diff options
Diffstat (limited to 'convert.c')
-rw-r--r-- | convert.c | 146 |
1 files changed, 80 insertions, 66 deletions
@@ -176,7 +176,9 @@ static enum eol output_eol(enum crlf_action crlf_action) return EOL_LF; case CRLF_UNDEFINED: case CRLF_AUTO_CRLF: + return EOL_CRLF; case CRLF_AUTO_INPUT: + return EOL_LF; case CRLF_TEXT: case CRLF_AUTO: /* fall through */ @@ -187,33 +189,25 @@ static enum eol output_eol(enum crlf_action crlf_action) } static void check_safe_crlf(const char *path, enum crlf_action crlf_action, - struct text_stat *stats, enum safe_crlf checksafe) + struct text_stat *old_stats, struct text_stat *new_stats, + enum safe_crlf checksafe) { - if (!checksafe) - return; - - if (output_eol(crlf_action) == EOL_LF) { + if (old_stats->crlf && !new_stats->crlf ) { /* - * CRLFs would not be restored by checkout: - * check if we'd remove CRLFs + * CRLFs would not be restored by checkout */ - if (stats->crlf) { - if (checksafe == SAFE_CRLF_WARN) - warning("CRLF will be replaced by LF in %s.\nThe file will have its original line endings in your working directory.", path); - else /* i.e. SAFE_CRLF_FAIL */ - die("CRLF would be replaced by LF in %s.", path); - } - } else if (output_eol(crlf_action) == EOL_CRLF) { + if (checksafe == SAFE_CRLF_WARN) + warning("CRLF will be replaced by LF in %s.\nThe file will have its original line endings in your working directory.", path); + else /* i.e. SAFE_CRLF_FAIL */ + die("CRLF would be replaced by LF in %s.", path); + } else if (old_stats->lonelf && !new_stats->lonelf ) { /* - * CRLFs would be added by checkout: - * check if we have "naked" LFs + * CRLFs would be added by checkout */ - if (stats->lonelf) { - if (checksafe == SAFE_CRLF_WARN) - warning("LF will be replaced by CRLF in %s.\nThe file will have its original line endings in your working directory.", path); - else /* i.e. SAFE_CRLF_FAIL */ - die("LF would be replaced by CRLF in %s", path); - } + if (checksafe == SAFE_CRLF_WARN) + warning("LF will be replaced by CRLF in %s.\nThe file will have its original line endings in your working directory.", path); + else /* i.e. SAFE_CRLF_FAIL */ + die("LF would be replaced by CRLF in %s", path); } } @@ -231,12 +225,35 @@ static int has_cr_in_index(const char *path) return has_cr; } +static int will_convert_lf_to_crlf(size_t len, struct text_stat *stats, + enum crlf_action crlf_action) +{ + if (output_eol(crlf_action) != EOL_CRLF) + return 0; + /* No "naked" LF? Nothing to convert, regardless. */ + if (!stats->lonelf) + return 0; + + if (crlf_action == CRLF_AUTO || crlf_action == CRLF_AUTO_INPUT || crlf_action == CRLF_AUTO_CRLF) { + /* If we have any CR or CRLF line endings, we do not touch it */ + /* This is the new safer autocrlf-handling */ + if (stats->lonecr || stats->crlf) + return 0; + + if (convert_is_binary(len, stats)) + return 0; + } + return 1; + +} + static int crlf_to_git(const char *path, const char *src, size_t len, struct strbuf *buf, enum crlf_action crlf_action, enum safe_crlf checksafe) { struct text_stat stats; char *dst; + int convert_crlf_into_lf; if (crlf_action == CRLF_BINARY || (src && !len)) @@ -250,25 +267,37 @@ static int crlf_to_git(const char *path, const char *src, size_t len, return 1; gather_stats(src, len, &stats); + /* Optimization: No CRLF? Nothing to convert, regardless. */ + convert_crlf_into_lf = !!stats.crlf; if (crlf_action == CRLF_AUTO || crlf_action == CRLF_AUTO_INPUT || crlf_action == CRLF_AUTO_CRLF) { if (convert_is_binary(len, &stats)) return 0; - - if (crlf_action == CRLF_AUTO_INPUT || crlf_action == CRLF_AUTO_CRLF) { - /* - * If the file in the index has any CR in it, do not convert. - * This is the new safer autocrlf handling. - */ - if (has_cr_in_index(path)) - return 0; + /* + * If the file in the index has any CR in it, do not convert. + * This is the new safer autocrlf handling. + */ + if (checksafe == SAFE_CRLF_RENORMALIZE) + checksafe = SAFE_CRLF_FALSE; + else if (has_cr_in_index(path)) + convert_crlf_into_lf = 0; + } + if (checksafe && len) { + struct text_stat new_stats; + memcpy(&new_stats, &stats, sizeof(new_stats)); + /* simulate "git add" */ + if (convert_crlf_into_lf) { + new_stats.lonelf += new_stats.crlf; + new_stats.crlf = 0; + } + /* simulate "git checkout" */ + if (will_convert_lf_to_crlf(len, &new_stats, crlf_action)) { + new_stats.crlf += new_stats.lonelf; + new_stats.lonelf = 0; } + check_safe_crlf(path, crlf_action, &stats, &new_stats, checksafe); } - - check_safe_crlf(path, crlf_action, &stats, checksafe); - - /* Optimization: No CRLF? Nothing to convert, regardless. */ - if (!stats.crlf) + if (!convert_crlf_into_lf) return 0; /* @@ -314,23 +343,9 @@ static int crlf_to_worktree(const char *path, const char *src, size_t len, return 0; gather_stats(src, len, &stats); - - /* No "naked" LF? Nothing to convert, regardless. */ - if (!stats.lonelf) + if (!will_convert_lf_to_crlf(len, &stats, crlf_action)) return 0; - if (crlf_action == CRLF_AUTO || crlf_action == CRLF_AUTO_INPUT || crlf_action == CRLF_AUTO_CRLF) { - if (crlf_action == CRLF_AUTO_INPUT || crlf_action == CRLF_AUTO_CRLF) { - /* If we have any CR or CRLF line endings, we do not touch it */ - /* This is the new safer autocrlf-handling */ - if (stats.lonecr || stats.crlf ) - return 0; - } - - if (convert_is_binary(len, &stats)) - return 0; - } - /* are we "faking" in place editing ? */ if (src == buf->buf) to_free = strbuf_detach(buf, NULL); @@ -786,7 +801,11 @@ static void convert_attrs(struct conv_attrs *ca, const char *path) ca->drv = git_path_check_convert(ccheck + 2); if (ca->crlf_action != CRLF_BINARY) { enum eol eol_attr = git_path_check_eol(ccheck + 3); - if (eol_attr == EOL_LF) + if (ca->crlf_action == CRLF_AUTO && eol_attr == EOL_LF) + ca->crlf_action = CRLF_AUTO_INPUT; + else if (ca->crlf_action == CRLF_AUTO && eol_attr == EOL_CRLF) + ca->crlf_action = CRLF_AUTO_CRLF; + else if (eol_attr == EOL_LF) ca->crlf_action = CRLF_TEXT_INPUT; else if (eol_attr == EOL_CRLF) ca->crlf_action = CRLF_TEXT_CRLF; @@ -845,9 +864,9 @@ const char *get_convert_attr_ascii(const char *path) case CRLF_AUTO: return "text=auto"; case CRLF_AUTO_CRLF: - return "text=auto eol=crlf"; /* This is not supported yet */ + return "text=auto eol=crlf"; case CRLF_AUTO_INPUT: - return "text=auto eol=lf"; /* This is not supported yet */ + return "text=auto eol=lf"; } return ""; } @@ -949,7 +968,7 @@ int renormalize_buffer(const char *path, const char *src, size_t len, struct str src = dst->buf; len = dst->len; } - return ret | convert_to_git(path, src, len, dst, SAFE_CRLF_FALSE); + return ret | convert_to_git(path, src, len, dst, SAFE_CRLF_RENORMALIZE); } /***************************************************************** @@ -1380,27 +1399,22 @@ static struct stream_filter *ident_filter(const unsigned char *sha1) struct stream_filter *get_stream_filter(const char *path, const unsigned char *sha1) { struct conv_attrs ca; - enum crlf_action crlf_action; struct stream_filter *filter = NULL; convert_attrs(&ca, path); - if (ca.drv && (ca.drv->smudge || ca.drv->clean)) - return filter; + return NULL; + + if (ca.crlf_action == CRLF_AUTO || ca.crlf_action == CRLF_AUTO_CRLF) + return NULL; if (ca.ident) filter = ident_filter(sha1); - crlf_action = ca.crlf_action; - - if ((crlf_action == CRLF_BINARY) || - crlf_action == CRLF_AUTO_INPUT || - (crlf_action == CRLF_TEXT_INPUT)) - filter = cascade_filter(filter, &null_filter_singleton); - - else if (output_eol(crlf_action) == EOL_CRLF && - !(crlf_action == CRLF_AUTO || crlf_action == CRLF_AUTO_CRLF)) + if (output_eol(ca.crlf_action) == EOL_CRLF) filter = cascade_filter(filter, lf_to_crlf_filter()); + else + filter = cascade_filter(filter, &null_filter_singleton); return filter; } |