diff options
| author | Marcin Slusarz <marcin.slusarz@gmail.com> | 2011-05-05 22:37:21 +0200 |
|---|---|---|
| committer | Ian Romanick <ian.d.romanick@intel.com> | 2011-05-05 13:49:15 -0700 |
| commit | 02a6c9428d2ebb0ba121533f6bd7a0f2fe58c615 (patch) | |
| tree | ca31f88ab222f46d39c99abd140d6158d808fca7 /bin | |
| parent | f60235e73a5260f92630ce472e06d8c5c00414fb (diff) | |
mesa: don't touch git_sha1.h if sha1 didn't change
Reviewed-by: Dan Nicholson <dbn.lists@gmail.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Diffstat (limited to 'bin')
| -rwxr-xr-x | bin/extract_git_sha1 | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/bin/extract_git_sha1 b/bin/extract_git_sha1 index e6e6731a36..5e635d4b74 100755 --- a/bin/extract_git_sha1 +++ b/bin/extract_git_sha1 @@ -1,10 +1,16 @@ #!/bin/sh -touch src/mesa/main/git_sha1.h +if [ ! -f src/mesa/main/git_sha1.h ]; then + touch src/mesa/main/git_sha1.h +fi + if which git > /dev/null; then # Extract the 7-digit "short" SHA1 for the current HEAD, convert # it to a string, and wrap it in a #define. This is used in # src/mesa/main/version.c to put the GIT SHA1 in the GL_VERSION string. git log -n 1 --oneline |\ sed 's/^\([^ ]*\) .*/#define MESA_GIT_SHA1 "git-\1"/' \ - > src/mesa/main/git_sha1.h + > src/mesa/main/git_sha1.h.tmp + if ! cmp -s src/mesa/main/git_sha1.h.tmp src/mesa/main/git_sha1.h; then + mv src/mesa/main/git_sha1.h.tmp src/mesa/main/git_sha1.h + fi fi |