Messages in this thread Patch in this message | | | Date | Sun, 28 Feb 2010 20:22:49 -0800 | From | "Paul E. McKenney" <> | Subject | [PATCH RFC] kconfig: place git SHA1 in .config output if in git tree |
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This patch appends the SHA1 hash of the current git tree to the kernel version line, or "[Not git tree]" if run from a non-git tree. Uses "git log" to print the hash.
Suggested-by: Ingo Molnar <mingo@elte.hu> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> ---
confdata.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c index c4dec80..4bd7842 100644 --- a/scripts/kconfig/confdata.c +++ b/scripts/kconfig/confdata.c @@ -399,10 +399,11 @@ int conf_read(const char *name) int conf_write(const char *name) { FILE *out; + FILE *git; struct symbol *sym; struct menu *menu; const char *basename; - char dirname[128], tmpname[128], newname[128]; + char dirname[128], tmpname[128], newname[128], gitsha[128]; int type, l; const char *str; time_t now; @@ -450,12 +451,20 @@ int conf_write(const char *name) if (env && *env) use_timestamp = 0; + gitsha[0] = '\0'; + git = popen("git log --pretty=format:%h -1 2> /dev/null", "r"); + if (git != NULL) { + fscanf(git, " %127s ", gitsha); + pclose(git); + } + fprintf(out, _("#\n" "# Automatically generated make config: don't edit\n" - "# Linux kernel version: %s\n" + "# Linux kernel version: %s %s\n" "%s%s" "#\n"), sym_get_string_value(sym), + gitsha[0] == '\0' ? "[Not git tree]" : gitsha, use_timestamp ? "# " : "", use_timestamp ? ctime(&now) : "");
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