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author | Josh Stone <jistone@redhat.com> | 2009-03-25 17:25:06 -0700 |
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committer | Josh Stone <jistone@redhat.com> | 2009-03-25 17:40:26 -0700 |
commit | a5e8d632f443c6a882dcabc669236dc4798b1fd7 (patch) | |
tree | 9157ba6a3f5a4daeffdf40b8eca07a75a6476195 /util.cxx | |
parent | 2a8c27f6bfdf2e7962def6fc8729ebb5fb54c701 (diff) | |
download | systemtap-steved-a5e8d632f443c6a882dcabc669236dc4798b1fd7.tar.gz systemtap-steved-a5e8d632f443c6a882dcabc669236dc4798b1fd7.tar.xz systemtap-steved-a5e8d632f443c6a882dcabc669236dc4798b1fd7.zip |
Add the kernel tree's git revision to the hash
To better support kernel developers who work out of a single source
tree, this adds the git HEAD revision to our caching hash.
Diffstat (limited to 'util.cxx')
-rw-r--r-- | util.cxx | 27 |
1 files changed, 27 insertions, 0 deletions
@@ -248,4 +248,31 @@ const string cmdstr_quoted(const string& cmd) return quoted_cmd; } + +string +git_revision(const string& path) +{ + string revision = "(not-a-git-repository)"; + string git_dir = path + "/.git/"; + + struct stat st; + if (stat(git_dir.c_str(), &st) == 0) + { + string command = "git --git-dir=\"" + git_dir + + "\" rev-parse HEAD 2>/dev/null"; + + char buf[50]; + FILE *fp = popen(command.c_str(), "r"); + if (fp != NULL) + { + char *bufp = fgets(buf, sizeof(buf), fp); + int rc = pclose(fp); + if (bufp != NULL && rc == 0) + revision = buf; + } + } + + return revision; +} + /* vim: set sw=2 ts=8 cino=>4,n-2,{2,^-2,t0,(0,u0,w1,M1 : */ |