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-rw-r--r--convert.c160
1 files changed, 77 insertions, 83 deletions
diff --git a/convert.c b/convert.c
index d5aebed48d..efc7e07d47 100644
--- a/convert.c
+++ b/convert.c
@@ -12,13 +12,13 @@
* translation when the "text" attribute or "auto_crlf" option is set.
*/
-enum action {
+enum crlf_action {
CRLF_GUESS = -1,
CRLF_BINARY = 0,
CRLF_TEXT,
CRLF_INPUT,
CRLF_CRLF,
- CRLF_AUTO,
+ CRLF_AUTO
};
struct text_stat {
@@ -94,9 +94,9 @@ static int is_binary(unsigned long size, struct text_stat *stats)
return 0;
}
-static enum eol determine_output_conversion(enum action action)
+static enum eol output_eol(enum crlf_action crlf_action)
{
- switch (action) {
+ switch (crlf_action) {
case CRLF_BINARY:
return EOL_UNSET;
case CRLF_CRLF:
@@ -113,19 +113,19 @@ static enum eol determine_output_conversion(enum action action)
return EOL_CRLF;
else if (auto_crlf == AUTO_CRLF_INPUT)
return EOL_LF;
- else if (eol == EOL_UNSET)
+ else if (core_eol == EOL_UNSET)
return EOL_NATIVE;
}
- return eol;
+ return core_eol;
}
-static void check_safe_crlf(const char *path, enum action action,
+static void check_safe_crlf(const char *path, enum crlf_action crlf_action,
struct text_stat *stats, enum safe_crlf checksafe)
{
if (!checksafe)
return;
- if (determine_output_conversion(action) == EOL_LF) {
+ if (output_eol(crlf_action) == EOL_LF) {
/*
* CRLFs would not be restored by checkout:
* check if we'd remove CRLFs
@@ -136,7 +136,7 @@ static void check_safe_crlf(const char *path, enum action action,
else /* i.e. SAFE_CRLF_FAIL */
die("CRLF would be replaced by LF in %s.", path);
}
- } else if (determine_output_conversion(action) == EOL_CRLF) {
+ } else if (output_eol(crlf_action) == EOL_CRLF) {
/*
* CRLFs would be added by checkout:
* check if we have "naked" LFs
@@ -188,18 +188,19 @@ static int has_cr_in_index(const char *path)
}
static int crlf_to_git(const char *path, const char *src, size_t len,
- struct strbuf *buf, enum action action, enum safe_crlf checksafe)
+ struct strbuf *buf,
+ enum crlf_action crlf_action, enum safe_crlf checksafe)
{
struct text_stat stats;
char *dst;
- if (action == CRLF_BINARY ||
- (action == CRLF_GUESS && auto_crlf == AUTO_CRLF_FALSE) || !len)
+ if (crlf_action == CRLF_BINARY ||
+ (crlf_action == CRLF_GUESS && auto_crlf == AUTO_CRLF_FALSE) || !len)
return 0;
gather_stats(src, len, &stats);
- if (action == CRLF_AUTO || action == CRLF_GUESS) {
+ if (crlf_action == CRLF_AUTO || crlf_action == CRLF_GUESS) {
/*
* We're currently not going to even try to convert stuff
* that has bare CR characters. Does anybody do that crazy
@@ -214,7 +215,7 @@ static int crlf_to_git(const char *path, const char *src, size_t len,
if (is_binary(len, &stats))
return 0;
- if (action == CRLF_GUESS) {
+ if (crlf_action == CRLF_GUESS) {
/*
* If the file in the index has any CR in it, do not convert.
* This is the new safer autocrlf handling.
@@ -224,7 +225,7 @@ static int crlf_to_git(const char *path, const char *src, size_t len,
}
}
- check_safe_crlf(path, action, &stats, checksafe);
+ check_safe_crlf(path, crlf_action, &stats, checksafe);
/* Optimization: No CR? Nothing to convert, regardless. */
if (!stats.cr)
@@ -234,7 +235,7 @@ static int crlf_to_git(const char *path, const char *src, size_t len,
if (strbuf_avail(buf) + buf->len < len)
strbuf_grow(buf, len - buf->len);
dst = buf->buf;
- if (action == CRLF_AUTO || action == CRLF_GUESS) {
+ if (crlf_action == CRLF_AUTO || crlf_action == CRLF_GUESS) {
/*
* If we guessed, we already know we rejected a file with
* lone CR, and we can strip a CR without looking at what
@@ -257,12 +258,12 @@ static int crlf_to_git(const char *path, const char *src, size_t len,
}
static int crlf_to_worktree(const char *path, const char *src, size_t len,
- struct strbuf *buf, enum action action)
+ struct strbuf *buf, enum crlf_action crlf_action)
{
char *to_free = NULL;
struct text_stat stats;
- if (!len || determine_output_conversion(action) != EOL_CRLF)
+ if (!len || output_eol(crlf_action) != EOL_CRLF)
return 0;
gather_stats(src, len, &stats);
@@ -275,8 +276,8 @@ static int crlf_to_worktree(const char *path, const char *src, size_t len,
if (stats.lf == stats.crlf)
return 0;
- if (action == CRLF_AUTO || action == CRLF_GUESS) {
- if (action == CRLF_GUESS) {
+ if (crlf_action == CRLF_AUTO || crlf_action == CRLF_GUESS) {
+ if (crlf_action == CRLF_GUESS) {
/* If we have any CR or CRLF line endings, we do not touch it */
/* This is the new safer autocrlf-handling */
if (stats.cr > 0 || stats.crlf > 0)
@@ -474,30 +475,6 @@ static int read_convert_config(const char *var, const char *value, void *cb)
return 0;
}
-static void setup_convert_check(struct git_attr_check *check)
-{
- static struct git_attr *attr_text;
- static struct git_attr *attr_crlf;
- static struct git_attr *attr_eol;
- static struct git_attr *attr_ident;
- static struct git_attr *attr_filter;
-
- if (!attr_text) {
- attr_text = git_attr("text");
- attr_crlf = git_attr("crlf");
- attr_eol = git_attr("eol");
- attr_ident = git_attr("ident");
- attr_filter = git_attr("filter");
- user_convert_tail = &user_convert;
- git_config(read_convert_config, NULL);
- }
- check[0].attr = attr_crlf;
- check[1].attr = attr_ident;
- check[2].attr = attr_filter;
- check[3].attr = attr_eol;
- check[4].attr = attr_text;
-}
-
static int count_ident(const char *cp, unsigned long size)
{
/*
@@ -715,7 +692,7 @@ static int git_path_check_ident(const char *path, struct git_attr_check *check)
return !!ATTR_TRUE(value);
}
-static enum action determine_action(enum action text_attr, enum eol eol_attr)
+static enum crlf_action input_crlf_action(enum crlf_action text_attr, enum eol eol_attr)
{
if (text_attr == CRLF_BINARY)
return CRLF_BINARY;
@@ -726,66 +703,83 @@ static enum action determine_action(enum action text_attr, enum eol eol_attr)
return text_attr;
}
+struct conv_attrs {
+ struct convert_driver *drv;
+ enum crlf_action crlf_action;
+ enum eol eol_attr;
+ int ident;
+};
+
+static const char *conv_attr_name[] = {
+ "crlf", "ident", "filter", "eol", "text",
+};
+#define NUM_CONV_ATTRS ARRAY_SIZE(conv_attr_name)
+
+static void convert_attrs(struct conv_attrs *ca, const char *path)
+{
+ int i;
+ static struct git_attr_check ccheck[NUM_CONV_ATTRS];
+
+ if (!ccheck[0].attr) {
+ for (i = 0; i < NUM_CONV_ATTRS; i++)
+ ccheck[i].attr = git_attr(conv_attr_name[i]);
+ user_convert_tail = &user_convert;
+ git_config(read_convert_config, NULL);
+ }
+
+ if (!git_checkattr(path, NUM_CONV_ATTRS, ccheck)) {
+ ca->crlf_action = git_path_check_crlf(path, ccheck + 4);
+ if (ca->crlf_action == CRLF_GUESS)
+ ca->crlf_action = git_path_check_crlf(path, ccheck + 0);
+ ca->ident = git_path_check_ident(path, ccheck + 1);
+ ca->drv = git_path_check_convert(path, ccheck + 2);
+ ca->eol_attr = git_path_check_eol(path, ccheck + 3);
+ } else {
+ ca->drv = NULL;
+ ca->crlf_action = CRLF_GUESS;
+ ca->eol_attr = EOL_UNSET;
+ ca->ident = 0;
+ }
+}
+
int convert_to_git(const char *path, const char *src, size_t len,
struct strbuf *dst, enum safe_crlf checksafe)
{
- struct git_attr_check check[5];
- enum action action = CRLF_GUESS;
- enum eol eol_attr = EOL_UNSET;
- int ident = 0, ret = 0;
+ int ret = 0;
const char *filter = NULL;
+ struct conv_attrs ca;
- setup_convert_check(check);
- if (!git_checkattr(path, ARRAY_SIZE(check), check)) {
- struct convert_driver *drv;
- action = git_path_check_crlf(path, check + 4);
- if (action == CRLF_GUESS)
- action = git_path_check_crlf(path, check + 0);
- ident = git_path_check_ident(path, check + 1);
- drv = git_path_check_convert(path, check + 2);
- eol_attr = git_path_check_eol(path, check + 3);
- if (drv && drv->clean)
- filter = drv->clean;
- }
+ convert_attrs(&ca, path);
+ if (ca.drv)
+ filter = ca.drv->clean;
ret |= apply_filter(path, src, len, dst, filter);
if (ret) {
src = dst->buf;
len = dst->len;
}
- action = determine_action(action, eol_attr);
- ret |= crlf_to_git(path, src, len, dst, action, checksafe);
+ ca.crlf_action = input_crlf_action(ca.crlf_action, ca.eol_attr);
+ ret |= crlf_to_git(path, src, len, dst, ca.crlf_action, checksafe);
if (ret) {
src = dst->buf;
len = dst->len;
}
- return ret | ident_to_git(path, src, len, dst, ident);
+ return ret | ident_to_git(path, src, len, dst, ca.ident);
}
static int convert_to_working_tree_internal(const char *path, const char *src,
size_t len, struct strbuf *dst,
int normalizing)
{
- struct git_attr_check check[5];
- enum action action = CRLF_GUESS;
- enum eol eol_attr = EOL_UNSET;
- int ident = 0, ret = 0;
+ int ret = 0;
const char *filter = NULL;
+ struct conv_attrs ca;
- setup_convert_check(check);
- if (!git_checkattr(path, ARRAY_SIZE(check), check)) {
- struct convert_driver *drv;
- action = git_path_check_crlf(path, check + 4);
- if (action == CRLF_GUESS)
- action = git_path_check_crlf(path, check + 0);
- ident = git_path_check_ident(path, check + 1);
- drv = git_path_check_convert(path, check + 2);
- eol_attr = git_path_check_eol(path, check + 3);
- if (drv && drv->smudge)
- filter = drv->smudge;
- }
+ convert_attrs(&ca, path);
+ if (ca.drv)
+ filter = ca.drv->smudge;
- ret |= ident_to_worktree(path, src, len, dst, ident);
+ ret |= ident_to_worktree(path, src, len, dst, ca.ident);
if (ret) {
src = dst->buf;
len = dst->len;
@@ -795,8 +789,8 @@ static int convert_to_working_tree_internal(const char *path, const char *src,
* is a smudge filter. The filter might expect CRLFs.
*/
if (filter || !normalizing) {
- action = determine_action(action, eol_attr);
- ret |= crlf_to_worktree(path, src, len, dst, action);
+ ca.crlf_action = input_crlf_action(ca.crlf_action, ca.eol_attr);
+ ret |= crlf_to_worktree(path, src, len, dst, ca.crlf_action);
if (ret) {
src = dst->buf;
len = dst->len;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-02 20:42:31 +0000