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author | ShizZy <shizzy@6bit.net> | 2013-09-13 23:46:27 +0200 |
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committer | ShizZy <shizzy@6bit.net> | 2013-09-13 23:46:27 +0200 |
commit | 9709dd2def24260ec2ea4fdc16e3a78fa206bbb9 (patch) | |
tree | 0bd5ba71df0a211cf17a8e46d882094ff704c15e /src/common/scm_rev_gen.js | |
parent | renamed AkiruBinDir to EmuBinDir (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/common/scm_rev_gen.js | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/common/scm_rev_gen.js b/src/common/scm_rev_gen.js new file mode 100644 index 000000000..e3ca5e67b --- /dev/null +++ b/src/common/scm_rev_gen.js @@ -0,0 +1,80 @@ +var wshShell = new ActiveXObject("WScript.Shell") +var oFS = new ActiveXObject("Scripting.FileSystemObject"); + +var outfile = "./src/scm_rev.h"; +var cmd_revision = " rev-parse HEAD"; +var cmd_describe = " describe --always --long --dirty"; +var cmd_branch = " rev-parse --abbrev-ref HEAD"; + +function GetGitExe() +{ + for (var gitexe in {"git.cmd":1, "git":1}) + { + try + { + wshShell.Exec(gitexe); + return gitexe; + } + catch (e) + {} + } + + WScript.Echo("Cannot find git or git.cmd, check your PATH:\n" + + wshShell.ExpandEnvironmentStrings("%PATH%")); + WScript.Quit(1); +} + +function GetFirstStdOutLine(cmd) +{ + try + { + return wshShell.Exec(cmd).StdOut.ReadLine(); + } + catch (e) + { + // catch "the system cannot find the file specified" error + WScript.Echo("Failed to exec " + cmd + " this should never happen"); + WScript.Quit(1); + } +} + +function GetFileContents(f) +{ + try + { + return oFS.OpenTextFile(f).ReadAll(); + } + catch (e) + { + // file doesn't exist + return ""; + } +} + +// get info from git +var gitexe = GetGitExe(); +var revision = GetFirstStdOutLine(gitexe + cmd_revision); +var describe = GetFirstStdOutLine(gitexe + cmd_describe); +var branch = GetFirstStdOutLine(gitexe + cmd_branch); +var isMaster = +("master" == branch); + +// remove hash (and trailing "-0" if needed) from description +describe = describe.replace(/(-0)?-[^-]+(-dirty)?$/, '$2'); + +var out_contents = + "#define SCM_REV_STR \"" + revision + "\"\n" + + "#define SCM_DESC_STR \"" + describe + "\"\n" + + "#define SCM_BRANCH_STR \"" + branch + "\"\n" + + "#define SCM_IS_MASTER " + isMaster + "\n"; + +// check if file needs updating +if (out_contents == GetFileContents(outfile)) +{ + WScript.Echo(outfile + " current at " + describe); +} +else +{ + // needs updating - writeout current info + oFS.CreateTextFile(outfile, true).Write(out_contents); + WScript.Echo(outfile + " updated to " + describe); +} |