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author | Lars Schneider <larsxschneider@gmail.com> | 2018-03-15 23:57:45 +0100 |
---|---|---|
committer | Junio C Hamano <gitster@pobox.com> | 2018-03-16 10:41:31 -0700 |
commit | c1b7830e109b2a5a33ad10c9d82d330f9a6a6e17 (patch) | |
tree | 1ec6f25e81cc6b16b3a6b9dc76264b0ca3e53fba | |
parent | ca16fc3635da967b5653eb5b730481e0edf4d536 (diff) | |
download | git-c1b7830e109b2a5a33ad10c9d82d330f9a6a6e17.tar.gz |
convert: add tracing for 'working-tree-encoding' attribute
Add the GIT_TRACE_WORKING_TREE_ENCODING environment variable to enable
tracing for content that is reencoded with the 'working-tree-encoding'
attribute. This is useful to debug encoding issues.
Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
-rw-r--r-- | convert.c | 25 | ||||
-rwxr-xr-x | t/t0028-working-tree-encoding.sh | 2 |
2 files changed, 27 insertions, 0 deletions
@@ -324,6 +324,29 @@ static int validate_encoding(const char *path, const char *enc, return 0; } +static void trace_encoding(const char *context, const char *path, + const char *encoding, const char *buf, size_t len) +{ + static struct trace_key coe = TRACE_KEY_INIT(WORKING_TREE_ENCODING); + struct strbuf trace = STRBUF_INIT; + int i; + + strbuf_addf(&trace, "%s (%s, considered %s):\n", context, path, encoding); + for (i = 0; i < len && buf; ++i) { + strbuf_addf( + &trace,"| \e[2m%2i:\e[0m %2x \e[2m%c\e[0m%c", + i, + (unsigned char) buf[i], + (buf[i] > 32 && buf[i] < 127 ? buf[i] : ' '), + ((i+1) % 8 && (i+1) < len ? ' ' : '\n') + ); + } + strbuf_addchars(&trace, '\n', 1); + + trace_strbuf(&coe, &trace); + strbuf_release(&trace); +} + static const char *default_encoding = "UTF-8"; static int encode_to_git(const char *path, const char *src, size_t src_len, @@ -352,6 +375,7 @@ static int encode_to_git(const char *path, const char *src, size_t src_len, if (validate_encoding(path, enc, src, src_len, die_on_error)) return 0; + trace_encoding("source", path, enc, src, src_len); dst = reencode_string_len(src, src_len, default_encoding, enc, &dst_len); if (!dst) { @@ -369,6 +393,7 @@ static int encode_to_git(const char *path, const char *src, size_t src_len, return 0; } } + trace_encoding("destination", path, default_encoding, dst, dst_len); strbuf_attach(buf, dst, dst_len, dst_len + 1); return 1; diff --git a/t/t0028-working-tree-encoding.sh b/t/t0028-working-tree-encoding.sh index 1bb528b339..2ff7541b34 100755 --- a/t/t0028-working-tree-encoding.sh +++ b/t/t0028-working-tree-encoding.sh @@ -4,6 +4,8 @@ test_description='working-tree-encoding conversion via gitattributes' . ./test-lib.sh +GIT_TRACE_WORKING_TREE_ENCODING=1 && export GIT_TRACE_WORKING_TREE_ENCODING + test_expect_success 'setup test files' ' git config core.eol lf && |