diff options
| -rw-r--r-- | convert.c | 49 | ||||
| -rwxr-xr-x | t/t0020-crlf.sh | 52 |
2 files changed, 101 insertions, 0 deletions
@@ -120,6 +120,43 @@ static void check_safe_crlf(const char *path, int action, } } +static int has_cr_in_index(const char *path) +{ + int pos, len; + unsigned long sz; + enum object_type type; + void *data; + int has_cr; + struct index_state *istate = &the_index; + + len = strlen(path); + pos = index_name_pos(istate, path, len); + if (pos < 0) { + /* + * We might be in the middle of a merge, in which + * case we would read stage #2 (ours). + */ + int i; + for (i = -pos - 1; + (pos < 0 && i < istate->cache_nr && + !strcmp(istate->cache[i]->name, path)); + i++) + if (ce_stage(istate->cache[i]) == 2) + pos = i; + } + if (pos < 0) + return 0; + data = read_sha1_file(istate->cache[pos]->sha1, &type, &sz); + if (!data || type != OBJ_BLOB) { + free(data); + return 0; + } + + has_cr = memchr(data, '\r', sz) != NULL; + free(data); + return has_cr; +} + static int crlf_to_git(const char *path, const char *src, size_t len, struct strbuf *buf, int action, enum safe_crlf checksafe) { @@ -145,6 +182,13 @@ static int crlf_to_git(const char *path, const char *src, size_t len, */ if (is_binary(len, &stats)) return 0; + + /* + * 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; } check_safe_crlf(path, action, &stats, checksafe); @@ -203,6 +247,11 @@ static int crlf_to_worktree(const char *path, const char *src, size_t len, return 0; if (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) + return 0; + /* If we have any bare CR characters, we're not going to touch it */ if (stats.cr != stats.crlf) return 0; diff --git a/t/t0020-crlf.sh b/t/t0020-crlf.sh index c3e7e322a8..234a94f3e6 100755 --- a/t/t0020-crlf.sh +++ b/t/t0020-crlf.sh @@ -453,5 +453,57 @@ test_expect_success 'invalid .gitattributes (must not crash)' ' git diff ' +# Some more tests here to add new autocrlf functionality. +# We want to have a known state here, so start a bit from scratch + +test_expect_success 'setting up for new autocrlf tests' ' + git config core.autocrlf false && + git config core.safecrlf false && + rm -rf .????* * && + for w in I am all LF; do echo $w; done >alllf && + for w in Oh here is CRLFQ in text; do echo $w; done | q_to_cr >mixed && + for w in I am all CRLF; do echo $w; done | append_cr >allcrlf && + git add -A . && + git commit -m "alllf, allcrlf and mixed only" && + git tag -a -m "message" autocrlf-checkpoint +' + +test_expect_success 'report no change after setting autocrlf' ' + git config core.autocrlf true && + touch * && + git diff --exit-code +' + +test_expect_success 'files are clean after checkout' ' + rm * && + git checkout -f && + git diff --exit-code +' + +cr_to_Q_no_NL () { + tr '\015' Q | tr -d '\012' +} + +test_expect_success 'LF only file gets CRLF with autocrlf' ' + test "$(cr_to_Q_no_NL < alllf)" = "IQamQallQLFQ" +' + +test_expect_success 'Mixed file is still mixed with autocrlf' ' + test "$(cr_to_Q_no_NL < mixed)" = "OhhereisCRLFQintext" +' + +test_expect_success 'CRLF only file has CRLF with autocrlf' ' + test "$(cr_to_Q_no_NL < allcrlf)" = "IQamQallQCRLFQ" +' + +test_expect_success 'New CRLF file gets LF in repo' ' + tr -d "\015" < alllf | append_cr > alllf2 && + git add alllf2 && + git commit -m "alllf2 added" && + git config core.autocrlf false && + rm * && + git checkout -f && + test_cmp alllf alllf2 +' test_done |