/file1 "b/"sub/file1
+ --- "a/"sub/file1
+ +++ "b/"sub/file1
+ @@ -1 +1 @@
+ -A
+ +B
+ EOF
+ echo B >expected &&
+
+ cp file1.saved file1 &&
+ git apply -p2 patch.quotes &&
+ test_cmp expected file1
+'
+
+test_expect_success 'apply with too large -p and fancy filename' '
+ cp file1.saved file1 &&
+ test_must_fail git apply --stat -p3 patch.escaped 2>err &&
+ grep "removing 3 leading" err
+'
+
test_done
diff --git a/t/t4135-apply-weird-filenames.sh b/t/t4135-apply-weird-filenames.sh
new file mode 100755
index 0000000000..1e5aad57ab
--- /dev/null
+++ b/t/t4135-apply-weird-filenames.sh
@@ -0,0 +1,75 @@
+#!/bin/sh
+
+test_description='git apply with weird postimage filenames'
+
+. ./test-lib.sh
+
+test_expect_success 'setup' '
+ vector=$TEST_DIRECTORY/t4135 &&
+
+ test_tick &&
+ git commit --allow-empty -m preimage &&
+ git tag preimage &&
+
+ reset_preimage() {
+ git checkout -f preimage^0 &&
+ git read-tree -u --reset HEAD &&
+ git update-index --refresh
+ } &&
+
+ test_when_finished "rm -f \"tab embedded.txt\"" &&
+ test_when_finished "rm -f '\''\"quoteembedded\".txt'\''" &&
+ if touch -- "tab embedded.txt" '\''"quoteembedded".txt'\''
+ then
+ test_set_prereq FUNNYNAMES
+ fi
+'
+
+try_filename() {
+ desc=$1
+ postimage=$2
+ prereq=${3:-}
+ exp1=${4:-success}
+ exp2=${5:-success}
+ exp3=${6:-success}
+
+ test_expect_$exp1 $prereq "$desc, git-style file creation patch" "
+ echo postimage >expected &&
+ reset_preimage &&
+ rm -f '$postimage' &&
+ git apply -v \"\$vector\"/'git-$desc.diff' &&
+ test_cmp expected '$postimage'
+ "
+
+ test_expect_$exp2 $prereq "$desc, traditional patch" "
+ echo postimage >expected &&
+ reset_preimage &&
+ echo preimage >'$postimage' &&
+ git apply -v \"\$vector\"/'diff-$desc.diff' &&
+ test_cmp expected '$postimage'
+ "
+
+ test_expect_$exp3 $prereq "$desc, traditional file creation patch" "
+ echo postimage >expected &&
+ reset_preimage &&
+ rm -f '$postimage' &&
+ git apply -v \"\$vector\"/'add-$desc.diff' &&
+ test_cmp expected '$postimage'
+ "
+}
+
+try_filename 'plain' 'postimage.txt'
+try_filename 'with spaces' 'post image.txt'
+try_filename 'with tab' 'post image.txt' FUNNYNAMES
+try_filename 'with backslash' 'post\image.txt' BSLASHPSPEC
+try_filename 'with quote' '"postimage".txt' FUNNYNAMES success failure success
+
+test_expect_success 'whitespace-damaged traditional patch' '
+ echo postimage >expected &&
+ reset_preimage &&
+ rm -f postimage.txt &&
+ git apply -v "$vector/damaged.diff" &&
+ test_cmp expected postimage.txt
+'
+
+test_done
diff --git a/t/t4135/.gitignore b/t/t4135/.gitignore
new file mode 100644
index 0000000000..3e58e65f57
--- /dev/null
+++ b/t/t4135/.gitignore
@@ -0,0 +1,3 @@
+/file-creation/
+/trad-creation/
+/trad-modification/
diff --git a/t/t4135/add-plain.diff b/t/t4135/add-plain.diff
new file mode 100644
index 0000000000..cf5970a089
--- /dev/null
+++ b/t/t4135/add-plain.diff
@@ -0,0 +1,5 @@
+diff -pruN a/postimage.txt b/postimage.txt
+--- a/postimage.txt 1969-12-31 18:00:00.000000000 -0600
++++ b/postimage.txt 2010-08-18 20:13:31.484002255 -0500
+@@ -0,0 +1 @@
++postimage
diff --git a/t/t4135/add-with backslash.diff b/t/t4135/add-with backslash.diff
new file mode 100644
index 0000000000..c6861e1966
--- /dev/null
+++ b/t/t4135/add-with backslash.diff
@@ -0,0 +1,5 @@
+diff -pruN a/post\image.txt b/post\image.txt
+--- a/post\image.txt 1969-12-31 18:00:00.000000000 -0600
++++ b/post\image.txt 2010-08-18 20:13:31.692002255 -0500
+@@ -0,0 +1 @@
++postimage
diff --git a/t/t4135/add-with quote.diff b/t/t4135/add-with quote.diff
new file mode 100644
index 0000000000..866de78ca1
--- /dev/null
+++ b/t/t4135/add-with quote.diff
@@ -0,0 +1,5 @@
+diff -pruN a/"postimage".txt b/"postimage".txt
+--- a/"postimage".txt 1969-12-31 18:00:00.000000000 -0600
++++ b/"postimage".txt 2010-08-18 20:13:31.756002255 -0500
+@@ -0,0 +1 @@
++postimage
diff --git a/t/t4135/add-with spaces.diff b/t/t4135/add-with spaces.diff
new file mode 100644
index 0000000000..a9a1212a21
--- /dev/null
+++ b/t/t4135/add-with spaces.diff
@@ -0,0 +1,5 @@
+diff -pruN a/post image.txt b/post image.txt
+--- a/post image.txt 1969-12-31 18:00:00.000000000 -0600
++++ b/post image.txt 2010-08-18 20:13:31.556002255 -0500
+@@ -0,0 +1 @@
++postimage
diff --git a/t/t4135/add-with tab.diff b/t/t4135/add-with tab.diff
new file mode 100644
index 0000000000..bb67cb7930
--- /dev/null
+++ b/t/t4135/add-with tab.diff
@@ -0,0 +1,5 @@
+diff -pruN a/post image.txt b/post image.txt
+--- a/post image.txt 1969-12-31 18:00:00.000000000 -0600
++++ b/post image.txt 2010-08-18 20:13:31.628002255 -0500
+@@ -0,0 +1 @@
++postimage
diff --git a/t/t4135/damaged.diff b/t/t4135/damaged.diff
new file mode 100644
index 0000000000..68f7ededf9
--- /dev/null
+++ b/t/t4135/damaged.diff
@@ -0,0 +1,5 @@
+diff -pruN a/postimage.txt b/postimage.txt
+--- a/postimage.txt 1969-12-31 18:00:00.000000000 -0600
++++ b/postimage.txt 2010-08-18 20:13:31.484002255 -0500
+@@ -0,0 +1 @@
++postimage
diff --git a/t/t4135/diff-plain.diff b/t/t4135/diff-plain.diff
new file mode 100644
index 0000000000..acedcfa612
--- /dev/null
+++ b/t/t4135/diff-plain.diff
@@ -0,0 +1,5 @@
+--- postimage.txt.orig 2010-08-18 20:13:31.432002255 -0500
++++ postimage.txt 2010-08-18 20:13:31.432002255 -0500
+@@ -1 +1 @@
+-preimage
++postimage
diff --git a/t/t4135/diff-with backslash.diff b/t/t4135/diff-with backslash.diff
new file mode 100644
index 0000000000..9068a61bd9
--- /dev/null
+++ b/t/t4135/diff-with backslash.diff
@@ -0,0 +1,5 @@
+--- post\image.txt.orig 2010-08-18 20:13:31.680002255 -0500
++++ post\image.txt 2010-08-18 20:13:31.680002255 -0500
+@@ -1 +1 @@
+-preimage
++postimage
diff --git a/t/t4135/diff-with quote.diff b/t/t4135/diff-with quote.diff
new file mode 100644
index 0000000000..c8e8cc1a8d
--- /dev/null
+++ b/t/t4135/diff-with quote.diff
@@ -0,0 +1,5 @@
+--- "postimage".txt.orig 2010-08-18 20:13:31.744002255 -0500
++++ "postimage".txt 2010-08-18 20:13:31.744002255 -0500
+@@ -1 +1 @@
+-preimage
++postimage
diff --git a/t/t4135/diff-with spaces.diff b/t/t4135/diff-with spaces.diff
new file mode 100644
index 0000000000..3512056f21
--- /dev/null
+++ b/t/t4135/diff-with spaces.diff
@@ -0,0 +1,5 @@
+--- post image.txt.orig 2010-08-18 20:13:31.544002255 -0500
++++ post image.txt 2010-08-18 20:13:31.544002255 -0500
+@@ -1 +1 @@
+-preimage
++postimage
diff --git a/t/t4135/diff-with tab.diff b/t/t4135/diff-with tab.diff
new file mode 100644
index 0000000000..4e6d9b2941
--- /dev/null
+++ b/t/t4135/diff-with tab.diff
@@ -0,0 +1,5 @@
+--- post image.txt.orig 2010-08-18 20:13:31.616002255 -0500
++++ post image.txt 2010-08-18 20:13:31.616002255 -0500
+@@ -1 +1 @@
+-preimage
++postimage
diff --git a/t/t4135/git-plain.diff b/t/t4135/git-plain.diff
new file mode 100644
index 0000000000..db47d1a693
--- /dev/null
+++ b/t/t4135/git-plain.diff
@@ -0,0 +1,7 @@
+diff --git a/postimage.txt b/postimage.txt
+new file mode 100644
+index 0000000..eff0c54
+--- /dev/null
++++ b/postimage.txt
+@@ -0,0 +1 @@
++postimage
diff --git a/t/t4135/git-with backslash.diff b/t/t4135/git-with backslash.diff
new file mode 100644
index 0000000000..0e84a10e93
--- /dev/null
+++ b/t/t4135/git-with backslash.diff
@@ -0,0 +1,7 @@
+diff --git "a/post\\image.txt" "b/post\\image.txt"
+new file mode 100644
+index 0000000..eff0c54
+--- /dev/null
++++ "b/post\\image.txt"
+@@ -0,0 +1 @@
++postimage
diff --git a/t/t4135/git-with quote.diff b/t/t4135/git-with quote.diff
new file mode 100644
index 0000000000..bdbea8af35
--- /dev/null
+++ b/t/t4135/git-with quote.diff
@@ -0,0 +1,7 @@
+diff --git "a/\"postimage\".txt" "b/\"postimage\".txt"
+new file mode 100644
+index 0000000..eff0c54
+--- /dev/null
++++ "b/\"postimage\".txt"
+@@ -0,0 +1 @@
++postimage
diff --git a/t/t4135/git-with spaces.diff b/t/t4135/git-with spaces.diff
new file mode 100644
index 0000000000..baaa810de0
--- /dev/null
+++ b/t/t4135/git-with spaces.diff
@@ -0,0 +1,7 @@
+diff --git a/post image.txt b/post image.txt
+new file mode 100644
+index 0000000..eff0c54
+--- /dev/null
++++ b/post image.txt
+@@ -0,0 +1 @@
++postimage
diff --git a/t/t4135/git-with tab.diff b/t/t4135/git-with tab.diff
new file mode 100644
index 0000000000..cca3c9287b
--- /dev/null
+++ b/t/t4135/git-with tab.diff
@@ -0,0 +1,7 @@
+diff --git "a/post\timage.txt" "b/post\timage.txt"
+new file mode 100644
+index 0000000..eff0c54
+--- /dev/null
++++ "b/post\timage.txt"
+@@ -0,0 +1 @@
++postimage
diff --git a/t/t4135/make-patches b/t/t4135/make-patches
new file mode 100755
index 0000000000..f5f45ddd09
--- /dev/null
+++ b/t/t4135/make-patches
@@ -0,0 +1,45 @@
+#!/bin/sh
+
+do_filename() {
+ desc=$1
+ postimage=$2
+
+ rm -fr file-creation &&
+ git init file-creation &&
+ (
+ cd file-creation &&
+ git commit --allow-empty -m init &&
+ echo postimage >"$postimage" &&
+ git add -N "$postimage" &&
+ git diff HEAD >"../git-$desc.diff"
+ ) &&
+
+ rm -fr trad-modification &&
+ mkdir trad-modification &&
+ (
+ cd trad-modification &&
+ echo preimage >"$postimage.orig" &&
+ echo postimage >"$postimage" &&
+ ! diff -u "$postimage.orig" "$postimage" >"../diff-$desc.diff"
+ ) &&
+
+ rm -fr trad-creation &&
+ mkdir trad-creation &&
+ (
+ cd trad-creation &&
+ mkdir a b &&
+ echo postimage >"b/$postimage" &&
+ ! diff -pruN a b >"../add-$desc.diff"
+ )
+}
+
+do_filename plain postimage.txt &&
+do_filename 'with spaces' 'post image.txt' &&
+do_filename 'with tab' 'post image.txt' &&
+do_filename 'with backslash' 'post\image.txt' &&
+do_filename 'with quote' '"postimage".txt' &&
+expand add-plain.diff >damaged.diff ||
+{
+ echo >&2 Failed. &&
+ exit 1
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 15:05:10 +0000