@@ -212,6 +212,10 @@ If you just want to run git as if it was started in `<path>` then use
nohelpers (exclude helper commands), alias and config
(retrieve command list from config variable completion.commands)
+--attr-source=<tree-ish>::
+ Read gitattributes from <tree-ish> instead of the worktree. See
+ linkgit:gitrevisions[7].
+
GIT COMMANDS
------------
@@ -128,7 +128,7 @@ static const struct attr_check *get_archive_attrs(struct index_state *istate,
static struct attr_check *check;
if (!check)
check = attr_check_initl("export-ignore", "export-subst", NULL);
- git_check_attr(istate, NULL, path, check);
+ git_check_attr(istate, path, check);
return check;
}
@@ -20,6 +20,7 @@
#include "object-store.h"
#include "setup.h"
#include "thread-utils.h"
+#include "object-name.h"
const char git_attr__true[] = "(builtin)true";
const char git_attr__false[] = "\0(builtin)false";
@@ -1169,11 +1170,51 @@ static void collect_some_attrs(struct index_state *istate,
fill(path, pathlen, basename_offset, check->stack, check->all_attrs, rem);
}
+static const char *default_attr_source_tree_object_name;
+
+void set_git_attr_source(const char *tree_object_name)
+{
+ default_attr_source_tree_object_name = xstrdup(tree_object_name);
+}
+
+
+static void compute_default_attr_source(struct object_id *attr_source)
+{
+ int from_env = 0;
+
+ if (!default_attr_source_tree_object_name) {
+ default_attr_source_tree_object_name = getenv(GIT_ATTR_SOURCE);
+ from_env = 1;
+ }
+
+ if (!default_attr_source_tree_object_name || !is_null_oid(attr_source))
+ return;
+
+ if (repo_get_oid_treeish(the_repository, default_attr_source_tree_object_name, attr_source)) {
+ if (from_env)
+ die(_("bad --attr-source object"));
+ else
+ die(_("bad GIT_ATTR_SOURCE"));
+ }
+}
+
+static struct object_id *default_attr_source(void)
+{
+ static struct object_id attr_source;
+
+ if (is_null_oid(&attr_source))
+ compute_default_attr_source(&attr_source);
+ if (is_null_oid(&attr_source))
+ return NULL;
+ return &attr_source;
+}
+
void git_check_attr(struct index_state *istate,
- const struct object_id *tree_oid, const char *path,
+ const char *path,
struct attr_check *check)
{
int i;
+ const struct object_id *tree_oid = default_attr_source();
collect_some_attrs(istate, tree_oid, path, check);
@@ -1186,10 +1227,11 @@ void git_check_attr(struct index_state *istate,
}
}
-void git_all_attrs(struct index_state *istate, const struct object_id *tree_oid,
+void git_all_attrs(struct index_state *istate,
const char *path, struct attr_check *check)
{
int i;
+ const struct object_id *tree_oid = default_attr_source();
attr_check_reset(check);
collect_some_attrs(istate, tree_oid, path, check);
@@ -45,7 +45,7 @@
* const char *path;
*
* setup_check();
- * git_check_attr(&the_index, tree_oid, path, check);
+ * git_check_attr(&the_index, path, check);
* ------------
*
* - Act on `.value` member of the result, left in `check->items[]`:
@@ -120,7 +120,6 @@
#define ATTR_MAX_FILE_SIZE (100 * 1024 * 1024)
struct index_state;
-struct object_id;
/**
* An attribute is an opaque object that is identified by its name. Pass the
@@ -135,6 +134,12 @@ struct git_attr;
struct all_attrs_item;
struct attr_stack;
+/*
+ * The textual object name for the tree-ish used by git_check_attr()
+ * to read attributes from (instead of from the working tree).
+ */
+void set_git_attr_source(const char *);
+
/*
* Given a string, return the gitattribute object that
* corresponds to it.
@@ -203,14 +208,14 @@ void attr_check_free(struct attr_check *check);
const char *git_attr_name(const struct git_attr *);
void git_check_attr(struct index_state *istate,
- const struct object_id *tree_oid, const char *path,
+ const char *path,
struct attr_check *check);
/*
* Retrieve all attributes that apply to the specified path.
* check holds the attributes and their values.
*/
-void git_all_attrs(struct index_state *istate, const struct object_id *tree_oid,
+void git_all_attrs(struct index_state *istate,
const char *path, struct attr_check *check);
enum git_attr_direction {
@@ -63,7 +63,7 @@ static void output_attr(struct attr_check *check, const char *file)
}
static void check_attr(const char *prefix, struct attr_check *check,
- const struct object_id *tree_oid, int collect_all,
+ int collect_all,
const char *file)
{
@@ -71,9 +71,9 @@ static void check_attr(const char *prefix, struct attr_check *check,
prefix_path(prefix, prefix ? strlen(prefix) : 0, file);
if (collect_all) {
- git_all_attrs(&the_index, tree_oid, full_path, check);
+ git_all_attrs(&the_index, full_path, check);
} else {
- git_check_attr(&the_index, tree_oid, full_path, check);
+ git_check_attr(&the_index, full_path, check);
}
output_attr(check, file);
@@ -81,7 +81,7 @@ static void check_attr(const char *prefix, struct attr_check *check,
}
static void check_attr_stdin_paths(const char *prefix, struct attr_check *check,
- const struct object_id *tree_oid, int collect_all)
+ int collect_all)
{
struct strbuf buf = STRBUF_INIT;
struct strbuf unquoted = STRBUF_INIT;
@@ -95,7 +95,7 @@ static void check_attr_stdin_paths(const char *prefix, struct attr_check *check,
die("line is badly quoted");
strbuf_swap(&buf, &unquoted);
}
- check_attr(prefix, check, tree_oid, collect_all, buf.buf);
+ check_attr(prefix, check, collect_all, buf.buf);
maybe_flush_or_die(stdout, "attribute to stdout");
}
strbuf_release(&buf);
@@ -111,7 +111,6 @@ static NORETURN void error_with_usage(const char *msg)
int cmd_check_attr(int argc, const char **argv, const char *prefix)
{
struct attr_check *check;
- struct object_id *tree_oid = NULL;
struct object_id initialized_oid;
int cnt, i, doubledash, filei;
@@ -187,14 +186,14 @@ int cmd_check_attr(int argc, const char **argv, const char *prefix)
if (source) {
if (repo_get_oid_tree(the_repository, source, &initialized_oid))
die("%s: not a valid tree-ish source", source);
- tree_oid = &initialized_oid;
+ set_git_attr_source(source);
}
if (stdin_paths)
- check_attr_stdin_paths(prefix, check, tree_oid, all_attrs);
+ check_attr_stdin_paths(prefix, check, all_attrs);
else {
for (i = filei; i < argc; i++)
- check_attr(prefix, check, tree_oid, all_attrs, argv[i]);
+ check_attr(prefix, check, all_attrs, argv[i]);
maybe_flush_or_die(stdout, "attribute to stdout");
}
@@ -1331,7 +1331,7 @@ static int no_try_delta(const char *path)
if (!check)
check = attr_check_initl("delta", NULL);
- git_check_attr(the_repository->index, NULL, path, check);
+ git_check_attr(the_repository->index, path, check);
if (ATTR_FALSE(check->items[0].value))
return 1;
return 0;
@@ -1314,7 +1314,7 @@ void convert_attrs(struct index_state *istate,
git_config(read_convert_config, NULL);
}
- git_check_attr(istate, NULL, path, check);
+ git_check_attr(istate, path, check);
ccheck = check->items;
ca->crlf_action = git_path_check_crlf(ccheck + 4);
if (ca->crlf_action == CRLF_UNDEFINED)
@@ -55,6 +55,7 @@ const char *getenv_safe(struct strvec *argv, const char *name);
#define GIT_QUARANTINE_ENVIRONMENT "GIT_QUARANTINE_PATH"
#define GIT_OPTIONAL_LOCKS_ENVIRONMENT "GIT_OPTIONAL_LOCKS"
#define GIT_TEXT_DOMAIN_DIR_ENVIRONMENT "GIT_TEXTDOMAINDIR"
+#define GIT_ATTR_SOURCE "GIT_ATTR_SOURCE"
/*
* Environment variable used in handshaking the wire protocol.
@@ -9,6 +9,7 @@
#include "alias.h"
#include "replace-object.h"
#include "setup.h"
+#include "attr.h"
#include "shallow.h"
#include "trace.h"
#include "trace2.h"
@@ -314,6 +315,21 @@ static int handle_options(const char ***argv, int *argc, int *envchanged)
} else {
exit(list_cmds(cmd));
}
+ } else if (!strcmp(cmd, "--attr-source")) {
+ if (*argc < 2) {
+ fprintf(stderr, _("no prefix given for --attr-source\n" ));
+ usage(git_usage_string);
+ }
+ setenv(GIT_ATTR_SOURCE, (*argv)[1], 1);
+ if (envchanged)
+ *envchanged = 1;
+ (*argv)++;
+ (*argc)--;
+ } else if (skip_prefix(cmd, "--attr-source=", &cmd)) {
+ set_git_attr_source(cmd);
+ setenv(GIT_ATTR_SOURCE, (*argv)[1], 1);
+ if (envchanged)
+ *envchanged = 1;
} else {
fprintf(stderr, _("unknown option: %s\n"), cmd);
usage(git_usage_string);
@@ -393,7 +393,7 @@ enum ll_merge_result ll_merge(mmbuffer_t *result_buf,
normalize_file(theirs, path, istate);
}
- git_check_attr(istate, NULL, path, check);
+ git_check_attr(istate, path, check);
ll_driver_name = check->items[0].value;
if (check->items[1].value) {
marker_size = atoi(check->items[1].value);
@@ -421,7 +421,7 @@ int ll_merge_marker_size(struct index_state *istate, const char *path)
if (!check)
check = attr_check_initl("conflict-marker-size", NULL);
- git_check_attr(istate, NULL, path, check);
+ git_check_attr(istate, path, check);
if (check->items[0].value) {
marker_size = atoi(check->items[0].value);
if (marker_size <= 0)
@@ -734,7 +734,7 @@ int match_pathspec_attrs(struct index_state *istate,
if (name[namelen])
name = to_free = xmemdupz(name, namelen);
- git_check_attr(istate, NULL, name, item->attr_check);
+ git_check_attr(istate, name, item->attr_check);
free(to_free);
@@ -112,15 +112,36 @@ EOF
STRATEGY=$1
- test_expect_success "$STRATEGY diff from attributes" '
+ test_expect_success "setup attributes files for tests with $STRATEGY" '
+ git checkout -b master &&
echo "file* diff=driver" >.gitattributes &&
- git config diff.driver.algorithm "$STRATEGY" &&
- test_must_fail git diff --no-index file1 file2 > output &&
- cat expect &&
- cat output &&
+ git add file1 file2 .gitattributes &&
+ git commit -m "adding files" &&
+ git checkout -b branchA &&
+ echo "file* diff=driverA" >.gitattributes &&
+ git add .gitattributes &&
+ git commit -m "adding driverA as diff driver" &&
+ git checkout master &&
+ git clone --bare --no-local . bare.git
+ '
+
+ test_expect_success "$STRATEGY diff from attributes" '
+ test_must_fail git -c diff.driver.algorithm=$STRATEGY diff --no-index file1 file2 > output &&
test_cmp expect output
'
+ test_expect_success "diff from attributes with bare repo with source" '
+ git -C bare.git --attr-source=branchA -c diff.driver.algorithm=myers \
+ -c diff.driverA.algorithm=$STRATEGY \
+ diff HEAD:file1 HEAD:file2 >output &&
+ test_cmp expect output
+ '
+
+ test_expect_success "diff from attributes with bare repo with invalid source" '
+ test_must_fail git -C bare.git --attr-source=invalid-branch diff \
+ HEAD:file1 HEAD:file2
+ '
+
test_expect_success "$STRATEGY diff from attributes has valid diffstat" '
echo "file* diff=driver" >.gitattributes &&
git config diff.driver.algorithm "$STRATEGY" &&
@@ -30,8 +30,17 @@ attr_check_quote () {
attr_check_source () {
path="$1" expect="$2" source="$3" git_opts="$4" &&
- git $git_opts check-attr --source $source test -- "$path" >actual 2>err &&
echo "$path: test: $expect" >expect &&
+
+ git $git_opts check-attr --source $source test -- "$path" >actual 2>err &&
+ test_cmp expect actual &&
+ test_must_be_empty err &&
+
+ git $git_opts --attr-source="$source" check-attr test -- "$path" >actual 2>err &&
+ test_cmp expect actual &&
+ test_must_be_empty err
+
+ GIT_ATTR_SOURCE="$source" git $git_opts check-attr test -- "$path" >actual 2>err &&
test_cmp expect actual &&
test_must_be_empty err
}
@@ -63,6 +63,25 @@ do
test_i18ngrep ! fatal msg &&
test_i18ngrep ! error msg
'
+
+ test_expect_success "builtin $p pattern compiles on bare repo with --attr-source" '
+ test_when_finished "rm -rf bare.git" &&
+ git checkout -B master &&
+ git add . &&
+ echo "*.java diff=notexist" >.gitattributes &&
+ git add .gitattributes &&
+ git commit -am "changing gitattributes" &&
+ git checkout -B branchA &&
+ echo "*.java diff=$p" >.gitattributes &&
+ git add .gitattributes &&
+ git commit -am "changing gitattributes" &&
+ git clone --bare --no-local . bare.git &&
+ git -C bare.git symbolic-ref HEAD refs/heads/master &&
+ test_expect_code 1 git -C bare.git --attr-source=branchA \
+ diff --exit-code HEAD:A.java HEAD:B.java 2>msg &&
+ test_i18ngrep ! fatal msg &&
+ test_i18ngrep ! error msg
+ '
done
test_expect_success 'last regexp must not be negated' '
@@ -444,7 +444,7 @@ struct userdiff_driver *userdiff_find_by_path(struct index_state *istate,
check = attr_check_initl("diff", NULL);
if (!path)
return NULL;
- git_check_attr(istate, NULL, path, check);
+ git_check_attr(istate, path, check);
if (ATTR_TRUE(check->items[0].value))
return &driver_true;
@@ -79,7 +79,7 @@ unsigned whitespace_rule(struct index_state *istate, const char *pathname)
if (!attr_whitespace_rule)
attr_whitespace_rule = attr_check_initl("whitespace", NULL);
- git_check_attr(istate, NULL, pathname, attr_whitespace_rule);
+ git_check_attr(istate, pathname, attr_whitespace_rule);
value = attr_whitespace_rule->items[0].value;
if (ATTR_TRUE(value)) {
/* true (whitespace) */