diff options
Diffstat (limited to 'src/refspec.c')
| -rw-r--r-- | src/refspec.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/refspec.c b/src/refspec.c index 38cbb05ee..8500e07ea 100644 --- a/src/refspec.c +++ b/src/refspec.c @@ -23,6 +23,8 @@ * Boston, MA 02110-1301, USA. */ +#include "git2/errors.h" + #include "common.h" #include "refspec.h" #include "util.h" @@ -70,3 +72,37 @@ int git_refspec_src_match(const git_refspec *refspec, const char *refname) { return git__fnmatch(refspec->src, refname, 0); } + +int git_refspec_transform(char *out, size_t outlen, const git_refspec *spec, const char *name) +{ + size_t baselen, namelen; + + baselen = strlen(spec->dst); + if (outlen <= baselen) + return git__throw(GIT_EINVALIDREFNAME, "Reference name too long"); + + /* + * No '*' at the end means that it's mapped to one specific local + * branch, so no actual transformation is needed. + */ + if (spec->dst[baselen - 1] != '*') { + memcpy(out, spec->dst, baselen + 1); /* include '\0' */ + return GIT_SUCCESS; + } + + /* There's a '*' at the end, so remove its length */ + baselen--; + + /* skip the prefix, -1 is for the '*' */ + name += strlen(spec->src) - 1; + + namelen = strlen(name); + + if (outlen <= baselen + namelen) + return git__throw(GIT_EINVALIDREFNAME, "Reference name too long"); + + memcpy(out, spec->dst, baselen); + memcpy(out + baselen, name, namelen + 1); + + return GIT_SUCCESS; +} |