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* git log --graph: print '*' for all commits, including mergesAdam Simpkins2008-06-061-14/+0
| | | | | | | | | | | | Previously, merge commits were printed with 'M' instead of '*'. This had the potential to confuse users when not all parents of the merge commit were included in the log output. As Junio has pointed out, merge commits can almost always be easily identified from the log message, anyway. Signed-off-by: Adam Simpkins <adam@adamsimpkins.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* graph API: fix "git log --graph --first-parent"Adam Simpkins2008-06-061-11/+53
| | | | | | | | | | | | | | | | This change teaches the graph API that only the first parent of each commit is interesting when "--first-parent" was specified. This change also consolidates the graph parent walking logic into two new internal functions, first_interesting_parent() and next_interesting_parent(). A simpler fix would have been to simply break at the end of the 2 existing for loops when graph->revs->first_parent_only is set. However, this change seems nicer, especially if we ever need to add any new loops over the parent list in the future. Signed-off-by: Adam Simpkins <adam@adamsimpkins.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* graph API: avoid printing unnecessary padding before some octopus mergesAdam Simpkins2008-06-011-5/+8
| | | | | | | | | | | | | | | | | | | | | When an octopus merge is printed, several lines are printed before it to move over existing branch lines to its right. This is needed to make room for the children of the octopus merge. For example: | | | | | | \ \ | | \ \ | | \ \ | M---. \ \ | |\ \ \ \ \ However, this step isn't necessary if there are no branch lines to the right of the octopus merge. Therefore, skip this step when it is not needed, to avoid printing extra lines that don't really serve any purpose. Signed-off-by: Adam Simpkins <adam@adamsimpkins.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* graph API: improve display of merge commitsAdam Simpkins2008-06-011-17/+93
| | | | | | | | | | | | | | | | | | | | | | | | | | | This change improves the way merge commits are displayed, to eliminate a few visual artifacts. Previously, merge commits were displayed as: | M \ | |\ | As pointed out by Teemu Likonen, this didn't look nice if the rightmost branch line was displayed as '\' on the previous line, as it then appeared to have an extra space in it: | |\ | M \ | |\ | This change updates the code so that branch lines to the right of merge commits are printed slightly differently depending on how the previous line was displayed: | |\ | | | | | / | M \ | M | | M | | |\ \ | |\ \ | |\ \ Signed-off-by: Adam Simpkins <adam@adamsimpkins.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* get_revision(): honor the topo_order flag for boundary commitsAdam Simpkins2008-05-251-8/+1
| | | | | | | | | Now get_revision() sorts the boundary commits when topo_order is set. Since sort_in_topological_order() takes a struct commit_list, it first places the boundary commits into revs->commits. Signed-off-by: Adam Simpkins <adam@adamsimpkins.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Fix output of "git log --graph --boundary"Adam Simpkins2008-05-251-13/+66
| | | | | | | | | | | | | | | | Previously the graphing API wasn't aware of the revs->boundary flag, and it always assumed that commits marked UNINTERESTING would not be displayed. As a result, the boundary commits were printed at the end of the log output, but they didn't have any branch lines connecting them to their children in the graph. There was also another bug in the get_revision() code that caused graph_update() to be called twice on the first boundary commit. This caused the graph API to think that a commit had been skipped, and print a "..." line in the output. Signed-off-by: Adam Simpkins <adam@adamsimpkins.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* log --graph --left-right: show left/right information in place of '*'Adam Simpkins2008-05-251-11/+11
| | | | | | | | | | | | | | | | | With the --graph option, the graph already outputs 'o' instead of '*' for boundary commits. Make it emit '<' or '>' when --left-right is specified. (This change also disables the '^' prefix for UNINTERESTING commits. The graph code currently doesn't print anything special for these commits, since it assumes no UNINTERESTING, non-BOUNDARY commits are displayed. This is potentially a bug if UNINTERESTING non-BOUNDARY commits can actually be displayed via some code path.) [jc: squashed the left-right change from Dscho and Adam's fixup into one] Signed-off-by: Adam Simpkins <adam@adamsimpkins.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* graph API: don't print branch lines for uninteresting merge parentsAdam Simpkins2008-05-251-13/+44
| | | | | | | | | | | | | | | | | | | | | Previously, the graphing code printed lines coming out of a merge commit for all of its parents, even if some of them were uninteresting. Now it only prints lines for interesting commits. For example, for a merge commit where only the first parent is interesting, the code now prints: * merge commit * interesting child instead of: M merge commit |\ * interesting child Signed-off-by: Adam Simpkins <adam@adamsimpkins.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* graph API: fix graph mis-alignment after uninteresting commitsAdam Simpkins2008-05-251-0/+3
| | | | | | | | | | | | | | | | | | | | | | The graphing code had a bug that caused it to output branch lines incorrectly after ignoring an uninteresting commit. When computing how to match up the branch lines from the current commit to the next one, it forgot to take into account that it needed to initially start with 2 empty spaces where the missing commit would have gone. So, instead of drawing this, | * | <- Commit with uninteresting parent | / * | It used to incorrectly draw this: | * | <- Commit with uninteresting parent * | Signed-off-by: Adam Simpkins <adam@adamsimpkins.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* graph API: eliminate unnecessary indentationAdam Simpkins2008-05-051-14/+52
| | | | | | | | | | This change improves the calculation of the amount of horizontal padding, so that there is always exactly 1 space of padding. Previously, most commits had 3 spaces of padding, but commits that didn't have any children in the graph had only 1 space of padding. Signed-off-by: Adam Simpkins <adam@adamsimpkins.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
* Add history graph APIAdam Simpkins2008-05-051-0/+907
This new API allows the commit history to be displayed as a text-based graphical representation. Signed-off-by: Adam Simpkins <adam@adamsimpkins.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>