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* contrib/diffall: fix cleanup trap on WindowsTim Henigan2012-03-14
| | | | | | | | | | | | | | | | | | Prior to this commit, the cleanup trap that removes the tmp dir created by the script would fail on Windows. The error was silently ignored by the script. On Windows, a directory cannot be removed while it is the working directory of the process (thanks to Johannes Sixt on the Git list for this info [1]). This commit eliminates the 'cd' into the tmp directory that caused the error. [1]: http://article.gmane.org/gmane.comp.version-control.git/193086 Signed-off-by: Tim Henigan <tim.henigan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* contrib/diffall: eliminate duplicate while loopsTim Henigan2012-03-14
| | | | | | | | There were 3 instances of a 'while read; do' that used identical logic to populate '/tmp/right_dir'. This commit groups them into a single loop. Signed-off-by: Tim Henigan <tim.henigan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* contrib/diffall: eliminate use of tarTim Henigan2012-03-14
| | | | | | | | | The 'tar' utility is not available on all platforms (some only support 'gnutar'). An earlier commit created a work-around for this problem, but a better solution is to eliminate the use of 'tar' completely. Signed-off-by: Tim Henigan <tim.henigan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* contrib/diffall: create tmp dirs without mktempTim Henigan2012-03-14
| | | | | | | | | mktemp is not available on all platforms. Instead of littering the code with a work-around, this commit replaces mktemp with a one-line Perl script. Signed-off-by: Tim Henigan <tim.henigan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* contrib/diffall: comment actual reason for 'cdup'Tim Henigan2012-03-14
| | | | | | | | The comment from an earlier commit did not reflect the actual reason this operation is needed. Signed-off-by: Tim Henigan <tim.henigan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* contrib: add git-diffall scriptTim Henigan2012-02-27
The 'git difftool' allows the user to view diffs using an external tool. It runs a separate instance of the tool for each file in the diff. This makes it tedious to review changes spanning multiple files. The 'git-diffall' script instead prepares temporary directories with the files to be compared and launches a single instance of the external diff tool to view them (i.e. a directory diff). The 'diff.tool' or 'merge.tool' configuration variable is used to specify which external tool is used. Signed-off-by: Tim Henigan <tim.henigan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>