From 8fb867105c63b2c8af588333dadd69ebff3368aa Mon Sep 17 00:00:00 2001
From: Werner Almesberger <werner@almesberger.net>
Date: Sat, 6 Aug 2016 01:18:43 -0300
Subject: [PATCH] eeshow/git-hist.c (vcs_git_get_rev), git-hist.h: revision
 string from history

---
 eeshow/git-hist.c | 9 +++++++++
 eeshow/git-hist.h | 1 +
 2 files changed, 10 insertions(+)

diff --git a/eeshow/git-hist.c b/eeshow/git-hist.c
index 1baca2f..441a15d 100644
--- a/eeshow/git-hist.c
+++ b/eeshow/git-hist.c
@@ -187,6 +187,15 @@ struct hist *vcs_git_hist(const char *path)
 }
 
 
+char *vcs_git_get_rev(struct hist *h)
+{
+	const git_oid *oid = git_commit_id(h->commit);
+	char *s = alloc_size(GIT_OID_HEXSZ + 1);
+
+	return git_oid_tostr(s, GIT_OID_HEXSZ + 1, oid);
+}
+
+
 const char *vcs_git_summary(struct hist *h)
 {
 	const char *summary;
diff --git a/eeshow/git-hist.h b/eeshow/git-hist.h
index 9c394ed..2f89ec5 100644
--- a/eeshow/git-hist.h
+++ b/eeshow/git-hist.h
@@ -33,6 +33,7 @@ struct hist {
 
 bool vcs_git_try(const char *path);
 struct hist *vcs_git_hist(const char *path);
+char *vcs_git_get_rev(struct hist *h);
 const char *vcs_git_summary(struct hist *hist);
 void hist_iterate(struct hist *h, 
     void (*fn)(void *user, struct hist *h), void *user);