[PATCH] merge-recursive: Improve the error message printed when merge(1) isn't found.

From: Fredrik Kuivinen <freku045@student.liu.se>
Date: Jan 29, 2006, 12:16 UTC
Message-ID: <20060129121608.GC4815@c165.ib.student.liu.se>
In-Reply-To: <20060129120344.GB4815@c165.ib.student.liu.se>

Signed-off-by: Fredrik Kuivinen <freku045@student.liu.se>

---

 git-merge-recursive.py |   15 ++++++++++-----
 1 files changed, 10 insertions(+), 5 deletions(-)

75cd8eff434fd6e9cf7fff98f13a27bfaa1b363b

diff --git a/git-merge-recursive.py b/git-merge-recursive.py
index 56c3641..b17c8e5 100755
--- a/git-merge-recursive.py
+++ b/git-merge-recursive.py
@@ -205,11 +205,16 @@ def mergeFile(oPath, oSha, oMode, aPath,
             orig = runProgram(['git-unpack-file', oSha]).rstrip()
             src1 = runProgram(['git-unpack-file', aSha]).rstrip()
             src2 = runProgram(['git-unpack-file', bSha]).rstrip()
-            [out, code] = runProgram(['merge',
-                                      '-L', branch1Name + '/' + aPath,
-                                      '-L', 'orig/' + oPath,
-                                      '-L', branch2Name + '/' + bPath,
-                                      src1, orig, src2], returnCode=True)
+            try:
+                [out, code] = runProgram(['merge',
+                                          '-L', branch1Name + '/' + aPath,
+                                          '-L', 'orig/' + oPath,
+                                          '-L', branch2Name + '/' + bPath,
+                                          src1, orig, src2], returnCode=True)
+            except ProgramError, e:
+                print >>sys.stderr, e
+                die("Failed to execute 'merge'. merge(1) is used as the "
+                    "file-level merge tool. Is 'merge' in your path?")
 
             sha = runProgram(['git-hash-object', '-t', 'blob', '-w',
                               src1]).rstrip()

-- 
0.99.9k.g3480-dirty