Mercurial > hg > pyhgsh

changeset 1514:faf46d810a85

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avoid to copy more than one file to the same destination file
author Robin Farine <robin.farine@terminus.org>
date Tue, 08 Nov 2005 10:35:13 -0800
parents 5c3b93b244aa
children 3bd6d27cb81c
files mercurial/commands.py tests/test-rename tests/test-rename.out
diffstat 3 files changed, 26 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/mercurial/commands.py	Tue Nov 08 10:35:09 2005 -0800
+++ b/mercurial/commands.py	Tue Nov 08 10:35:13 2005 -0800
@@ -790,6 +790,7 @@
     cwd = repo.getcwd()
     errors = 0
     copied = []
+    targets = {}
 
     def okaytocopy(abs, rel, exact):
         reasons = {'?': _('is not managed'),
@@ -803,7 +804,12 @@
     def copy(abssrc, relsrc, target, exact):
         abstarget = util.canonpath(repo.root, cwd, target)
         reltarget = util.pathto(cwd, abstarget)
-        if os.path.exists(reltarget):
+        prevsrc = targets.get(abstarget)
+        if prevsrc is not None:
+            ui.warn(_('%s: not overwriting - %s collides with %s\n') %
+                    (reltarget, abssrc, prevsrc))
+            return
+        elif os.path.exists(reltarget):
             if opts['force']:
                 os.unlink(reltarget)
             else:
@@ -829,6 +835,7 @@
                             (relsrc, inst.strerror))
                     errors += 1
                     return
+        targets[abstarget] = abssrc
         repo.copy(abssrc, abstarget)
         copied.append((abssrc, relsrc, exact))
 
--- a/tests/test-rename	Tue Nov 08 10:35:09 2005 -0800
+++ b/tests/test-rename	Tue Nov 08 10:35:13 2005 -0800
@@ -76,3 +76,9 @@
 hg rename --force d1/ba d1/ca
 hg status
 hg update -C
+
+echo "# do not copy more than one source file to the same destination file"
+mkdir d3
+hg rename d1/* d2/* d3
+hg status
+hg update -C
--- a/tests/test-rename.out	Tue Nov 08 10:35:09 2005 -0800
+++ b/tests/test-rename.out	Tue Nov 08 10:35:13 2005 -0800
@@ -101,3 +101,15 @@
 # replace a symlink with a file
 A d1/ca
 R d1/ba
+# do not copy more than one source file to the same destination file
+copying d1/d11/a1 to d3/d11/a1
+d3/b: not overwriting - d2/b collides with d1/b
+removing d1/d11/a1
+A d3/a
+A d3/b
+A d3/ba
+A d3/d11/a1
+R d1/a
+R d1/b
+R d1/ba
+R d1/d11/a1