threads / patch / 36920

patchgitk: avoid mkdtemp on Windows

Subject: [PATCH] gitk: avoid mkdtemp on Windows

## tl;dr

One message between Jun 15, 2014 and Jun 15, 2014. Diffs are folded; open one to read it.

replies: 0people: 1as markdown or json

David Aguilar· Jun 15, 2014, 22:23 UTC · lore

105b5d3fbb1c00bb0aeaf9d3e0fbe26a7b1993fc introduced a dependency on mkdtemp, which is not available on Windows.

Restore the original temporary directory behavior for Windows so that gitk creates temporary directories in the current repository.

The Unix code path retains new TMPDIR behavior.
Reported-by: Pat Thoyts <patthoyts@users.sourceforge.net>
Helped-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: David Aguilar <davvid@gmail.com>
---
 gitk | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)
Show changes to gitk +14 −7
diff --git a/gitk b/gitk
index 41e5071..66d8c9e 100755
--- a/gitk
+++ b/gitk
@@ -3496,15 +3496,22 @@ proc gitknewtmpdir {} {
     global diffnum gitktmpdir gitdir env
 
     if {![info exists gitktmpdir]} {
-	if {[info exists env(GITK_TMPDIR)]} {
-	    set tmpdir $env(GITK_TMPDIR)
-	} elseif {[info exists env(TMPDIR)]} {
-	    set tmpdir $env(TMPDIR)
+	if {$::tcl_platform(platform) eq {windows}} {
+	    # Windows does not have mkdtemp so use the current directory
+	    # to avoid using an unsafe pattern in a world-writeable
+	    # temporary directory.
+	    set gitktmpdir [file join $gitdir [format ".gitk-tmp.%s" [pid]]]
 	} else {
-	    set tmpdir $gitdir
+	    if {[info exists env(GITK_TMPDIR)]} {
+		set tmpdir $env(GITK_TMPDIR)
+	    } elseif {[info exists env(TMPDIR)]} {
+		set tmpdir $env(TMPDIR)
+	    } else {
+		set tmpdir $gitdir
+	    }
+	    set gitktmpformat [file join $tmpdir ".gitk-tmp.XXXXXX"]
+	    set gitktmpdir [exec mktemp -d $gitktmpformat]
 	}
-	set gitktmpformat [file join $tmpdir ".gitk-tmp.XXXXXX"]
-	set gitktmpdir [exec mktemp -d $gitktmpformat]
 	if {[catch {file mkdir $gitktmpdir} err]} {
 	    error_popup "[mc "Error creating temporary directory %s:" $gitktmpdir] $err"
 	    unset gitktmpdir
-- 
2.0.0.257.g75cc6c6

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