diff options
| -rw-r--r-- | Documentation/gitattributes.txt | 5 | ||||
| -rw-r--r-- | builtin-archive.c | 52 | ||||
| -rwxr-xr-x | t/t5000-tar-tree.sh | 4 |
3 files changed, 53 insertions, 8 deletions
diff --git a/Documentation/gitattributes.txt b/Documentation/gitattributes.txt index 47a621b733..37b3be8b72 100644 --- a/Documentation/gitattributes.txt +++ b/Documentation/gitattributes.txt @@ -432,7 +432,10 @@ several placeholders when adding this file to an archive. The expansion depends on the availability of a commit ID, i.e. if gitlink:git-archive[1] has been given a tree instead of a commit or a tag then no replacement will be done. The placeholders are the same -as those for the option `--pretty=format:` of gitlink:git-log[1]. +as those for the option `--pretty=format:` of gitlink:git-log[1], +except that they need to be wrapped like this: `$Format:PLACEHOLDERS$` +in the file. E.g. the string `$Format:%H$` will be replaced by the +commit hash. GIT diff --git a/builtin-archive.c b/builtin-archive.c index faccce302a..65bf9cbec1 100644 --- a/builtin-archive.c +++ b/builtin-archive.c @@ -81,14 +81,58 @@ static int run_remote_archiver(const char *remote, int argc, return !!rv; } +static void *format_specfile(const struct commit *commit, const char *format, + unsigned long *sizep) +{ + unsigned long len = *sizep, result_len = 0; + const char *a = format; + char *result = NULL; + + for (;;) { + const char *b, *c; + char *fmt, *formatted = NULL; + unsigned long a_len, fmt_len, formatted_len, allocated = 0; + + b = memmem(a, len, "$Format:", 8); + if (!b || a + len < b + 9) + break; + c = memchr(b + 8, '$', len - 8); + if (!c) + break; + + a_len = b - a; + fmt_len = c - b - 8; + fmt = xmalloc(fmt_len + 1); + memcpy(fmt, b + 8, fmt_len); + fmt[fmt_len] = '\0'; + + formatted_len = format_commit_message(commit, fmt, &formatted, + &allocated); + result = xrealloc(result, result_len + a_len + formatted_len); + memcpy(result + result_len, a, a_len); + memcpy(result + result_len + a_len, formatted, formatted_len); + result_len += a_len + formatted_len; + len -= c + 1 - a; + a = c + 1; + } + + if (result && len) { + result = xrealloc(result, result_len + len); + memcpy(result + result_len, a, len); + result_len += len; + } + + *sizep = result_len; + + return result; +} + static void *convert_to_archive(const char *path, const void *src, unsigned long *sizep, const struct commit *commit) { static struct git_attr *attr_specfile; struct git_attr_check check[1]; - char *interpolated = NULL; - unsigned long allocated = 0; if (!commit) return NULL; @@ -102,9 +146,7 @@ static void *convert_to_archive(const char *path, if (!ATTR_TRUE(check[0].value)) return NULL; - *sizep = format_commit_message(commit, src, &interpolated, &allocated); - - return interpolated; + return format_specfile(commit, src, sizep); } void *sha1_file_to_archive(const char *path, const unsigned char *sha1, diff --git a/t/t5000-tar-tree.sh b/t/t5000-tar-tree.sh index 3d5d01be78..6e89e07272 100755 --- a/t/t5000-tar-tree.sh +++ b/t/t5000-tar-tree.sh @@ -36,7 +36,7 @@ test_expect_success \ echo simple textfile >a/a && mkdir a/bin && cp /bin/sh a/bin && - printf "%s" "$SPECFILEFORMAT" >a/specfile && + printf "A\$Format:%s\$O" "$SPECFILEFORMAT" >a/specfile && ln -s a a/l1 && (p=long_path_to_a_file && cd a && for depth in 1 2 3 4 5; do mkdir $p && cd $p; done && @@ -119,7 +119,7 @@ test_expect_success \ test_expect_success \ 'validate specfile contents' \ - 'git log --max-count=1 "--pretty=format:$SPECFILEFORMAT" HEAD \ + 'git log --max-count=1 "--pretty=format:A${SPECFILEFORMAT}O" HEAD \ >f/a/specfile.expected && diff f/a/specfile.expected f/a/specfile' |