diff options
| -rw-r--r-- | convert.c | 122 |
1 files changed, 78 insertions, 44 deletions
@@ -74,13 +74,13 @@ static int is_binary(unsigned long size, struct text_stat *stats) return 0; } -static int autocrlf_to_git(const char *path, char **bufp, unsigned long *sizep) +static int crlf_to_git(const char *path, char **bufp, unsigned long *sizep, int guess) { char *buffer, *nbuf; unsigned long size, nsize; struct text_stat stats; - if (!auto_crlf) + if (guess && !auto_crlf) return 0; size = *sizep; @@ -94,19 +94,21 @@ static int autocrlf_to_git(const char *path, char **bufp, unsigned long *sizep) if (!stats.cr) return 0; - /* - * We're currently not going to even try to convert stuff - * that has bare CR characters. Does anybody do that crazy - * stuff? - */ - if (stats.cr != stats.crlf) - return 0; - - /* - * And add some heuristics for binary vs text, of course... - */ - if (is_binary(size, &stats)) - return 0; + if (guess) { + /* + * We're currently not going to even try to convert stuff + * that has bare CR characters. Does anybody do that crazy + * stuff? + */ + if (stats.cr != stats.crlf) + return 0; + + /* + * And add some heuristics for binary vs text, of course... + */ + if (is_binary(size, &stats)) + return 0; + } /* * Ok, allocate a new buffer, fill it in, and return true @@ -116,28 +118,42 @@ static int autocrlf_to_git(const char *path, char **bufp, unsigned long *sizep) nbuf = xmalloc(nsize); *bufp = nbuf; *sizep = nsize; - do { - unsigned char c = *buffer++; - if (c != '\r') - *nbuf++ = c; - } while (--size); + + if (guess) { + do { + unsigned char c = *buffer++; + if (c != '\r') + *nbuf++ = c; + } while (--size); + } else { + do { + unsigned char c = *buffer++; + if (! (c == '\r' && (1 < size && *buffer == '\n'))) + *nbuf++ = c; + } while (--size); + } return 1; } -static int autocrlf_to_working_tree(const char *path, char **bufp, unsigned long *sizep) +static int autocrlf_to_git(const char *path, char **bufp, unsigned long *sizep) +{ + return crlf_to_git(path, bufp, sizep, 1); +} + +static int forcecrlf_to_git(const char *path, char **bufp, unsigned long *sizep) +{ + return crlf_to_git(path, bufp, sizep, 0); +} + +static int crlf_to_working_tree(const char *path, char **bufp, unsigned long *sizep, int guess) { char *buffer, *nbuf; unsigned long size, nsize; struct text_stat stats; unsigned char last; - /* - * FIXME! Other pluggable conversions should go here, - * based on filename patterns. Right now we just do the - * stupid auto-CRLF one. - */ - if (auto_crlf <= 0) + if (guess && auto_crlf <= 0) return 0; size = *sizep; @@ -155,12 +171,14 @@ static int autocrlf_to_working_tree(const char *path, char **bufp, unsigned long if (stats.lf == stats.crlf) return 0; - /* If we have any bare CR characters, we're not going to touch it */ - if (stats.cr != stats.crlf) - return 0; + if (guess) { + /* If we have any bare CR characters, we're not going to touch it */ + if (stats.cr != stats.crlf) + return 0; - if (is_binary(size, &stats)) - return 0; + if (is_binary(size, &stats)) + return 0; + } /* * Ok, allocate a new buffer, fill it in, and return true @@ -182,6 +200,16 @@ static int autocrlf_to_working_tree(const char *path, char **bufp, unsigned long return 1; } +static int autocrlf_to_working_tree(const char *path, char **bufp, unsigned long *sizep) +{ + return crlf_to_working_tree(path, bufp, sizep, 1); +} + +static int forcecrlf_to_working_tree(const char *path, char **bufp, unsigned long *sizep) +{ + return crlf_to_working_tree(path, bufp, sizep, 0); +} + static void setup_crlf_check(struct git_attr_check *check) { static struct git_attr *attr_crlf; @@ -191,31 +219,37 @@ static void setup_crlf_check(struct git_attr_check *check) check->attr = attr_crlf; } -static int git_path_is_binary(const char *path) +static int git_path_check_crlf(const char *path) { struct git_attr_check attr_crlf_check; setup_crlf_check(&attr_crlf_check); - /* - * If crlf is not mentioned, default to autocrlf; - * disable autocrlf only when crlf attribute is explicitly - * unset. - */ - return (!git_checkattr(path, 1, &attr_crlf_check) && - (0 == attr_crlf_check.isset)); + if (git_checkattr(path, 1, &attr_crlf_check)) + return -1; + return attr_crlf_check.isset; } int convert_to_git(const char *path, char **bufp, unsigned long *sizep) { - if (git_path_is_binary(path)) + switch (git_path_check_crlf(path)) { + case 0: return 0; - return autocrlf_to_git(path, bufp, sizep); + case 1: + return forcecrlf_to_git(path, bufp, sizep); + default: + return autocrlf_to_git(path, bufp, sizep); + } } int convert_to_working_tree(const char *path, char **bufp, unsigned long *sizep) { - if (git_path_is_binary(path)) + switch (git_path_check_crlf(path)) { + case 0: return 0; - return autocrlf_to_working_tree(path, bufp, sizep); + case 1: + return forcecrlf_to_working_tree(path, bufp, sizep); + default: + return autocrlf_to_working_tree(path, bufp, sizep); + } } |